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NSInvocation for Dummies?
How exactly does NSInvocation work? Is there a good introduction?
4 Answers
4
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What's the difference between git reset --mixed, --soft, and --hard?
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When you modify a file in your repository, the change is initially unstaged. In order to commit it, you must stage it—that is, add it to the index—using git add. When you make a commit, the changes that are committed are those that have been added to the inde...
What does “1 line adds whitespace errors” mean when applying a patch?
I'm editing some markdown files of a cloned remote repository, and wanted to test creating and applying patches from one branch to another. However, every time I make any change at all, I get the following message during git apply :
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Why would a JavaScript variable start with a dollar sign? [duplicate]
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Very common use in jQuery is to distinguish jQuery objects stored in variables from other variables.
For example, I would define:
var $email = $("#email"); // refers to the jQuery object representation of the dom object
var email_field = $("#email").get(0); // refers to the dom obj...
Getting a list of all subdirectories in the current directory
Is there a way to return a list of all the subdirectories in the current directory in Python?
27 Answers
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Updating Bootstrap to version 3 - what do I have to do?
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Download the latest version from http://getbootstrap.com/ OR Replace the css and js files with the newest versions or use CDN (http://www.bootstrapcdn.com/)
Migrate your html, yes indeed read http://bootply.com/bootstrap-3-migration-guide. You could try http://twitterbootstrapmigrat...
What is an efficient way to implement a singleton pattern in Java? [closed]
...Singleton
public enum Elvis {
INSTANCE;
private final String[] favoriteSongs =
{ "Hound Dog", "Heartbreak Hotel" };
public void printFavorites() {
System.out.println(Arrays.toString(favoriteSongs));
}
}
Edit: An online portion of "Effective Java" says:
"This ...
View the change history of a file using Git versioning
How can I view the change history of an individual file in Git, complete details with what has changed?
24 Answers
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How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
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Personally, I'd place it as the background image within the div, the CSS for that being:
#demo {
background: url(bg_apple_little.gif) no-repeat center center;
height: 200px;
width: 200px;
}
(Assumes a div with id="demo" as you are already specifying height and width adding a backgrou...
unit testing of private functions with mocha and node.js
I am using mocha in order to unit test an application written for node.js
9 Answers
9
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