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Congruence • Les questions classiques en exercice + méthode • terminale S arithmétique • Spé maths
 
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Objectifs: - connaitre les questions classiques qui tombent en exercice et qu'on peut traiter avec les congruences + la méthode pour les traiter. - trouver un reste dans une division euclidienne - montrer que ...est divisible par .... - résoudre des équations avec des entiers http://www.jaicompris.com/lycee/math/arithmetique/congruence-Z.php mathématiques - terminale S - arithmétique - spécialité maths
Views: 53504 jaicompris Maths
Cryptographie - partie 1 : chiffrement de César
 
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Chapitre "Cryptographie" - Partie 1 : Le chiffrement de César Plan : César a dit... ; Des chiffres et des lettres ; Modulo ; Chiffrer et déchiffrer ; Espace des clés et attaque ; Algorithmes Exo7. Cours et exercices de mathématiques pour les étudiants. Retrouvez le polycopié sur http://exo7.emath.fr
Views: 126700 Exo7Math
Exercise 1 Solutions
 
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Views: 5891 SchoolOfEngUoE
Encryption in JavaScript | JavaScript Tutorials | Web Development Tutorials
 
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In this video lesson, you will learn to develop Encryption in JavaScript using CryptoJS library. Donate & Support: https://www.verkkonet.com/downloads/donate.php?id=j32 To download the source code of Encryption in JavaScript: https://verkkonet.com/downloads/index.php?id=j32
Views: 738 VerkkoNet
First Exploit! Buffer Overflow with Shellcode - bin 0x0E
 
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We write our first real exploit to get root access. Solving stack5 from exploit-exercises.com with a simple Buffer Overflow and shellcode. Run into some problems (illegal instruction): https://www.reddit.com/r/LiveOverflow/comments/54o705/found_what_i_think_is_a_slight_problem_in_the/ Stack Level 5: https://exploit.education/protostar/stack-five/ -=[ 🔴 Stuff I use ]=- → Microphone:* https://amzn.to/2LW6ldx → Graphics tablet:* https://amzn.to/2C8djYj → Camera#1 for streaming:* https://amzn.to/2SJ66VM → Lens for streaming:* https://amzn.to/2CdG31I → Connect Camera#1 to PC:* https://amzn.to/2VDRhWj → Camera#2 for electronics:* https://amzn.to/2LWxehv → Lens for macro shots:* https://amzn.to/2C5tXrw → Keyboard:* https://amzn.to/2LZgCFD → Headphones:* https://amzn.to/2M2KhxW -=[ ❤️ Support ]=- → per Video: https://www.patreon.com/join/liveoverflow → per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join -=[ 🐕 Social ]=- → Twitter: https://twitter.com/LiveOverflow/ → Website: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ -=[ 📄 P.S. ]=- All links with "*" are affiliate links. LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm. #BufferOverflow #BinaryExploitation #Shellcode
Views: 84854 LiveOverflow
Méthode de calcul de la complexité d'un algorithme | Rachid Guerraoui
 
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Cette leçon donne une méthode pratique pour déterminer la complexité d'un algorithme. Elle consiste à voir comment l'algorithme évolue en augmentant la taille du paramètre n de l'algorithme. Intervenant: Rachid GUERRAOUI Edition: El Mahdi EL MHAMDI
Views: 125076 Wandida, EPFL
Introduction to Linux - Installation and the Terminal - bin 0x01
 
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Installing Ubuntu Linux in a VM and introduction to the command-line. Ubuntu: http://www.ubuntu.com/download/desktop VMWare Player: https://www.vmware.com/products/player VirtualBox: https://www.virtualbox.org/ Everything is a file: https://en.wikipedia.org/wiki/Everything_is_a_file dotfiles: https://plus.google.com/+RobPikeTheHuman/posts/R58WgWwN9jp -=[ 🔴 Stuff I use ]=- → Microphone:* https://amzn.to/2LW6ldx → Graphics tablet:* https://amzn.to/2C8djYj → Camera#1 for streaming:* https://amzn.to/2SJ66VM → Lens for streaming:* https://amzn.to/2CdG31I → Connect Camera#1 to PC:* https://amzn.to/2VDRhWj → Camera#2 for electronics:* https://amzn.to/2LWxehv → Lens for macro shots:* https://amzn.to/2C5tXrw → Keyboard:* https://amzn.to/2LZgCFD → Headphones:* https://amzn.to/2M2KhxW -=[ ❤️ Support ]=- → per Video: https://www.patreon.com/join/liveoverflow → per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join -=[ 🐕 Social ]=- → Twitter: https://twitter.com/LiveOverflow/ → Website: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ -=[ 📄 P.S. ]=- All links with "*" are affiliate links. LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm.
Views: 87198 LiveOverflow
Hack The Vote 2016 CTF: Sander's Fan Club [web100]
 
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Join the Family: https://discord.gg/Kgtnfw4 Support me on Patreon: https://patreon.com/johnhammond010 Learn to code with a TeamTreehouse Discount: treehouse.7eer.net/1WOz6 E-mail: [email protected] PayPal: http://paypal.me/johnhammond010 GitHub: https://github.com/JohnHammond Site: http://www.johnhammond.org Twitter: https://twitter.com/_johnhammond
Views: 1403 John Hammond
Brute-Force Attack | "Python Reversing" TJCTF 2018
 
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Join the Family: https://discord.gg/Kgtnfw4 Support me on Patreon: https://patreon.com/johnhammond010 Learn to code with a TeamTreehouse Discount: treehouse.7eer.net/1WOz6 E-mail: [email protected] PayPal: http://paypal.me/johnhammond010 GitHub: https://github.com/JohnHammond Site: http://www.johnhammond.org Twitter: https://twitter.com/_johnhammond
Views: 951 John Hammond
What is CTF? An introduction to security Capture The Flag competitions
 
