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Define make variable at rule execution time
... tar -C $(TMP) cf $@ .
rm -rf $(TMP)
The eval function evaluates a string as if it had been typed into the makefile manually. In this case, it sets the TMP variable to the result of the shell function call.
edit (in response to comments):
To create a unique variable, you could do the follo...
How to use Python to login to a webpage and retrieve cookies for later usage?
... Is 'action': 'login' actually necessary in this example, or is it just an extra parameter that's sent with the request?
– Ted
Jun 26 '14 at 16:08
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How to convert linq results to HashSet or HashedSet
... frequently anonymous types come up in LINQ, I think it's worth taking the extra step.
– Jon Skeet
Aug 12 '10 at 21:06
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Inserting a text where cursor is using Javascript/jquery
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jsfiddle.net/NaHTw/802 is your solution with a little extra added to replace the selected area with what's pasted
– patrick
Dec 20 '15 at 1:07
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Which sort algorithm works best on mostly sorted data? [closed]
...hat the data is partially sorted before using it.
Its disadvantage is the extra space overhead of the splay tree structure it needs, as well as the time required to build and destroy the splay tree. But depending on the size of data and amount of pre-sortedness that you expect, the overhead may be...
How to use a filter in a controller?
...er by @pkozlowski.opensource is better than this because it reduces "magic strings". One benefit - what if this was in a much more complex controller and you failed to unit test the filter being used? You wouldn't notice the error if you use $filter('filtter1') (2 t's). However, if you inject filtte...
How to stop a goroutine
...ng items on the chan, you close it. Then inside your goroutine you get an extra parameter to the receive operator that shows whether the channel has been closed.
Here is a complete example (the waitgroup is used to make sure that the process continues until the goroutine completes):
package main
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Only mkdir if it does not exist [duplicate]
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One-liner requires an extra ;: if [ ! -d directory ]; then mkdir directory; fi
– sdgfsdh
Jun 13 '17 at 15:35
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The transaction log for the database is full
...og file and made it huge. Once the project is complete we then removed the extra log file.
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Why would I prefer using vector to deque
...l locality, then you might prefer vector. In addition, since there is some extra bookkeeping, other ops are probably (slightly) more expensive than their equivalent vector operations. On the other hand, using many/large instances of vector may lead to unnecessary heap fragmentation (slowing down cal...