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Accept function as parameter in PHP
...ll it, use this piece of code (if you need parameters also, put them on an array), seen at : http://php.net/manual/en/function.call-user-func.php
call_user_func_array( "string_holding_the_name_of_your_function", $arrayOfParameters );
as it follows (in a similar, parameterless, way):
function...
How to break out from a ruby block?
...eply nested within blocks it is (except in the case of lambdas):
def find(array, target)
array.each_with_index do |element,index|
return index if (element == target) # return from find
end
nil # If we didn't find the element, return nil
end
...
json_encode is returning NULL?
... of your results.
while($row = mysql_fetch_assoc($result)){
$rows[] = array_map('utf8_encode', $row);
}
Hope it helps!
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Is MATLAB OOP slow or am I doing something wrong?
...ll from syntax alone whether "f(x)" is a function call or an index into an array; it depends on the state of the workspace at run time.) It may be because MATLAB's class definitions are tied to filesystem state in a way that many other languages' are not.
So, what to do?
An idiomatic MATLAB approa...
Android: Difference between Parcelable and Serializable?
...yObjects Serializable class
import java.io.Serializable;
import java.util.ArrayList;
import java.util.TreeMap;
import android.os.Parcel;
import android.os.Parcelable;
public class MyObjects implements Serializable {
private String name;
private int age;
public ArrayList<String>...
Android: How do I get string from resources using its name?
...
@Sameer to get a array by Strings just use: res.getStringArray(R.array.planets_array); Take a look at this oficial link: developer.android.com/guide/topics/resources/…
– leonvian
Aug 16 '13 at 21:12
...
What does “hashable” mean in Python?
...xample, if you have 10,000 phone numbers, and you want to store them in an array (which is a sequential data structure that stores data in contiguous memory locations, and provides random access), but you might not have the required amount of contiguous memory locations.
So, you can instead use an ...
In PHP, what is a closure and why does it use the “use” identifier?
...examples than the above one. lets say you have to sort an multidimensional array by a sub-value, but the key changes.
<?php
function generateComparisonFunctionForKey($key) {
return function ($left, $right) use ($key) {
if ($left[$key] == $right[$key])
retu...
How do I implement a callback in PHP?
..." interchangeably, however, "callback" traditionally refers to a string or array value that acts like a function pointer, referencing a function or class method for future invocation. This has allowed some elements of functional programming since PHP 4. The flavors are:
$cb1 = 'someGlobalFunction';...
A 'for' loop to iterate over an enum in Java
...
@Hiro2k You could also do Arrays.stream(Enum.values()).forEach(...) - the stream will be sequential
– RAnders00
Feb 8 '16 at 12:42
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