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AndrisP 193 Posting Pro in Training
Re: loop nested php array menu

And do not redefine svg objects on each use it, reuse defined objects instead e.g.
css

#svg_sources {
    position: fixed;
    top: 0;
    left: 0;
}

html

<html xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg">
<head>
...
</head>
<body>
<div id="svg_sources">
<svg xmlns="http://www.w3.org/2000/svg" version="1.1" x="0" y="0" width="0" height="0">
    <defs>
        <g id="menu_lines">
            <line x1="3" y1="0" x2="3.01" y2="0" />
            <line x1="8" y1="0" x2="21" y2="0" />
        </g>
        <g id="menu_icon" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-list">
            <use xlink:href="#menu_lines" transform="translate(0,6)" />
            <use xlink:href="#menu_lines" transform="translate(0,12)" />
            <use xlink:href="#menu_lines" transform="translate(0,18)" />
        </g>
        <polyline id="menu_bullet" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-list" points="9 18 15 12 9 6" />
    </defs>
</svg>
</div>

php

function print_recursive($list){
    echo '<ul style="list-style-type:none">';
    foreach($list as $item){
        echo '<li id="'.$item['id'].'"><a href="javacript:void(0);"><svg width="24" height="24" viewBox="0 0 24 24"><use xlink:href="#menu_bullet" /></svg>'.$item['text'];
        if( isset($item['children']) ){
            print_recursive($item['children']);
        }
        echo '</li>';
    }
    echo '</ul>';
}
echo '<svg width="24" height="24" viewBox="0 0 24 24"><use xlink:href="#menu_icon" /></svg>';
print_recursive($list);
Web Development html-css mysql php
Member Avatar for AndrisP
AndrisP 193 Posting Pro in Training
Re: loop nested php array menu

Use recursive printing e.g.

<?php
function print_recursive($list){
    echo '<ul>';
    foreach($list as $item){
        echo '<li id="'.$item['id'].'">'.$item['text'];
        if( isset($item['children']) ){
            print_recursive($item['children']);
        }
        echo '</li>';
    }
    echo '</ul>';
}
print_recursive($list);
?>
Web Development html-css mysql php
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AndrisP 193 Posting Pro in Training
Re: How to link table "implode array in one cell" with foreign key?

I think You need normalize DB-tables for first.

create table Pensyarah(
    IDPensyarah integer not null primary key auto_increment
  , IDUser varchar(50) not null
  , NamaPensyarah varchar(100) not null
  , Email varchar(50) not null
  , NoTel varchar(11) not null
);

create table Kursus(
    IDKursus integer not null primary key auto_increment
  , Semester integer not null
  , KodKursus varchar(50) not null
  , NamaKursus varchar(50) not null
);

create table PensyarahKursusRefs(
    PensyarahKursus integer not null primary key auto_increment
  , IDPensyarah integer not null
  , IDKursus integer not null
  , constraint IDPens_IDKurs_Sem_UQ unique key (Semester,IDPensyarah,IDKursus)
  , constraint Pensyarah_FK foreign key (IDPensyarah) references Pensyarah(IDPensyarah)
  , constraint Kursus_FK foreign key (IDKursus) references Kursus(IDKursus)
);

Then creat view for convenient select list of "Kursus" in one column
like in sample:

create or replace view PensyarahKursus as
select
    p.IDUser
  , p.NamaPensyarah
  , p.Email
  , p.NoTel
  , k.Semester
  , group_concat(k.KodKursus separator ', ') kursusList
from Pensyarah p
left join PensyarahKursusRefs pkr using(IDPensyarah)
left join Kursus k using(IDKursus)
group by
    p.IDUser
  , p.NamaPensyarah
  , p.Email
  , p.NoTel
  , k.Semester
;

You can create procedure for convenient reference inserting:

delimiter $$
create procedure set_Kursus_ref(
    in p_IDUser varchar(50)
  , in p_KodKursus varchar(50)
)
begin
  insert into PensyarahKursusRefs(IDPensyarah,IDKursus) values (
      (select p.IDPensyarah from Pensyarah p where p.IDUser = p_IDUser)
    , (select k.IDKursus from Kursus k where k.KodKursus = p_KodKursus)
  );
end; $$
delimiter ;

