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How to use getJSON, sending data with post method?
...RL. This is the way to use it:
$.postJSON("http://example.com/json.php",{ id : 287 }, function (data) {
console.log(data.name);
});
The server must be prepared to handle the callback GET parameter and return the json string as:
jsonp000000 ({"name":"John", "age": 25});
in which "jsonp000000...
Django Forms: if not valid, show form with error message
I Django forms, it can check whether the form is valid:
7 Answers
7
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How do I manage MongoDB connections in a Node.js web application?
...t results from MongoClient.connect(). This gives you pooling, and will provide a noticeable speed increase as compared with opening/closing connections on each db action.
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What is the purpose of class methods?
...n some way. The most interesting thing about them is that they can be overridden by subclasses, something that's simply not possible in Java's static methods or Python's module-level functions.
If you have a class MyClass, and a module-level function that operates on MyClass (factory, dependency in...
Getting the name of a child class in the parent class (static context)
... simplicity in mind; everything goes fine except that I got stuck by a stupid inheritance limitation. Please consider the code below:
...
AngularJS ng-style with a conditional expression
...
As @Yoshi said, from angular 1.1.5 you can use-it without any change.
If you use angular < 1.1.5, you can use ng-class.
.largeWidth {
width: 100%;
}
.smallWidth {
width: 0%;
}
// [...]
ng-class="{largeWidth: myVar == 'ok'...
What is the most efficient way to create HTML elements using jQuery?
...hnique is the fastest. I speculate this is because jQuery doesn't have to identify it as an element and create the element itself.
You should really run benchmarks with different Javascript engines and weigh your audience with the results. Make a decision from there.
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Can you change a path without reloading the controller in AngularJS?
...answers it doesn't look good. I'd like to ask with this sample code in consideration...
12 Answers
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file_put_contents - failed to open stream: Permission denied
...
@MajidFouladpour I think chmod +x /parent/directory, for every parent directory of the target. chmod +x /parent/directory, chmod +x /parent, etc.
– Erhannis
Sep 17 '14 at 1:11
...
Are there strongly-typed collections in Objective-C?
...own classes:
@interface GenericsTest<__covariant T> : NSObject
-(void)genericMethod:(T)object;
@end
@implementation GenericsTest
-(void)genericMethod:(id)object {}
@end
Objective-C will behave like it did before with compiler warnings.
GenericsTest<NSString*>* test = [GenericsTe...