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Fade/dissolve when changing UIImageView's image
...CATransition *transition = [CATransition animation];
transition.duration = 0.25;
transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
transition.type = kCATransitionFade;
transition.delegate = self;
[self.view.layer addAnimation:transition forKey:...
How to view the contents of an Android APK file?
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answered Jun 15 '14 at 12:27
Jens EratJens Erat
32.5k1515 gold badges6868 silver badges8686 bronze badges
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How to search for “R” materials? [closed]
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John D. CookJohn D. Cook
27.7k1010 gold badges6262 silver badges9393 bronze badges
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How to convert milliseconds into human readable form?
...obody else has stepped up, I'll write the easy code to do this:
x = ms / 1000
seconds = x % 60
x /= 60
minutes = x % 60
x /= 60
hours = x % 24
x /= 24
days = x
I'm just glad you stopped at days and didn't ask for months. :)
Note that in the above, it is assumed that / represents truncating integ...
How I can I lazily read multiple JSON values from a file/stream in Python?
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20
Here's a much, much simpler solution. The secret is to try, fail, and use the information in th...
Yii2 data provider default sorting
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answered Feb 27 '15 at 13:47
Kristīne GlodeKristīne Glode
1,29922 gold badges1515 silver badges2222 bronze badges
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Inserting code in this LaTeX document with indentation
...t}):
\usepackage{listings}
\usepackage{color}
\definecolor{dkgreen}{rgb}{0,0.6,0}
\definecolor{gray}{rgb}{0.5,0.5,0.5}
\definecolor{mauve}{rgb}{0.58,0,0.82}
\lstset{frame=tb,
language=Java,
aboveskip=3mm,
belowskip=3mm,
showstringspaces=false,
columns=flexible,
basicstyle={\small\ttfa...
Python Pandas: Get index of rows which column matches certain value
...[i] returns the ith row of df. i does not refer to the index label, i is a 0-based index.
In contrast, the attribute index returns actual index labels, not numeric row-indices:
df.index[df['BoolCol'] == True].tolist()
or equivalently,
df.index[df['BoolCol']].tolist()
You can see the differenc...
How to write iOS app purely in C
...c_msgSend(self->window, sel_getUid("initWithFrame:"), (struct CGRect) { 0, 0, 320, 480 });
// here, we are creating our view controller, and our view. note the use of objc_getClass, because we cannot reference UIViewController directly in C.
id viewController = objc_msgSend(objc_msgSend(...
Printing leading 0's in C?
I'm trying to find a good way to print leading 0's, such as 01001 for a zipcode. While the number would be stored as 1001, what is a good way to do it?
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