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MySql Table Insert if not exist otherwise update
...safe. (Bug #11765650, Bug #58637) Bug 58637 description bugs.mysql.com/bug.php?id=58637
– broadband
Sep 2 '14 at 13:28
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Which is the fastest algorithm to find prime numbers?
...tp://primes.utm.edu/prove/prove2_3.html and http://forums.nvidia.com/index.php?showtopic=70483
If you just need a way to generate very big prime numbers and don't care to generate all prime numbers < an integer n, you can use Lucas-Lehmer test to verify Mersenne prime numbers. A Mersenne prime n...
How to change MySQL data directory?
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Stop MySQL using the following command:
sudo /etc/init.d/mysql stop
Copy the existing data directory (default located in /var/lib/mysql) using the following command:
sudo cp -R -p /var/lib/mysql /newpath
edit the MySQL configuration file with the following command:
s...
How do I make JavaScript beep?
...r wav files into Data URI format:
https://dopiaza.org/tools/datauri/index.php
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Are braces necessary in one-line statements in JavaScript?
...e follows in all C syntax style languages with bracing. C, C++, Java, even PHP all support one line statement without braces. You have to realize that you are only saving two characters and with some people's bracing styles you aren't even saving a line. I prefer a full brace style (like follows) so...
Having a private branch of a public repo on GitHub?
I have a public PHP project in a GitHub repo, which contains just one branch (master).
4 Answers
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SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...e/other.html -> Success
http://www.example.com/dir/inner/another.php -> Success
http://www.example.com:80 -> Success (default port for HTTP)
http://www.example.com:2251 -> Failure: different port
http://data.example.com/dir/other.html -...
How do I deal with certificates using cURL while trying to access an HTTPS url?
... error:
curl: (77) error setting certificate verify locations:
CAfile: /etc/pki/tls/certs/ca-bundle.crt
CApath: none
The issue was that curl expected the certificate to be at the path /etc/pki/tls/certs/ca-bundle.crt but could not find it because it was at the path /etc/ssl/certs/ca-certifica...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
...-login option, it first
reads and executes commands from the file /etc/profile, if
that file exists. After reading that file, it looks for
~/.bash_profile, ~/.bash_login, and ~/.profile, in that
order, and reads and executes commands from the first one
that...
Supervisor socket error issue [closed]
...visord before you can use supervisorctl. In my case:
sudo supervisord -c /etc/supervisor/supervisord.conf
sudo supervisorctl -c /etc/supervisor/supervisord.conf
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