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disable textbox using jquery?
... value = $(this).val();
if(value == 'x'){
enableInput('foo'); //with class foo
enableInput('bar'); //with class bar
}else{
disableInput('foo'); //with class foo
disableInput('bar'); //with class bar
}
});
});
...
When is a function too long? [closed]
...
There's no real hard and fast rules for it. Generally I like my methods to just "do one thing". So if it's grabbing data, then doing something with that data, then writing it to disk then I'd split out the grabbing and writing into separate methods so my "main" method just ...
What are the best practices to follow when declaring an array in Javascript?
...n array with just one pre-specified number element in it!
Using [] is actually more efficient, and safer too! It's possible to overwrite the Array constructor and make it do odd things, but you can't overwrite the behaviour of [].
Personally, I always use the [] syntax, and similarly always use {...
How can I get the ID of an element using jQuery?
...'#test').prop('id')
which is different from .attr() and $('#test').prop('foo') grabs the specified DOM foo property, while $('#test').attr('foo') grabs the specified HTML foo attribute and you can find more details about differences here.
...
Isn't “package private” member access synonymous with the default (no-modifier) access?
...package. As a concrete example :
package ab;
class A {
protected void foo() {}
void dd(){}
}
class C {
void aa(){
A a = new A();
a.foo(); //legal
a.dd(); //legal
}
}
package sub;
class D extends A{
void ac(){
foo(); //legal ..
dd(); //...
How to add custom validation to an AngularJS form?
... }
};
}]);
You can use it like this:
<input ng-model="foo" invalid-if="{fooIsGreaterThanBar: 'foo > bar',
fooEqualsSomeFuncResult: 'foo == someFuncResult()'}/>
Or by just passing in an expression (it will be given the default validation...
Why does git revert complain about a missing -m option?
...
By default git revert refuses to revert a merge commit as what that actually means is ambiguous. I presume that your HEAD is in fact a merge commit.
If you want to revert the merge commit, you have to specify which parent of the merge you want to consider to be the main trunk, i.e. what you want...
filter items in a python dictionary where keys contain a specific string
..._string not in key:
continue
# do something
However if you realllly want something to let you iterate through a filtered dict then I would not do the two step process of building the filtered dict and then iterating through it, but instead use a generator, because what is more pythonic...
Return only string message from Spring MVC 3 Controller
...equestMapping(value="/controller", method=GET)
@ResponseBody
public String foo() {
return "Response!";
}
From: 15.3.2.6 Mapping the response body with the @ResponseBody annotation:
The @ResponseBody annotation [...] can be put on a method and indicates that the return type should be writte...
Is it possible to make a type only movable and not copyable?
...of a value is a byte copy:
let x: T = ...;
let y: T = x; // byte copy
fn foo(z: T) -> T {
return z // byte copy
}
foo(y) // byte copy
They are byte copies whether or not T moves or is "implicitly copyable". (To be clear, they aren't necessarily literally byte-by-byte copies at run-time: ...