大约有 42,000 项符合查询结果(耗时:0.0617秒) [XML]

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Use RSA private key to generate public key?

I don't really understand this one: 9 Answers 9 ...
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What is causing “Unable to allocate memory for pool” in PHP?

...like Wordpress, but never encountered "Unable to allocate memory for pool" and having trouble tracking down any information. ...
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Folder is locked and I can't unlock it

... Right click on your Subversion working directory folder, and select TortoiseSVN->Clean Up from the Context Menu. This will recurse it's way through your working directory and cleanup any incomplete actions, remove the local locks (which is different from using Subversion locking...
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Separation of business logic and data access in django

I am writing a project in Django and I see that 80% of the code is in the file models.py . This code is confusing and, after a certain time, I cease to understand what is really happening. ...
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Is there a C++ gdb GUI for Linux? [closed]

... with the raw power of the Visual Studio debugger. It's just too powerful, and it's just too well integrated inside the IDE. For a Linux alternative, try DDD if free software is your thing. share | ...
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How to benchmark efficiency of PHP script

... If you actually want to benchmark real world code, use tools like Xdebug and XHProf. Xdebug is great for when you're working in dev/staging, and XHProf is a great tool for production and it's safe to run it there (as long as you read the instructions). The results of any one single page load aren...
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Set value of hidden field in a form using jQuery's “.val()” doesn't work

... make sure yours are as this may contribute to any problems you're having, and specifying a more complicated selector just slows things down and doesn't look as neat. Example at http://jsbin.com/elovo/edit, using your example code at http://jsbin.com/elovo/2/edit ...
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Switch statement: must default be the last case?

... The C99 standard is not explicit about this, but taking all facts together, it is perfectly valid. A case and default label are equivalent to a goto label. See 6.8.1 Labeled statements. Especially interesting is 6.8.1.4, which enables...
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Is there any difference between GROUP BY and DISTINCT

...the SQL Server is smart enough to realize that if you are using "Group By" and not using any aggregate functions, then what you actually mean is "Distinct" - and therefore it generates an execution plan as if you'd simply used "Distinct." However, I think it's important to note Hank's response as w...
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Is there any way to ignore INSTALL_FAILED_VERSION_DOWNGRADE on application install with the Android

It seems like the most recent Android 4.2 has introduced this error condition on installation when one attempts to install an APK with a lower version. In prior versions of Android, one would be able to install older APK's simply via adb install -r <link to APK> . For debugging purposes, I f...