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What is the best regular expression to check if a string is a valid URL?
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I wrote my URL (actually IRI, internationalized) pattern to comply with RFC 3987 (http://www.faqs.org/rfcs/rfc3987.html). These are in PCRE syntax.
For absolute IRIs (internationalized):
/^[a-z](?:[-a-z0-9\+\.])*:(?:\/\/(?:(?:%[0-9a-f][0-9a-f]...
Design for Facebook authentication in an iOS app that also accesses a secured web service
Goal:
Allow a user to authentication with Facebook into an iOS application which requires access to a protected web service that I'm running.
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What's the best Django search app? [closed]
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Haystack has been badly, if at all, supported for quite some time. I recommend you avoid it at this point. Maybe they will fix it in the future but its in a bad place now.
– Aaron Schif
Jul 31 '13 at 15:21
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“/usr/bin/ld: cannot find -lz”
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I had the exact same error, and like you, installing zlib1g-dev did not fix it. Installing lib32z1-dev got me past it. I have a 64 bit system and it seems like it wanted the 32 bit library.
shar...
How can I detect when an Android application is running in the emulator?
...ment server automatically.) What is the best way to detect when an Android application is running in the emulator?
36 Answe...
How to use my view helpers in my ActionMailer views?
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I thought these were supposed to be automatically included in Rails 4? guides.rubyonrails.org/…
– gabeodess
Jan 28 '15 at 22:21
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switch case statement error: case expressions must be constant expression
...expressions must be constant expression, it is constant I don't know what happened. Here's my code below:
8 Answers
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windows版 svn 服务器搭建及总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的根路径也可以是单单一个文件夹。用该文件夹来管理所有的资源存储仓库。
svntest 很像一个文件夹 如下图，注意 红框，每个数据仓库都会包含自己的conf和db文件夹。
3.为svn分配用户权限
svn用户权限的配置可以到...
How can I use NSError in my iPhone App?
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Well, what I usually do is have my methods that could error-out at runtime take a reference to a NSError pointer. If something does indeed go wrong in that method, I can populate the NSError reference with error data and return nil from the ...
What is the difference between min SDK version/target SDK version vs. compile SDK version?
...e earliest release of the Android SDK that your application can run on. Usually this is because of a problem with the earlier APIs, lacking functionality, or some other behavioural issue.
The target sdk version is the version your application was targeted to run on. Ideally, this is because of some...