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Why does my application spend 24% of its life doing a null check?
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180
The tree is massive
By far the most expensive thing a processor ever does is not executing ...
FontAwesome icons not showing. Why?
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106
Under your reference, you have this:
<link href="//maxcdn.bootstrapcdn.com/font-awesome/4.1...
What's a simple way to get a text input popup dialog box on an iPhone
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This renders an alertView like this (screenshot taken from the iPhone 5.0 simulator in XCode 4.2):
When pressing any buttons, the regular delegate methods will be called and you can extract the textInput there like so:
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger...
What are the differences between 'call-template' and 'apply-templates' in XSL?
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edited Feb 14 '15 at 22:00
Johnny Bones
8,08255 gold badges3636 silver badges9393 bronze badges
answer...
How can I make a time delay in Python? [duplicate]
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3028
import time
time.sleep(5) # Delays for 5 seconds. You can also use a float value.
Here is ...
How to run a single test from a rails test suite?
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160
NOTE: This doesn't run the test via rake. So any code you have in Rakefile will NOT get executed...
scale Image in an UIButton to AspectFit?
...ze.width;
CGFloat targetHeight = targetSize.height;
CGFloat scaleFactor = 0.0;
CGFloat scaledWidth = targetWidth;
CGFloat scaledHeight = targetHeight;
CGPoint thumbnailPoint = CGPointMake(0.0,0.0);
if (!CGSizeEqualToSize(imageSize, targetSize)) {
CGFloat widthFactor = targetWidth / width...
Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
...t;>> df = pd.DataFrame({'A': [a], 'B': [b]})
>>> df
A B
0 2 3
or use scalar values and pass an index:
>>> df = pd.DataFrame({'A': a, 'B': b}, index=[0])
>>> df
A B
0 2 3
share...
Why doesn't java.lang.Number implement Comparable? [duplicate]
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It's worth mentioning that the following expression:
new Long(10).equals(new Integer(10))
is always false, which tends to trip everyone up at some point or another. So not only can you not compare arbitrary Numbers but you can't even determine if they're equal or not.
Also, with the ...
Using sed and grep/egrep to search and replace
I am using egrep -R followed by a regular expression containing about 10 unions, so like:
.jpg | .png | .gif etc. This works well, now I would like to replace all strings found with .bmp
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