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How to download and save a file from Internet using Java?
...here are several methods for grabbing and reading online files (URLs) line-by-line, but is there a way to just download and save the file using Java?
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Can I make the foreign key field optional in Django model
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Query a parameter (postgresql.conf setting) like “max_connections”
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setup cron tab to specific time of during weekdays
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What is an efficient way to implement a singleton pattern in Java? [closed]
... @bvdb: If you want lots of flexibility, you've already screwed up by implementing a singleton in the first place. The ability to create an independent instance when you need it is rather priceless in itself.
– cHao
Sep 22 '13 at 16:43
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Set cursor position on contentEditable
...ng point. IE doesn't support DOM Range.
var editable = document.getElementById('editable'),
selection, range;
// Populates selection and range variables
var captureSelection = function(e) {
// Don't capture selection outside editable region
var isOrContainsAnchor = false,
isOrC...
Is it possible to determine whether ViewController is presented as Modal?
...s also a UITabBarController class, then there is no way to do that, except by using a modal presentation
[[[self tabBarController] parentViewController] isKindOfClass:[UITabBarController class]]);
//iOS 5+
if (!isModal && [self respondsToSelector:@selector(presentingView...
React.js: Identifying different inputs with one onChange handler
...need to keep "total" as a separate value in state because it is composable by adding other values in your state:
var Hello = React.createClass({
getInitialState: function() {
return {input1: 0, input2: 0};
},
render: function() {
const total = this.state.input1 + this.st...
How does deriving work in Haskell?
...n automatically become instances of some typeclasse s (like Show , Eq ) by deriving from them.
3 Answers
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Using 'starts with' selector on individual class names
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componenthouse.com/article-19 : If you look in the get by class section, using the regular dot syntax is usually a decent bit faster than treating the class as an attribute. Add the substring searching (and the additional work he'll have to do to break out elements with multiple ...