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  Use DTrace to diagnose gdb issues

A few days ago, I installed the newest 64-bit gdb program (version 7.7.1) on Solaris 10 (X86_64 platform) to debug programs. After playing with the gdb a day, I found 2 issues about gdb:(1) The "set follow-fork-mode child" command doesn't take effect. By default, after the parent process forks the child process, the gdb will track the parent process, so this command can make gdb begin to follow the child process. But this command works OK on Linux.(2) The gdb can't parse the 32-bit application c...

   DTrace, debug, gdb, UNIX     2014-06-28 05:11:20

  The first 30 tweets on Twitter

Six years ago, we didn't know what a tweet was. But now, there are 340 million tweets posted every day. Looking back, do you know what are the earliest tweets on Twitter when it was released? Let's check them out. Before that, let's check Twitter's background first. Six years ago, Twitter was called twttr (similar to Flickr), the earliest version was similar to an SMS broadcast service, i.e sending short message to friends to tell them what I am doing. It was put online on 22nd October, 2006, J...

   Twitter,history,story     2012-10-11 20:03:22

  1) How to Reset a Mac Computer

Why do you want to reset your Mac computer? Probably, you are thinking about selling it. Alternatively, maybe the computer has become too slow thus frustrating you most of the time. Additionally, you may simply be considering freeing up some space. Regardless of your reasons, the first thing you should realize is that resetting the machine is a demanding task. Additionally, it would be great to remember that in resetting the machine, you are basically formatting the hard drive fully while reins...

       2019-05-30 19:13:20

  How to improve website rank in search engine?

Want to let people know your website? Want to get much web traffic ? Then you need to make sure that people can find your website. Currently, many people are using search engine to find what they are interested in. So besides good content, you need to spend some time on getting your website shown at the first few pages of the search engine. Here are 10 suggestions to improve your website rank in search engine.1. Webpage response speedSimilar to human beings, search engine hates waiting. Webpage ...

   Website rank,Suggestions,SEO     2012-07-23 13:28:27

  Let Your Programmers Be Silly

6Share You’re in the middle of a crazy startup development sprint. Pressure is sky high as you might have to fire everyone if you don’t generate significant traction over the next 4 months. Make it or #fail situation. The guys (I wish we’d have girls but … wait we have a student, anyway) are killing tickets and you’re pretty much on the target you’ve set with your investors. Not comfortably confident but ok. And you catch your guys debating, f...

   Programmer,Style,Management,Work     2012-01-29 04:31:56

  7 big mistakes that make your layout a disaster

Even though the web design field has become a real industry, building a website is part art, part science. The design of a website may attract people but it may also make them run away, it depends on the work of the web designer. The experience, the talent and the capacity of endeavor are the greatest tools of a web designer, a good layout is based on all of these and, besides that, it is a very time consuming activity.Making a good layout is difficult and judging its value is subjective, a desi...

   Web design,Mistakes,Content,White space     2011-11-24 03:36:23

  Undoing Changes in Git: Working Directory, Staging Area, and Committed Changes

When working with Git, it's crucial to understand how to undo changes at different stages—whether in the working directory, the staging area, or after committing changes to the local repository. This guide walks you through the essential Git commands to effectively manage and revert changes, ensuring that your version control process is smooth and error-free. Modifying Files in the Working Directory but Not Yet Added to the Staging Area When you make changes to files in your working direct...

   GIT RESET,STAGING AREA,UNDO CHANGE     2024-08-11 08:53:34

  How to prevent next HeartBleed bug?

How to ensure the security of open source projects is a concern for many open source users including individual users and companies. But it's not an easy task to ensure the security of open source projects. Because everyone can see the source code, there is much higher possibility that a bug may be found by someone. Once a bug is disclosed, people may exploit it and do evil things, this may cause loss of money either for individuals or companies, some of the bugs may even have big impact to the...

   Open source,HeartBleed,Security     2014-04-24 09:07:05

  Why does LinkedIn migrate to NodeJS from Ruby?

Node.js, the server-side JavaScript-based software platform used to build scalable network applications, has been all the rage among many developers for the past couple of years. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices. Because of these advantages, there are many websites are migrating to Node.js.One of them is LinkedIn. LinkedIn was initially built on Ruby...

   LinkedIn,NodeJS,Ruby     2014-03-21 23:39:25

  What Happened to Software Engineering?

Over the past few years there has been an evolutionary shift in the world of software development.  Not very long ago, the dominant Software Development Life Cycle (SDLC) methodology was the Waterfall Method with very specific phases that separated the construction phase from phases like design and test. The software development industry, still very new, was striving to find a repeatable, predictable process for developing software.  The best model for this seemed to be the physical sc...

   Software engineering,Software,Developmen     2011-09-07 10:42:34

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