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  How to write good requirements

Requirements are pretty ubiquitous in the embedded world. They are used to define tasks, help coordinate large development efforts, and to communicate the behavior of the desired end product between the developers and the customer. When done right, requirements can be very useful. Unfortunately, if you spend much time working in the embedded world you quickly discover that there are a lot of bad requirements. And then when you try to go fix them, you quickly discover that writing good req...

   Requirement gathering,Good requirement     2012-02-18 12:53:15

  How to check which Ohai plugin hangs in chef client run

Ohai plugins are very important components in chef client which aims to provide resource management automation on a server. The data discovered by Ohai plugins are describing the current state of the server and they will be used to maintain the server in a desired state. Each Ohai plugin discovers a specific pierce of information about the server such as cpu, memory, middleware etc. However, there are rare occasions(well I am a bit optimistic here) someone may find that the chef client...

   HOW TO,CHEF-CLIENT,OHAI,UPTIME,HANG     2017-12-24 22:09:59

  How Can Android Win Over Developers?

We’ve heard a lot about Android’s popularity; it’s a machine that’s clearly outpacing its rivals like Apple’s iOS… in market share. It seems that, although Android is super popular and great at attracting customers, it loses support from other parties that are vital to the success of the OS, like developers. Why does Android have such a hard time winning over developers? More importantly, how can they win over the developers? Well, let’s take a qu...

   Android,Developer,Attraction,iOS,HTC     2011-08-07 23:34:50

  The Five Stages of Hosting

As a proud VPS survivor, I thought it might be fun to write up five common options for hosting a web business, ranked in decreasing order of 'cloudiness'. People who aren't interested in this kind of minutia would be wise to pull the rip cord right here. 1. The Monastery You run your site on an 'application platform' like Heroku, Azure, or Google App Engine. You design your application around whatever metaphors and APIs the service lays out, and in return you are veiled from all t...

   Website hosting,Recommendations,Stages,Advantages     2012-01-30 05:43:42

  FUCK PASSWORDS

I'm so tired of passwords. So, so, so tired. Most people don't understand this. Most people use the same password everywhere. Most people can just mechanically type out password3 in every password box, smirking to themselves at how clever they are, because who would ever guess 3 instead of 1? I don't do that. Let me tell you what i do. I generate a different password for every service, based on a convoluted master password and the name of the thing. I do this because it's what you're...

   Security,Password,Random generation,Hard to remember     2011-12-05 11:32:45

  Understanding JavaScript closure and where it can be used

Closure The official definition of closure is: an expression (usually a function) that has many variables and is bound to an environment that includes those variables. In JavaScript, closure refers to the ability of a function to access the lexical scope in which it was defined, even after the function has been executed and left that scope. This ability is due to the fact that when a function is created, it generates a closure that includes a reference to the definition environment of the curr...

   CLOSURE,JAVASCRIPT,USAGE     2023-03-05 02:17:08

  Understand how Larry Page leads Google judging by what he says

Larry Page is the head of one of the world's greatest companies : Google. For a long period of time, Page and the other co-founder Sergey Brin managed the company together. In 2001, Eric Schmidt took over the company, became Google's chairman and CEO. Until 2011, Page replaced Schmidt as the company's CEO.Page has undoubtedly played a pivotal role in Google's development. How did he push Google to today's height? Some of his quotations might be able to give the answer to this question. In my op...

   Larry Page, Google,Quotation     2012-12-09 11:26:59

  Something you may not know about Shell

Shell is also called command line interface, it is the interface between *nix users and computer. Shell is a program which provides service to access OS kernel services. This article is to introduce some not so well known but useful and interesting knowledge about shell. Wiki shell was born almost at the same time as Unix. The first UNIX shell was written by Ken Thompson in 1971 and its name is Thompson sh. It's older than Linux kernel. The default Shell in most *nix and MacOS is bash, bash was...

   Linux, Unix,Shell,Command     2012-11-24 07:19:47

  A Hello, World Servlet

Servlets are the pure Java solution to handle web requests. Many application will use servlets instead of JSP and others will use servlets in conjunction with JSP. Experienced JSP programmers use servlets in conjunction with JSP to create clearer and simpler applications. The servlets handle Java processing: form handing, calculation and database queries. JSP formats the results. Servlets belong in WEB-INF/classes. On this machine, the source is in Java source in /var/www/hosts/www.caucho.com/we...

   Web.xml,Tomcat,Servlet,WEB-INF     2011-05-08 10:31:39

  Bill Gates : Ctrl+Alt+Del was a mistake

Microsoft chairman Bill Gates admitted that Ctrl+Alt+Del command was a mistake when he was in a fund raising campaign at Harvard University last week. This command was initially designed to reboot the system. David Rubenstein, the Harvard fund raising campaign chairman, asked Bill Gates : "Why when I turn on my software or computer do I need to have my three fingers to press control,alt and delete? Whose idea was that?" The answer given by Bill Gates is : "Basically because when you turn your co...

   Bill Gates,Ctrl-Alt-Del,Mistake     2013-09-26 23:28:37

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