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How to create a drop-down list?
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the background drawable you used is now obsolete
– Alberto M
Dec 13 '17 at 11:05
1
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How can I delete Docker's images?
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As @alexyz78 notes below, you can now use docker system prune. So to wipe everyhing: docker kill $(docker ps -q) to stop containers followed by a docker system prune -a will remove everything - see stackoverflow.com/a/44309011/247708
– B...
Pythonic way to check if a list is sorted or not
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Ah, that's an unpleasant surprise! I've fixed it now. Thanks!
– Alexandre Vassalotti
Aug 6 '13 at 0:54
3
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Java regex email
First of all, I know that using regex for email is not recommended but I gotta test this out.
20 Answers
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How to destroy an object?
As far as I know (which is very little) , there are two ways, given:
6 Answers
6
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Which is faster in Python: x**.5 or math.sqrt(x)?
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I've now run it 3 times on codepad.org and all three times a() was much faster than b().
– Jeremy Ruten
Nov 29 '08 at 1:38
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Replace multiple strings with multiple other strings
..."I have a cat, a dog, and a goat.";
str = str.replace(/cat/gi, "dog");
// now str = "I have a dog, a dog, and a goat."
str = str.replace(/dog/gi, "goat");
// now str = "I have a goat, a goat, and a goat."
str = str.replace(/goat/gi, "cat");
// now str = "I have a cat, a cat, and a cat."
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What is the difference between the bridge pattern and the strategy pattern?
...apsulate out a specific behavior and not the entire implementation) would know/contain the strategy interface reference and the implementation to invoke the strategy behavior on it.
Intent is ability to swap behavior at runtime
class Context {
IStrategy strategyReference;
void strategic...
Declaring an enum within a class
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Nowadays - using C++11 - you can use enum class for this:
enum class Color { RED, BLUE, WHITE };
AFAII this does exactly what you want.
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Is there a way to programmatically scroll a scroll view to a specific edit text?
...ng the UI thread, when you can, after you've done all you had to do before now, do this (scroll). You're basically putting the scroll in the queue and letting the thread do it when it can, respecting the order of things it was doing before you requested it.
– Martin Marconcini
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