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How do I ignore the initial load when watching model changes in AngularJS?
...al load,
var initializing = true
and then when the first $watch fires, do
$scope.$watch('fieldcontainer', function() {
if (initializing) {
$timeout(function() { initializing = false; });
} else {
// do whatever you were going to do
}
});
The flag will be tear down just at the e...
Function in JavaScript that can be called only once
...on't be executed. I know from C++ and Java about static variables that can do the work but I would like to know if there is a more elegant way to do this?
...
What is the difference between -viewWillAppear: and -viewDidAppear:?
...
In general, this is what I do:
1) ViewDidLoad - Whenever I'm adding controls to a view that should appear together with the view, right away, I put it in the ViewDidLoad method. Basically this method is called whenever the view was loaded into memory....
How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
...
According to APIdock the name has to be a string, not a symbol
– Jaco Pretorius
Dec 31 '13 at 14:38
7
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throwing exceptions out of a destructor
Most people say never throw an exception out of a destructor - doing so results in undefined behavior. Stroustrup makes the point that "the vector destructor explicitly invokes the destructor for every element. This implies that if an element destructor throws, the vector destruction fails... The...
How do you fork your own repository on GitHub?
...eplicate/copy it and work on a new project based on this repository, but I don't want to affect how it is now. I tried forking it using the GitHub UI but it didn't do anything.
...
How do I check if an integer is even or odd? [closed]
...swer above stating that using x & 1 is "faster" or "more efficient". I do not believe this to be the case.
Out of curiosity, I created two trivial test case programs:
/* modulo.c */
#include <stdio.h>
int main(void)
{
int x;
for (x = 0; x < 10; x++)
if (x % 2)
...
How do I get rid of “[some event] never used” compiler warnings in Visual Studio?
... warning 67 and can thus be suppressed with:
#pragma warning disable 67
Don't forget to restore it as soon as possible (after the event declaration) with:
#pragma warning restore 67
However, I'd check again and make sure you're raising the event somewhere, not just subscribing to it. The fac...
How do you give iframe 100% height [duplicate]
...
You can do it with CSS:
<iframe style="position: absolute; height: 100%; border: none"></iframe>
Be aware that this will by default place it in the upper-left corner of the page, but I guess that is what you want to ac...
How do I assign an alias to a function name in C++?
...s easy to create a new name for a type, a variable or a namespace. But how do I assign a new name to a function? For example, I want to use the name holler for printf . #define is obvious... any other way?
...