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What is the difference between $(command) and `command` in shell programming?
...o for portability issues it is recommended to use backticks for non-nested calls. $(...) needs a recursive parser but this was not used with ksh86 that introduced the feature. Check in-ulm.de/~mascheck/various/cmd-subst for a list of correct implementations. A conforming shell needs to support all ...
Fragment over another fragment issue
...h is full screen with #77000000 background) over another fragment (let's call it main), my main fragment still reacts to clicks (we can click a button even if we don't see it).
...
How to wait for the 'end' of 'resize' event and only then perform an action?
...some cases, a longer time interval is needed to perform certain tasks in a callback. E.g. in my case, 250 didn't work, but 700 worked great.
– Maria Blair
Aug 8 '18 at 23:23
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How to hide keyboard in swift on pressing return key?
...ewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
self.myTextField.delegate = self
}
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
self.view.endEditing(true)
return false
}
}
Code source: http://ww...
How to display a specific user's commits in svn log?
...ove(logentry)
If you save the above as svnLogStripByAuthor.py, you could call it as:
svn log --xml other-options | svnLogStripByAuthor.py user
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Why is it bad style to `rescue Exception => e` in Ruby?
...logs and add to your code to deal with specific exception further down the call chain and in a more graceful manner.
Note also that there is another Ruby idiom which has much the same effect:
a = do_something rescue "something else"
In this line, if do_something raises an exception, it is caught...
How to schedule a task to run when shutting down windows
... Please note, that the argument /ec system does not exist, but it is called /ru system. see support.microsoft.com/en-us/kb/814596#bookmark-4
– t2d
May 4 '16 at 12:42
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ArrayBuffer to base64 encoded string
... I like this method better for conciseness, but get a "maximum call stack size exceeded error". The loop technique above gets around that.
– Jay
Sep 7 '12 at 12:26
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Regex to test if string begins with http:// or https://
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Just in case some nut accidentally uppercases the http, $regex = '/^(https?:\/\/)/i';
– jeffkee
Jan 8 '16 at 23:19
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Convert Iterator to ArrayList
...r purposes of this example, the iterator you already have is assumed to be called iterator.
– Stuart Marks
Apr 23 '18 at 17:46
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