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Why aren't Java Collections remove methods generic?
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Josh Bloch and Bill Pugh refer to this issue in Java Puzzlers IV: The
Phantom Reference Menace, Attack of the Clone, and Revenge of The
Shift.
Josh Bloch says (6:41) that they attempted to generify the get method
of Map, remove meth...
How do I prevent Android taking a screenshot when my app goes to the background?
...R.layout.main);
}
}
This definitely secures against manual screenshots and automatic screenshots from the ICS recent-tasks history. It also secures against screen recording (e.g., apps using the media projection APIs).
UPDATE: it also secures against Now On Tap or other assistants on Android 6....
Get value of a string after last slash in JavaScript
I am already trying for over an hour and cant figure out the right way to do it, although it is probably pretty easy:
10 An...
Undo changes in entity framework entities
....NET entity framework automatically tracks changes (in generated entities) and therefore keeps the original values, how can I rollback changes made to the entity objects?
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Why is lazy evaluation useful?
... You can actually emulate an infinite list in Python using generators and generator expressions (which work in a similar way to a list comprehension): python.org/doc/2.5.2/ref/genexpr.html
– John Montgomery
Nov 5 '08 at 15:11
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Redirecting Output from within Batch file
I am creating a batch file with some simple commands to gather information from a system. The batch file contains commands to get the time, IP information, users, etc.
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Disable Auto Zoom in Input “Text” tag - Safari on iPhone
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The browser will zoom if the font-size is less than 16px and the default font-size for form elements is 11px (at least in Chrome and Safari).
Additionally, the select element needs to have the focus pseudo-class attached.
input[type="color"],
input[type="date"],
input[type="datet...
Move all files except one
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If you use bash and have the extglob shell option set (which is usually the case):
mv ~/Linux/Old/!(Tux.png) ~/Linux/New/
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Cost of len() function
...ength of the element - very fast) on every type you've mentioned, plus set and others such as array.array.
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Difference between del, remove and pop on lists
...;>> a = [9, 8, 7, 6]
>>> del a[1]
>>> a
[9, 7, 6]
and pop removes the item at a specific index and returns it.
>>> a = [4, 3, 5]
>>> a.pop(1)
3
>>> a
[4, 5]
Their error modes are different too:
>>> a = [4, 5, 6]
>>> a.remove(7)
T...