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Breaking out of nested loops [duplicate]
Is there an easier way to break out of nested loops than throwing an exception? (In Perl, you can give labels to each loop and at least continue an outer loop.)
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How to access component methods from “outside” in ReactJS?
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class Parent extends React.Class {
constructor(props) {
this._child = React.createRef();
}
componentDidMount() {
console.log(this._child.current.someMethod()); // Prints 'bar'
}
render() {
return (
<div>
<Child ref=...
Get specific line from text file using just shell script
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@KanagaveluSugumar read sed's info page. 5!d means delete all lines except 5. shell var is possible, you need double quotes.
– Kent
Apr 24 '14 at 10:15
13
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Why do this() and super() have to be the first statement in a constructor?
Java requires that if you call this() or super() in a constructor, it must be the first statement. Why?
19 Answers
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Xcode 5 - “iOS Simulator failed to install application” every time I switch simulators
....0 or 6.1 simulators to test, I get the error "iOS Simulator failed to install application." When I reset the simulator it works, but this is getting very tiring.
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✔ Checkmark selected row in UITableViewCell
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Update Swift 4
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
tableView.cellForRow(at: indexPath)?.accessoryType = .checkmark
}
func tableView(_ tableView: UITableView, didDeselectRowAt indexPath: IndexPat...
Difference between Django's annotate and aggregate methods?
...rage_price': 34.35}
Returns a dictionary containing the average price of all books in the queryset.
Annotation
>>> q = Book.objects.annotate(num_authors=Count('authors'))
>>> q[0].num_authors
2
>>> q[1].num_authors
1
q is the queryset of books, but each book has been...
RichTextBox (WPF) does not have string property “Text”
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@alvinmeimoun Actually, Paragraph() had a Paragraph(Inline) overload at least since .NET 3.5 (and Run(string) was also valid - it's even in the example).
– Dragomok
Jan 6 '17 at 9:57
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Hiding axis text in matplotlib plots
...t to be awkward) what happens if I want to add an xlabel()? Other than manually placing a text widget.
– Dave
Feb 1 '10 at 12:52
5
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How do I commit case-sensitive only filename changes in Git?
... listing finds makefile when git expects Makefile, git will assume it is really the same file, and continue to remember it as Makefile.
The default is false, except git-clone(1) or git-init(1) will probe and set core.ignorecase true if appropriate when the repository is created.
Case-insensitive fi...