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CTFs are one of the best ways to get into hacking. They require a lot of work and dedication, but are highly rewarding and teach you a lot. Here is a quick introduction on how to get started with CTFs. CTFtime: https://ctftime.org/ -=[ 🔴 Stuff I use ]=- → Microphone:* https://amzn.to/2LW6ldx → Graphics tablet:* https://amzn.to/2C8djYj → Camera#1 for streaming:* https://amzn.to/2SJ66VM → Lens for streaming:* https://amzn.to/2CdG31I → Connect Camera#1 to PC:* https://amzn.to/2VDRhWj → Camera#2 for electronics:* https://amzn.to/2LWxehv → Lens for macro shots:* https://amzn.to/2C5tXrw → Keyboard:* https://amzn.to/2LZgCFD → Headphones:* https://amzn.to/2M2KhxW -=[ ❤️ Support ]=- → per Video: https://www.patreon.com/join/liveoverflow → per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join -=[ 🐕 Social ]=- → Twitter: https://twitter.com/LiveOverflow/ → Website: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ -=[ 📄 P.S. ]=- All links with "*" are affiliate links. LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm. #CTF
Views: 116341 LiveOverflow
Java prog#129. How to encrypt and decrypt data in Java Part 1
 
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------------------Online Courses to learn---------------------------- Java - https://bit.ly/2H6wqXk C++ - https://bit.ly/2q8VWl1 AngularJS - https://bit.ly/2qebsLu Python - https://bit.ly/2Eq0VSt C- https://bit.ly/2HfZ6L8 Android - https://bit.ly/2qaRSAS Linux - https://bit.ly/2IwOuqz AWS Certified Solutions Architect - https://bit.ly/2JrGoAF Modern React with Redux - https://bit.ly/2H6wDtA MySQL - https://bit.ly/2qcF63Z ----------------------Follow--------------------------------------------- My Website - http://www.codebind.com My Blog - https://goo.gl/Nd2pFn My Facebook Page - https://goo.gl/eLp2cQ Google+ - https://goo.gl/lvC5FX Twitter - https://twitter.com/ProgrammingKnow Pinterest - https://goo.gl/kCInUp Text Case Converter - https://goo.gl/pVpcwL -------------------------Stuff I use to make videos ------------------- Stuff I use to make videos Windows notebook – http://amzn.to/2zcXPyF Apple MacBook Pro – http://amzn.to/2BTJBZ7 Ubuntu notebook - https://amzn.to/2GE4giY Desktop - http://amzn.to/2zct252 Microphone – http://amzn.to/2zcYbW1 notebook mouse – http://amzn.to/2BVs4Q3 ------------------Facebook Links ---------------------------------------- http://fb.me/ProgrammingKnowledgeLearning/ http://fb.me/AndroidTutorialsForBeginners http://fb.me/Programmingknowledge http://fb.me/CppProgrammingLanguage http://fb.me/JavaTutorialsAndCode http://fb.me/SQLiteTutorial http://fb.me/UbuntuLinuxTutorials http://fb.me/EasyOnlineConverter Password Encryption.java JAVA ENCRYPTION/DECRYPTION PROGRAM HELP Encrypting and Decrypting Java Cryptography using Java in Netbeans IDE Cryptography using Java in Netbeans IDE Java Cryptography APIs Cryptography Encrypting and Decrypting a text file in java
Views: 99919 ProgrammingKnowledge
PRIME NUMBER EXERCISES
 
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International Class 2018 Semarang State University
Voting - Applied Cryptography
 
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This video is part of an online course, Applied Cryptography. Check out the course here: https://www.udacity.com/course/cs387.
Views: 233 Udacity
Ever wonder how Bitcoin (and other cryptocurrencies) actually work?
 
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Bitcoin explained from the viewpoint of inventing your own cryptocurrency. Videos like these made possible by patreon: https://patreon.com/3blue1brown Protocol Labs: https://protocol.ai/ Interested in contributing? https://protocol.ai/join/ Special thanks to the following patrons: http://3b1b.co/btc-thanks Some people have asked if this channel accepts contributions in cryptocurrency form as an alternative to Patreon. As you might guess, the answer is yes :). Here are the relevant addresses: ETH: 0x88Fd7a2e9e0E616a5610B8BE5d5090DC6Bd55c25 BTC: 1DV4dhXEVhGELmDnRppADyMcyZgGHnCNJ BCH: qrr82t07zzq5uqgek422s8wwf953jj25c53lqctlnw LTC: LNPY2HEWv8igGckwKrYPbh9yD28XH3sm32 Supplement video: https://youtu.be/S9JGmA5_unY Music by Vincent Rubinetti: https://soundcloud.com/vincerubinetti/heartbeat Here are a few other resources I'd recommend: Original Bitcoin paper: https://bitcoin.org/bitcoin.pdf Block explorer: https://blockexplorer.com/ Blog post by Michael Nielsen: https://goo.gl/BW1RV3 (This is particularly good for understanding the details of what transactions look like, which is something this video did not cover) Video by CuriousInventor: https://youtu.be/Lx9zgZCMqXE Video by Anders Brownworth: https://youtu.be/_160oMzblY8 Ethereum white paper: https://goo.gl/XXZddT If you want to contribute translated subtitles or to help review those that have already been made by others and need approval, you can click the gear icon in the video and go to subtitles/cc, then "add subtitles/cc". I really appreciate those who do this, as it helps make the lessons accessible to more people. Music by Vince Rubinetti: https://vincerubinetti.bandcamp.com/album/the-music-of-3blue1brown ------------------ 3blue1brown is a channel about animating math, in all senses of the word animate. And you know the drill with YouTube, if you want to stay posted on new videos, subscribe, and click the bell to receive notifications (if you're into that). If you are new to this channel and want to see more, a good place to start is this playlist: http://3b1b.co/recommended Various social media stuffs: Website: https://www.3blue1brown.com Twitter: https://twitter.com/3Blue1Brown Patreon: https://patreon.com/3blue1brown Facebook: https://www.facebook.com/3blue1brown Reddit: https://www.reddit.com/r/3Blue1Brown
Views: 2435029 3Blue1Brown
The Secret step-by-step Guide to learn Hacking
 
