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Can iterators be reset in Python?

...ary data needs to be stored). In general, if one iterator uses most or all of the data before another iterator starts, it is faster to use list() instead of tee(). Basically, tee is designed for those situation where two (or more) clones of one iterator, while "getting out of sync" with ea...
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What is the most robust way to force a UIView to redraw?

...ouble with that, you're likely running into one of these issues: You're calling it before you actually have the data, or your -drawRect: is over-caching something. You're expecting the view to draw at the moment you call this method. There is intentionally no way to demand "draw right now this ver...
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A transport-level error has occurred when receiving results from the server [closed]

... Can you provide some details on what that actually does? Are there any reasons against setting such a value globally? – Drew Noakes Dec 5 '10 at 19:02 ...
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What really happens in a try { return x; } finally { x = null; } statement?

...L level you can't return from inside an exception-handled block. It essentially stores it in a variable and returns afterwards i.e. similar to: int tmp; try { tmp = ... } finally { ... } return tmp; for example (using reflector): static int Test() { try { return SomeNumber(); ...
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How to convert array values to lowercase in PHP?

How can I convert all values in an array to lowercase in PHP? 10 Answers 10 ...
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MongoDB SELECT COUNT GROUP BY

... I need some extra operation based on the result of aggregate function. Finally I've found some solution for aggregate function and the operation based on the result in MongoDB. I've a collection Request with field request, source, status, requestDate. Single Field Group By & Count: db.Request...
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Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly

...nces->Security and Privacy->General (You'll get a popup when you install VirtualBox). share | improve this answer | follow | ...
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C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网 - 专注IT技能提升

...endencies on MFC and can also be used in a console application. First of all to call a script it is important to know that VBScript and JScript deal only with VARIANT parameters. This is the reason I created the CSafeArrayHelper class. The CSafeArray helper wrapper class allows you to create param...
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C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网 - 专注IT技能提升

...endencies on MFC and can also be used in a console application. First of all to call a script it is important to know that VBScript and JScript deal only with VARIANT parameters. This is the reason I created the CSafeArrayHelper class. The CSafeArray helper wrapper class allows you to create param...
https://www.tsingfun.com/it/cp... 

C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网 - 专注IT技能提升

...endencies on MFC and can also be used in a console application. First of all to call a script it is important to know that VBScript and JScript deal only with VARIANT parameters. This is the reason I created the CSafeArrayHelper class. The CSafeArray helper wrapper class allows you to create param...