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Begin, Rescue and Ensure in Ruby?
... # code that deals with some other exception
else
# code that runs only if *no* exception was raised
ensure
# ensure that this code always runs, no matter what
# does not change the final value of the block
end
You can leave out rescue, ensure or else. You can also leave out the variables i...
jQuery and AJAX response header
...e form of a 302 redirect. I'd like to take this redirect and load it in an iframe, but when I try to view the header info with a javascript alert, it comes up null, even though firebug sees it correctly.
...
Origin is not allowed by Access-Control-Allow-Origin
...
Since they are running on different ports, they are different JavaScript origin. It doesn't matter that they are on the same machine/hostname.
You need to enable CORS on the server (localhost:8080). Check out this site: http://enable-cors.org/
All ...
What is the meaning of the term “thread-safe”?
... in the context of multi-threaded programs. A piece of code is thread-safe if it functions correctly during simultaneous execution by multiple threads. In particular, it must satisfy the need for multiple threads to access the same shared data, and the need for a shared piece of data to be accessed ...
How To Test if Type is Primitive
...le Decimal and String.
Edit 1: Added sample code
Here is a sample code:
if (t.IsPrimitive || t == typeof(Decimal) || t == typeof(String) || ... )
{
// Is Primitive, or Decimal, or String
}
Edit 2: As @SLaks comments, there are other types that maybe you want to treat as primitives, too. I t...
How to change a Git remote on Heroku
...
If you're working on the heroku remote (default):
heroku git:remote -a [app name]
If you want to specify a different remote, use the -r argument:
heroku git:remote -a [app name] -r [remote]
EDIT: thanks to Алекс...
How can I listen to the form submit event in javascript?
...alidation javascript library and I've been looking on google how to detect if a submit button is clicked but all I found is code where you have to use onClick on onSubmit="function()" in html.
...
Java 8 forEach with index [duplicate]
...
Would this work in case you want specific order for params (e.g. sorted)?
– Tomer Cagan
Jun 4 '16 at 11:49
1
...
How to make asynchronous HTTP requests in PHP
...ait($url, $params)
{
foreach ($params as $key => &$val) {
if (is_array($val)) $val = implode(',', $val);
$post_params[] = $key.'='.urlencode($val);
}
$post_string = implode('&', $post_params);
$parts=parse_url($url);
$fp = fsockopen($parts['host'],
...
Appropriate hashbang for Node.js scripts
...
If your script is intended for use by Node developers, you should absolutely just use
#!/usr/bin/env node
and not bother trying for compatibility with people who only have Node installed as nodejs.
Rationale:
It's what ...