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Are global variables bad? [closed]
...t passing around a pointer. I'd say that the rule isn't just clarity, but testability too - and using a non-global tends to make things much easier to test.
– UKMonkey
Jun 6 '18 at 13:52
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How to count the number of files in a directory using Python
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os.listdir() will be slightly more efficient than using glob.glob. To test if a filename is an ordinary file (and not a directory or other entity), use os.path.isfile():
import os, os.path
# simple version for working with CWD
print len([name for name in os.listdir('.') if os.path.isfile(name...
How to make a div with no content have a width?
...e content of the div will take no room but will force the div to display
.test1::before{
content: "\200B";
}
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How to check 'undefined' value in jQuery
...ks because val always exists (it's a function argument).
If you wanted to test an arbitrary variable that is not an argument, i.e. might not be defined at all, you'd have to use if(typeof val === 'undefined') to avoid an exception in case val didn't exist.
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Get first day of week in SQL Server
...collected all the answers provided so far and ran them through two sets of tests - one cheap and one expensive. I measured client statistics because I don't see I/O or memory playing a part in the performance here (though those may come into play depending on how the function is used). In my tests t...
In Unix, can I run 'make' in a directory without cd'ing to that directory first?
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makefile:
all:
gcc -Wall -Wpedantic -std=gnu99 -g src/test.c -o build/test
run:
./build/test
or
run:
./../build/test
etc.
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What is the best way to trigger onchange event in react js
...behaves like I would expect if someone clicked on the element. I have not tested onChange but it should work, and not sure how this will fair in really old versions of IE but I believe the MouseEvent is supported in at least IE9 and up.
I eventually moved away from this for my particular use cas...
Batch script: how to check for admin rights
... of which have their own security, usability, and portability issues.
Testing
I've independently confirmed that this works on:
Windows XP, x86
Windows XP, x64
Windows Vista, x86
Windows Vista, x64
Windows 7, x86
Windows 7, x64
Windows 8, x86
Windows 8, x64
Windows 10 v1909, x64
(see scre...
Continuous Integration for Ruby on Rails? [closed]
... build artifacts aside from displaying links to them: you get no graphs of tests run, no trend lines, etc. I also had to adjust the routes.rb file to get the code linking working (the resources :projects line needs to move below all the other non-default routes).
TeamCity
This looks awesome, but t...
How to remove a file from the index in git?
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This removes the latest change for the specific file but keeps it in the repo (remote) after commit and push.
– powder366
Jun 30 '16 at 6:25
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