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`ui-router` $stateParams vs. $state.params
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An interesting observation I made while passing previous state params from one route to another is that $stateParams gets hoisted and overwrites the previous route's state params that were passed with the current state params, but using $state.params doesn't.
When using $stateParams:
var stat...
How do you dismiss the keyboard when editing a UITextField
...to this action on your controller (or whatever you're using to link events from the UI). Whenever the user enters text and dismisses the text field, the controller will be sent this message.
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Is there a built-in method to compare collections?
...re the list & the dictionary, but you could compare the list of values from the Dictionary with the list
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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
...uploadType )
= getimagesize( $uploadTempFile );
$srcImage = imagecreatefrompng( $uploadTempFile );
$targetImage = imagecreatetruecolor( 128, 128 );
imagealphablending( $targetImage, false );
imagesavealpha( $targetImage, true );
imagecopyresampled( $targetImage, $srcImage,
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Getting number of elements in an iterator in Python
...g the iterator. One of probably the most efficient ways:
import itertools
from collections import deque
def count_iter_items(iterable):
"""
Consume an iterable not reading it into memory; return the number of items.
"""
counter = itertools.count()
deque(itertools.izip(iterable,...
Inserting HTML elements with JavaScript
...nly potential issue with this technique is the fact that you are prevented from dynamically creating some table elements.
I use a form to templating by adding "template" elements to a hidden DIV and then using cloneNode(true) to create a clone and appending it as required. Bear in ind that you do n...
Best way to store a key=>value array in JavaScript?
... var countries = ['Canada','Us','France','Italy'];
console.log('I am from '+countries[0]);
$.each(countries, function(key, value) {
console.log(key, value);
});
});
Output -
0 "Canada"
1 "Us"
2 "France"
3 "Italy"
We see above that we can loop a numerical array using the...
Sort an array in Java
...array has a length of 10. You need one variable (i) which takes the values from 0to 9.
for ( int i = 0 ; i < array.length ; i++ )
^ ^ ^
| | ------ increment ( i = i + 1 )
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Is there a simple way to delete a list element by value?
I want to remove a value from a list if it exists in the list (which it may not).
21 Answers
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What’s the best way to check if a file exists in C++? (cross platform)
...ING BOOST, since it's an overkill, however it wasn't trivial to write that from what is provided here, so I just posted an answer. Check it please.
– gsamaras
Jul 28 '16 at 6:42
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