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SEARCH KEYWORD -- code security



  Name resolution order in JavaScript

To understand what value a variable has in JavaScript, we need to understand some concepts such as scope and name resolution order. JavaScript has two scopes; one is program level and the other one is function level. Unlike in C,C++ or Java, JavaScript has no block level scope. So a variable defined in a if block will still be available outside. For example, the below example: var foo = 1; function bar() { if (true) { var foo = 10; } alert(foo); } bar(); The alert will display 10 since the ...

   JavaScript,Scope,Name resolution     2013-07-10 01:29:28

  Full disk encryption is too good, says US intelligence agency

You might be shocked to learn this, but when a quivering-lipped Chloe from 24 cracks the encryption on a terrorist’s hard drive in 30 seconds, the TV show is faking it. “So what? It’s just a TV show.” Well, yes, but it turns out that real federal intelligence agencies, like the FBI, CIA, and NSA, also have a problem cracking encrypted hard disks — and according to a new research paper, this is a serious risk to national security.The study...

   FDE,Full disk encryption,Crack,Difficulty     2011-11-19 01:55:17

  Twitter OAuth the easy way – simple post to twitter script

After Twitter introduced mandatory authentication with OAuth, many of the current scripts for posting content to Twitter don’t work anymore. OAuth can be great for more advanced authentication, but for a simple post to twitter script, it seems like a little overkill. In this post you’ll learn how to create a simple script that uses a quick and dirty version of OAuth for posting new tweets to Twitter. How to create a simple script Simplified, Twitter OAuth involves sending both ap...

   Twitter,OAuth,PHP,Auto tweet     2012-02-25 12:51:07

  How to use xargs command in Linux

What is the xargs command? The xargs command constructs and executes commands provided through standard input. It takes input and converts it into command arguments for another command. This functionality is particularly useful in file management and can be combined with commands like rm, cp, mkdir, and others. Using the xargs command When used alone, the xargs command prompts the user to enter a text string and then passes it to the echo command. This example demonstrates the input provided an...

   XARGS,LINUX     2023-11-17 11:19:41

  The Greatest Hacks of All Time

Reader's advisory: Wired News has been unable to confirm some sources for a number of stories written by this author. If you have any information about sources cited in this article, please send an e-mail to sourceinfo[AT]wired.com. In 1972, John T. Draper discovered he could make free long-distance phone calls using a whistle from a Cap'n Crunch cereal box. The whistle emitted a 2,600-hertz tone that got him into the internal authorization system at the phone company. With another noi...

   Hack,Greatest,All time     2012-02-29 05:05:42

  new() and make() in GoLang

GoLang is a modern, statically typed, compiled programming language designed for building scalable, concurrent, and efficient software. It provides various built-in functions and features that help developers write concise and efficient code. Among them are the new() and make() functions, which may appear similar at first glance but serve different purposes in GoLang and are crucial for memory allocation and data initialization. In this blog article, we will explore the differences between the n...

   NEW,MAKE,GOLANG     2023-11-18 13:43:25

  Venn Diagram entirely in CSS

The HTML5 Microzone is presented by DZone and Microsoft to bring you the most interesting and relevant content on emerging web standards.  Experience all that the HTML5 Microzone has to offer on our homepage and check out the cutting edge web development tutorials on Script Junkie, Build My Pinned Site, and the HTML5 DevCenter. A friend of mine alerted me this weekend to just how much I have a weird fascination with Venn diagrams. I decided to roll with it. So yeah...

   CSS,Venn Diagram,Implementation     2012-02-06 08:10:41

  WireGuard VPN Troubleshooting

When you are working as a network/cluster admin for you team to config the WireGuard VPN for other members, you may meet some of the problems below and these are the solution you can try to fix them. ----------------------------------------------------------------------------------------------------------- Problem [1]: The WireGuard handshake request send from the client can be received from the server but the server's response was blocked at some where so the client can not receive serv...

   WIREGUARD,VPN,TROUBLESHOOTING     2021-12-14 09:17:46

  Tips and tricks about JavaScript from Google

JavaScript is now a very popular client side language. It's flexible, powerful but easy to make mistakes. So good programming style is better for you to write efficient and readable JavaScript codes. Here are some tips and tricks about JavaScript from Google. True and False Boolean Expressions The following are all false in boolean expressions: null undefined '' the empty string 0 the number But be careful, because these are all true: '0' the string [] the empty array {}&n...

   JavaScript, Google, Coding standard     2013-02-26 23:11:03

  Different types of keystore in Java -- BKS

BKS is a keystore format provided by the popular third party Java cryptographic library provider -- BouncyCastle. It is a keystore similar to the JKS provided by Oracle JDK.  Before starting to use BKS, the BouncyCastle provider has to be downloaded and installed. To download the provider, please go to BouncyCastle download page. The provider can be installed by adding an entry in the java.security file. security.provider.N=org.bouncycastle.jce.provider.BouncyCastleProvider N means the pr...

   JAVA,KEYSTORE,BOUNCYCASTLE,BKS     2016-07-03 03:00:18