Then sample insert and select:

insert into Pensyarah(IDUser,NamaPensyarah,Email,NoTel)
  values ('sample_ID_user_1','sample_Nama_1','sample.1@sapmle.com','11111111111');
insert into Pensyarah(IDUser,NamaPensyarah,Email,NoTel)
  values ('sample_ID_user_2','sample_Nama_2','sample.2@sapmle.com','22222222222');
insert into Pensyarah(IDUser,NamaPensyarah,Email,NoTel)
  values ('sample_ID_user_3','sample_Nama_3','sample.3@sapmle.com','33333333333');

insert into Kursus(Semester,KodKursus,NamaKursus) values (1,'KK-1','KursusNama-1');
insert into Kursus(Semester,KodKursus,NamaKursus) values …
Web Development mysql php
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AndrisP 193 Posting Pro in Training
Re: Problem querying SQLite database

In your examples 2 and 3 are missing final } on while loop

Web Development php
Ant_426 commented: Thanks for spotting that, Andris. Unfortunately that is not the problem though, that was just a copy/paste error on my part. +0
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AndrisP 193 Posting Pro in Training
Re: Why am I getting a network error regardless of what file I try to download

What about require - files exists on defined path?

Web Development file-system php
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AndrisP 193 Posting Pro in Training
Re: SQLite query to return records earlier than a certain year?

I think your mistake is comparing string and number

SQLite.png

You should be use cast(strftime('%Y', HireDate) as number)<2003

Software Development sql
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AndrisP 193 Posting Pro in Training
Re: Search problem(value is store in reverse order)

I think your mistake is mixed use of variable names "searchdata" and "searchname"

Web Development php
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AndrisP 193 Posting Pro in Training
Re: Uncaught Error: Call to undefined function mysql_query()

I'm sorry - check your PHP version. Extension "mysql_..." depraceted in PHP 5.5.0 and removed in PHP 7 mysql_query

Programming mysql sql
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AndrisP 193 Posting Pro in Training
Re: Uncaught Error: Call to undefined function mysql_query()

For first check your MySQL version

select version() from dual;

Because all "mysql_..." in current (MySQL 8.0.) is deprecated - probably you should be use "mysqli_..." instead

Programming mysql sql
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Re: There is no Image to show after I upload image
  1. I recomend use prepared statement instead of directly put user input data to SQL query.
  2. Use SEND_LONG_DATA to store blob into database.
Programming mysql php sql
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AndrisP 193 Posting Pro in Training
Re: Add data to table -

if you want to denormalize SQL table for search then you think wrong

Programming php
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AndrisP 193 Posting Pro in Training
Re: need to change the color of submit button if input has some value

Use CSS e.g. 

input[type="button"][value="one"] {
    background: blue;
}
input[type="button"][value="two"] {
    background: red;
}
Web Development javascript javascript-jquery php
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AndrisP 193 Posting Pro in Training
Re: Show the array values as a radio button

Radio buttons let a user select ONLY ONE of a limited number of choices
Use same attribute "name" but array of values use as attribute "value" e.g.

var div = document.createElement('div');
div.setAttribute('id','my_div');
document.body.appendChild(div);

function addradio(){
    const names=["abi","sam","tom"];
    names.forEach(
        function(curr){
            document.getElementById("my_div").innerHTML+='<br/>'
            +'<input type="radio" id="my_'+curr+'" name="names" value="'+curr+'" />'
            +'<label for="my_'+curr+'">'+curr+'</label>';
        }
    );
}

addradio();
Web Development file-system javascript
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AndrisP 193 Posting Pro in Training
Re: I have a problem with this script

Your mistake is comma after $_POST['JENIS_PERMINTAAN']. If you want to handle as array $_POST['JENIS_PERMINTAAN'], reverse_tanggal($_POST['TGL_PERMINTAAN']) then include it in square brackets

foreach([$_POST['JENIS_PERMINTAAN'], reverse_tanggal($_POST['TGL_PERMINTAAN'])] as $idx=>$val){
Web Development php
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AndrisP 193 Posting Pro in Training
Re: prepared UPDATE statement with date

Manage date in SQL query:

$id = $_GET['id'];
$sql = "UPDATE apparatuur SET inlever_datum = date(current_date()+7), uitleen_datum = NOW() WHERE id= ? ";
$stmt = $conn->prepare($sql);
$stmt->bind_param('i', $id);
$status = $stmt->execute();
Software Development mysql visual-basic
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AndrisP 193 Posting Pro in Training
Re: MySQL - automatically update row after5 min of inactivity (set expirat

Create event in database MySQL event create

Web Development mysql php sql
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AndrisP 193 Posting Pro in Training
Re: problem with spaces in folder name

and another question - why you do not use pathinfo($file,PATHINFO_EXTENSION) insead of substr($file, strrpos($file, '.') + 1) in line 4?

