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AngularJS ngClass conditional
Is there any way to make an expression for something like ng-class to be a conditional?
11 Answers
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How do I remove a property from a JavaScript object?
...
Like this:
delete myObject.regex;
// or,
delete myObject['regex'];
// or,
var prop = "regex";
delete myObject[prop];
Demo
var myObject = {
"ircEvent": "PRIVMSG",
"method": "newURI",
"regex": "^http://.*"
};
d...
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...class in your xib.
I downloaded your project.
The error you are getting is
'NSUnknownKeyException', reason: '[<UIViewController 0x3927310> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key string.'
It is caused by the Second view controller in MainW...
How to limit the maximum value of a numeric field in a Django model?
...mber of decimal places stored and the overall number of characters stored, is there any way to restrict it to storing only numbers within a certain range, e.g. 0.0-5.0 ?
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How do I check for nulls in an '==' operator overload without infinite recursion?
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Use ReferenceEquals:
Foo foo1 = null;
Foo foo2 = new Foo();
Assert.IsFalse(foo1 == foo2);
public static bool operator ==(Foo foo1, Foo foo2) {
if (object.ReferenceEquals(null, foo1))
return object.ReferenceEquals(null, foo2);
return foo1.Equals(foo2);
}
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How to read and write into file using JavaScript?
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For completeness, the OP does not state he is looking to do this in a browser (if he is, as has been stated, it is generally not possible)
However javascript per se does allow this; it can be done with server side javascript.
See this documentation on the Javascript...
How to make an enum conform to a protocol in Swift?
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This is my attempt:
protocol ExampleProtocol {
var simpleDescription: String { get }
mutating func adjust()
}
enum ExampleEnum : ExampleProtocol {
case Base, Adjusted
var simpleDescription: String {
r...
What does asterisk * mean in Python? [duplicate]
... have a special meaning in Python as it does in C? I saw a function like this in the Python Cookbook:
5 Answers
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How can I return NULL from a generic method in C#?
I have a generic method with this (dummy) code (yes I'm aware IList has predicates, but my code is not using IList but some other collection, anyway this is irrelevant for the question...)
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RuntimeWarning: DateTimeField received a naive datetime
... a simple mail using IPython. I have not set up any models still getting this error. What can be done?
9 Answers
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