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  bcrypt: Safeguarding Passwords with Strong Hashing and Adaptive Security

Introduction In today's digital world, passwords play a crucial role in protecting personal privacy and information security. Passwords are the most commonly used means of authentication because they are simple yet effective. Password security is the cornerstone of cybersecurity and plays a fundamental role in safeguarding the information security of individuals and organizations. However, with the increasing frequency and complexity of cyberattacks, traditional password hashing algorithms like ...

   BCRYPT,SECURITY     2023-11-15 08:14:35

  The new Surface RT may use Qualcomm Snapdragon processor

According to Sina Tech, Microsoft will launch its new Surface RT tablet equipped with Qualcomm processor . The source said, some of the new Surface RT will use Qualcomm Snapdragon processor, this processor will provide faster wireless data connection speed. The current Surface RT uses Nvidia's Tegra processor. Some versions of the Surface RT will continue to use Tegra processor. By adding Qualcomm processor as another option, Microsoft will further expand Surface RT function. Despite Microsoft h...

   Surface RT,Qualcomm,Processor     2013-06-19 08:11:03

  10 design flaws of JavaScript

JavaScript's design took only ten days. Moreover, the designer didn't want to design it initially, he just wanted to complete the task assigned by company. It is now a very powerful client side programming language used in almost all the websites. It's an excellent language, but it also has some flaws. 1. Not suitable for large projects JavaScript doesn't have namespace, it's hard to be modular, there is no standard for putting codes in multiple source files. It allows defining functions with th...

   JavaScript, Design flaw, Object     2012-11-29 11:39:35

  Lisp: It's Not About Macros, It's About Read

Note: the examples here only work with outlet lisp. Refer to your version of lisp/scheme’s documentation for how read works (and possibly other forms) I know it’s an old post by now, but something about the article Why I love Common Lisp and hate Java, part II rubbed me the wrong way. The examples just aren’t that good. The usage of macros is plain baffling, when a function would have been fine. The author admits this, but still does it. There’s a follow-up post wh...

   Lisp,Macro,Read,Java     2012-02-19 06:12:19

  A simple tutorial on writing Java native program

Java provides Java Native Interface(JNI) to enable developers to write programs which can utilize the underlying native libraries of the operating system. The benefits of writing native code are that they normally provide better performance compared to Java codes. Sometimes if you want to utilize some system specific functions you may also want to use JNI. One main drawback of writing native code is that your application may not be platform independent anymore. This is not what Java is desi...

   Java native interface, JNI, Native code, Sample     2015-08-15 08:28:15

  HTML5 Web Worker

Web Worker is a JavaScript multithreading solution provided by HTML5. we can put some compute intensive codes into Web Worker and it will not hang the user interface. 1. How to use Web Worker Web Worker's basic mechanism is to use Worker to load a JavaScript file to create a new thread in JavaScript's main thread. It will not block other thread's execution and will provide a data exchange interface between main thread and new thread : postMessage() and onmessage. Let's look at an example: //work...

   JavaScript,HTML,Web Worker     2012-12-02 06:25:00

  The tic-tac-toe game with Python

In this tutorial, we will show how to build a tic-tac-toe game with Python. We will use functions,arrays,if statements,while statements, for loops and error handling etc. First, we need to create two functions, the first function will display the borad of the game: def print_board(): for i in range(0,3): for j in range(0,3): print map[2-i][j], if j != 2: print "|", print "" Here we used two for loops to loop through the map, this map is...

   Python,Tic-Tac-Toe     2013-07-30 02:49:09

  Mastering Go Channels: How to Build Concurrent Applications Like a Pro

Introduction In the world of concurrent programming, Go channels have quickly become a popular tool for building fast and efficient applications. Utilizing channels can help you take full advantage of the power of Go's lightweight threads, or goroutines, and enable you to easily and effectively manage data sharing and synchronization. In this article, we'll dive deep into the world of Go channels and show you how to build concurrent applications like a pro. Understanding Go Channels To start, le...

   GOLANG,CHANNEL,CONCURRENCY     2023-04-21 14:47:47

  An experience of fixing a memory-corruption bug

During the last 4 months, I was disturbed by a memory-corruption bug, and this bug will cause program crash. Until last Monday, I found the root cause and fixed it. This debug process is a difficult but memorable experience, so I will share it in this article.   My program works as a SMS Hub. When it receives a SMS, it will allocate a structure in heap memory like this: typedef struct { ...... int *a[8]; ...... } info; After processing the SMS, the program will free the m...

   c, debug, unix, solaris, multi-thread     2014-05-04 03:52:43

  Frequently used explanations of programmers

As a programmer, I think many of us have something like these below in our daily work. From these explanations, we may get to know different programmer's characteristics. Below are something we may say frequently. Don't be too serious about them.It's working on my computerI never heard about this beforeIt was working normally yesterdayOk, this is a bugHow is it possible?This must be the problem of the machine or the environmentDo you update your operating system?Must be the problems of client...

   Explanation,Programmer     2012-04-25 08:07:43

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