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Does a finally block always get executed in Java?
Considering this code, can I be absolutely sure that the finally block always executes, no matter what something() is?
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How to change the port of Tomcat from 8080 to 80?
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1) Go to conf folder in tomcat installation directory
e.g. C:\Tomcat 6.0\conf\
2) Edit following tag in server.xml file
<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"/>
3) Change the port=8080 value to por...
How do I set the time zone of MySQL?
...show a different datetime for existing timestamp columns as they are internally stored as UTC timestamps and externally displayed in the current MySQL timezone.
I made a cheatsheet here: Should MySQL have its timezone set to UTC?
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Why there is no ForEach extension method on IEnumerable?
...s done at runtime, ForEach() is at compile time (Big Plus!)
The syntax to call a delegate is indeed much simpler: objects.ForEach(DoSomething);
ForEach() could be chained: although evilness/usefulness of such a feature is open to discussion.
Those are all great points made by many people here and ...
C++模板-继承-具现化 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++模板-继承-具现化今天在学习effective c++中的第49个条款时，遇到一个模板继承的方法，让我打开眼界，感慨万千啊！具体的代码如下：class NewHandlerHolde 今天在学习effective c++中的第49个条款时，遇到一个模板继承的方法，让我...
如何判断GIF是否是动图 - C/C++ - 清泛网 - 专注C/C++及内核技术
...若是单图像会发现JFIF的标识，若为动图，则会出现GIF。charstrGIF[3];memcpy( strGIF, pbyImag...用记事本（或其他文本工具）打开图像文件，若是单图像会发现JFIF的标识，若为动图，则会出现GIF。
char strGIF[3];
memcpy( strGIF, pbyImageBuffe...
BMP 和 DIB - C/C++ - 清泛网 - 专注C/C++及内核技术
...位图在内存中有两种类型，即：设备相关位图（DDB：Device-independent bitmaps）和设备无关...现在我们常见到的.bmp图像，成为位图(Bitmap)。位图在内存中有两种类型，即：设备相关位图（DDB：Device-independent bitmaps）和设备无关位图（DI...
C++ template中typename和class的区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++ template中typename和class的区别历史原因，以前是用class，后来C++ Standard 出现后，引入了typename, 所以他们是一样的。但是，又有一些微妙的不同，因为有时候，你不得不使用typename。历史原因，以前是用class，后来C++ Standard 出现...
向CListView控件发LVN_COLUMNCLICK消息 - C/C++ - 清泛网 - 专注C/C++及内核技术
向CListView控件发LVN_COLUMNCLICK消息在窗体函数里向控件ListView发消息，让它根据指定列排序。WM_NOTIFY消息是控件发向窗体的，MFC窗体再向控件反射部分消息，让控件自己处理：...在窗体函数里向控件ListView发消息，让它根据指定列...
php array为空的判断 - C/C++ - 清泛网 - 专注C/C++及内核技术
...判断如何判断PHP数组是否为空PHP判断数组为空首选方法：count($arr),size($arr);$arr= array("");echo count($arr);echo size($arr); 输出1...如何判断PHP数组是否为空
PHP判断数组为空首选方法：count($arr), size($arr);
$arr= array("");
echo count($arr);
e...