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Test whether string is a valid integer
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11 Answers
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How do i put a border on my grid in WPF?
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215
If you just want an outer border, the easiest way is to put it in a Border control:
<Border...
How to produce a range with step n in bash? (generate a sequence of numbers with increments)
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201
I'd do
for i in `seq 0 2 10`; do echo $i; done
(though of course seq 0 2 10 will produce the ...
How to change colors of a Drawable in Android?
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21 Answers
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How to change height of grouped UITableView header?
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10 Answers
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Eclipse, regular expression search and replace
...'th capture group.
So:
search: (\w+\.someMethod\(\))
replace: ((TypeName)$1)
Hint: CTRL + Space in the textboxes gives you all kinds of suggestions for regular expression writing.
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String comparison using '==' vs. 'strcmp()'
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13 Answers
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Append an object to a list in R in amortized constant time, O(1)?
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17 Answers
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Difference between pre-increment and post-increment in a loop?
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a++ is known as postfix.
add 1 to a, returns the old value.
++a is known as prefix.
add 1 to a, returns the new value.
C#:
string[] items = {"a","b","c","d"};
int i = 0;
foreach (string item in items)
{
Console.WriteLine(++i);
}
Console.WriteLin...