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Java FileOutputStream Create File if not exists
...condition is redundant. According to JavaDoc, createNewFile() itself atomically checks the existence of the file.
– aztek
Oct 2 '12 at 10:11
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setState vs replaceState in React.js
...ows out the current state, and replaces it with only what you provide. Usually setState is used unless you really need to remove keys for some reason; but setting them to false/null is usually a more explicit tactic.
While it's possible it could change; replaceState currently uses the object passe...
Where does System.Diagnostics.Debug.Write output appear?
...ugView window. However, I cannot see either of the System.Diagnostics.* calls. Why is that?
8 Answers
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sh: 0: getcwd() failed: No such file or directory on cited drive
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This error is usually caused by running a command from a directory that no longer exist.
Try changing your directory and re-run the command.
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How do you run your own code alongside Tkinter's event loop?
...tion for the after method:
def after(self, ms, func=None, *args):
"""Call function once after given time.
MS specifies the time in milliseconds. FUNC gives the
function which shall be called. Additional parameters
are given as parameters to the function call. Return
identifier...
Table row and column number in jQuery
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Off the top of my head, one way would be to grab all previous elements and count them.
$('td').click(function(){
var colIndex = $(this).prevAll().length;
var rowIndex = $(this).parent('tr').prevAll().length;
});
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Go to Matching Brace in Visual Studio?
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This was useful for me because it wasn't set for me at all in VS 2017.
– Mmm
Dec 13 '18 at 23:54
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Java - Convert integer to string [duplicate]
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they are practically the same (the last one invokes the first one, and the 2nd one is compiled to the first one). I prefer the 1st one
– Bozho
Jun 3 '13 at 9:39
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LINQ with groupby and count
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After calling GroupBy, you get a series of groups IEnumerable<Grouping>, where each Grouping itself exposes the Key used to create the group and also is an IEnumerable<T> of whatever items are in your original data set. ...
Java 8 forEach with index [duplicate]
... way to build a forEach method in Java 8 that iterates with an index? Ideally I'd like something like this:
3 Answers
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