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Is there an opposite of include? for Ruby Arrays?
...)
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end
ActiveSupport adds the exclude? method to Array, Hash, and String. This is not pure Ruby, but is used by a LOT of rubyists.
Source: Active Support Core Extensions (Rails Guides)
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In Clojure 1.3, How to read and write a file
...the reader is closed at the end of the body. The reader function coerces a string (it can also do a URL, etc) into a BufferedReader. line-seq delivers a lazy seq. Demanding the next element of the lazy seq results into a line being read from the reader.
Note that from Clojure 1.7 onwards, you can a...
getActionBar() returns null
...d:debuggable="false"
android:icon="@drawable/icon"
android:label="@string/app_name"
android:theme="@style/Theme.NoTitle"> // remove this line if you have this in your code
<activity
android:name="com.xxx.yyy.Activity"
android:configChanges="orientation|keyboardHid...
Do I really have a car in my garage? [duplicate]
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For simplicity's sake, I would override the ToString() methods in each class and return the concrete type as a string then use a switch() to decide what to do with each item.
– Captain Kenpachi
Jul 23 '14 at 7:38
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“Thinking in AngularJS” if I have a jQuery background? [closed]
...together, you instead define a library of components, each identified by a string.
Say I have a component called 'FlickrService' which defines methods for pulling JSON feeds from Flickr. Now, if I want to write a controller that can access Flickr, I just need to refer to the 'FlickrService' by name...
项目管理实践【五】自动编译和发布网站【Using Visual Studio with Source ...
...和发布网站【Using Visual Studio with Source Control System to build and publish website automatically】在上一篇教程项目管理实践【三】每日构建【Daily Build Using CruiseControl NET and MSBuild】中，我们讲解了如何使用CCNET+MSBuild 在上一篇教程项目管理...
How to escape hash character in URL
...hash sign (sometimes known as number sign or pound sign) sent in the query string of a URL?
1 Answer
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Java: Multiple class declarations in one file
... System.out.println("Fun mathod");
}
public static void main(String[] args) {
Fun fu = new Fun();
fu.fun();
Fen fe = new Fen();
fe.fen();
Fin fi = new Fin();
fi.fin();
Fon fo = new Fon();
fo.fon();
Fan fa = new Fan...
Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
...T:
extension NSLayoutConstraint {
override public var description: String {
let id = identifier ?? ""
return "id: \(id), constant: \(constant)" //you may print whatever you want here
}
}
OBJECTIVE-C
@interface NSLayoutConstraint (Description)
@end
@implementation NSL...
How do I get the object if it exists, or None if it does not exist?
...go will raise the DoesNotExist exception every time.
The idiomatic way to handle this in python is to wrap it in a try catch:
try:
go = SomeModel.objects.get(foo='bar')
except SomeModel.DoesNotExist:
go = None
What I did do, is to subclass models.Manager, create a safe_get like the code a...