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  Maintain multiple versions of Go in one single environment

In a development environment, there might be multiple projects going on at the same time and they may require different development environments with different versions of build tool. In many programming languages, it is possible to have multiple versions of different build tool or development tool on a single environment. For example, there can be multiple JDKs, multiple versions of Ruby using RVM. For GoLang, there is a similar tool called GVM which can also be used to maintain multiple versio...

   GOLANG,GVM,GVM PKGSET,RVM     2019-11-10 00:43:47

  Java SynchronizedList and Iterator

While reading some material about concurrency, I come up with some writing about using SynchronizedList wrap about normal List to enable synchronization.   But one interesting thing is http://docs.oracle.com/javase/7/docs/api/java/util/Collections.html#synchronizedList%28java.util.List%29   It says     It is imperative that the user manually synchronize on the returned list when iterating over it:     1   List list = Collections.synchronizedList(new A...

       2015-12-03 03:04:08

  PHP Apache MySQL Set-up Note

With the emergence of WAMP, LAMP, PHP developers are liberated from the tedious work of setting up PHP environment. Since PHP, Apache and MySQL are so tightly bundled, WAMP and LAMP provide a setp solution for setting up a PHP environment which includes the programming programming environment, server and database. But for a PHP who wants to learn more, you have to try to set the PHP environment yourself by installing PHP, Apache and MySQL manually and configuring them. Below is a simple note on ...

   PHP,Apache,MySQL     2014-04-07 01:56:43

  Difference between Beijing and Silicon Valley on innovation

The fundamental difference between Beijing and Silicon Valley is not the sky color, but the fact that on one side the young people are talking about buying a new house, a new car and getting married, while on the other side young people are talking about how to change the world. Now and then we can read from the newspaper or the Internet that a Silicon Valley company is valued over 1 billion US dollars. Also we can see many famous US IT brands on the Internet such as Google, Facebook,Twitter, Am...

   China,Silicon Valley,Innovation, Comparison     2013-06-24 03:09:54

  How to help new joiners involve in projects

Usually when a new joiner involves in a new project, he will spend much time on understanding the background of the project, the current status of the project and the requirements of the project etc. It is very easy for them to get lost in this stage. So to effectively help them involve in the project, we need have some people guiding them, giving them some useful instructions. What should we do to help them? Here are some steps I take.1. Project backgroundIn this phase, I will introduce to them...

   New joiner,Experience     2012-05-05 11:06:18

  Is Shared Hosting Secure?

Shared hosting is incredibly popular with users who are looking for the cheapest hosting available – the problem is that along with the low price you get poor performance and even more concerning – questionable security. When running on a shared host dozens if not hundreds of other sites are running on the same servers – this means any single security flaw in any of those applications can compromise the entire server. This  dramatically increases the odds of your ...

   Shared hosting,Virtual host,Security,Data security     2012-02-14 10:48:59

  JS code to check different mobile devices

Today I come across a code snippet which uses JavaScript to check different mobile devices and then loads different CSS files accordingly. As we know that there are mobile devices with different screen sizes, it's always troublesome for web developers to develop cross browser and cross device compatible codes. Hope this one can help those who develop web apps on mobile devices. // Check whether it's a mobile device // wukong.name 20130716 if(/AppleWebKit.*Mobile/i.test(navigator.userAgent) || (...

   JavaScript,Mobile device,Detection     2013-11-28 05:25:10

  A handbook on the first day of joining a new internet company as BE engineer

When joining a new internet company, there might be lots of things need to be done to get ready for taking new challenges. These include both culture and tech preparation. in this post, we would focus on how to prepare the first day technically. The first thing to do is to get your laptop or your work machine up, these involves lots of tool setup and accesses. Normally there are three major task categories. Access As an engineer, there are lots of accesses needed to access different resources wi...

   TIPS,CAREER ADVICE,ONBOARDING     2021-12-11 21:32:10

  Work is not challenging is just an excuse in interview?

Usually when an interviewer asks the interviewee why he/she wants to change his/her job, one answer may be "My current job is not challenging, I want a more challenging job.". The interviewer may tend to think that there are always challenges everywhere and why the interviewee indulges himself/herself without putting much effort on his/her work.   Here I want to say something to our interviewers. Work challenging is not equal to personal indulgence. The work is challenging which is an...

   Job,Interview,Challenge,Excuse     2012-04-18 07:03:12

  Differences between bashrc and profile in Linux

After login to a Linux system, the command console will show up with a prompt label such as # or ~, a shell command can be typed after this prompt and the system can execute the command thereafter. All these operations are handled by shell. Shell is a command language interpreter that executes commands read from the standard input device (keyboard) or from a file. There are different types of shells such as bash, ksh, csh etc. The most commonly used of them is bash and it's also the de...

   LINUX,PROFILE,BASH,BASHRC,.BASHRC,.PROFILE     2016-11-05 22:17:51

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