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Unique ways to use the Null Coalescing operator [closed]
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Well, first of all, it's much easier to chain than the standard ternary:
string anybody = parm1 ?? localDefault ?? globalDefault;
vs.
string anyboby = (parm1 != null) ? parm1
: ((localDefault != null) ? localDefault
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autolayout - make height of view relative to half superview height
...seems like a really trivial problem example. I have a view that I want to sit at the top of the screen, and take up half of the screen-height. Simple before autolayout - just tack it in place and tell it to expand vertically when the superview resizes.
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Get encoding of a file in Windows
... tool (Windows 7) to get the current encoding of a text file? Sure I can write a little C# app but I wanted to know if there is something already built in?
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How do I find the install time and date of Windows?
This might sound like a little bit of a crazy question, but how can I find out (hopefully via an API/registry key) the install time and date of Windows?
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How does C compute sin() and other math functions?
...e that actually runs when you call sin() on a typical x86-64 Linux system. It is apparently faster than the fsin assembly instruction. Source code: sysdeps/ieee754/dbl-64/s_sin.c, look for __sin (double x).
This code is very complex. No one software algorithm is as fast as possible and also accurat...
How to run a Runnable thread in Android at defined intervals?
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handler.postDelayed(r, 1000);
Or we can use normal thread for example (with original Runner) :
Thread thread = new Thread() {
@Override
public void run() {
try {
while(true) {
sleep(1000);
handler.post(this);
}
} cat...
Set the maximum character length of a UITextField
How can I set the maximum amount of characters in a UITextField on the iPhone SDK when I load up a UIView ?
44 Answers
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Adding placeholder text to textbox
I am looking for a way to add placeholder text to a textbox like you can with a textbox in html5.
24 Answers
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Multiple aggregations of the same column using pandas GroupBy.agg()
...ferent aggregating functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times?
3 ...
Is it safe to parse a /proc/ file?
I want to parse /proc/net/tcp/ , but is it safe?
7 Answers
7
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