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How to check if a file is empty in Bash?
...ers are correct but I feel like they could be more complete
/ simplistic etc. for example :
Example 1 : Basic if statement
# BASH4+ example on Linux :
typeset read_file="/tmp/some-file.txt"
if [ ! -s "${read_file}" ] || [ ! -f "${read_file}" ] ;then
echo "Error: file (${read_file}) not fou...
CSS: Setting width/height as Percentage minus pixels
...if you use Less you'd better compile a file with lessc --strict-math=on in order less not to evaluate the expression inside the calc -- just a problem I faced and spent a lot of time (as of Less 2.0.0)
– Dmitry Wojciechowski
Nov 29 '14 at 4:46
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invalid_grant trying to get oAuth token from google
...st users but for some users I still get invalid_grant, invalid_credentials etc. for no particular reasons.
– Allen King
Dec 29 '15 at 19:32
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How do you bind an Enum to a DropDownList control in ASP.NET?
... this will not behave correctly of all enum types (like uint, ulong, long, etc.) Normally the most efficient field to search is the key. In this case the that would be the int since integers are a simple <,=,> comparison vs a string's < and > comparison for each char.
...
Git diff --name-only and copy that list
...swer.)
The -a parameter to rsync means to preserve permissions, ownership, etc. if possible. The -R means to use the full relative path when creating the files in the destination.
Update: if you have an old version of xargs, you'll need to use the -i option instead of -I. (The former is deprecat...
Any way to delete in vim without overwriting your last yank? [duplicate]
... I would prefer nnoremap d "_d so dd remains dd and likewise d$ etc.
– abhishek77in
Oct 16 '13 at 8:44
2
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Scanning Java annotations at runtime [closed]
...7, they should probably go with Reflections. Also, if you are using guava/etc and want to change out the collections, easy as pie. Great comments inside too.
– Andrew Backer
Sep 25 '14 at 10:52
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What is the most efficient way of finding all the factors of a number in Python?
...his alteration may cause the function to take longer.
I ran some tests in order to check the speed. Below is the code used. To produce the different plots, I altered the X = range(1,100,1) accordingly.
import timeit
from math import sqrt
from matplotlib.pyplot import plot, legend, show
def factor...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...
In advanced functions, you must use $PSCmdlet.ThrowTerminatingError() in order to generate a statement-terminating error.
Note that, by contrast, the Throw keyword generates a script-terminating error that aborts the entire script (technically: the current thread).
Handling a statement-terminatin...
“Cannot update paths and switch to branch at the same time”
... you need to check your remotes:
git remote -v
And make sure origin is fetched:
git fetch origin
Then:
git branch -avv
(to see if you do have fetched an origin/master branch)
Finally, use git switch instead of the confusing git checkout, with Git 2.23+ (August 2019).
git switch -c test --...