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When should I use a struct instead of a class?
... edited Mar 26 '10 at 21:58
Jordan S. Jones
12.6k44 gold badges3939 silver badges4949 bronze badges
answered Sep 17 '08 at 17:34
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How do you express binary literals in Python?
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For reference—future Python possibilities:
Starting with Python 2.6 you can express binary literals using the prefix 0b or 0B:
>>> 0b101111
47
You can also use the new bin function to get the binary representatio...
Javascript: Extend a Function
...'re assigning these functions to some property somewhere, you can wrap the original function and put your replacement on the property instead:
// Original code in main.js
var theProperty = init;
function init(){
doSomething();
}
// Extending it by replacing and wrapping, in extended.js
thePr...
How do I use $scope.$watch and $scope.$apply in AngularJS?
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You need to be aware about how AngularJS works in order to understand it.
Digest cycle and $scope
First and foremost, AngularJS defines a concept of a so-called digest cycle. This cycle can be considered as a loop, during which AngularJS checks if there are any cha...
Fragments onResume from back stack
...nsitions between them to the backstack, I'd like to achieve the same behavior of onResume of an activity, i.e., whenever a fragment is brought to "foreground" (visible to the user) after poping out of the backstack, I'd like some kind of callback to be activated within the fragment (to perform certa...
How to simulate a click with JavaScript?
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Here's what I cooked up. It's pretty simple, but it works:
function eventFire(el, etype){
if (el.fireEvent) {
el.fireEvent('on' + etype);
} else {
var evObj = document.createEvent('Events');
evObj.initEvent(etype, true, false);
el.dispatchEvent(evObj);
}
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change type of input field with jQuery
This is supposed to change the #password input field (with id="password" ) that is of type password to a normal text field, and then fill in the text “Password”.
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Correct use for angular-translate in controllers
I'm using angular-translate for i18n in an AngularJS application.
5 Answers
5
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Why java.util.Optional is not Serializable, how to serialize the object with such fields
... to the question in the title, "Shouldn't Optional be Serializable?" The short answer is that the Java Lambda (JSR-335) expert group considered and rejected it. That note, and this one and this one indicate that the primary design goal for Optional is to be used as the return value of functions when...
How do I revert all local changes in Git managed project to previous state?
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If you want to revert changes made to your working copy, do this:
git checkout .
If you want to revert changes made to the index (i.e., that you have added), do this. Warning this will reset all of your unpushed commits to master!:
git reset
If you want to revert...