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Use of “global” keyword in Python
...global is only useful to change or create global variables in a local context, although creating global variables is seldom considered a good solution.
def bob():
me = "locally defined" # Defined only in local context
print(me)
bob()
print(me) # Asking for a global variable
The ab...
Windows batch: formatted date into variable
...can get the current date in a locale-agnostic way using
for /f "skip=1" %%x in ('wmic os get localdatetime') do if not defined MyDate set MyDate=%%x
Then you can extract the individual parts using substrings:
set today=%MyDate:~0,4%-%MyDate:~4,2%-%MyDate:~6,2%
Another way, where you get variab...
iOS 7 parallax effect in my view controller
...in my app with a few buttons and a pretty background image. (It's a simple xib with UIButtons on top of a UIImageView .)
...
android: move a view on touch move (ACTION_MOVE)
...
Something like this:
public class MyActivity extends Activity implements View.OnTouchListener {
TextView _view;
ViewGroup _root;
private int _xDelta;
private int _yDelta;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState)...
iOS White to Transparent Gradient Layer is Gray
...
Swift 3 Syntax,
UIColor(white: 1, alpha: 0).cgColor
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Writing string to a file on a new line every time
...
You can do this in two ways:
f.write("text to write\n")
or, depending on your Python version (2 or 3):
print >>f, "text to write" # Python 2.x
print("text to write", file=f) # Python 3.x
...
How to find elements by class
... edited Jan 1 '18 at 18:34
valex
2,60811 gold badge1818 silver badges2929 bronze badges
answered Feb 18 '11 at 12:04
...
How do you uninstall MySQL from Mac OS X?
... I just didn't pay enough attention. Now when I try to install the correct x86 version it says that it can't install because a newer version is already installed. A Google query led me to perform these actions/delete these files to uninstall it:
...
Passing variable number of arguments around
...kes a variable number of arguments: How can I call another function which expects a variable number of arguments from inside of it, passing all the arguments that got into the first function?
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How to convert a string or integer to binary in Ruby?
...reate integers 0..9 and math operators + - * / in to binary strings.
For example:
6 Answers
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