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std::shared_ptr thread safety explained
... pointer is a pair of two pointers, one to the object and one to a control block (holding the ref counter, links to weak pointers ...).
There can be multiple std::shared_ptr and whenever they access the control block to change the reference counter it's thread-safe but the std::shared_ptr itself is...
How can I “unuse” a namespace?
...pace. The only thing you can do is putting the using namespace-statement a block to limit it's scope.
Example:
{
using namespace xyzzy;
} // stop using namespace xyzzy here
Maybe you can change the template which is used of your auto-generated headers.
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How to change the Content of a with Javascript
...e = '';
http://www.hscripts.com/tutorials/javascript/dom/textarea-events.php
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Angularjs $q.all
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In javascript there are no block-level scopes only function-level scopes:
Read this article about javaScript Scoping and Hoisting.
See how I debugged your code:
var deferred = $q.defer();
deferred.count = i;
console.log(deferred.count); // 0,1,2,3,...
Form inline inside a form horizontal in twitter bootstrap?
...ay not work for you because of the form-control class which sets "display: block". If you override it to "display: inline-block" it should work.
– Cédric Guillemette
Oct 24 '14 at 2:03
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Uniq by object attribute in Ruby
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Use Array#uniq with a block:
@photos = @photos.uniq { |p| p.album_id }
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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
... calculated as a percentage always relative to the width of the containing block. This is rather a common pitfall and the quirk is rarely described outside of w3 docos
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Using link_to with embedded HTML
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Maybe it should be <%= link_to ... in the example with block?
– Voldy
Feb 22 '12 at 19:59
It defin...
AngularJS : When to use service instead of factory
... able to be configured by providers and injected into controllers and run blocks. From the point of view of the injectee, there is absolutely no difference whether the object came from a factory or a service.
So, when to use a factory, and when to use a service? It boils down to your coding prefer...
What is a “first chance exception”?
... anyone is going to catch it. That process takes place before any finally blocks run. Once the system decided who's going to catch an exception (and determined that someone is actually going to), the system will start unwinding the stack. Note that if an exception is thrown from a finally block.....