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  Hey kids, just say NO to programming !

Cory Doctorow's latest talk 'The Coming War on General Purpose Computing' really puts things in perspective about life in the 21st century. This got me thinking more about functional programming languages and how they are related to the intentional limitation/crippling of turing machines by industry and government. What if Stallman is right about the intentional efforts to limit freedom of information ? What if it's even worse than we all think it is ? In relation to functional languages ...

   Programming,Factor,View,Kids,No     2012-01-16 10:16:19

  Resolve high CPU usage issue caused by file_get_contents in PHP

Sometimes a Linux server which runs Nginx + PHP-CGI(php-fpm) web service may experience sudden system load increase and the CPU usage is around 100% for many php-cgi processes when checking with top command. If this happens, file_get_contents may be the cause if it's used in the PHP script. In lots of web applications, normally there are lots of API requests based on HTTP. Many PHP developers like to use file_get_contents("http://example.com/") to get the API response because it's simple to...

   PHP,FILE_GET_CONTENTS,PHP-CGI     2018-11-09 21:35:00

  What surprise Google brings us in Nexus 5?

Because Nexus 4 performed well after release, many people are confident of the performance of the upcoming Nexus 5. It is manufactured by LG and equipped with attractive configurations. LG Nexus 5 will have Android 5 installed, as for hardware, it will have a 5.2 inch screen with a resolution of 1920x1080  Also the processor will be a 2.3GHz Quad-Core processor. The exciting part is it has a 4GB(Some says it's 3GB) memory which is larger than almost all current Android devices which have 2G...

   Nexus 5,Google,LG     2013-04-08 07:37:41

  That’s Not TDD

A few months ago I was visiting a client who was having a lot of problems using TDD. “It takes over half an hour to run our unit tests,” he said. “You are not doing TDD,” I said. “In order for tests to be valuable all of them must run fast—within a few seconds, or developers will stop running tests frequently.” “But how to I make them run fast?” he asked, “Just connecting to the database takes 30 seconds” So I showed him a techn...

   TDD,Driver,QA,Model,Uncontrol,Method     2011-08-25 02:26:29

  Android and Security

The last year has been a phenomenal one for the Android ecosystem. Device activations grew 250% year-on-year, and the total number of app downloads from Android Market topped 11 billion. As the platform continues to grow, we’re focused on bringing you the best new features and innovations - including in security.Adding a new layer to Android securityToday we’re revealing a service we’ve developed, codenamed Bouncer, which provides automated scanning of Android Market ...

   Android,Security,Android Apps,App market,Bouncer     2012-02-03 08:03:51

  4 types of programmers

Not every one who writes code is a programmer. Programmers are people who live with programming. There are 4 types of programmers: scientist, coder, expert and artisan.Scientist, they are more like mathematicians rather than programmers. They invented various theories, algorithms and terminologies. Proofs and calculations in textbooks are all from these people. Moreover other programmers more or less benefit from their work. Sometimes one paper published by them can change the way of thinking of...

   Programmer,Coder,Expert     2013-07-13 09:19:03

  Are NSA engineers better than engieers at Microsoft?

NSA is the US government department which takes care of the information and data security of US. It's said to be one of the largest of U.S. intelligence organizations in terms of personnel and budget. There are many excellent engineers working on information and data security and developing algorithms and software help US government to collect intelligence information from all around the world. Many people may be curious about whether NSA has better engineers than IT companies like Microsoft and...

   NSA,Microsoft     2014-01-09 07:24:43

  Programming: the benefits of taking a break

This post lists several benefits of taking a break during programming. You work smarter, not harder. Once, I worked really hard on a feature. For two weeks, 12 hours a day, I put in a lot of effort. After those two weeks, I took a break and came up with several ideas that made much of the work unnecessary.You think more clearly. Being tired has a similar effect as being drunk. At the end of a day, I often kid myself that I’ll just get this one thing finished quickly to have a fresh ...

   Programming,Tips,Break,Tired     2011-07-28 09:04:29

  Remote form submission

Remote form submission is way of submitting HTML forms from local to a particular remote server. This is used by many advertisers, spammers or even hackers to submit bad data to other websites in order to get what they want. They can write some automation scripts to help them do spamming. How can people do remote form submission and how to prevent this kind of attacks? Since a website can be accessed by almost every one, so one can save a local copy of a HTML form of a website through File->S...

   PHP,Security,Remote form submission     2013-07-14 01:04:49

  Build your own internet search engine - Part 2

After having started to build my own internet search engine as described in a previous blog post, I now have read some papers and books about web search engine architecture and information retrieval to complete my hobby project. Here is a list of papers and books that I highly recommend to anybody who is interested in this topic: 1. Google: data structures and algorithms by Petteri Huuhka 2. The Anatomy of a Large-Scale Hypertextual Web Search Engine by the Google founde...

   Search engine,Paper,Database,Data structure     2011-12-22 08:25:59

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