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totally clickbait. but also not clickbait. I don't know where to start hacking, there is no guide to learn this stuff. But I hope you still have a plan now! How to learn hacking - https://www.youtube.com/watch?v=iKXd9zW1OuI The ultimate guide, everything you need to know - https://google.com Stuff that looks cool: crypto challenges - https://cryptopals.com/ wargames - https://overthewire.org other exploit challenges - http://pwnable.kr/ basics of exploitation (+ my playlists) - https://exploit-exercises.com/protostar/ math puzzles with programming - https://projecteuler.net break ethereum smart contracts - https://ethernaut.zeppelin.solutions/ Try something new: create an android app - https://developer.android.com/training/basics/firstapp/index.html create a website with python - http://flask.pocoo.org/ do some nice animations - https://processing.org/tutorials/ make some LEDs blink - https://www.arduino.cc/en/Guide/HomePage Other Channels: GynvaelEN - https://www.youtube.com/channel/UCCkVMojdBWS-JtH7TliWkVg MurmusCTF - https://www.youtube.com/channel/UCUB9vOGEUpw7IKJRoR4PK-A MalwareAnalysisForHedgehogs - https://www.youtube.com/channel/UCVFXrUwuWxNlm6UNZtBLJ-A hasherezade - https://www.youtube.com/channel/UCNWVswPNgn5kutPNa5sprkg IppSec - https://www.youtube.com/channel/UCa6eh7gCkpPo5XXUDfygQQA John Hammond - https://www.youtube.com/user/RootOfTheNull -=[ 🔴 Stuff I use ]=- → Microphone:* https://amzn.to/2LW6ldx → Graphics tablet:* https://amzn.to/2C8djYj → Camera#1 for streaming:* https://amzn.to/2SJ66VM → Lens for streaming:* https://amzn.to/2CdG31I → Connect Camera#1 to PC:* https://amzn.to/2VDRhWj → Camera#2 for electronics:* https://amzn.to/2LWxehv → Lens for macro shots:* https://amzn.to/2C5tXrw → Keyboard:* https://amzn.to/2LZgCFD → Headphones:* https://amzn.to/2M2KhxW -=[ ❤️ Support ]=- → per Video: https://www.patreon.com/join/liveoverflow → per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join -=[ 🐕 Social ]=- → Twitter: https://twitter.com/LiveOverflow/ → Website: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ -=[ 📄 P.S. ]=- All links with "*" are affiliate links. LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm.
Views: 576377 LiveOverflow
SQLi to shell to binded port
 
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https://pentesterlab.com/from_sqli_to_shell.html
Views: 15193 TheFailCollective
Efficient, Secrecy-Preserving, Provably Correct Computation (and Some Cool Ap...
 
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Google Tech Talks July, 21 2008 ABSTRACT Cryptography is now much more than keeping credit card numbers safe from packet sniffers and laptop thieves. We combine several advances in cryptography theory to construct a model of computation in which a third party securely performs computations for a set of parties who do not trust one another. These parties encrypt their inputs to a computation, then circulate the encrypted values. Our third party decrypts them, performs the computation and then issues correctness proofs of the results: we cryptographically "tie its hands" to do the right thing. In addition to this model of provably correct computation, we will discuss other techniques to control the information flow of secret data to and from the party, so even the third party cannot profitably abuse the secret data before or after it knows it during the computation. Finally, we will illustrate the power of these techniques in e-commerce, and our design decisions, through secure electronic auctions and securities exchanges. Speaker: Dc. Christopher Thorpe Dr. Christopher Thorpe is a computer scientist and entrepreneur who recently completed a Ph.D. in computer science from Harvard, advised by Michael Rabin and David Parkes. Prior to obtaining his Ph.D., he led internationalization at Tellme Networks, after being the internationalization engineer for Yahoo!'s commerce properties and software engineer for Yahoo! Merchant Solutions. Chris joined Yahoo in 1998 when it acquired Viaweb as its Yahoo! Store property; Viaweb was founded by graduate students he knew as an undergraduate at Harvard. He also holds an A.B. from Harvard in Computer Science and Music.
Views: 4932 GoogleTechTalks
NEO DevCon 2019 DAY 2 Live Streaming 2019/02/17
 
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NEO DevCon 2019 DAY 2 Live Streaming 2019/02/17 Timestamps: 14:29 Cryptoeconomics and Data Metrics for the Next Market Cycle - Nolan Bauerle, Director of Research,Coindesk 39:20 NEL - bring NEO One Step Closer to Users - Liu Yongxin, Founder, NEL and NNS 50:00 Perspectives on Cryptography, Consensus Mechanisms & High-Performance Computing for NEO 3.0 - Sergei Liubich, Anatoly Bogatyrev --- Break --- 1:35:29 Secure Development in Cryptocurrencies - Fernando Díaz Toledano; Diego Jurado Pallarés 1:49:08 Panel: User Experience and Security Enhancements of NEO Wallets - Merten; Lasky; Knight; DiCarlo 2:11:15 Celer Network: Bring Internet-Scale Adoption to Every Blockchain - Dr. Junda Liu, Co-founder, Celer Network 2:31:56 ONI - A Sharing Infrastructure & Platform - Fu Xiang, Senior System Engineer, Onchain --- Break --- 4:06:58 Distributing Finance for Everyone - Fabio C.Canesin, Co-founder, CoZ and Nash 4:22:16 RegTech for the Smart Economy - Stephen Hyduchak; Alex Guba 4:36:28 The Moonlight Project and Its Future - Alan Fong, Co-Founder, Moonlight.io 4:53:33 Build & Publish Blockchain Game with BlaCat - Sean Chen, Founder, Blacat 5:14:22 Panel: About Blockchain Game - Peterson; Deshpande; Rong; Chen; Rayman 5:34:33 Guardian Circle - Mark Jeffrey, Co-Founder and CEO, Guardian Circle 5:47:10 Owning Your Data - Jonathan Meiri -CEO and Founder, Barrel Protocol --- Break --- 6:20:55 Embrace the New Economy - Joe Zhou, Co-founder, Jarvis+ 6:38:00 Designing a Blockchain-based File Storage System for NEO - Eric Wang, Co-founder, Archon 6:49:55 Stable Coin, an Infrastructure of Blockchain - Chris Qi, CTO, Alchemint 7:17:10 Panel:What You Should Know about STO - Beedham; Myint; Salant; Ng; Tong 7:41:17 How Regtech Prevents Cybercrime with Enhanced Visibility - Alek Tan, CEO, InnoDT Inc. 7:52:27 NEO Health Medical Encyclopedia - Dr. Brad Mattson, Founder, NEO Health For more info, please visit: https://devcon.neo.org/
Views: 6097 NEO Smart Economy
E-Signature Setup for Cash Practice  Software Auto-Debit System Receipts for ChiroTouch Users
 
