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How to use GROUP_CONCAT in a CONCAT in MySQL
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2 C:9
you have to handle result once again by program such as python or java
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Markdown and image alignment
...{.callout}
or, alternatively (Maruku, Kramdown, Python Markdown):
{: .callout}
Then, of course, you can use a stylesheet the proper way:
.callout {
float: right;
}
If yours supports this syntax, it gives you the best of both worlds: no e...
When to wrap quotes around a shell variable?
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Not the answer you're looking for? Browse other questions tagged linux bash shell unix quotes or ask your own question.
mingw-w64 threads: posix vs win32
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It took me a while to find the corresponding option on Linux, so in case it helps someone else: The package g++-mingw-w64-x86-64 provides two files x86_64-w64-mingw32-g++-win32 and x86_64-w64-mingw32-g++-posix, and x86_64-w64-mingw32-g++ is aliased to one of them; see update-alte...
Matplotlib - Move X-Axis label downwards, but not X-Axis Ticks
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Not the answer you're looking for? Browse other questions tagged python matplotlib graphing or ask your own question.
Rails: FATAL - Peer authentication failed for user (PG::Error)
...en restart your postgresql server after changing this file.
If you're on Linux, command would be
sudo service postgresql restart
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Change MySQL default character set to UTF-8 in my.cnf?
...5 and it works, thanks! mysql Ver 15.1 Distrib 5.5.35-MariaDB, for debian-linux-gnu (x86_64) using readline 5.1
– cenk
Feb 16 '14 at 16:17
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How is “int* ptr = int()” value initialization not illegal?
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@JamesKanze: In ubuntu 11.04 and our own linux flavor, libio.h contains: #if !defined(__cplusplus) \n #define NULL ((void*)0) \n #else \n #define NULL (0) the current version of gcc in ubuntu is 4.5, in our system is 4.0.
– David Rodríguez - d...
Django connection to PostgreSQL: “Peer authentication failed”
... "md5" is better than "trust", but the best is to use "peer" and create a Linux user without login permissions, for local connections only. This way you have to provide your root password to access the db from local.
– Marco Sulla
Nov 25 '13 at 20:09
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How do I delete an exported environment variable?
...at the variable name is 'x'.
credits:
https://www.cyberciti.biz/faq/unix-linux-difference-between-set-and-setenv-c-shell-variable/
https://www.oreilly.com/library/view/solaristm-7-reference/0130200484/0130200484_ch18lev1sec24.html
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