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NSLog/printf specifier for NSInteger?
A NSInteger is 32 bits on 32-bit platforms, and 64 bits on 64-bit platforms. Is there a NSLog specifier that always matches the size of NSInteger ?
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Git: Ignore tracked files
...I don't want to untrack them, I just don't want them to appear as modified and I don't want them to be staged when I git add.
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RuntimeWarning: invalid value encountered in divide
...is trying to "divide by zero" or "divide by NaN". If you are aware of that and don't want it to bother you, then you can try:
import numpy as np
np.seterr(divide='ignore', invalid='ignore')
For more details see:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.seterr.html
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Set multiple properties in a List ForEach()?
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How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor
I have a .diff file created by a coworker, and would like to apply the changes listed in that diff file to my local branch of the exact same repository. I do not have access to that worker's pc or branch that was used to generate this diff file.
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Change Canvas.Left property in code behind?
I have a rectangle in my XAML and want to change its Canvas.Left property in code behind:
3 Answers
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switch() statement usage
...ue again. It seems switch is generally faster than if statements.
So that, and the fact that the code is shorter/neater with a switch statement leans in favor of switch:
# Simplified to only measure the overhead of switch vs if
test1 <- function(type) {
switch(type,
mean = 1,
m...
Using a BOOL property
...s used with heap allocated NSObjects like NSString*, NSNumber*, UIButton*, and etc, because memory managed accessors are created for free. When you create a BOOL, the value is always allocated on the stack and does not require any special accessors to prevent memory leakage. isWorking is simply th...
Correct way to populate an Array with a Range in Ruby
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What if the array is already created and you want to add a range to it: I have order = 1. Then order << (2.25).to_a. But this creates another array inside the array, I simply want the range from 2 to 25. Yet if I try order << (2.25) I get the error c...
Matplotlib - Move X-Axis label downwards, but not X-Axis Ticks
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