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Why does changing 0.1f to 0 slow down performance by 10x?
...er:
It is not the zero constant 0.0f that is denormalized or causes a slow down, it is the values that approach zero each iteration of the loop. As they come closer and closer to zero, they need more precision to represent and they become denormalized. These are the y[i] values. (They approach ze...
C# HttpWebRequest vs WebRequest
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django unit tests without a db
...the ORM ... then you should use TransactionTestCase or TestCase instead.
https://docs.djangoproject.com/en/1.6/topics/testing/tools/#django.test.SimpleTestCase
mysite/scripts/settings.py
from django.test import TransactionTestCase
from django.test.runner import DiscoverRunner
class MyDisc...
onKeyPress Vs. onKeyUp and onKeyDown
...k originally used in this answer.
From that link:
In theory, the onKeyDown and onKeyUp events represent keys being pressed or released, while the onKeyPress event represents a character being typed. The implementation of the theory is not same in all browsers.
...
Using IQueryable with Linq
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How to decide font color in white or black depending on background color?
...the concept. You can also generate your own JS formula right in the demo.
https://harthur.github.io/brain/
Below are some charts that helped me get my mind around the problem.
In the first chart, lightness is a constant 128, while hue and saturation vary. In the second chart, saturation is a const...
Searching word in vim?
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jQuery form serialize - empty string
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Unable to forward search Bash history similarly as with CTRL-r
...
You may want to try https://github.com/dvorka/hstr which allows for "suggest box style" filtering of Bash history with (optional) metrics based ordering i.e. it is much more efficient and faster in both forward and backward directions:
It can...
UIButton remove all target-actions
...ction:nil, forControlEvents:UIControlEvents.AllEvents)
For more details https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIControl_Class/index.html#//apple_ref/occ/instm/UIControl/removeTarget:action:forControlEvents:
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