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What is the difference between __init__ and __call__?
...hey were functions: pass them to other methods/functions and call them. In order to achieve this, the __call__ class function has to be specialized.
def __call__(self, [args ...])
It takes as an input a variable number of arguments. Assuming x being an instance of the Class X, x.__call__(1, 2)...
API Keys vs HTTP Authentication vs OAuth in a RESTful API
...EST APIs. Such direct mechanisms can be used in delegation uses cases.
In order to get access to a resource or a set of resources exposed by REST endpoints, it is needed to check the requestor privileges according to its identity. First step of the workflow is then verifying the identity by authent...
Server.Transfer Vs. Response.Redirect
... comment but this seems copied verbatim from developer.com/net/asp/article.php/3299641. If it is from another source you should at lease cite it.
– Johnno Nolan
Feb 25 '09 at 9:58
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Mark error in form using Bootstrap
I've started using Bootstrap in order to achieve a nice page design without resorting to GWT (the backend is made in java)
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Get the first element of each tuple in a list in Python [duplicate]
...mprehensions
For a discussion on why to prefer comprehensions over higher-order functions such as map, go to http://www.artima.com/weblogs/viewpost.jsp?thread=98196.
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When is “i += x” different from “i = i + x” in Python?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How is the undo tree used in Vim?
...rse all of the nodes in the tree in chronological or reverse-chronological order (which can be a bit confusing, because it can jump arbitrarily between undo branches, but if you do g- long enough you'll always get where you need to go eventually). :earlier and :later take a time descriptor like 7m ...
When should I use the Visitor Design Pattern? [closed]
...virtual void hereIsACat(Cat *c) = 0;
};
Then, we modify the hierarchy in order to accept new operations:
class Animal
{ public: virtual void letsDo(Operation *v) = 0; };
class Dog : public Animal
{ public: void letsDo(Operation *v); };
void Dog::letsDo(Operation *v)
{ v->hereIsADog(this); }
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How do I speed up the gwt compiler?
...ditional overhead from compile time.
Bottom line: you're not going to get order-of-magnitude increase in compiler performance, but taking several relaxations, you can shave off a few minutes here and there.
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菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...运行效果如下图：
（PS：不知道大家有没有碰到过这个问题,MENUINFO结构未定义，解决的方法是进入文件选项卡（FileView),在Source File文件下的StdAfx.cpp文件里的最前面部分添加这个语句：#define WINVER 0x0501）
设计弹出式菜单
CMen...