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Unix shell script find out which directory the script file resides?
...sing $BASH_SOURCE, and it returns what I needed. My script is being called from another script, and $0 returns . while $BASH_SOURCE returns the right subdirectory (in my case scripts).
– David Rissato Cruz
Dec 3 '15 at 16:28
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How can I multiply all items in a list together with Python?
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Python 3: use functools.reduce:
>>> from functools import reduce
>>> reduce(lambda x, y: x*y, [1,2,3,4,5,6])
720
Python 2: use reduce:
>>> reduce(lambda x, y: x*y, [1,2,3,4,5,6])
720
For compatible with 2 and 3 use pip install six, then:
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Launching an application (.EXE) from C#?
How can I launch an application using C#?
9 Answers
9
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OpenSSL and error in reading openssl.conf file
...indows you can also set the environment property OPENSSL_CONF. For example from the commandline you can type:
set OPENSSL_CONF=c:/libs/openssl-0.9.8k/openssl.cnf
to validate it you can type:
echo %OPENSSL_CONF%
You can also set it as part of the computer's environmental variables so all users ...
Understanding Node.js modules: multiple requires return the same object?
...the same directory) then both of them will receive the same instance of A. From the node.js documentation:
... every call to require('foo') will get exactly the same object returned, if it would resolve to the same file.
The situation is different when a.js, b.js and app.js are in different...
Should accessing SharedPreferences be done off the UI Thread?
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Wow, wasn't expecting to get such a clear answer straight from the source! Thanks much!
– cottonBallPaws
Dec 7 '10 at 1:50
9
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How to prevent ajax requests to follow redirects using jQuery
...he another level of abstraction or the network stack. For example the data from the XMLHttpRequest can be retrieved from the HTTP proxy or from the local browser cache, and it's the part of HTTP protocol. Mostly the server which provide the data and not the client can influence on caching.
You can ...
List submodules in a Git repository
...les enumerates each submodule path and the URL it refers to.
For example, from root of repository, cat .gitmodules will print contents to the screen (assuming you have cat).
Because .gitmodule files have the Git configuration format, you can use git config to parse those files:
git config --file ...
Is there a practical use for weak references? [duplicate]
... cache of a particular size and fine tune the cache size if necessary. Far from optimal if the program will run on lots of different configurations - in that case the tiered approach may be worth the additional complexities.
– Voo
Jan 9 '12 at 18:45
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How to skip over an element in .map()?
...;
}
return result;
}, []);
In that version, the code in the .filter() from the first sample is part of the .reduce() callback. The image source is only pushed onto the result array in the case where the filter operation would have kept it.
update — This question gets a lot of attention, and I...