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How do I suspend painting for a control and its children?
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At my previous job we struggled with getting our rich UI app to paint instantly and smoothly. We were using standard .Net controls, custom controls and devexpress controls.
After a lot of googling and reflector usage I came ac...
Making the Android emulator run faster
...itimately hit 60 fps on a moderate system.
Here's a screencap from one of my workshops, running on a low-end 2012 model MacBook Air:
If you can't read the text, it's a Nexus 7 emulator running at 56.6 fps. The additional (big!) bonus is that Google Play and Google Play Services come packaged wit...
Intellij IDEA, format all code in a project
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u made my day - for Mac ⌥⌘+L (MAC OS X)
– Pand005
May 15 at 19:04
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PHP Redirect with POST data
.... Here's a small/simple snippet on how you can achieve that:
<form id="myForm" action="Page_C.php" method="post">
<?php
foreach ($_POST as $a => $b) {
echo '<input type="hidden" name="'.htmlentities($a).'" value="'.htmlentities($b).'">';
}
?>
</form>
<s...
sqlalchemy unique across multiple columns
... using declarative as in the __table_args__:
# version1: table definition
mytable = Table('mytable', meta,
# ...
Column('customer_id', Integer, ForeignKey('customers.customer_id')),
Column('location_code', Unicode(10)),
UniqueConstraint('customer_id', 'location_code', name='uix_1')...
__init__ for unittest.TestCase
...so be a little more explicit in this case (which helps with readability in my opinion) and use: unittest.TestCase.__init__(self,*args,**kwargs) instead of super(TestingClass, self).__init__(*args, **kwargs)
– Onyooo
Feb 14 '18 at 0:27
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Objective-C: difference between id and void *
...t:(void *)context;
The sorting function would be declared as:
NSInteger mySortFunc(id left, id right, void *context) { ...; }
In this case, the NSArray merely passes whatever you pass in as the context argument to the method through as the context argument. It is an opaque hunk of pointer size...
How to flatten only some dimensions of a numpy array
....shape[-2:])
new_arr.shape
# (12, 5, 6)
EDIT: A slight generalization to my earlier answer -- you can, of course, also specify a range at the beginning of the of the reshape too:
arr = numpy.zeros((3, 4, 5, 6, 7, 8))
new_arr = arr.reshape(*arr.shape[:2], -1, *arr.shape[-2:])
new_arr.shape
# (3, 4...
Turning off “created by” stamp when generating files in IntelliJ
...ering about how to add the creation info when it's somehow missed (like in my case),
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What is a “callable”?
... instance of it on __call__. The way Python solves this is very elegant in my opinion.
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