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How to pass a function as a parameter in Java? [duplicate]
... example is in commons-collections, where you have interfaces for Closure, Transformer, and Predicate, and methods that you pass implementations of those into. Guava is the new improved commons-collections, you can find equivalent interfaces there.
So for instance, commons-collections has org.apach...
How can I make a JPA OneToOne relation lazy
...
public Issue getPrevious() { return previous; }
// in the getter, transform the collection into an Issue for the clients
public Issue getNext() { return next.isEmpty() ? null : next.get(0); }
}
share
...
How to change the style of alert box?
...
border:0 none;
width:70px;
font:0.7em verdana,arial;
text-transform:uppercase;
text-align:center;
color:#FFF;
background-color:#357EBD;
border-radius: 3px;
text-decoration:none;
}
/* unrelated styles */
#mContainer {
position:relative;
width:600px;
...
AngularJS $http and $resource
...e is powerful because it condenses the code for RESTful CRUD calls and the transformations for input and output. That's great if you're sick of repeatedly writing code to process the results of $http yourself. To anyone else, $resource adds a cryptic layer of syntax and parameter passing that is con...
Save classifier to disk in scikit-learn
...l', 'rb') as fin:
vectorizer, clf = pickle.load(fin)
X_new = vectorizer.transform(new_samples)
X_new_preds = clf.predict(X_new)
Before dumping the vectorizer, one can delete the stop_words_ property of vectorizer by:
vectorizer.stop_words_ = None
to make dumping more efficient.
Also if your ...
What is the purpose of the word 'self'?
... in mind, that basically, a call like
v_instance.length()
is internally transformed to
Vector.length(v_instance)
it is easy to see where the self fits in. You don't actually write instance methods in Python; what you write is class methods which must take an instance as a first parameter. And ...
How can I merge properties of two JavaScript objects dynamically?
...tation for this syntax. If you're using babel you'll need the babel-plugin-transform-object-rest-spread plugin for it to work.
ECMAScript 2015 (ES6) Standard Method
/* For the case in question, you would do: */
Object.assign(obj1, obj2);
/** There's no limit to the number of objects you can merge...
Code equivalent to the 'let' keyword in chained LINQ extension method calls
... recommend against using the let keyword in cases where you do not need to transform a variable
– JB. With Monica.
Jul 21 '15 at 14:03
...
NameError: global name 'xrange' is not defined in Python 3
...mpatibility
range = xrange
except NameError:
pass
# Python 2 code transformed from range(...) -> list(range(...)) and
# xrange(...) -> range(...).
The latter is preferable for codebases that want to aim to be Python 3 compatible only in the long run, it is easier to then just use Py...
Why can't I use switch statement on a String?
...essary overhead. In my experience it has only made sense to use valueOf to transform into an enumeration if a typesafe representation of the String value was needed later on.
– MilesHampson
Jul 23 '13 at 10:07
...