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What is in your Mathematica tool bag? [closed]
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I've m>me m>ntioned this before, but the tool I find most useful is an application of Reap and Sow which mimics/extends the behavior of GatherBy:
SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:=
Reap[Sow[g[#],{f[#...
Find unm>me m>rged Git branches?
I have a Git repository with many branches, som>me m> of them already m>me m>rged and som>me m> not. Since the number of branches is quite large, how can I determine which branches have not yet been m>me m>rged? I would like to avoid having to do an "octopus" m>me m>rge and re-m>me m>rging branches that have already been m>me m>rged....
Why does ConcurrentHashMap prevent null keys and values?
The JavaDoc of ConcurrentHashMap says this:
7 Answers
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AttributeError: 'datetim>me m>' module has no attribute 'strptim>me m>'
Here is my Transaction class:
3 Answers
3
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How do I unit test web api action m>me m>thod when it returns IHttpActionResult?
Let's assum>me m> this is my action m>me m>thod
6 Answers
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How do I make a dotted/dashed line in Android?
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show 7 more comm>me m>nts
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Initializing a struct to 0
... first is easiest(involves less typing), and it is guaranteed to work, all m>me m>mbers will be set to 0[Ref 1].
The second is more readable.
The choice depends on user preference or the one which your coding standard mandates.
[Ref 1] Reference C99 Standard 6.7.8.21:
If there are fewer in...
How to get a float result by dividing two integer values using T-SQL?
... you're looking for a constant. If you need to use existing fields or param>me m>ters which are integers, you can cast them to be floats first:
SELECT CAST(1 AS float) / CAST(3 AS float)
or
SELECT CAST(MyIntField1 AS float) / CAST(MyIntField2 AS float)
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Export a stash to another computer
...Note that the system won't let the OP mark an answer as "accepted" until som>me m> tim>me m> (15 minutes, I think) has elapsed from the tim>me m> the question was asked.
– Greg Hewgill
Oct 19 '10 at 21:58
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Test if a variable is set in bash when using “set -o nounset”
...ends up being an empty string if WHATEVER is not set. We're using the {param>me m>ter:-word} expansion, which you can look up in man bash under "Param>me m>ter Expansion".
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