大约有 42,000 项符合查询结果(耗时:0.0626秒) [XML]

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When to use self over $this?

In PHP 5, what is the difference between using self and $this ? 23 Answers 23 ...
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Difference between __str__ and __repr__?

What is the difference between __str__ and __repr__ in Python? 23 Answers 23 ...
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How to resolve “You need to have Ruby and Sass installed and in your PATH for this task to work” War

... Ok I got it. I just had to install Sass using gem install sass and now everything is fine...couldn't be easier. share | improve this answer | follow ...
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What is the purpose of .PHONY in a Makefile?

...e used to build files from other files. Make assumes its target is a file, and this makes writing Makefiles relatively easy: foo: bar create_one_from_the_other foo bar However, sometimes you want your Makefile to run commands that do not represent physical files in the file system. Good example...
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Test if remote TCP port is open from a shell script

I'm looking for a quick and simple method for properly testing if a given TCP port is open on a remote server, from inside a Shell script. ...
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Using the “final” modifier whenever applicable in Java [closed]

...eywords in your code, but pretty soon you'll stop noticing the word itself and will simply think, that-thing-will-never-change-from-this-point-on (you can take it from me ;-) I think it's good practice. I am not using it all the time, but when I can and it makes sense to label something final I'll ...
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Disable same origin policy in Chrome

... Close chrome (or chromium) and restart with the --disable-web-security argument. I just tested this and verified that I can access the contents of an iframe with src="http://google.com" embedded in a page served from "localhost" (tested under chromium ...
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Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]

I have got a 2.67   GHz Celeron processor, and 1.21   GB of RAM on a x86 Windows XP Professional machine. 77 Answer...
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What is difference between Errors and Exceptions? [duplicate]

How can I differentiate between Errors and Exceptions in Java? 4 Answers 4 ...
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How many threads is too many?

I am writing a server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads. ...