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cancelling queued performSelector:afterDelay calls
...selector(mySel:) withObject:nil afterDelay:5.0];
// cancel the above call (and any others on self)
[NSObject cancelPreviousPerformRequestsWithTarget:self];
See apple docs, it's right at the end of the performSelector:withObject:afterDelay: description.
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Set element width or height in Standards Mode
...set width or height of HTML element (ex. <div> ) in JavaScript in Standards Mode?
2 Answers
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Is there any way to kill a Thread?
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It is generally a bad pattern to kill a thread abruptly, in Python and in any language. Think of the following cases:
the thread is holding a critical resource that must be closed properly
the thread has created several other threads that must be killed as well.
The nice way of handling ...
How to add new item to hash
I'm new to Ruby and don't know how to add new item to already existing hash. For example, first I construct hash:
7 Answers...
String, StringBuffer, and StringBuilder
Please tell me a real time situation to compare String , StringBuffer , and StringBuilder ?
11 Answers
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How to run multiple DOS commands in parallel?
How to run multiple dos commands?
3 Answers
3
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NPM doesn't install module dependencies
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It looks like you hit a bug that has existed for quite a while and doesn't have solution yet. There are several open issues for this case in the npm repository:
npm install should recursively check/install dependencies https://github.com/npm/npm/issues/1341 (closed)
local private modul...
How do I determine k when using k-means clustering?
I've been studying about k-means clustering , and one thing that's not clear is how you choose the value of k. Is it just a matter of trial and error, or is there more to it?
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How can I tell which homebrew formulae are upgradable?
...found that the answer is:
brew outdated
brew help does not list the command, but it is documented in man brew.
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UITableViewHeaderFooterView: Unable to change background color
...olor will do)
When using XIB, make root view a UITableViewHeaderFooterView and associate the backgroundView programmatically:
Register with:
tableView.register(UINib(nibName: "View", bundle: nil),
forHeaderFooterViewReuseIdentifier: "header")
Load with:
override func tableVie...