大约有 25,300 项符合查询结果（耗时：0.0545秒） [XML]
Rails migration: t.references with alternative name?
...ferable_as, index: true, foreign_key: {to_table: :courses}
t.references :same_as, index: true, foreign_key: {to_table: :courses}
share
|
improve this answer
|
follow
...
Benefits of prototypal inheritance over classical?
...ecided to learn JavaScript "properly". One of the most head-scratching elements of the languages design is it's implementation of inheritance. Having experience in Ruby, I was really happy to see closures and dynamic typing; but for the life of me can't figure out what benefits are to be had from ...
What are the performance characteristics of sqlite with very large database files? [closed]
I know that sqlite doesn't perform well with extremely large database files even when they are supported (there used to be a comment on the sqlite website stating that if you need file sizes above 1GB you may want to consider using an enterprise rdbms. Can't find it anymore, might be related to an o...
Install Gem from Github Branch?
...tem.
After Bundler 2.0, you can get around the above issue with this statement near the top of the Gemfile:
git_source(:github) { |repo| "https://github.com/#{repo}.git" }
share
|
improve this an...
Should I use a class or dictionary?
I have a class that contains only fields and no methods, like this:
9 Answers
9
...
Combine --user with --prefix error with setup.py install
...s directory , and the new option --user . (The option is currently undocumented , however it exists for Python 2.6+; you can see the help by running python setup.py install --help .)
...
Faye vs. Socket.IO (and Juggernaut)
...uthor of Faye.
Regarding Faye, everything you've said is true.
Faye implements most of Bayeux, the only thing missing right now is service channels, which I've yet to be convinced of the usefulness of. In particular Faye is designed to be compatible with the CometD reference implementation of Baye...
How do SQL EXISTS statements work?
I'm trying to learn SQL and am having a hard time understanding EXISTS statements. I came across this quote about "exists" and don't understand something:
...
What's the meaning of interface{}?
...s an interface?
An interface is two things:
it is a set of methods,
but it is also a type
The interface{} type, the empty interface is the interface that has no methods.
Since there is no implements keyword, all types implement at least zero methods, and satisfying a...
How can I configure NetBeans to insert tabs instead of a bunch of spaces?
When I hit Tab for indenting code, I like to get a real tab. Meaning that when I select that, I only have one large thing selected. NetBeans inserts 5 spaces instead of a tab when I hit Tab . Is there a way I can change that?
...