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In MySQL, how to copy the content of one table to another table within the same database?
...edited Feb 20 '15 at 7:23
Rizier123
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Which letter of the English alphabet takes up most pixels?
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Further to Ned Batchelder's awesomely practical answer, because I came here wondering about di...
How to fix “containing working copy admin area is missing” in SVN?
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fwiw, I had a similar situation and used svn --force delete __dir__. That solved the issue for...
Why do all browsers' user agents start with “Mozilla/”?
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It is a long and sad story.
In summary:
Mozilla browser gets released, with User-Agent Mozil...
What is the purpose of class methods?
... Brandon RhodesBrandon Rhodes
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What does Maven do, in theory and in practice? When is it worth to use it? [closed]
...uter but not on another one (this is a known issue, we have VMs of Windows 98 machines since we couldn't get some of our Delphi applications compiling anywhere else). Because of this, it is also the best way to work on a project between people who use different IDEs since IDE-generated Ant scripts a...
Colspan all columns
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Mark AmeryMark Amery
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Filtering a list based on a list of booleans
...i for (i, v) in zip(list_a, fil) if v] #winner
100000 loops, best of 3: 1.98 us per loop
>>> list_a = [1, 2, 4, 6]*100
>>> fil = [True, False, True, False]*100
>>> %timeit list(compress(list_a, fil)) #winner
10000 loops, best of 3: 24.3 us per loop
>>&...
Cannot add or update a child row: a foreign key constraint fails
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It means that you're trying to insert into table2 a UserID value that doesn't exist in table1....
Is it possible to send an array with the Postman Chrome extension?
...lication/json in Headers tab.
Here is example for raw data {"user_ids": ["123" "233"]}, don't forget the quotes!
If you are using the postman REST client you have to use the method I described above because passing data as raw (json) won't work. There is a bug in the postman REST client (At least...