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What is the relative performance difference of if/else versus switch statement in Java?
...view a switch statement as follows:
switch (<condition>) {
case c_0: ...
case c_1: ...
...
case c_n: ...
default: ...
}
where c_0, c_1, ..., and c_N are integral numbers that are targets of the switch statement, and <condition> must resolve to an integer expression.
I...
Passing variables through handlebars partial
...cats/handlebars.js/blob/ce74c36118ffed1779889d97e6a2a1028ae61510/spec/qunit_spec.js#L456-L462
https://github.com/wycats/handlebars.js/blob/e290ec24f131f89ddf2c6aeb707a4884d41c3c6d/spec/partials.js#L26-L32
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...
Get all attributes of an element using jQuery
...core
Also works for lodash.
function getAttributes ( node ) {
return _.reduce( node.attributes, function ( attrs, attribute ) {
attrs[attribute.name] = attribute.value;
return attrs;
}, {} );
}
lodash
Is even more concise than the Underscore version, but only works for l...
Reload an iframe with jQuery
...
This Jquery worked like a charm for me: $('#map_iframe').attr('src', $('#map_iframe').attr('src'));
– Topher Hunt
Jul 1 '14 at 19:00
add a comment
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How to find out where a function is defined?
...d also do this in PHP itself:
$reflFunc = new ReflectionFunction('function_name');
print $reflFunc->getFileName() . ':' . $reflFunc->getStartLine();
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...
Get the Query Executed in Laravel 3/4
...:getQueryLog() to get all ran queries.
$queries = DB::getQueryLog();
$last_query = end($queries);
Or you can download a profiler package. I'd recommend barryvdh/laravel-debugbar, which is pretty neat. You can read for instructions on how to install in their repository.
Note for Laravel 5 users: ...
Python - When to use file vs open
...bove natively support the with statement. In Python 2.5, you must add from __future__ import with_statement to the top of your code.
– IceArdor
Jul 14 '14 at 20:40
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How to animate the change of image in an UIImageView?
...
Try this:
_imageView.image = image;
[_imageView.layer addAnimation:[CATransition animation] forKey:kCATransition];
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What is a good Hash Function?
...which is equal parts computer science genius and pure voodoo:
unsigned fnv_hash_1a_32 ( void *key, int len ) {
unsigned char *p = key;
unsigned h = 0x811c9dc5;
int i;
for ( i = 0; i < len; i++ )
h = ( h ^ p[i] ) * 0x01000193;
return h;
}
unsigned long long fnv_hash_1a...
Unicode Processing in C++
...th, capitalization status, etc. Never use standard library builtins like is_alpha unless that is the definition you want.
I can't say it enough: never iterate over the indices of a string if you care about correctness, always use your unicode library for this.
...