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How to reset or change the MySQL root password?
...Enter the following lines in your terminal.
Stop the MySQL Server: sudo /etc/init.d/mysql stop
Start the mysqld configuration: sudo mysqld --skip-grant-tables &
In some cases, you've to create the /var/run/mysqld first:
sudo mkdir -v /var/run/mysqld && sudo chown mysql /var/run/mysql...
jQuery or javascript to find memory usage of page
...t.
Fixed content is not dependant on user actions (memory used by script files, plugins, etc.)
Everything else is considered dynamic and should be your main focus when determining your limit.
But there is no easy way to summarize them. You could implement a tracking system that gathers all these ...
How can I capture the result of var_dump to a string?
... => array(),
"object" => new stdClass(),
"resource" => tmpfile(),
"null" => null,
);
// var_export -- nice, one-liner
$debug_export = var_export($demo, true);
// var_dump
ob_start();
var_dump($demo);
$debug_dump = ob_get_clean();
// print_r -- included for completeness, th...
Why can outer Java classes access inner class private members?
...her XYZ should really be an inner class and that maybe it deserves its own file. Sometimes it makes sense to create a static inner class (for example, if you need a small class that implements an interface your outer class is using, and that won't be helpful anywhere else). But at about half of the ...
Is a LINQ statement faster than a 'foreach' loop?
...cts generally is going to add some marginal overheads (multiple iterators, etc). It still has to do the loops, and has delegate invokes, and will generally have to do some extra dereferencing to get at captured variables etc. In most code this will be virtually undetectable, and more than afforded b...
Different bash prompt for different vi editing mode?
...f you are running bash 4.3 or higher, add the following to your ~/.inputrc file set show-mode-in-prompt This adds a + to the very left of your prompt if you are in edit mode, and a : if you are in command mode.
– stooj
Mar 29 '14 at 4:25
...
How to debug Ruby scripts [closed]
...
with -rdebug :no need to change source file in order to debug
– germanlinux
Sep 23 '14 at 21:18
2
...
What is the difference between a stored procedure and a view?
...g block in a larger query
Can contain several statements, loops, IF ELSE, etc.
Can perform modifications to one or several tables
Can NOT be used as the target of an INSERT, UPDATE or DELETE
statement.
A View:
Does NOT accept parameters
Can be used as building block in a larger query
Can...
How to check for a valid Base64 encoded string
..., especially if the string is large (which happens when transferring large files). The following approach tries the fastest ways of detection first.
public static class HelperExtensions {
// Characters that are used in base64 strings.
private static Char[] Base64Chars = new[] { 'A', 'B', 'C...
What is a daemon thread in Java?
...s up to four daemon threads named "Image Fetcher" to fetch images from the file system or network for any thread that needs one.
Daemon threads are typically used to perform services for your application/applet (such as loading the "fiddley bits"). The core difference between user threads and daemo...
