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How to pass command line arguments to a rake task
...less you know/care about Rake internals.
RAILS NOTE:
If running the task from Rails, it's best to preload the environment by adding => [:environment] which is a way to setup dependent tasks.
task :work, [:option, :foo, :bar] => [:environment] do |task, args|
puts "work", args
end
...
Lost connection to MySQL server at 'reading initial communication packet', system error: 0
...to the loop-back IP (127.0.0.1 / localhost) which effectively cuts you off from connecting from "outside".
If this is the case, you need to upload the script to the webserver (which is probably also running the MySQL server) and keep your server host as 'localhost'
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Semaphore vs. Monitors - what's the difference?
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A Monitor is an object designed to be accessed from multiple threads. The member functions or methods of a monitor object will enforce mutual exclusion, so only one thread may be performing any action on the object at a given time. If one thread is currently executing a m...
'innerText' works in IE, but not in Firefox
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FTR: innerText is profoundly different from textContent, and actually is very useful (surprisingly from a presumed IE quirk...): innerText tries to give an approximation of how the text is actually presented in the browser, totally unlike textContent, which return...
Business logic in MVC [closed]
... the model has changed.
Perhaps the admin's email should never be removed from the list. That's a business rule, that knowledge belongs in the model. The view may ultimately represent this rule somehow -- perhaps the model exposes an "IsDeletable" property which is a function of the business rule, ...
How to send an email using PHP?
...dy@example.com';
$subject = 'the subject';
$message = 'hello';
$headers = 'From: webmaster@example.com' . "\r\n" .
'Reply-To: webmaster@example.com' . "\r\n" .
'X-Mailer: PHP/' . phpversion();
mail($to, $subject, $message, $headers);
?>
Reference:
http://php.net/manual/en/function.m...
Django Admin - change header 'Django administration' text
...te: If you are using Django 1.7+, see the answer below.
Original answer from 2011:
You need to create your own admin base_site.html template to do this. The easiest way is to create the file:
/<projectdir>/templates/admin/base_site.html
This should be a copy of the original base_site.htm...
How to prevent rm from reporting that a file was not found?
...r a command to make rm quiet, but the only option I found is -f , which from the description, "ignore nonexistent files, never prompt", seems to be the right choice, but the name does not seem to fit, so I am concerned it might have unintended consequences.
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Get string between two strings in a string
...per exemple of string key : text I want to keep - end of my string";
int pFrom = St.IndexOf("key : ") + "key : ".Length;
int pTo = St.LastIndexOf(" - ");
String result = St.Substring(pFrom, pTo - pFrom);
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implements Closeable or implements AutoCloseable
...y-with-resources, but also allows throwing more general checked exceptions from close().
When in doubt, use AutoCloseable, users of your class will be grateful.
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