大约有 45,000 项符合查询结果(耗时:0.1155秒) [XML]

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What's so wrong about using GC.Collect()?

Although I do understand the serious implications of playing with this function (or at least that's what I think), I fail to see why it's becoming one of these things that respectable programmers wouldn't ever use, even those who don't even know what it is for. ...
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How to detect when cancel is clicked on file input?

... While not a direct solution, and also bad in that it only (as far as I've tested) works with onfocus (requiring a pretty limiting event blocking) you can achieve it with the following: document.body.onfocus = function(){ /*rock it*/ } What's nice abou...
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What is the difference between Reader and InputStream?

What is the difference between Reader and InputStream? And when to use what? If I can use Reader for reading characters why I will use inputstream, I guess to read objects? ...
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How to concatenate two numbers in javascript?

... Ok so, suposing the values 5 and 6 are in two variables: var1 = 5; var2 = 6; will it still work – Heidi Nov 12 '09 at 17:03 4 ...
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How to “return an object” in C++?

...t of the problem (I know the difference between having things on the stack and putting them on the heap). 8 Answers ...
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What is a callback function?

...allback function is a function which is: accessible by another function, and is invoked after the first function if that first function completes A nice way of imagining how a callback function works is that it is a function that is "called at the back" of the function it is passed into. Maybe ...
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How to export a Vagrant virtual machine to transfer it

I have a vagrant box up and running (configured with a LAMP stack). I need to transfer it to another PC. How can I export it? I guess that I can get a file (or files) that can be copied to another PC, so there I can run some command to import the vagrant box. ...
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How to clear the canvas for redrawing

After experimenting with composite operations and drawing images on the canvas I'm now trying to remove images and compositing. How do I do this? ...
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Best introduction to C++ template metaprogramming? [closed]

...tatic Metaprogramming in C++" from Generative Programming, Methods, Tools, and Applications by Krzysztof Czarnecki and Ulrich W. Eisenecker, ISBN-13: 9780201309775; and chapter 17, "Metaprograms" of C++ Templates: The Complete Guide by David Vandevoorder and Nicolai M. Josuttis, ISBN-13: 97802017348...
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How to convert existing non-empty directory into a Git working directory and push files to a remote

... Given you've set up a git daemon on <url> and an empty repository: cd <localdir> git init git add . git commit -m 'message' git remote add origin <url> git push -u origin master ...