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Capture screenshot of active window?
...e active window and take a screenshot of this active window. Does anyone know how I can do this?
11 Answers
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Python: reload component Y imported with 'from X import Y'?
... Wow. I found this really handy. Thanks! I use this as one liner now: import X; reload( X ); from X import Y
– otterb
Apr 23 '14 at 22:26
1
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How do I get a string format of the current date time, in python?
...day().strftime("%B %d, %Y")
'July 23, 2010'
>>> datetime.datetime.now().strftime("%I:%M%p on %B %d, %Y")
'10:36AM on July 23, 2010'
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Rotating videos with FFmpeg
...os with FFmpeg. I am working with iPhone videos taken in portrait mode. I know how to determine the current degrees of rotation using MediaInfo (excellent library, btw) but I'm stuck on FFmpeg now.
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JavaScript - get the first day of the week from current date
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Using the getDay method of Date objects, you can know the number of day of the week (being 0=Sunday, 1=Monday, etc).
You can then subtract that number of days plus one, for example:
function getMonday(d) {
d = new Date(d);
var day = d.getDay(),
diff = d.getDate()...
Prevent dialog dismissal on screen rotation in Android
...
The best way to avoid this problem nowadays is by using a DialogFragment.
Create a new class which extends DialogFragment. Override onCreateDialog and return your old Dialog or an AlertDialog.
Then you can show it with DialogFragment.show(fragmentManager, ta...
How to create GUID / UUID?
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UUIDs (Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier), according to RFC 4122, are identifiers designed to provide certain uniqueness guarantees.
While it is possible to implement an RFC-compliant UUIDs in a few lines of JS (E.g. see @b...
Python timedelta in years
...e date. Currently I've got timedelta from datetime module and I don't know how to convert it to years.
16 Answers
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Difference between
...at you can only read from it and you'll get a T or subclass of T.
super
Now consider List <? super T>.
The wildcard declaration of List<? super Integer> foo3 means that any of these are legal assignments:
List<? super Integer> foo3 = new ArrayList<Integer>(); // Integer...
Date vs DateTime
...ortion of the value.
public static void Main()
{
System.DateTime _Now = DateAndTime.Now;
Console.WriteLine("The Date and Time is " + _Now);
//will return the date and time
Console.WriteLine("The Date Only is " + _Now.Date);
//will return only the date
Console.Write("Pres...