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How do I enumerate the properties of a JavaScript object? [duplicate]
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List comprehension: Returning two (or more) items for each item
Is it possible to return 2 (or more) items for each item in a list comprehension?
6 Answers
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How do I use a file grep comparison inside a bash if/else statement?
When our server comes up we need to check a file to see how the server is configured.
4 Answers
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汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...很有成就感的，试试看！那么――这个接下来呢？―― Here we go！（阅读时看不懂不要紧，下文必有分解）
因为汇编是通过CPU和内存跟硬件对话的，所以我们不得不先了解一下CPU和内存：（关于数的进制问题在此不提）
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How do I apply a perspective transform to a UIView?
I'm looking to perform a perspective transform on a UIView (such as seen in coverflow)
3 Answers
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Disable Automatic Reference Counting for Some Files
I have downloaded the iOS 5 SDK and found that ARC is a great feature of the new Apple compiler. For the time being, many third party frameworks don't support ARC. Could I use ARC for my new code and keep the current retain/release code unchanged? The ARC converter doesn't work here, because some fr...
Allow user to set up an SSH tunnel, but nothing else
I'd like to allow a user to set up an SSH tunnel to a particular machine on a particular port (say, 5000), but I want to restrict this user as much as possible. (Authentication will be with public/private keypair).
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How in node to split string by newline ('\n')?
How in node to split string by newline ('\n') ?
I have simple string like var a = "test.js\nagain.js" and I need to get ["test.js", "again.js"] .
I tried
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How can I save an image to the camera roll?
I am new to Xcode (using 4.3) and am not sure how to save an image to the device's camera roll. All that I have done so far is set up an IBAction for the button to save the image. What library method or function can I use to save an image to the user's camera roll?
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