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.keyCode vs. .which
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@anne-van-rossum, event.wich == null && ... test for null or undefined only. your event.wich || ... test for falsy (undefined, null, false, 0, '', etc)
– aMarCruz
May 22 '15 at 11:54
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How can I test what my readme.md file will look like before committing to github?
...ing a readme for my github project in the .md format. Is there a way can I test what my readme.md file will look like before committing to github?
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Undefined reference to pthread_create in Linux
...sing the following command (suppose the c file I want to compile is called test.c):
gcc -o test test.c -pthread
Hope it helps somebody!
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follo...
Batch file include external file for variables
...ollowing a.bat:
@echo off
call b.bat
echo %MYVAR%
and b.bat:
set MYVAR=test
Running a.bat should generate output:
test
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How to run a shell script at startup
...c/rc.d/
ln -s /etc/init.d/start_my_app /etc/rc.d/
Please note that on latest Debian, this will not work as your script have to be LSB compliant (provide, at least, the following actions: start, stop, restart, force-reload, and status):
https://wiki.debian.org/LSBInitScripts
As a note, you should...
Calling pylab.savefig without display in ipython
...n and matplotlib.pylab in this regard. But, when I call pylab.savefig("test.png") the current figure get's displayed in addition to being saved in test.png . When automating the creation of a large set of plot files, this is often undesirable. Or in the situation that an intermediate file for ...
Deleting folders in python recursively
... os.chmod(name, stat.S_IWRITE)
os.remove(name)
if os.path.exists("test/qt_env"):
shutil.rmtree('test/qt_env',onerror=del_evenReadonly)
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Why does Python code run faster in a function?
...to PyPy, up to the current version (1.8 at the time of this writing.) The test code from the OP runs about four times slower in global scope compared to inside a function.
– GDorn
Jun 28 '12 at 17:17
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How to test if string exists in file with Bash?
... it is therefore advisable, for the sake of portability, to use logic that tests for this general condition instead of strict equality with 2.
To suppress the normal output from grep, you can redirect it to /dev/null. Note that standard error remains undirected, so any error messages that grep migh...
Update a record without first querying?
...he database using the context of the datastore. Example:
dataEntity.ExecuteStoreCommand
("UPDATE items SET itemstatus = 'some status' WHERE id = 123 ");
For performance reasons, you may want to pass in variables instead of a single hard coded SQL string. This will allow SQL Server to cache t...