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What is the reason for having '//' in Python? [duplicate]
...division, and added the // operator to do integer division (i.e. quotient without remainder); whereas in Python 2, the / operator was simply integer division, unless one of the operands was already a floating point number.
In Python 2.X:
>>> 10/3
3
>>> # to get a floating point n...
Replace a newline in TSQL
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edited Apr 4 '11 at 3:36
answered Jun 4 '09 at 16:41
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How to delete duplicate lines in a file without sorting it in Unix?
...d in seen then !seen[$0] will evaluate to false and the line will not be written to the output.
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Detecting WPF Validation Errors
...pful. Thanks to all who contributed. Here is a LINQ version that you will either love or hate.
private void CanExecute(object sender, CanExecuteRoutedEventArgs e)
{
e.CanExecute = IsValid(sender as DependencyObject);
}
private bool IsValid(DependencyObject obj)
{
// The dependency object i...
How to get time difference in minutes in PHP
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edited Sep 21 '16 at 7:06
Noman
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Do we still need end slashes in HTML5?
... must not be specified for void elements.
W3C | WHATWG
That being said it's not strict parsing in HTML5 so it won't do any major harm.
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How to exclude certain directories/files from git grep search
...s there a way to exclude certain paths/directories/files when searching a git repository using git grep ? Something similar to the --exclude option in the normal grep command?
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SELECT INTO Variable in MySQL DECLARE causes syntax error?
...nothervalue = 1;
However, if you put that same query in MySql Workbench, it will throw a syntax error. I don't know why they would be different, but they are. To work around the problem in MySql Workbench, you can rewrite the query like this:
SELECT @myvar:=myvalue
FROM mytable
WHERE anothervalue...
WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
Could someone give me some guidance on when I should use WITH (NOLOCK) as opposed to SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
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How to recursively find the latest modified file in a directory?
It seems that ls doesn't sort the files correctly when doing a recursive call:
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