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Static class initializer in PHP
...in the class require a ‘heavy’ initialization function to run once (as if it were a constructor).
8 Answers
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How to declare and add items to an array in Python?
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No, if you do:
array = {}
IN your example you are using array as a dictionary, not an array. If you need an array, in Python you use lists:
array = []
Then, to add items you do:
array.append('a')
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Percentage Height HTML 5/CSS
...ment(*) must have an explicit height. This is fairly self-evident, in that if you leave height as auto, the block will take the height of its content... but if the content itself has a height expressed in terms of percentage of the parent you've made yourself a little Catch 22. The browser gives up ...
Compare two objects in Java with possible null values
...ts - making it more generic? And then it is the same as what you will get if you move to Java 7.
– Tom
Nov 7 '13 at 18:31
3
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How to write a test which expects an Error to be thrown in Jasmine?
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If you don't need to pass arguments too, you can also just pass the function to expect: expect(parser.parse).toThrow(...)
– SubmittedDenied
Oct 31 '12 at 21:22
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bower automatically update bower.json
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if you don't use the save flag, it'll just download the package you choose and put it under the bower packages folder, it's a good way of testing a package before setting it into stone.
– gru
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How do I conditionally apply CSS styles in AngularJS?
...The user will check checkboxes to indicate which items should be deleted. If a checkbox is unchecked, that item should revert back to its normal look.
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Programmatically saving image to Django ImageField
...e os.path.basename bit) and a django.core.files.File object.
Let me know if you have questions or need clarification.
Edit: for the sake of clarity, here is the model (minus any required import statements):
class CachedImage(models.Model):
url = models.CharField(max_length=255, unique=True)
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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
...8 // array[]
This shouldn't be surprising, as the PHP manual notes this:
If you use array_push() to add one element to the array it's better to use $array[] = because in that way there is no overhead of calling a function.
The way it is phrased I wouldn't be surprised if array_push is more effic...
Booleans, conditional operators and autoboxing
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The difference is that the explicit type of the returnsNull() method affects the static typing of the expressions at compile time:
E1: `true ? returnsNull() : false` - boolean (auto-unboxing 2nd operand to boolean)
E2: `true ? n...