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How to unset a JavaScript variable?
...123 };
var foo = new Foo();
// foo.bar is 123
foo.bar = 456;
// foo.bar is now 456
delete foo.bar;
// foo.bar is 123 again.
So be careful.
EDIT: My answer is somewhat inaccurate (see "Misconceptions" at the end). The link explains all the gory details, but the summary is that there can be big dif...
Remove leading or trailing spaces in an entire column of data
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didn't know about CLEAN(..) till today! very useful:)
– Dmitry Pavliv
Apr 8 '14 at 11:45
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How to configure IntelliJ (also Android Studio) redo shortcut to CTRL+Y instead of CTRL+SHIFT+Z?
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Now i get it. I erroneously went to the Main Menu and then tried to right click Edit -> Redo because i couldn't find 'Redo' in the list in the settings screen. It can be found via Search, though.
– ne...
How to convert an iterator to a stream?
... targetStream = StreamSupport.stream(
Spliterators.spliteratorUnknownSize(sourceIterator, Spliterator.ORDERED),
false);
An alternative which is maybe more readable is to use an Iterable - and creating an Iterable from an Iterator is very easy with lambdas because Iterable is a f...
How to get rspec-2 to give the full trace associated with a test failure?
Right now if I run my test suite using rake spec I get an error:
6 Answers
6
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'id' is a bad variable name in Python
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PEP 8, which was updated 01-Aug-2013, now advises avoiding potential confusion by simply appending _ to the variable name. Please see my answer.
– DavidRR
Jan 22 '15 at 14:28
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Literal suffix for byte in .NET?
...t seems that they've done this move in VB.NET (might not be released right now), and they might implement it in roslyn for C# - go give your vote, if you think that's something you'd like. You'd also have a chance to propose a possible syntax.
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How to show “Done” button on iPhone number pad
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now that we have UIGestureRecognizers, just set up a tap gesture recognizer on the main viewcontroller view and have it send endEditing:YES to it's view. This will close the keyboard for every textfield that the keyboard cou...
View's SELECT contains a subquery in the FROM clause
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Now allowed in 5.7 ! :-)
– François Breton
Feb 18 '16 at 14:26
4
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How can I detect whether an iframe is loaded?
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Good catch @MohdAbdulMujib, it's now a classic one :-)
– The Alpha
Nov 15 '18 at 21:18
1
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