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Read 10 new books from O'Reilly for free
Recently O'Reilly provided free access to some books. Some of them are even in early release status. Here we recommend 10 of them. 1ã€Mastering Perl 2ã€Git Pocket Guide 3ã€Vagrant: Up and Running 4ã€High Performance Browser Networking 5ã€802.11ac: A Survival Guide 6ã€Test-Driven Development with Python 7ã€Interactive Data Visualization for the Web 8ã€HTML5 Canvas 9ã€Programming JavaScript Applications 10ã€Agile Data Source : http://linu...
O'Reilly,Free book,Early release 2013-07-03 07:56:20
Ways to make elements in HTML center aligned horizontally
In our daily HTML design, it is an easy job to horizontally center align an element with known width. <div class="element">I am<a href="http://www.aiubug.com" target="_blank" rel="external" title=""> bug </a>ï¼</div> .element{width:960px;margin:0 auto;} The above codes set the width of the div block and horizontally center align it. It's very easy to implement. However, if we have some elements we don;t know their width and we still want to...
HTML,CSS,Center align,Unknown width 2012-07-11 12:55:00
10 reasons why Dart is cooler than JavaScript
Dart is a new programming language from Google and after coding JavaScript for over one year now, I immediately felt in love with it. Coming from the Java world I had a good bunch of things I had to learn before I could use JavaScript. Some people say, you need to dig deep into JavaScript, otherwise you are not allowed to speak about the pros and cons of a language. I am not a JavaScript Ninja. But I strongly believe a programming language should be easy to learn, easy to understand and s...
Dart,JavaScript,Comparison 2012-01-05 08:23:21
Using Java keytool programmatically
Java provides a command line tool to access and operate different keystore which store keys and certificates. This tool is named keytool and is located at \bin. On command line, you can issue below command to generate a keystore named mytest.jks which contains a private key and certificate chain. keytool -genkeypair -alias mykey -keyalg RSA -sigalg SHA256withRSA -dname CN=Java -storetype JKS -keypass password -keystore mytest.jks -storepass password Sometimes, in testing purpose, w...
If Multitasking Is Impossible, Why Are Some People So Good at It?
"Multitasking means screwing up several things at once," somebody once said, wrongly. In fact, we don't do many things at once, ever. We do many things in quick succession. And some of us are very good at it.Nagy-Bagoly Arpad/ShutterstockEverybody multitasks. We have conversations while driving. We answer email while browsing the Web. It's hard to imagine living any other way. What would be the alternative, removing the seats from your car to ensure you only drive alone? Block every website not ...
Multitasking,Human,Program,Task switch,Myth 2011-11-18 09:03:22
C++ Without Fear: Functions
A function is a group of related statements that accomplish a specific task. Understanding functions is a crucial step to programming in C++, as Brian Overland explains in this chapter from his book.The most fundamental building block in the programming toolkit is the function—often known as procedure or subroutinein other languages. A function is a group of related statements that accomplish a specific task. Once you define a function, you can execute it whenever you need ...
C++,Feature,Function,Elaboration,Fear 2011-09-03 11:03:11
This Is Why Your Website Is Slow
Click for a larger image Ghostery, the browser plugin that allows its users to "track the trackers," just released data on the tags, widgets and analytics on websites that are the worst in terms of slowing page loads to a crawl. Update: Ghostery discovered an error in their original data set. It appears that Millenial Media was not on this year's list at all, and the #2 slot belonged to AdFunky. Both the text and the graph above have been changed to reflect this. Any webmaster worth his or he...
Web application,Performance,Slow,Reason,Lagtag 2011-11-30 11:45:25
How regular expression works
Rob Pike wrote 30 lines of codes to realize a simple regular expression matcher in his book The practice of Programming. This piece of code is really cool. Let's take a look at the code.Meaning of different characters.Character Meaning c General character . Match any single character ^ Match start of a string $ Match end of a string * Match zero or many occurrences of a character /*match :Test the regexp in text*/int match(char* regexp,char* text){ if(regexp[0] == '^')&n...
Regular expression,Implementation,Rob Pike,C 2012-06-25 05:23:41
On Programming Deadlines
There are a lot of differences between programming, and programming professionally. The most notorious of which, is deadlines.DeadlinesWhen you're writing code for yourself, you can spend as much (or as little time) on it as you please--but when you're writing code for other people, you've got only a limited amount of time and resources to get the job done. In my experience, this typically leads to one of two situations:You've got to extend the deadline to finish the job properly.You've got to w...
Programming,Deadline,Transparent,Test,TODO 2011-11-01 07:10:21
25 worst passwords in 2012
Weak password is a serious security vulnerability, but the majority of network users still use some universal simple character sequences as the password. SplashData recently announced the world's worst password list in 2012. "password","123456" and "12345678" are still at top places, while others have varying, some new passwords like "welcome" "Jesus" "ninja","mustang"and "password1 "are in the list. With the risk of password loss, SplashData CEO Morgan Slain said we hoped netw...
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