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Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
...d, the ModelBinder will automatically take
care of extracting the 'true' from the 'true,false'
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What does the 'standalone' directive mean in XML?
... Markup declarations can affect the
content of the document, as passed
from an XML processor to an
application; examples are attribute
defaults and entity declarations. The
standalone document declaration, which
may appear as a component of the XML
declaration, signals whether or not
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How do I check if a string is valid JSON in Python?
...not familiar with the JSON that facebook sends back, but most JSON strings from web apps will start with a open square [ or curly { bracket. No images formats I know of start with those characters.
Conversely if you know what image formats might show up, you can check the start of the string for t...
Is there a performance difference between i++ and ++i in C++?
...l still get the same resulting code. In fact, without reading the count in from the user, the optimizer got the whole thing down to a constant. So this:
for(int i=0; i<10; i++)
{
testFoo++;
}
printf("Value: %d\n", testFoo.GetData());
Resulted in the following:
00401000 push 0Ah ...
Does Parallel.ForEach limit the number of active threads?
...hat even 6 threads was enough to overwhelm the 7200 RPM disk I was reading from at 100% utilization. Over the period of a few hours I watched the Parallel library spin off over 8,000 threads. I tested using MaxDegreeOfParallelism and sure enough the 8000+ threads disappeared. I have tested it mult...
Difference between objectForKey and valueForKey?
...ject as key.
Last, NSDictionary's implementation of valueForKey: deviates from the standard behavior defined in KVC's documentation, and will NOT emit a NSUnknownKeyException for a key it can't find - unless this is a "special" key - one that begins with '@' - which usually means an "aggregation" f...
How to use concerns in Rails 4
...nheritance? What's wrong with creating a common base class and subclassing from that common base class?
– Chloe
Sep 6 '15 at 0:14
3
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Iterator Loop vs index loop [duplicate]
...r code becomes more portable between containers. You can switch containers from std::vector to std::list or other container freely without changing much if you use iterator such rule doesn't apply to operator[].
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Targeting position:sticky elements that are currently in a 'stuck' state
... It isn't just position... imagine a :stuck that changes the top value from 0 to 300px, then scroll down 150px... should it stick or not? Or think about an element with position: sticky and bottom: 0 where the :stuck maybe changes font-size and therefore the elements size (therefore changing t...
$on and $broadcast in angular
...
The best way to avoid deciding between $emit or $broadcast is to channel from the $rootScope and use $broadcast to all its children. Which makes our case much easier since our dom elements are siblings.
Adding $rootScope and lets $broadcast
app.controller('FirstCtrl', function($rootScope, $scop...