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Test if number is odd or even
...simplest most basic way to find out if a number/variable is odd or even in PHP?
Is it something to do with mod?
17 Answers
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What XML parser should I use in C++? [closed]
...is painful for writing XML. It requires you to do a lot of explicit memory allocation of string names in order to build its DOM. It does provide a kind of string buffer, but that still requires a lot of explicit work on your end. It's certainly functional, but it's a pain to use.
It uses the MIT lic...
Twig: in_array or similar possible within if statement?
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If you want to achieve the same as in_array() in PHP, ommit the keys filter
– Burgi
Feb 8 '12 at 16:05
25
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Java - removing first character of a string
...u are actually creating a new string with all the overhead implied (memory allocation and garbage collection). So if you want to make a series of modifications to a string and care only about the final result (the intermediate strings will be dead as soon as you 'modify' them), it may make more sen...
Fastest way to check if a string matches a regexp in ruby?
...erformance enhancement in the release notes for 2.4.0, as it avoids object allocations performed by other methods such as Regexp#match and =~:
Regexp#match?
Added Regexp#match?, which executes a regexp match without creating a back reference object and changing $~ to reduce object allocation.
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Why cast an unused function parameter value to void?
...er name in the body is to avoid warnings like
unused.c: In function ‘l_alloc’:
unused.c:3:22: warning: unused parameter ‘ud’ [-Wunused-parameter]
void *l_alloc (void *ud, void *ptr, size_t osize, size_t nsize) {
^~
This warning can be suppressed with using the actu...
How to get a time zone from a location using latitude and longitude coordinates?
...-lookup-oss - JavaScript library
GeoTimeZone - .NET library
Geo-Timezone - PHP library
timezonefinder - Python library
ZoneDetect - C library
Timeshape - Java library
TimeZoneMap - Java and Android library
lutz - R library
go-tz - Go library
Timezone lookup - Go library
docker-timezone-lookup - doc...
How enumerate all classes with custom class attribute?
...s to readability and maintainability. I challenge the statement that they allocate the fewest objects and performance will be faster (especially without empirical proof); you've basically written the Select extension method, and the compiler will generate a state machine just as it would if you cal...
How to make an AJAX call without jQuery?
...ippet you can do similar things pretty easily, like this:
ajax.get('/test.php', {foo: 'bar'}, function() {});
Here is the snippet:
var ajax = {};
ajax.x = function () {
if (typeof XMLHttpRequest !== 'undefined') {
return new XMLHttpRequest();
}
var versions = [
"MSXML...
UIActivityViewController crashing on iOS 8 iPads
...image];
UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:postItems applicationActivities:nil];
//if iPhone
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
[self presentViewController:controller animated:YES completion:nil];
}
//if iPa...