It’s been a long time since my last blog post. Here is my recent one on Medium: ProvenLogs is a simple yet performant logging service built…
I just wrote my first Atom extension called file-header. It allows you to customize, add, update and cooperate your authoring information in header…
I came across a problem on leetcode a few days ago. It asked me to implement a simple regex (regular expression) matcher which supports both . and *…
在Wordpress 3.3.2中，如果设置了Permalink (not selecting default in Settings->Permalinks->Common Settings)，当用户搜索的时候，原本index.php?s=THINGS_YOU_WANT_TO_SEARCH的GET请求形式（如Figure 1）会变成search/THINGS_YOU_WANT_TO_SEARCH（如Figure 2)。这样能够使URL变得更加富含语意(semantic)。但是，当THINGS_YOU_WANT_TO_SEARCH中包含特殊字符，如#, ?，或者其他语言，如中文，的时候，问题就来了：使用前面非Permalink的搜索GET请求可以正常搜索，而使用后面Permalink形式的搜索GET请求则不能够进行搜索， Continue reading...
An Alfred extension to make Skype phone call to the phone number selected by Alfred’s Address Book feature. If the Skype hasn’t been opened yet, this extension will open it and ensure it is online before starting the phone call. When making a phone call, this extension won’t change your Skype online status, and no Continue reading...
NASA’s Spitzer Space Telescope has, for the first time, detected tiny quartz-like crystals sprinkled in young planetary systems. The crystals, which are types of silica minerals called cristobalite and tridymite, can be seen close-up in the black-and-white insets (cristobalite is on the left, and tridymite on the right). The main picture is an artist’s concept Continue reading...
Bug is a very disgusting thing in Computer Science. In one of my subjects project, I was required to write a Hearts card game robot player. I spent several hours finished the code, but it took me 2 days to debug it. :-(. A tiny bug found in the debugging process took me a whole Continue reading...
Cities are an important testing ground for green technologies because urbanization is accelerating rapidly. More than half of the world’s population now lives in cities–and most population growth in coming decades will happen there, mostly in developing countries. Will cities of the future look like Beijing, pictured here? read all texts about Cities go green Continue reading...
Finally, I managed to compile a gtk + cairo GUI program by using mingw GNU make and eclipse CDT under Windows XP. Continue reading...
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Emacs入门指南(1) Emacs入门指南(2) Emacs入门指南(3) Continue reading...
I have tried to run this with both eclipse(CDT)+MinGW and Cygwin+GCC [code lang=”c”] int main() { puts("The range of "); printf("tlong double is [%Le, %Le]∪[%Le, %Le]n", -LDBL_MAX, -LDBL_MIN, LDBL_MIN, LDBL_MAX); return EXIT_SUCCESS; } [/code] but got different results: In eclipse(CDT)+MinGW The range of long double is [-1.#QNAN0e+000, 3.237810e-319]∪[6.953674e-310, 0.000000e+000] In Cygwin+GCC The range of long Continue reading...
Today, when I was reviewing the session part of PHP, I suddenly came out a question: how to make PHP to append session ID(SID) to your page links automatically when cookies are forbidden in that browser? I managed to do this in JSP, but not sure whether the PHP can also handle this problem. I Continue reading...