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How to get all selected values from ?
... <select multiple="multiple"> elements, the .val() method returns an array containing each selected option;
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Java SafeVarargs annotation, does a standard or best practice exist?
...he "variable arguments" that goes in the varargs parameter, and creates an array just like new X[] { ...(arguments go here)... }.
This works well when the varargs type is concrete like String.... When it's a type variable like T..., it also works when T is known to be a concrete type for that call....
Perform .join on value in array of objects
If I have an array of strings, I can use the .join() method to get a single string, with each element separated by commas, like so:
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Getting all names in an enum as a String[]
...siest and/or shortest way possible to get the names of enum elements as an array of String s?
20 Answers
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How to iterate object in JavaScript? [duplicate]
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You can do it with the below code. You first get the data array using dictionary.data and assign it to the data variable. After that you can iterate it using a normal for loop. Each row will be a row object in the array.
var data = dictionary.data;
for (var i in data)
{
var i...
filtering NSArray into a new NSArray in Objective-C
I have an NSArray and I'd like to create a new NSArray with objects from the original array that meet certain criteria. The criteria is decided by a function that returns a BOOL .
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Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
...B supports Java objects, so you can do something like this:
A = java.util.ArrayList();
A.add(1);
A.add(2);
A.add(3);
A.add(4);
A.add(5);
itr = A.listIterator();
while itr.hasNext()
k = itr.next();
disp(k);
% modify data structure while iterating
itr.remove();
itr.add(k);
en...
jQuery map vs. each
...can be used as an iterator, but is really meant to manipulate the supplied array and return a new array.
Another important thing to note is that the each function returns the original array while the map function returns a new array. If you overuse the return value of the map function you can pot...
Haskell: Lists, Arrays, Vectors, Sequences
...ding performance differences of Haskell lists and (insert your language)'s arrays.
1 Answer
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Why do most C developers use define instead of const? [duplicate]
...-only.
In places where the compiler requires a true constant (such as for array sizes for non-VLA arrays), using a const variable, such as fieldWidth is just not possible.
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