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Now you can gather your clients' signatures electronically! You can get Electronic Signatures from your clients now! This will work with touch screen monitors, any digital input pen/tablet, or even just your computer mouse! Now your Cash Practice® - ChiroTouch® integration just got even better! Learn more at http://CashPractice.com
Views: 1099 Cash Practice Systems
matrice et évolution • suite • D'après sujet de BAC • spé maths • Terminale S 💡💡💡
 
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Objectifs: - savoir traduire une situation à l'aide de suite et matrice - savoir calculer A^n - savoir étudier U(n+1)=AUn - comportement asymptotique de la suite de matrice: sa limite 💡💡💡: difficulté: normal type BAC http://jaicompris.com/lycee/math/matrice/matrice-suite.php terminale S - exercice type BAC - mathématiques
Views: 6322 jaicompris Maths
Démontrer une congruence - Terminale
 
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Démontrer une congruence. 👍 Site officiel : http://www.maths-et-tiques.fr Twitter : https://twitter.com/mtiques Facebook : https://www.facebook.com/mathsettiques/ Instagram : https://www.instagram.com/yvanmonka/
Views: 34280 Yvan Monka
RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis
 
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RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis by Adi Shamir, Eran Tromer, Daniel Genkin. Talk at Crypto 2014.
Views: 6067 TheIACR
Sécurité informatique : par quoi débuter ? (hacker ?)
 
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Sécurité informatique : par quoi débuter ? Ou comment devenir hacker ( white hat bien entendu ) pour les débutants ! Vidéo de présentation de la base à acquérir pour évoluer dans le domaine de la sécurité informatiques. Voici les liens de la vidéo : 0:44 FONCTIONNEMENT DES RESEAUX TCP/IP ET DES INTERFACES : https://openclassrooms.com/fr/courses/857447-apprenez-le-fonctionnement-des-reseaux-tcp-ip 1:40 CONFIGURATION DES INTERFACES : - routeur : https://www.supinfo.com/articles/single/7855-configurations-basiques-equipements-cisco - switch :https://www.supinfo.com/articles/single/3389-cisco-commandes-utilisable-switch - firewall : https://www.supinfo.com/articles/single/2547-exemple-configuration-principales-fonctionnalites-pfsense 2:20 MAITRISER LINUX: https://youtu.be/vx1aPfyTNA0 -clé bootable : https://doc.ubuntu-fr.org/live_usb - VM : https://youtu.be/HV8bpfQsB6Y - Ligne de commande : https://openclassrooms.com/fr/courses/43538- reprenez-le-controle-a-laide-de-linux https://youtu.be/RFYvEvDzsrs 4:40 LANGAGE DE PROGRAMMATION : -script bash : https://abs.traduc.org/downloadmanuel.html - python : https://openclassrooms.com/fr/courses/235344-apprenez-a-programmer-en-python 5:10 : OUTILS D'ANALYSE RESEAU : - wireshark : http://benhur.teluq.ca/SPIP/inf1165/squelettes/inc/pdf/Guide_Wireshark.pdf - Nmap : https://nmap.org/man/fr/index.html - Metasploit : https://www.amazon.fr/Metasploit-S%C3%A9curit%C3%A9-hacking-guide-pentesteur/dp/2744025976 ( c'est le seul contenu payant mais il est vraiment bien comme livre) 6:20 GNS3 : https://openclassrooms.com/fr/courses/2581701-simulez-des-architectures-reseaux-avec-gns3 7:05 COMMENT S'ENTRAINER : - codingame : https://www.codingame.com/start  - rootme : https://www.root-me.org/  - hacktisite : https://www.root-me.org/  - webgoat : https://code.google.com/p/webgoat/ 8:15 QUELS METIERS : http://www.onisep.fr/Pres-de-chez-vous/Hauts-de-France/Lille/Informations-metiers/Decouvrir-les-secteurs-professionnels/La-cybersecurite Voilà, tu as de quoi travailler pour un petit moment déjà, mais ne te décourage pas ça ne vaut vraiment la peine ! Si tu souhaite apprendre la sécurité informatique tu es sur la bonne vidéo.Si tu le souhaite tu peux t'abonner en vue d'avoir des vidéos et des petits tutoriels pour pouvoir débuter dans ce milieu. RAPPEL : cette chaîne est consacrée à la sécurité informatique et non aux personnes malveillantes. Si tu cherches comment " hacker facebook " ou ses voisins tu n'es pas sur le bon contenu et tu vas grandement t'ennuyer ici.
Views: 262 Grub
Matrix Payment Systems
 
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Save money on B2B credit card processing with Matrix Virtual Terminal, a web based payment gateway for internet sales and phone orders of card swiped and mobile systems. Fast, secure, cost effective control of your processing fees. Commercial grade processing at the lowest interchange rates with allowed secure access. Utilize tracking history, email receipts, contact lists, tracking information and reporting data. A Business to Business streamlined Electronic Bill Presentment and Payment Solution. Learn more at www.Matrix-PS.com or www.MatrixPaymentSystems.com Video by www.StoneCliffProductions.com
Views: 2815 Lambert Smith
Harvard University Commencement 2017 Morning Exercises
 
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The Morning Exercises at Harvard's 366th Commencement at Tercentenary Theatre on May 25, 2017. For more information, visit http://news.harvard.edu/gazette/story/topic/commencement-2017/.
Views: 52717 Harvard University
SSH login without password
 
