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Logical operator in a handlebars.js {{#if}} conditional
...to pass the operator as a string or else the compiler will error out while tokenizing your template. {{#ifCond true '==' false}}
– Joe Holloway
Jul 11 '13 at 20:11
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Switch on ranges of integers in JavaScript [duplicate]
...when minified remains a switch, complete with "switch", "case" and "break" tokens, and as a result is considerably longer in code.
How switch(true) works
I think "switch(true) is obscure, but it seems some people just want to use it, so here's an explanation of why it works...
A switch/case state...
What does T&& (double ampersand) mean in C++11?
...just be destroyed; why not make use of the resources the temporary already allocated? In C++03, there's no way to prevent the copy as we cannot determine we were passed a temporary. In C++11, we can overload a move constructor:
foo(foo&& other)
{
this->length = other.length;
this...
How can a string be initialized using “ ”?
...age for strings with the same contents to conserve storage. String objects allocated via new operator are stored in the heap, and there is no sharing of storage for the same contents.
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What is a callback URL in relation to an API?
...hen your application could use this authorization code to request a access token with the identity provider which has a much longer lifetime.
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Look up all descendants of a class in Ruby
...essentially a way to access anything and everything that's currently using allocated memory, so iterating over every single one of its elements to check if it is a sublass of the Animal class isn't ideal.
In the code below, the inherited Animal class method implements a callback that will add any ...
How to prevent http file caching in Apache httpd (MAMP)
...g of javascript files, which is done on your browser, you can use a random token at the end of the js url, something like ?rd=45642111, so the url looks like:
<script type="texte/javascript" src="my/url/myjs.js?rd=4221159546">
If this url on the page is generated by a PHP file you can simpl...
What's better to use in PHP, $array[] = $value or array_push($array, $value)?
...unction and it called multiple times when it is inside the loop so it will allocate a memory into the stack.
But when we are using $array[] = $value then we just assigning value to array.
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Python strptime() and timezones?
...thon2.7/site-packages/dateutil/parser.py", line 310, in parse res, skipped_tokens = self._parse(timestr, **kwargs) TypeError: 'NoneType' object is not iterable
– wanghq
Apr 29 '14 at 0:16
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Iterating each character in a string using Python
...thon 2.x, range() creates a list, so for a very long length you may end up allocating a very large block of memory. At the very least use xrange() in those cases. Also, repeated indexing of the same string is much slower than iterating directly over the string. If you need the index, use enumerate()...