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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...
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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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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Why does changing the returned variable in a finally block not change the return value?
...u assigned a new stringbuffer to s, then the behavior would be the same as now.
– Ted Hopp
Apr 16 '13 at 7:21
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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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How to check if an element is in an array
...rch through the book turned up nothing. Any idea how to check for this? I know that there is a method find that returns the index number, but is there a method that returns a boolean like ruby's #include? ?
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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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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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Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...nough to advertise that users can override the dependency, as it's a well-known pattern, but I'll grant that overloaded constructors are marginally more 'in your face' :)
– Mark Seemann
Jul 20 '11 at 7:21
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