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Remove ActiveRecord in Rails 3
Now that Rails 3 beta is out, I thought I'd have a look at rewriting an app I have just started work on in Rails 3 beta, both to get a feel for it and get a bit of a head-start. The app uses MongoDB and MongoMapper for all of its models and therefore has no need for ActiveRecord. In the previous ver...
Installing R with Homebrew
... I got error: Error: homebrew/science was deprecated. This tap is now empty as all its formulae were migrated.
– Menglong Li
Jul 3 '18 at 13:24
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How to download a Nuget package without nuget.exe or Visual Studio extension?
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I think, this should be the accepted answer now as it's more actual.
– Alexey
Mar 11 '16 at 13:42
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Can someone explain this 'double negative' trick? [duplicate]
...e whether it's confusing or not. I personally find it highly intuitive to know what's "falsey" and what's "truthy" when cast to a Boolean.
– Chris
Jul 30 '13 at 3:15
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Class does not implement its superclass's required members
... init(coder: NSCoder) {
fatalError("NSCoding not supported")
}
If you know you don't want to be NSCoding compliant, this is an option. I've taken this approach with a lot of my SpriteKit code, as I know I won't be loading it from a storyboard.
Another option you can take which works rather we...
Android XML Percent Symbol
... Packaging Tool (aapt) has become very strict in its latest release and is now used for all Android versions. The aapt-error you're getting is generated because it no longer allows non-positional format specifiers.
Here are a few ideas how you can include the %-symbol in your resource strings.
If ...
Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;
...any jar library there, so I have unchecked Android Private Libraries item. Now my project is running.
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Why does CSS not support negative padding?
...egative padding would be useful and awesome.
As all of us CSS developers know, vertically aligning a dynamically sizing div within another is a hassle, and for the most part, viewed as being impossible only using CSS. The incorporation of negative padding could change this.
Please review the follo...
Is there a performance difference between i++ and ++i in C++?
...ent translation units. Compiler with g++ 4.5.
Ignore the style issues for now
// a.cc
#include <ctime>
#include <array>
class Something {
public:
Something& operator++();
Something operator++(int);
private:
std::array<int,PACKET_SIZE> data;
};
int main () {
S...
Autocompletion in Vim
...ic code completion as you type.
2015 Edit: I personally use YouCompleteMe now.
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