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Deleting an object in java?
...to delete an object I created, (a oval which follows you), but how would I do this?
7 Answers
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In Node.js, how do I “include” functions from my other files?
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+1 Nicely done, even confines the imported code to it's own namespace. I'll have to make a note of this for later.
– Evan Plaice
Jan 20 '12 at 23:35
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How to implement the activity stream in a social network
...as your needs change. Also, if you aren't using MySQL you might be able to do better index-wise.
For faster access to the most recent activities, I've been experimenting with Redis. Redis stores all of its data in-memory, so you can't put all of your activities in there, but you could store enoug...
Declaration/definition of variables locations in ObjectiveC?
...hese variables only in your implementation, but not from other classes. To do that, you had to declare accessor methods, that look something like this:
// MyClass.h
@interface MyClass : NSObject {
int myVar;
}
- (int)myVar;
- (void)setMyVar:(int)newVar;
@end
// MyClass.m
@implementation MyC...
What's the point of JAXB 2's ObjectFactory classes?
...ts. They are not usually trivial to create by hand, so the create* methods do the hard work for you. Example (from the XHTML 1.1 schema):
@XmlElementDecl(namespace = "http://www.w3.org/1999/xhtml", name = "style", scope = XhtmlHeadType.class)
public JAXBElement<XhtmlStyleType> createXhtmlHead...
Double vs single quotes
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" " allows you to do string interpolation, e.g.:
world_type = 'Mars'
"Hello #{world_type}"
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Bootstrap: How do I identify the Bootstrap version?
I want to update Bootstrap on a site, but I don't know the installed version.
11 Answers
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Why is the Java main method static?
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Implementing an interface does not solve the instantiation problem.
– Jacob Krall
Nov 15 '11 at 18:59
26
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git switch branch without discarding local changes
...es, which you have not yet committed to master, to be on develop.
If you don't have a develop yet, the method is trivial:
$ git checkout -b develop
This creates a new develop branch starting from wherever you are
now. Now you can commit and the new stuff is all on develop.
You do have a develo...
What is JavaScript garbage collection?
...cope variable. All
of those objects are instructed to
tear themselves down, which destroys
any circular references.
The main purpose of garbage collection is to allow the programmer not to worry about memory management of the objects they create and use, though of course there's no avoid...