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What is an SDL renderer?
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So what you when you call SDL_RenderPresent is take that renderer with all it's setting and textures that were uploaded to it and make it render this informations on the Window that it's tied to?
– prcastro
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How do you set EditText to only accept numeric values in Android?
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Add android:inputType="number" as an XML attribute.
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python numpy ValueError: operands could not be broadcast together with shapes
...nded in one or more dimensions to make them compatible. This operation are called broadcasting. Dimensions where size is 1 or which are missing can be used in broadcasting.
In the example above the dimensions are incompatible, because:
97 2
2 1
Here there are conflicting numbers in the firs...
Add new methods to a resource controller in Laravel
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How would you pass a parameter like {id}? Currently I've coded my custom method inline in routes.php (like the example here laravel.com/docs/5.1/routing#route-parameters). Ideally I'd like to pass the parameter to run in FooController.
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How to use RSpec's should_raise with any kind of exception?
...expectation to pass without even executing the method you are intending to call. Instead consider providing a specific error class or message. This message can be supressed by setting: RSpec::Expectations.configuration.warn_about_potential_false_positives = false.
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django: BooleanField, how to set the default value to true?
..._field = models.BooleanField(default=True)
Finally, if you want to dynamically choose at runtime whether or not your field will be selected by default, you can use the initial parameter to the form when you initialize it:
form = MyForm(initial={'my_field':True})
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Dynamically load JS inside JS [duplicate]
...use my own implementation of it like:
jQuery.loadScript = function (url, callback) {
jQuery.ajax({
url: url,
dataType: 'script',
success: callback,
async: true
});
}
and use it like:
if (typeof someObject == 'undefined') $.loadScript('url_to_someScript.j...
store and retrieve a class object in shared preference
In Android can we store an object of a class in shared preference and retrieve the object later?
13 Answers
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Re-entrant locks in C#
...ch you acquire/release locks.
(One further note, your example isn't technically recursive. For it to be recursive, Bar() would have to call itself, typically as part of an iteration.)
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How do I force Postgres to use a particular index?
...on "index hinting" feature found in many databases, PostgreSQL doesn't provide such a feature. This was a conscious decision made by the PostgreSQL team. A good overview of why and what you can do instead can be found here. The reasons are basically that it's a performance hack that tends to cause m...