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Remove credentials from Git
...
If this problem comes on a Windows machine, do the following.
Go to Credential Manager
in German, it is called: Anmeldeinformationsverwaltung
in French, it is called: Gestionnaire d'identification
Go to Windows Credential...
What are the special dollar sign shell variables?
...like construct of all positional parameters, {$1, $2, $3 ...}.
"$*" is the IFS expansion of all positional parameters, $1 $2 $3 ....
$# is the number of positional parameters.
$- current options set for the shell.
$$ pid of the current shell (not subshell).
$_ most recent parameter (or the abs path ...
How to set timer in android?
...preferable. Also remember to clean up your tasks in onPause, saving state if necessary.
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Handler.Callback;
import andr...
How to get the next auto-increment id in mysql
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If rows are deleted in the table the max will be wrong
– peterchaula
Feb 16 '17 at 9:43
1
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How do I change the figure size with subplots?
I came across this example in the Matplotlib website. I was wondering if it was possible to increase the figure size.
2 A...
Prevent body scrolling but allow overlay scrolling
... type solution that allows this but haven't found one yet (please, suggest if you know of any).
19 Answers
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Setup RSpec to test a gem (not Rails)
...match current best practices:
Bundler supports gem development perfectly. If you are creating a gem, the only thing you need to have in your Gemfile is the following:
source "https://rubygems.org"
gemspec
This tells Bundler to look inside your gemspec file for the dependencies when you run bundl...
WHERE vs HAVING
... doing "WHERE 1" (writing the whole definition instead of a column name)
If your calculated expression does not contain any aggregates, putting it into the WHERE clause will most probably be more efficient.
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Clean way to launch the web browser from shell script?
...rect test operators in the correct way.
Here is an example:
#!/bin/bash
if which xdg-open > /dev/null
then
xdg-open URL
elif which gnome-open > /dev/null
then
gnome-open URL
fi
Maybe this version is slightly better (still untested):
#!/bin/bash
URL=$1
[[ -x $BROWSER ]] && exe...
Firefox 'Cross-Origin Request Blocked' despite headers
...t this has nothing to do with CORS- it was a problem with the security certificate. Misleading errors = 4 hours of headaches.
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