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String concatenation does not work in SQLite
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answered Aug 25 '10 at 17:54
codaddictcodaddict
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#if Not Debug in c#?
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Rob Hruska
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answered Aug 30 '11 at 16:26
CodeNakedCod...
How to do scanf for single char in C [duplicate]
...odeJohn Bode
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.trim() in JavaScript not working in IE
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edited Jul 26 '10 at 6:58
answered Feb 22 '10 at 0:44
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How do I show a Save As dialog in WPF?
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202
Both answers thus far link to the Silverlight SaveFileDialogclass; the WPF variant is quite a b...
Python argparse mutual exclusive group
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106
add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options ...
How to use background thread in swift?
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Swift 3.0+
A lot has been modernized in Swift 3.0. Running something on the background thread looks like this:
DispatchQueue.global(qos: .background).async {
print("This is run on the background queue")
DispatchQueue.main....
How can I configure NetBeans to insert tabs instead of a bunch of spaces?
...the Formatting category.
These menu items remain valid as of NetBeans 8.0.
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What does $(function() {} ); do?
...Nathan Arthur
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answered Oct 4 '11 at 1:38
cwharriscwharris
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Why is my program slow when looping over exactly 8192 elements?
...for(i=1;i<SIZE-1;i++)
for(j=1;j<SIZE-1;j++) {
res[j][i]=0;
for(k=-1;k<2;k++)
for(l=-1;l<2;l++)
res[j][i] += img[j+l][i+k];
res[j][i] /= 9;
}
First notice that the two inner loops are trivial. They can be unrolled as follows:
f...