foreach Questions
4
I see an example in the official site:
fun main(args : Array<String>) {
args filter {it.length() > 0} foreach {print("Hello, $it!")}
}
But when I copied it to idea, it reports that for...
2
Solved
When creating new objects in a LINQ statement, for example:
var list = new List<string>() { "a", "b", "c" };
var created = from i in list select new A();
With class A looking like this:
c...
Lussier asked 20/9, 2013 at 12:45
5
Solved
I'm trying to write a few lines of code to make a case insensitive array unique type function. Here's what I have so far:
foreach ($topics as $value) {
$lvalue = strtolower($value);
$uvalue = st...
6
Solved
Reading various questions here on Stack Overflow about C++ iterators and performance**, I started wondering if for(auto& elem : container) gets "expanded" by the compiler into the best pos...
Stumpy asked 30/5, 2012 at 18:2
2
Solved
Today, I stumbled over something in Perl I was not aware of: it "localizes" the variable that the elements of the list iterated over is assigned to.
This, of course, is documented in the Perl docu...
Ahrendt asked 15/2, 2017 at 7:51
4
Solved
I have a PowerShell script like this:
Foreach ($file in $files) {
[Do something]
[Do something]
[Do something]
}
This way one file is treated after the other. I want to treat 4 files at the s...
Berliner asked 28/4, 2017 at 17:9
8
Solved
How do I loop through each column in a datarow using foreach?
DataTable dtTable = new DataTable();
MySQLProcessor.DTTable(mysqlCommand, out dtTable);
foreach (DataRow dtRow in dtTable.Rows)
{
//f...
3
Solved
<?php
$data=array('1','2','3','4','5','6','7','8','9','10','11');
foreach($data as $key=> $element){
if($key % 2 != 0){
echo $element.'<br />';
}
echo '<hr />';
}
?>
php ...
4
Solved
I have sup aliased to submodule foreach 'git co master; git up' (co & up are aliases for checkout & pull --rebase, respectively.).
How do add a condition so that if the submodule name is L...
Esophagus asked 3/12, 2011 at 1:25
5
Solved
I see many answers about using ngFor when I search for this, but I understand ngFor. I'm asking about the angular.forEach() constructor used in my Angular 1 controllers. These are flagged as errors...
Sinister asked 12/6, 2017 at 14:43
7
Solved
Suppose I've got a method that accepts an array and processes each element in it using Java's built in for-each loop, like this:
public static void myFun(SomeClass[] arr) {
for (SomeClass sc : ar...
6
33
Solved
[1,2,3].forEach(function(el) {
if(el === 1) break;
});
How can I do this using the new forEach method in JavaScript? I've tried return;, return false; and break. break crashes and return does no...
Tumbrel asked 14/4, 2010 at 21:57
13
Solved
I understand that the basic for...of syntax in JavaScript looks like this:
for (let obj of myArray) {
// ...
}
But how do I get the loop counter/index when iterating with this syntax?
(With the s...
Hospitium asked 16/4, 2012 at 18:47
11
Solved
Why is my for for-each loop not iterating over my JavaScript associative array object?
// Defining an array
var array = [];
// Assigning values to corresponding keys
array["Main"] = &quo...
Natiha asked 14/9, 2013 at 17:42
2
(examples at the bottom!!!)
we have just upgrade our backend to PHP7 and after that, we have found a bug in our code related to an ArrayObject.
The code just loops over a copy of an Object (type ...
Conde asked 17/10, 2016 at 13:17
8
Solved
I'm using Codeigniter on an Apache xampp set up and attempting to use foreach in a view for the first time and I just can't get it to work.
My Controller code:
class Test extends CI_Controller {
...
Halverson asked 16/4, 2015 at 15:14
4
Solved
I'm trying to build a ForEach that is looping through an array of objects. Everything is working fine, but I cannot figure out how to add a Divider between the elements.
The layout for the rows is ...
16
Solved
I'm starting with a date 2010-05-01 and ending with 2010-05-10. How can I iterate through all of those dates in PHP?
4
Solved
So i have a map that i created (inserted data) in an order i wanted.
When parsing the map the 1st key returned in foreach is not the first key i inserted.
Is there a way for that to happen?
Also s...
Parisparish asked 22/5, 2010 at 23:58
5
Solved
I'm trying to produce a sql which is as below in mybatis.
SELECT COL_C
FROM TBLE_1
WHERE (COL_A, COL_B) in ( ('kp','kar'),('srt','sach'));
And my input parameter type is HashMap. Now How do I ge...
16
Solved
I need to run through a List in reverse order using Java.
So where this does it forwards:
for(String string: stringList){
//...do something
}
Is there some way to iterate the stringList in rev...
8
Solved
I have a the below code, on which i am unable to break the loop on certain conditions.
function isVoteTally(): boolean {
let count = false;
this.tab.committee.ratings.forEach((element) => {
c...
Nerissanerita asked 8/8, 2018 at 12:58
4
Solved
I have an array of object that have different values like
items=[{id:1,category:"cat_1" , title:"My title 1"},{id:2,category:"cat_2" , title:"My title 2"},{id:6,category:"cat_1" , title:"Another ...
Arsphenamine asked 24/3, 2018 at 7:0
10
Solved
I just had a quick question regarding loops in Ruby. Is there a difference between these two ways of iterating through a collection?
# way 1
@collection.each do |item|
# do whatever
end
# way 2
...
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