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ssh login without password This short tutorial shows how to connect remote machine using ssh protocol without entering password. For each and every step and commands please visit the below url http://technologylair.net/2013/08/ssh-login-without-password/ Buy Linux Networking Cookbook Flipkart : http://goo.gl/nNt7B0 Amazon : http://goo.gl/8YacRf Technology Lair : www.technologylair.net Subscribe : http://www.youtube.com/subscription_center?add_user=technologylair For More Videos : http://www.youtube.com/user/technologylair/videos For Video Tutorials :http://www.youtube.com/playlist?list=PLC71CFFF7A916DCAA For Android : http://www.youtube.com/playlist?list=PLUXK1VpPWQKHI1l-NvM5jvNKKnmNy9eHp Kalam e Iqbal : http://www.youtube.com/playlist?list=PLF057785BD260F061 Like us on Facebook : https://www.facebook.com/techlair Tweet us : @technologylair Follow us : https://plus.google.com/u/0/118196883367288585963/posts Pin us : http://www.pinterest.com/technologylair/
Views: 71789 TechLair
Security's Once and Future King: Introducing Smart Cards to the Web
 
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Google Tech Talks December, 14 2007 ABSTRACT About Gemalto Gemalto (Euronext NL 0000400653 GTO) is the leader in digital security with pro forma 2006 annual revenues of €1.7 billion, more than 85 offices in 40 countries and about 10,000 employees including 1,300 R engineers. In a world where the digital revolution is increasingly transforming our lives, Gemalto's solutions are designed to make personal digital interactions more convenient, secure and enjoyable. Gemalto provides end-to-end digital security solutions, from the development of software applications through design and production of secure personal devices such as smart cards, SIMs, e-passports, and tokens to the deployment of managed services for its customers. More than a billion people worldwide use the company's products and services for telecommunications, financial services, e-government, identity management, multimedia content, digital rights management, IT security, mass transit and many other applications. As the use of Gemalto's software and secure devices increases with the number of people interacting in the digital and wireless world, the company is poised to thrive over the coming years. Gemalto was formed in June 2006 by the combination of Axalto and Gemplus. For more information please visit www.gemalto.com. Speaker: Kapil Sachdeva Kapil Sachdeva is a Software Technologist with Gemalto, Technology & Innovation. The primary focus of Kapil's work is on the design and development of next generation smart card operating systems, virtual machines (.NET and Java) and fast XML parsers. Lately Kapil has been focusing on Identity Management, participating in specification committees within Liberty Alliance, building working prototypes for involving Windows CardSpace, WS-* and OpenID, and developing applications for smart cards for Identity Management. Kapil is also involved with European Identity Management initiatives such as Fidelity and FC2. Kapil's work has been instrumental in bridging the gap between multi-application smart cards and Identity Management. You can read Kapil's musings in his blog "Smartcard Serenity" http://www.dotnetcard.com/Blogs/ksachdeva/
Views: 12532 GoogleTechTalks
V-Key Mobile Application Security
 
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V-Key has developed a breakthrough, one-of-a-kind technology that doesn't make providers of mission-critical applications have to chose between high security or a responsive mobile UX. That's because V-Key provides mobile application security by securing the apps, not the device--making data, mobile transactions, apps themselves secure. How? Learn more at www-v-key.com.
Views: 267 V-Key
Logique et raisonnements - partie 1 : logique
 
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Chapitre "Logique et raisonnements" - Partie 1 : Logique Plan : Assertions ; Quantificateurs Exo7. Cours et exercices de mathématiques pour les étudiants. Retrouvez le polycopié sur http://exo7.emath.fr
Views: 415721 Exo7Math
CTF Milnet1 0
 
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Views: 573 Sunny Wear
Juniors CTF 2016 :: Clone Attack
 
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Join the Family: https://discord.gg/Kgtnfw4 Support me on Patreon: https://patreon.com/johnhammond010 Learn to code with a TeamTreehouse Discount: treehouse.7eer.net/1WOz6 E-mail: [email protected] PayPal: http://paypal.me/johnhammond010 GitHub: https://github.com/JohnHammond Site: http://www.johnhammond.org Twitter: https://twitter.com/_johnhammond
Views: 1428 John Hammond
Algorithme (1ere partie d'exercices(de base)) en darija
 
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notre site : http://www.enjoy-studying.com partagez la video SVP, abonnez-vous et aimez notre page facebook pour plus de cours et d'exercices : https://www.facebook.com/enjoystudies notre groupe facebook : https://www.facebook.com/groups/enjoystudies
Views: 17109 ENJOY STUDYING
INTRODUCTION TO SEARCH ENGINES GOOGLE YAHOO IN HINDI
 
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find relevant notes at-https://viden.io/
Views: 469 LearnEveryone
Using the Digi-CA™ Registration Authority Management Console [RAMC]
 
01:52
How to use Digi-CA™ Registration Authority Management Console [RAMC] to issue any digital certificates / e signature and then manage its complete life cycle , i.e. issue, revoke, renew, etc.
Views: 276 DigiSignPKI
Live CTF v2: The Hard Reboot (Episode 2)
 
02:09:45
http://livectf.com/
Views: 6240 psifertex
Install Python 3.7 on Windows or Linux
 
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Follow these steps to install Python 3.7 on Windows: 1. Remove old Python distributions 2. Browse to python.org and download installer 3. Install to C:\Python37 4. Add to PATH Environment Variable a. C:\Python37 b. C:\Python37\Scripts 5. Open command window (cmd) 6. Install packages with pip Python can also be installed on Linux with the following commands in a terminal window: Python 3+: sudo apt install python3 sudo apt install python3-pip Python 2.7 sudo apt install python sudo apt install python-pip See http://apmonitor.com/che263/index.php/Main/CourseProjects to learn scientific computing with Python and the Temperature Control Lab (http://apmonitor.com/heat.htm). These exercises use the Python Jupyter Notebook that is available when you install Anaconda.
Views: 23605 APMonitor.com
CS50 2016 - Week 2 - Arrays
 
