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What is Ruby's double-colon `::`?
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In C#, for instance, yes. On the other hand C++ (and Ruby) use :: for namespace resolution such as std::cout << "Hello World!";
– Jerry Fernholz
Jun 9 '10 at 20:29
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What is the shortcut in IntelliJ IDEA to find method / functions?
I know that Ctrl + N is to find classes and it is very useful. But what about methods?
16 Answers
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How to change Android Studio's editor font?
... the font under Appearance but that just changes the font used around AS and not inside the editor.
10 Answers
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Mapping over values in a python dictionary
...ues()))) is marginally shorter, but I have to think about what it's doing, and remind myself that yes, keys and values are iterated over in the same order if the dict doesn't change. I don't have to think at all about what the dictcomp is doing, and so it's the right answer.
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How to unset max-height?
... Just a note that this doesn't work for min-height (none is not allowed and results in the value not being overriden).
– Jon
Dec 5 '16 at 11:46
1
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How to check a not-defined variable in JavaScript
...nly be done with try/catch, since typeof will treat an undeclared variable and a variable declared with the value of undefined as equivalent.
But, to check if a variable is declared and is not undefined:
if (yourvar !== undefined) // Any scope
Previously, it was necessary to use the typeof opera...
Infinity symbol with HTML
...resting results within 3 seconds, including utf8icons.com, fileformat.info and others.
– trejder
Jun 12 '14 at 11:00
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How to pause / sleep thread or process in Android?
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One solution to this problem is to use the Handler.postDelayed() method. Some Google training materials suggest the same solution.
@Override
public void onClick(View v) {
my_button.setBackgroundResource(R.drawable.icon);
Handler handler = new Handler();
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Save An Image To Application Documents Folder From UIView On IOS
I have a UIImageView that allows a user to place and hold an image until it can be saved. The problem is, I can't figure out how to actually save and retrieve the image I've placed in the view.
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How to get the name of the current method from code [duplicate]
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And then there is CallerMemberNameAttribute stackoverflow.com/a/15310053/58768
– bohdan_trotsenko
Mar 17 '16 at 14:33
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