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ConcurrentHashMap vs Synchronized HashMap
...dify it while another is iterating over it.
This article Java 7: HashMap vs ConcurrentHashMap is a very good read. Highly recommended.
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Visual Studio TFS shows unchanged files in the list of pending changes
...dant changes, then claims to undo them, I still see them as checked out in VS and in the Check In dialog, so it seems broken for me :/
– Mike Chamberlain
Jan 17 '13 at 6:14
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StringLength vs MaxLength attributes ASP.NET MVC with Entity Framework EF Code First
...'s also a MinLength attribute: msdn.microsoft.com/EN-US/library/gg696756(v=VS.110,d=hv.2).aspx
– Ian Griffiths
Jul 24 '14 at 6:30
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Double vs single quotes
...I'm trying to understand if there's a specific time when I should use "" vs '' .
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JavaScript function in href vs. onclick
... The one time I would advocate for putting the function call inline vs. having an onclick event for the link is if you are dynamically creating links within the page that will all call the same function but may not have unique ids. I have a webform where the user can add and remove items and ...
variable === undefined vs. typeof variable === “undefined”
...ms to be a chrome optimization only.
http://jsperf.com/type-of-undefined-vs-undefined/30
http://jsperf.com/type-of-undefined-vs-undefined
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Java: Integer equals vs. ==
...1 == r2.
Resources :
JLS - Boxing
On the same topic :
autoboxing vs manual boxing java
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HTTP redirect: 301 (permanent) vs. 302 (temporary)
...impact on search engines -
http://www.dotnetbull.com/2013/08/301-permanent-vs-302-temporary-status-code-aspnet-csharp-Implementation.html
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实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...个第三方的FastCGI进程管理器，它是作为PHP的一个补丁来开发的，在安装的时候也需要和PHP源码一起编译，也就是说PHP-FPM被编译到PHP内核中，因此在处理性能方面更加优秀；同时它在处理高并发方面也比spawn-fcgi引擎好很多，因此...
C++11 features in Visual Studio 2012
A preview version of Visual Studio 2012 (the next version after VS2010) is now available .
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