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nodejs vs node on ubuntu 12.04
I installed nodejs on ubuntu from instructions given here
20 Answers
20
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How do I make and use a Queue in Objective-C?
...ject != nil) {
[[headObject retain] autorelease]; // so it isn't dealloc'ed on remove
[self removeObjectAtIndex:0];
}
return headObject;
}
// Add to the tail of the queue (no one likes it when people cut in line!)
- (void) enqueue:(id)anObject {
[self addObject:anObject]...
Homebrew install specific version of formula?
How do I install a specific version of a formula in homebrew? For example, postgresql-8.4.4 instead of the latest 9.0.
27 ...
R memory management / cannot allocate vector of size n Mb
...
Consider whether you really need all this data explicitly, or can the matrix be sparse? There is good support in R (see Matrix package for e.g.) for sparse matrices.
Keep all other processes and objects in R to a minimum when you need to make obj...
List Git aliases
...amed alias which gets stored in your ~/.gitconfig file. Using it will list all of your git aliases, in nearly the same format as they are in the ~/.gitconfig file. To use it, type:
$ git alias
loga = log --graph --decorate --name-status --all
alias = ! git config --get-regexp ^alias\. | sed -e s/^a...
When does static class initialization happen?
...tialized? If I never instantiate a class, but I access a static field, are ALL the static blocks and private static methods used to instantiate private static fields called (in order) at that instant?
...
Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
...dicate function can be used to write arbitrary filters.
The function is called for each element of array. The final result is
an array of those elements that the predicate returned true for.
<input ng-model="query">
<tr ng-repeat="smartphone in smartphones | filter: search ">
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In eclipse, unable to reference an android library project in another android project
... referencing project in the same physical folder as the library project it all went fine.
I guess that this must be something to do with android using ant underneath the covers.
Edit: The project name needs match the folder name on the file system. What you are seeing in the Project Properties->...
Double vs single quotes
I'm really new to Ruby and I'm trying to understand if there's a specific time when I should use "" vs '' .
8 Answers
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Check if a string contains one of 10 characters
...tion) >= 0;
}
That way you don't end up creating a new array on each call. The string is also easier to scan than a series of character literals, IMO.
Of course if you're only going to use this once, so the wasted creation isn't a problem, you could either use:
private const string Punctuatio...