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Correct way to use get_or_create?
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362
From the documentation get_or_create:
# get_or_create() a person with similar first names.
p...
Why do Objective-C files use the .m extension?
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edited Aug 15 '15 at 3:23
NSDeveloper
1,5621313 silver badges2121 bronze badges
answered Mar 16 '09...
Restart/undo conflict resolution in a single file
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348
Found the solution here: http://gitster.livejournal.com/43665.html
git checkout -m FILE
Thi...
GoTo Next Iteration in For Loop in java
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352
continue;
continue; key word would start the next iteration upon invocation
For Example
f...
How to write a JSON file in C#?
... times less memory than JavaScriptSerializer
Update since .Net Core 3.0
A new kid on the block since writing this is System.Text.Json which has been added to .Net Core 3.0. Microsoft makes several claims to how this is, now, better than Newtonsoft. Including that it is faster than Newtonsoft...
What does git push origin HEAD mean?
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HEAD points to the top of the current branch. git can obtain the branch name from that. So it's...
When should I use GC.SuppressFinalize()?
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301
SuppressFinalize should only be called by a class that has a finalizer. It's informing the Gar...
Is there any difference between DECIMAL and NUMERIC in SQL Server?
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edited Aug 23 '16 at 8:14
Marjan Venema
18.3k44 gold badges5959 silver badges7676 bronze badges
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How to make a flat list out of list of lists?
...e the timeit module in the standard library:
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' '[item for sublist in l for item in sublist]'
10000 loops, best of 3: 143 usec per loop
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' 'sum(l, [])'
1000 loops, best of 3: 969 usec per loo...