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How to shrink/purge ibdata1 file in MySQL
...drop-database.html
You have probably seen this:
http://bugs.mysql.com/bug.php?id=1341
By using the command ALTER TABLE <tablename> ENGINE=innodb or OPTIMIZE TABLE <tablename> one can extract data and index pages from ibdata1 to separate files. However, ibdata1 will not shrink unless yo...
Syntax highlighting/colorizing cat
...gle-file (shell script) and works good:
http://www.vim.org/scripts/script.php?script_id=4325
Last update is from December 2013. Hint: you can force file type recognition by vimcat -c "set ft=<type>".
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How to restore the permissions of files and directories within git if they have been modified?
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It's roughly accurate, see git.wiki.kernel.org/index.php/ContentLimitations. The exact permissions that get set appear to based on the server & possibly the client umask as well as a config setting, see stackoverflow.com/a/12735291/125150.
– Motti Stro...
Adding VirtualHost fails: Access Forbidden Error 403 (XAMPP) (Windows 7)
... The httpd-vhosts.conf is a config file for Apache. Apache 'runs' the php-code. Download and install xampp and change the config as stated above.
– Highmastdon
Nov 12 '12 at 11:52
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How to test an SQL Update statement before running it?
... @rickozoe below:
In general these lines will not be executed as once. In PHP f.e. you would write something like that (perhaps a little bit cleaner, but wanted to answer quick ;-) ):
$MysqlConnection->query('START TRANSACTION;');
$erg = $MysqlConnection->query('UPDATE MyGuests SET lastname=...
Difference between Pragma and Cache-Control headers?
...: no-cache directive, so it is advised to use it by OWASP: owasp.org/index.php/…
– Randall Borck
Apr 27 '18 at 18:42
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PostgreSQL: Difference between text and varchar (character varying)
...ength array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and can lead to subtle err...
In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
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It's PHP where the string "0" is falsy (false-when-used-in-boolean-context). In JavaScript, all non-empty strings are truthy.
The trick is that == against a boolean doesn't evaluate in a boolean context, it converts to number, an...
When should a class be Comparable and/or Comparator?
...of the uses of both Comparator and comparable: sysdotoutdotprint.com/index.php/2017/03/28/…
– mel3kings
Mar 28 '17 at 3:49
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How to find my Subversion server version number?
...>
<body>...
<address>Apache/2.2.11 (Debian) DAV/2 SVN/1.5.6 PHP/5.2.9-4 ...</address>
</body></html>
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