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Bytecode features not available in the Java language

... makes it able to exploit this "feature" in Java versions before 6: class Foo { public String s; public Foo() { System.out.println(s); } } class Bar extends Foo { public Bar() { this(s = "Hello World!"); } private Bar(String helper) { super(); } } This way, a field coul...
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Using the field of an object as a generic Dictionary key

...s true), that they have the same hash-code. For example, you might "return FooID;" as the GetHashCode() if you want that as the match. You can also implement IEquatable<Foo>, but that is optional: class Foo : IEquatable<Foo> { public string Name { get; set;} public int FooID {ge...
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How to get a JavaScript object's class?

...onstructor func.prototype, proto.isPrototypeOf A few examples: function Foo() {} var foo = new Foo(); typeof Foo; // == "function" typeof foo; // == "object" foo instanceof Foo; // == true foo.constructor.name; // == "Foo" Foo.name // == "Foo" F...
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Class method differences in Python: bound, unbound and static

...descriptor system. Imagine the following class: class C(object): def foo(self): pass Now let's have a look at that class in the shell: >>> C.foo <unbound method C.foo> >>> C.__dict__['foo'] <function foo at 0x17d05b0> As you can see if you access the ...
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国际 C 语言混乱代码大赛结果 - 创意 - 清泛网 - 专注C/C++及内核技术

...码大赛结果《你见过或写过的最复杂的 C 语言程序是?》这个帖子中的指针,对部分童鞋来说够烧脑子了。觉着不过瘾的朋友,继续来看看本文。第 24 届国际 C 语言混乱代码大赛结果出炉了,之前两位常在该比赛中拿奖的童鞋...
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程序员爱情观 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术

...常量限定,永远不会改变;女朋友就是私有变量,只有我这个类才调用;情人就是指针用的时候一定要注意,要不然就带来巨大的灾难。 C++程序员看不起C 程序员, C 程序员看不起java程序员, java程序员看不起C#程序员,C#...
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半个汉字的校验与处理(C++) - C/C++ - 清泛网 - 专注C/C++及内核技术

...就会导致xml解析失败,或者sql执行错误的异常。为了解决这个问题,有必要找到并删除半个汉字,或者存放的时候,即便截断,也不产生新的半个汉字。 以下是我近期对半个汉字的处理,C++代码如下: // strSrc: 原始字符串 ...
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NSIS内置路径命令详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...istrator\Application Data\Microsoft\Internet Explorer\Quick Launch位置!这个位置极少用到。 $COMMONFILES=C:\Program Files\Common Files $DOCUMENTS=我的文档! $SENDTO=【发送到】菜单;如:C:\Documents and Settings\Administrator\SendTo $RECENT=相对应用户名称的...
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stdbool.h C99标准杂谈 - C/C++ - 清泛网 - 专注C/C++及内核技术

...Bool 但是很遗憾,Visual C++不支持C99,至少现在来看是没这个计划(参见http://en.wikipedia.org/wiki/C99)。所以stdbool.h就不在vc里面用: http://msdn.microsoft.com/en-us/library/02y9a5ye.aspx Microsoft C conforms to the standard for the C language as set forth in ...
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error C2440: “初始化”: 无法从“const int”转换为“int &” - C/C++ - ...

...果允许的话,那么可以通过非const引用修改const原对象,这个出现一个矛盾,因此c++不允许执行此操作。解决方法就是使用非const引用绑定到同类型的非const对象,使用const引用绑定到不同但相关的类型的对象或者右值。 转换 丢...