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Repeat string to certain length
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Jason Scheirer's answer is correct but could use some more exposition.
First off, to repeat a string an integer number of times, you can use overloaded multiplication:
>>> 'abc' * 7
'abcabcabcabcabcabcabc'
So, to repeat a string until it's at least as long as the le...
appending array to FormData and send via AJAX
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266
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Cosine Similarity between 2 Number Lists
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77
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What is the purpose of the var keyword and when should I use it (or omit it)?
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751
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Django filter queryset __in for *every* item in list
... comments, to add .filter() for each category. Each additional filter adds more joins, which should not be a problem for small set of categories.
There is the aggregation approach. This query would be shorter and perhaps quicker for a large set of categories.
You also have the option of using cust...
Vim clear last search highlighting
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703
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zsh compinit: insecure directories
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333
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Exit single-user mode
...er id, filter by the database name. Post an image of the error to help us more. Good luck.
– CRAFTY DBA
Sep 23 '13 at 18:53
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No ConcurrentList in .Net 4.0?
...mentation had some problems, which I won't get into here. Let me tell you, more importantly, what I learned.
Firstly, there's no way you're going to get a full implementation of IList<T> that is lockless and thread-safe. In particular, random insertions and removals are not going to work, unl...
Checking network connection
...on, the DNS lookup itself may block the call to urllib_request.urlopen for more than a second. Thanks to @rzetterberg for pointing this out.
If the fixed IP address above is not working, you can find a current IP address for google.com (on unix) by running
% dig google.com +trace
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google.co...