01:50:54
TOC 00:00:00 - Week 1 in Review 00:04:33 - Debugging 00:05:05 - buggy0 00:09:12 - buggy1 00:12:49 - buggy2 00:18:11 - buggy3 00:22:19 - debug50 00:29:04 - Rubber-Duck Debugging 00:31:46 - Problem Sets Overview 00:35:18 - Academic Honesty 00:39:07 - Puppies 00:39:58 - Cryptography 00:41:00 - Ralphie 00:44:21 - Secret-Key Cryptography 00:46:18 - Strings 00:48:06 - string0 00:57:35 - string1 01:01:20 - Typecasting 01:02:39 - ascii0 01:06:19 - ascii1 01:09:04 - capitalize0 01:12:41 - capitalize2 01:13:47 - man 01:16:31 - strlen 01:17:40 - More on Strings 01:22:49 - More on strlen 01:25:09 - Command-Line Arguments 01:26:53 - argv0 01:34:22 - argv1 01:36:35 - argv2 01:42:26 - exit 01:46:36 - Arrays in Summary 01:49:28 - Outro Explained Segments Debugging: http://youtu.be/KFw20grap2E Academic Honesty: http://youtu.be/nDKQiHs5cpI Secret-Key Cryptography: http://youtu.be/dRW1NElR-QY Strings: http://youtu.be/XLd2C9bF6_Q
Views: 183221 CS50
Escaping the Global Banking Cartel
 
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Expanding on an observation from his last talk, Andreas asks why we talk so much about the cartels in drugs and oil, but rarely about one of the largest cartels in the world: banking. He analyses recent (unacknowledged) history with the 2008 financial crisis, the corrupt revolving door with regulators, how kleptocracy is destroying democracy, and why Bitcoin matters as an exit when voice is no longer an option. This talk took place on November 10th 2018 as part of the 'Internet of Money' tour at the Edmonds Center for the Arts near Seattle, Washington: https://antonopoulos.com/event/the-internet-of-money-tour-seattle/ RELATED: Worse Than Useless: Financial Surveillance - https://youtu.be/n4F-h4xuXMk Money as a System-of-Control - https://youtu.be/FyK4P7ZdOK8 The Stories We Tell About Money - https://youtu.be/ONvg9SbauMg Measuring Success: Price or Principle - https://youtu.be/mPMsbgWl9p4 Bitcoin's Origins and the Genesis Blockade - https://youtu.be/cagoyF3WePo Why Open Blockchains Matter - https://youtu.be/uZPIz3ArQww Decentralised Globalisation - https://youtu.be/QoiR4aNbTOw Investing in Education instead of Speculation - https://youtu.be/6uXAbJQoZlE Security vs. Complexity - https://youtu.be/M82t5wZG3fc Beyond Price: Bitcoin's Impact on the Future - https://youtu.be/rvwVbRQ5Ysc Why I'm against ETFs - https://youtu.be/KSv0J4bfBCc Regulation and the bank boycott - https://youtu.be/8ypH69Cb1l0 Wallet design and mass adoption - https://youtu.be/WbZX6BDZJHc Mass adoption and peer-to-peer commerce - https://youtu.be/n9qIAEFS-Qs Scaling strategies and adoption - https://youtu.be/dML1a_Ek9Kw Price volatility and store of value - https://youtu.be/wzzZT95ijTo Why I earn bitcoin instead of buying - https://youtu.be/Ci7TyD8jETY Job opportunities with cryptocurrencies - https://youtu.be/89_p4pDlQtI Inspiring cryptocurrency projects - https://youtu.be/WW8norCKUbE From barter to abstract money - https://youtu.be/KYsppZoHguQ Crossing the chasm of theoretical vs. real need - https://youtu.be/yIR0OBEAaUE Remittances and smuggling in Venezuela - https://youtu.be/RRXecXfWARw How long until mainstream adption? - https://youtu.be/y3cKBDBabtA What is the biggest adoption hurdle? - https://youtu.be/jHgyHF3F2TI Bitcoin as everyday currency - https://youtu.be/xYvvSV4mjH0 How to avoid re-creating systems of control - https://youtu.be/EfoGnDoaBL8 Hyperbitcoinization - https://youtu.be/AB5MU5fXKfo Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and respected figures in bitcoin. Follow on Twitter: @aantonop https://twitter.com/aantonop Website: https://antonopoulos.com/ He is the author of two books: “Mastering Bitcoin,” published by O’Reilly Media and considered the best technical guide to bitcoin; “The Internet of Money,” a book about why bitcoin matters. Subscribe to the channel to learn more about Bitcoin & open blockchains; click on the red bell to enable notifications about new videos! MASTERING BITCOIN, 2nd Edition: https://amzn.to/2xcdsY9 Translations of MASTERING BITCOIN: https://bitcoinbook.info/translations-of-mastering-bitcoin/ THE INTERNET OF MONEY, v1: https://amzn.to/2ykmXFs THE INTERNET OF MONEY, v2: https://amzn.to/2IIG5BJ Translations of THE INTERNET OF MONEY: Spanish, 'Internet del Dinero' (v1) - https://amzn.to/2yoaTTq French, 'L'internet de l'argent' (v1) - https://www.amazon.fr/Linternet-largent-Andreas-M-Antonopoulos/dp/2856083390 Russian, 'Интернет денег' (v1) - https://www.olbuss.ru/catalog/ekonomika-i-biznes/korporativnye-finansy-bankovskoe-delo/internet-deneg Vietnamese, 'Internet Của Tiền Tệ' (v1) - https://alphabooks.vn/khi-tien-len-mang MASTERING ETHEREUM (Q4): https://amzn.to/2xdxmlK Music: "Unbounded" by Orfan (https://www.facebook.com/Orfan/) Outro Graphics: Phneep (http://www.phneep.com/) Outro Art: Rock Barcellos (http://www.rockincomics.com.br/)
Views: 164372 aantonop
Understanding ARM HW Debug Options by Michael E Anderson
 
