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Static class initializer in PHP
... - especially simple examples that are only meant to be illustrative. Everyone's scenarios and situations are different
– Peter Bailey
Jul 22 '10 at 20:47
17
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How to toggle a value in Python
...;> x
1
The technique generalizes to any pair of integers. The xor-by-one step is replaced with a xor-by-precomputed-constant:
>>> A = 205
>>> B = -117
>>> t = A ^ B # precomputed toggle constant
>>> x = A
>>> x ^= t # toggle
>&g...
Base64 length calculation?
...
Consider if you have one byte of input. That will produce four characters of output. But only two output characters are needed to encode the input. So two characters will be padding.
– David Schwartz
Nov 14 ...
Why does pycharm propose to change method to static
... not be a @staticmethod, and if you value zero warnings, you can make this one go away two different ways:
Workaround #1
def bar(self):
self.is_not_used()
doing_something_without_self()
def is_not_used(self):
pass
Workaround #2 [Thanks @DavidPärsson]
# noinspection PyMethodMayBeSt...
No @XmlRootElement generated by JAXB
... methods (and for large schema, there can be hundreds of them) to find the one you need.
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“Submit is not a function” error in JavaScript
Can anyone tell me what is going wrong with this code? I tried to submit a form with JavaScript, but an error ".submit is not a function" shown. See below for more details of the code:
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Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
...e two hence the error message.
If you change the right-hand expression to one of the following then it compiles because there is an implicit conversion between int? and null (#1) and between int and int? (#2, #3).
GetBoolValue() ? (int?)10 : null // #1
GetBoolValue() ? 10 : (int?)null // #2
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What framework for MVVM should I use? [closed]
... declare an interest here, because I've been actively involved in at least one MVVM framework, and I've had input into others through the WPF Disciples group, so I'm a little bit biased. Saying that, here goes:
Microsofts MVVM Toolkit - this is still very much in the alpha stages. When it was origi...
How to bind RadioButtons to an enum?
...verter={StaticResource enumBooleanConverter}, ConverterParameter=YetAnotherOne}">yet another one</RadioButton>
</StackPanel>
</Grid>
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What does T&& (double ampersand) mean in C++11?
I've been looking into some of the new features of C++11 and one I've noticed is the double ampersand in declaring variables, like T&& var .
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