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How to get the nvidia driver version from the command line?
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modinfo does the trick.
root@nyx:/usr/src# modinfo nvidia|grep version:
version: 331.113
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Is there a way to get a collection of all the Models in your Rails app?
...ntent of the models directory of your application...
Dir.foreach("#{RAILS_ROOT}/app/models") do |model_path|
# ...
end
EDIT: Another (wild) idea would be to use Ruby reflection to search for every classes that extends ActiveRecord::Base. Don't know how you can list all the classes though...
ED...
Converting an array of objects to ActiveRecord::Relation
...l as sorting them with a specific column(id for instance). Since I'm using MySQL, the field function could be helpful.
MyModel.where('id in (?)',ids).order("field(id,#{ids.join(",")})")
The SQL looks like:
SELECT ... FROM ... WHERE (id in (11,5,6,7,8,9,10))
ORDER BY field(id,11,5,6,7,8,9,10)
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...、最终解决“看病难”的问题？他们的这些尝试，最终会如何改造互联网医疗的产业格局、以及中国医疗的组织形态？网易科技将继续选取其中的代表性商业模式，推出系列报道。
相关阅读：
“体制内医生集团”获千万级融...
Why do I need Transaction in Hibernate for read-only operations?
...nsactions can be optimized by DBs, but this of course is DB specific. E.g. MySQL added support for this only in InnoDB starting from 5.6.4 version.
If you're not using JDBC directly, but rather an ORM, that might be problematic. For instance Hibernate community says that working outside of transacti...
How do I ignore all files in a folder with a Git repository in Sourcetree?
...r/directory, do the following: if you don't have a .gitignore file in the root of your project (that name exactly ".gitignore"), create a dummy text file in the folder you want to exclude. Inside of Source Tree, right click on it and select Ignore. You'll get a popup that looks like this.
Se...
Detect application heap size in Android
...uation (of which I am aware) for which the two methods can diverge is on a rooted device running an Android version such as CyanogenMod, which allows the user to manually select how large a heap size should be allowed for each app. In CM, for example, this option appears under "CyanogenMod settings...
Set the maximum character length of a UITextField
...g references to all the textviews (which reference the superviews up until root-)
– Ixx
Sep 6 '16 at 12:09
3
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Adaptive segue in storyboard Xcode 6. Is push deprecated?
...troller as the initial view controller in the storyboard and make VC_A the rootViewController, both ‘push’ and ‘show’ have the same effect. If I don’t have an initial navigation controller and I use ‘show’ I get what you described in that the VC_B does a slide up from bottom. If I try ...
Using Sass Variables with CSS3 Media Queries
...pport for older browsers too).
$mq-laptop: 1440px;
$mq-desktop: 1680px;
:root {
--font-size-regular: 14px;
--gutter: 1rem;
}
// The fact that we have to use a `max-width` media query here, so as to not
// overlap with the next media query, is a quirk of postcss-css-variables
@media (min-w...