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Understanding ARM HW Debug Options - Michael E. Anderson, The PTR Group Hardware-based debuggers are a staple in the embedded Linux world. However, the ARM architecture supports several different flavors of hardware debugging including JTAG, SWD, SWO, CMSIS-DAP and more. What are the features of these debugger interfaces and how can you use them to debug low-level code such as drivers in the Linux kernel? In this session, we will describe each of these interfaces and how they are used with a live demonstration of OpenOCD and its use to debug Linux kernel code. About Michael E Anderson Mike Anderson is currently CTO and Chief Scientist for The PTR Group, Inc. With over 39 years in the embedded and real-time computing industry, Mike works with a number of RTOS, Linux and Android-based devices in applications ranging from satellites and robotics to SCADA platforms. However, his focus over the past few years has been the use of Linux and Android in embedded sensor applications and the deployment of the Internet of Things.
Simple Cryptocurrency Scalping Strategy
 
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This video showcases an incredibly simple to use strategy (The Pivot Reversal Strategy) that indicates exact buy and sell points + gives an indication if the market is bullish or bearish. You can find this indicator on Tradingview. Timeframes: Cheat Sheet I: 1:17 Examples: 1:30 Statistical Backtesting of the Strategy: 7:50 Get the Price Action/Volume Guide or the Fibonacci Guide here!: https://bitcointradingpractice.com/guide Get the guide by paying with crypto here: https://bitcointradingpractice.com/gravity-crypto Get Tradingview Pro for next-level charting: https://tradingview.go2cloud.org/aff_c?offer_id=2&aff_id=8388 Suggest a video on Patreon: https://www.patreon.com/BitcoinTradingChallenge The Platform I use to Trade - https://gdax.com/ The Website I use for Analysis - https://www.tradingview.com/chart/ My Discord Chat: https://discord.gg/MSrNkbg 1-On-1 Mentoring: http://bitcointradingpractice.com/ _________________________________________________________________________________________________ Disclaimer: The content covered in this video is NOT investment advice and I am not a financial advisor. The material covered within these videos is for educational purposes only. Always do your own research and only invest based on your own findings and personal judgment. Happy Trading!
How to organize, add and multiply matrices - Bill Shillito
 
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View full lesson: http://ed.ted.com/lessons/how-to-organize-add-and-multiply-matrices-bill-shillito When you're working on a problem with lots of numbers, as in economics, cryptography or 3D graphics, it helps to organize those numbers into a grid, or matrix. Bill Shillito shows us how to work with matrices, with tips for adding, subtracting and multiplying (but not dividing!). Lesson by Bill Shillito, animation by The Leading Sheep Studios.
Views: 265938 TED-Ed
Exercice 1 (Nombres complexes) [00001]
 
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Forme algébrique des nombres complexes : a+ib. Bonus (à 4'20'') : addition, multiplication, inverse. Exo7. Exercices de mathématiques pour les étudiants. Retrouvez la correction écrite sur http://exo7.emath.fr
Views: 55218 Exo7Math
Exercice 1 (Logique, ensembles, raisonnements) [00108]
 
02:20
Logique, implication, équivalence. Bonus (à 1'43'') : syllogisme, Aristote, Ionesco. Exo7. Exercices de mathématiques pour les étudiants. Retrouvez la correction écrite sur http://exo7.emath.fr
Views: 161082 Exo7Math
Munda Lineman Lageya | Balkar Sidhu | Punjabi Mela Akhada | Best Punjabi Songs | Priya Audio
 
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Don't forget to Hit Like, Comment & Share !! If you like Punjabi Music & Songs SUBSCRIBE NOW ! Like | Comment | Share Subscribe us for more Music & Songs: http://www.youtube.com/c/PriyaAudio Song : Munda Lineman Lageya Singer : Balkar Sidhu Label : Priya Audio
Views: 2525449 Priya Audio
Transparent SSH Gateways
 
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This webinar will be a hands-on learning session, which will demonstrate the hidden features of Secure Shell (SSH) protocol live. Key learning areas of the session are: Multi-factor authentication using keys Inline command execution Automatic command execution Transparent SSH gateways Secure tunnel creation SSH connection multiplexing Traditionally *NIX servers were remotely accessed using Telnet, but since the advent of SSH, Telnet has been phased out. Today, all the UNIX and Linux operating systems support SSH. Unlike traditional Telnet, SSH is a far more advanced protocol and muti-purpose protocol. Besides giving encrypted remote shell access, it also provides features like secure file copy (both pull and push methods), secure X11 forwarding encryption services for other clear text traffic, and SSH connection multiplexing to reduce resource usage. It provides secure services like confidentiality using encryption, secure key exchange by using Diffie-Hellman and RSA based key exchange, and provides data compression. Since SSH has replaced Telnet, administrators too have started using it in the same way as Telnet, which is just for remote shell access. While SSH can be used in many ways and, if used correctly in right situation, can save a lot of work and time for administrators. This presentation will disclose some of the hidden features of the SSH protocol, which may not be used generally but can be quite handy in odd situations.
Views: 426 TechGig
Apple And Banana | Little Red Car | apples and bananas | kids channel
 
