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Looping over arrays, printing both index and value
...baz
Explained
printf "%s\n" "${!foo[@]}" will print all keys separated by a newline,
printf "%s\n" "${foo[@]}" will print all values separated by a newline,
paste <(cmd1) <(cmd2) will merge output of cmd1 and cmd2 line by line.
Tunning
This could be tunned by -d switch:
paste -d : <...
What does “to stub” mean in programming?
...le replacement for an Existing Dependency (or collaborator)
in the system. By using a stub, you can test your code without
dealing with the dependency directly.
External Dependency - Existing Dependency:
It is an object in your system that your code
under test interacts with and over which you have...
Javascript - Open a given URL in a new tab by clicking a button
I would like to have a button that redirects to a given URL and opens in a new tab. How can this be done?
13 Answers
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MySql server startup error 'The server quit without updating PID file '
...f /usr/local/var/mysql/
ls -laF /usr/local/var/mysql/
if it is owner by root you should change it mysql or your_user
sudo chown -R mysql /usr/local/var/mysql/
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Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
...rue as it used to be. The CRT will function correctly in a thread created by CreateThread() with the exception of he signal() function. There will be a small memory leak (~80 bytes) for each thread created with CreateThread() that uses the CRT, but it will function correctly. See for more info: s...
Script to get the HTTP status code of a list of urls?
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I had this issue and I was able to fix it by switching the line ending from the Windows type to the Linux type.
– Tristan
Jul 13 '17 at 1:40
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How to push new branch without history
...t a new history that records a set of paths similar to <start_point> by easily running "git commit -a" to make the root commit.
This can be useful when you want to publish the tree from a commit without exposing its full history. You might want to do this to publish an open source branch of a ...
SQL Server principal “dbo” does not exist,
...
I resolved this issue by setting database owner. My database did not have had any owner before this issue. Execute this command in your database to set owner to sysadmin account:
use [YourDatabaseName] EXEC sp_changedbowner 'sa'
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What's a 3D doing in this HTML?
I'm trying to duplicate a mailer I got into my gmail by taking a look at its code. I see a lot of this in multiple source viewers:
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How to change size of split screen emacs windows?
...plit horizontally - on top I'm editing Perl code, the bottom is the shell. By default emacs makes the two windows equal in size, but I'd like the shell buffer smaller (maybe half the size?). I was wondering how I could do that.
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