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What is a Manifest in Scala and when do you need it?
Since Scala 2.7.2 there is something called Manifest which is a workaround for Java's type erasure. But how does Manifest work exactly and why / when do you need to use it?
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Remove non-numeric characters (except periods and commas) from a string
If I have the following values:
5 Answers
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Making an iframe responsive
I was reading this stackoverflow post titled "Can you make an iFrame responsive?", and one of the comments/answers led me to this jfiddle.
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How to handle Objective-C protocols that contain properties?
I've seen usage of Objective-C protocols get used in a fashion such as the following:
6 Answers
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Placeholder in UITextView
My application uses an UITextView . Now I want the UITextView to have a placeholder similar to the one you can set for an UITextField .
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MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...省去频繁切换窗口的动作。
如果你想这么做，有一个API可以实现： SetWindowPos，声明是这样的:：
Private Declare Function SetWindowPos Lib "user32" Alias "SetWindowPos" (ByVal hwnd As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal y As Long, ByVal...
What is NSZombie?
I've seen suggestions saying to set NSZombieEnabled to true while debugging. What is NSZombie? Is it a framework? A setting?
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Check if a table exists in Rails
I have a rake task that won't work unless a table exists. I'm working with more than 20 engineers on a website so I want to make sure they have migrated the table before they can do a rake task which will populate that respective table.
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Rolling back a remote Git repository
I have a remote Git repository, and I need to roll back the last n commits into cold oblivion.
4 Answers
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Segmentation fault on large array sizes
The following code gives me a segmentation fault when run on a 2Gb machine, but works on a 4GB machine.
5 Answers
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