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Hi Kids! Watch this Apple And Banana for children by Kids Channel! We hope you enjoy watching this cartoon for toddlers as much as the Kids Channel team did making it for you! 🌈Hello toddlers, Bob The Train is here to make your learning time easy and fun with these playful toys. Click on the link to explore the toys now! - https://amzn.to/2PCeSDS 🌈 Share this video – Apple And Banana Here's the link: https://youtu.be/YrYjk5mSCoo 🌈 Subscribe for free now to get notified about new videos - https://www.youtube.com/user/thekydstv?sub_confirmation=1 🌈 If you enjoyed this collection, you may also like these compilations: ☀️Car Wash Compilation: https://youtu.be/alJU33729mM ☀️Monster Truck Stunts: https://youtu.be/yj0eqjzhNbc ☀️Road Rangers Finger Family:https://youtu.be/tpYfpgq9laQ ☀️Old MacDonald Had A Farm Schoolies: https://youtu.be/7J_ZQ5qx5BU ☀️Police Car Song:https://youtu.be/MFns83rlWME ☀️Haunted House Monster Truck: https://youtu.be/BYIU1fZgCNg ☀️Dump Truck Car Wash: https://youtu.be/LEm0dtOkcU8 ☀️Super Car Royce: https://youtu.be/ef4CHcsJPYg 🌈Check out our Partner Featured Videos: ☀️ Bob the Train’s Alphabet Adventure : https://youtu.be/cE3LzPQgQmk ☀️ Bob the Train Animal Sounds: https://youtu.be/SPNdEL8Dl0o ☀️ ABC Song: https://youtu.be/LF4yW6jFAL8 ☀️ 10 in the bed Farmees: https://youtu.be/LTFqv4fqQd0 ☀️ Rig a Jig Jig Farmees : https://youtu.be/B4r2R6ZIb00 ☀️ Wheels on the Bus Farmees : https://youtu.be/gvAT7pEUwIM ☀️ Learn Shapes Little Treehouse : https://youtu.be/gOJk8650Va4 ☀️ Wheels on the Bus Little Treehouse : https://youtu.be/XKpBW4ZBlYQ ☀️ Phonics Little Treehouse : https://youtu.be/hDj-VMV-TCM We have a nursery rhyme, song, video or game for every occasion here at Kids Channel. With home to many cartoon 2D and 3D characters, we are a preschooler's best friend. Through stories, episodes, original songs our characters make learning fun for children. A school away from school we make our videos not just to please the toddler but also to educate him/her with new concepts, skills, and ideas. We take kindergarten a step further with an in-depth understanding of a preschoolers comprehension, cognitive development, motor skills, language acquisition, executive functions, self-concept, identity development and moral values. 'Kids Channel' home to The Road Rangers, Monster Truck Dan, Little Red Car and The Haunted House Monster Truck. To get regular updates of our videos SUBSCRIBE to us. Nursery rhymes and kid’s songs accelerate phonetic awareness improving children’s word comprehension, reading and writing skills. Rhymes for children help teach basic skills and improves their ability to comprehend and follow directions. We hope you kids are having a fun time with all your friends at Kids Channel. If you enjoyed watching this video then check out our channel for many more interesting and fun learning videos for kids by Kids Channel! For Road Rangers videos: https://bit.ly/2EirLRW For Monster Truck Dan Videos: https://bit.ly/2OXKd6u For Little Red Car Videos: https://bit.ly/2ISR7nW For Haunted House Monster Truck Videos: https://bit.ly/2NEodcb If you enjoy our content, don’t forget to support us and subscribe :) 🌈Download our Apps: Bob the Train (Android & iOS) : http://onelink.to/bobfree JellyFish Adventures (Android & iOS) : http://onelink.to/jelly Like & follow us on: Facebook: https://www.facebook.com/Kids-Channel-1555300588066178/ G+: https://plus.google.com/u/0/+KidsChannel Wordpress: https://kidschannelofficial.wordpress.com/ Visit Kids Channel's very own site: https://www.uspstudios.co/creation/channel/kids-channel/2/ Share your world with us! Send in your child's drawings, artwork, photographs, and videos while he or she is lost in our world and win a chance to be featured by us in our videos! Send in your love by messaging us on Facebook, Instagram, and our site or via Email. ============================================ Music and Lyrics: Copyright USP Studios™ Video: Copyright USP Studios™ ============================================
La Magie des Maths de Prépa (1/2) - L'algèbre
 
01:00:04
Dans cette série, je propose de vous révéler la magie des mathématiques des classes préparatoires aux Grandes Écoles. Ce premier épisode porte sur l'algèbre. Voici le second : https://www.youtube.com/watch?v=DRciHKXWneA. Visiter la chaîne francophone de Science4All :https://www.youtube.com/channel/UC0NCbj8CxzeCGIF6sODJ-7A Chapitre 1 - Al-Jabr (1:13) Chapitre 2 - La géométrie algébrique (12:11) Chapitre 3 - La théorie des nombres (17:51) Chapitre 4 - L'algèbre moderne (29:04) Chapitre 5 - L'algèbre linéaire (40:51) Aidez-moi à m'améliorer en remplissant le questionnaire suivant : https://docs.google.com/forms/d/1asI9wJ1jrnMWjpWaO29XvORSIK-ZQD0G_Ivt5m-It5M/viewform?usp=send_form https://docs.google.com/forms/d/1asI9wJ1jrnMWjpWaO29XvORSIK-ZQD0G_Ivt5m-It5M/viewanalytics Pour en savoir plus, allez-voir ces liens ! La magie de l'algèbre : http://www.science4all.org/le-nguyen-hoang/algebra/ Ellipses, paraboles et hyperboles : http://www.science4all.org/le-nguyen-hoang/ellipses-parabolas-hyperbolas/ Cryptographie et théorie des nombres : http://www.science4all.org/scottmckinney/cryptography-and-number-theory/ Cryptographie et physique quantique : http://www.science4all.org/scottmckinney/cryptography-and-quantum-physics/ P versus NP : http://www.science4all.org/le-nguyen-hoang/pnp/ Théorie de Galois : http://www.science4all.org/le-nguyen-hoang/galois-theory/ Relativité restreinte : http://www.science4all.org/le-nguyen-hoang/spacetime-of-special-relativity/ Relativité générale : http://www.science4all.org/le-nguyen-hoang/spacetime-of-general-relativity/ Algèbre linéaire : http://www.science4all.org/le-nguyen-hoang/linear-algebra/ Programmation linéaire : http://www.science4all.org/le-nguyen-hoang/linear-programming/ Physique quantique : http://www.science4all.org/le-nguyen-hoang/quantum-mechanics/ Merci à toutes les participantes concernées de près ou de loin par ce projet ! Musiques : Jason Shaw (http://www.audionautix.com/index.php) J. Lang, Snowflake, Admiral Bob, Onlymeith, Colab (http://dig.ccmixter.org) Chris Zabriskie, Kevin MacLeod (http://freemusicarchive.org)
Views: 151494 Science4All (english)