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How to quickly and conveniently create a one element arraylist [duplicate]
...st way, that I know of, is to create a fixed-size single element List with Arrays.asList(T...) like
// Returns a List backed by a varargs T.
return Arrays.asList(s);
Variable size List
If it needs vary in size you can construct an ArrayList and the fixed-sizeList like
return new ArrayList<St...
How to convert byte array to string and vice versa?
I have to convert a byte array to string in Android, but my byte array contains negative values.
22 Answers
...
What is the difference between canonical name, simple name and class name in Java Class?
...the toString() method to complete the previous two answers. Further, I add arrays of lambdas and arrays of anonymous classes (which do not make any sense in practice though):
package com.example;
public final class TestClassNames {
private static void showClass(Class<?> c) {
Syst...
Quickly find whether a value is present in a C array?
...dded application with a time-critical ISR that needs to iterate through an array of size 256 (preferably 1024, but 256 is the minimum) and check if a value matches the arrays contents. A bool will be set to true is this is the case.
...
chai test array equality doesn't work as expected
...mpare objects rather than their data, and in your case it is two different arrays.
Use .eql in order to deeply compare values. Check out this link.
Or you could use .deep.equal in order to simulate same as .eql.
Or in your case you might want to check .members.
For asserts you can use .deepEqual, ...
Java String split removed empty values
...
split(delimiter) by default removes trailing empty strings from result array. To turn this mechanism off we need to use overloaded version of split(delimiter, limit) with limit set to negative value like
String[] split = data.split("\\|", -1);
Little more details:
split(regex) internally return...
Javascript Reduce an empty array
When I reduce the array, I am trying to get the number zero, but I dont clearly understand the behaviour of the function
2 ...
How to change value of object which is inside an array using JavaScript or jQuery?
...
You have to search in the array like:
function changeDesc( value, desc ) {
for (var i in projects) {
if (projects[i].value == value) {
projects[i].desc = desc;
break; //Stop this loop, we found it!
}
}
}
and use it l...
How to construct a REST API that takes an array of id's for the resources
...ribed here: en.wikipedia.org/wiki/…. You would only use CSV to represent arrays in requests, while the service responses should be serialized using XML or JSON. Are there any particular reasons why you don't consider my approach to be REST?
– Florin Dumitrescu
...
Calculate business days
...upport for leap years.
Enter the starting and ending dates, along with an array of any holidays that might be in between, and it returns the working days as an integer:
<?php
//The function returns the no. of business days between two dates and it skips the holidays
function getWorkingDays($sta...