Web Development php
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AndrisP 193 Posting Pro in Training
Re: Copy bulk Files in Linux

Do not need write script for this. Actually its a single line command e.g.
You have directory dir1 which contains multiple files and dir2 which is target to copy cp dir1/* dir2/ copy all files

Linux and Unix
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AndrisP 193 Posting Pro in Training
Re: Mysql query for sum two table data by product wise

get totals:

select
    ifnull(t.product_id,'Total') product_id
    ,sum(t.sale) sale
    ,sum(t.purchase) purchase
from (
    SELECT I.product_id, 
        ifnull(S.sale, 0) AS sale, 
        ifnull(P.purchase, 0) AS purchase
    FROM product I
        LEFT JOIN (
            SELECT product_id, SUM(quantity) AS sale
            FROM order_item 
            GROUP BY product_id
        ) S ON S.product_id = I.product_id
        LEFT JOIN (
            SELECT product_id, SUM(quantity) AS purchase
            FROM pur_item
            GROUP BY product_id
        ) P ON P.product_id = I.product_id
    where S.sale is not null or P.purchase is not null
) t
group by t.product_id with rollup
;
Databases client-server mssql mysql php sql
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AndrisP 193 Posting Pro in Training
Re: Mysql query for sum two table data by product wise

Sorry suquery will have to be used here but your join is incorrect - for first select all product ID's from product table then join sale and purcase

select
    p.product_id
    ,s.sale
    ,c.purchase
from (
    select product_id from product
) p
left join (
    select product_id, sum(quantity) sale from order_item group by product_id
) s on s.product_id = p.product_id
left join (
    select product_id, sum(quantity) purchase from pur_item group by product_id
) c on c.product_id = p.product_id
where s.sale is not null or c.purchase is not null;
Databases client-server mssql mysql php sql
Member Avatar for AndrisP
AndrisP 193 Posting Pro in Training
Re: Mysql query for sum two table data by product wise

For first check correct result using separate queries:

select product_id, sum(quantity) from pur_item group by product_id;
select product_id, sum(quantity) from order_item group by product_id;

and i recommend do not use subqueries if it possible - it's too slow

Databases client-server mssql mysql php sql
Member Avatar for AndrisP
AndrisP 193 Posting Pro in Training
Re: Mysql query for sum two table data by product wise

I recommend use join instead of subquery if possible because join works faster. I think you have another table e.g. products which contains all product id. Select product_id from products and left join sale and purchase. Where clause exclude null values e.g.

select
    p.product_id
    ,sum(s.quantity) sale
    ,sum(c.quantity) purchase
from products p
left join purchase c on c.product_id = p.product_id
left join sale s on s.product_id = p.product_id
where c.quantity is not null or s.quantity is not null
group by p.product_id;

also may add rollup to get total sales and total purchases

select
    coalesce(p.product_id,'Total')
    ,sum(s.quantity) sale
    ,sum(c.quantity) purchase
from products p
left join purchase c on c.product_id = p.product_id
left join sale s on s.product_id = p.product_id
where c.quantity is not null or s.quantity is not null
group by p.product_id with rollup;
Databases client-server mssql mysql php sql
nishita_1 commented: dear sir, Thank you you are really helpful. Thanks sir +0
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AndrisP 193 Posting Pro in Training
Re: Reverse Word Order

It's a very simple in single row:

string='India is a democracy'
print (' '.join([word for word in reversed(string.split(' '))]))
Software Development python
Aman_24 commented: thank u +0
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AndrisP 193 Posting Pro in Training
Re: JS Form - showing field supposed to hide

You can add to CSS 

.PaperApplication {
    visibility: hidden;
}

for set element with class PaperApplication hidden by default. After click radio button function change it to visible.

Web Development javascript
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AndrisP 193 Posting Pro in Training
Re: Get next three months from current month in javascript

In JS months numbered from 0 to 11. Actually 11 is december. You can write simple function

function addMonths(d,n){
    var dt=new Date(d.getTime());
    dt.setMonth(dt.getMonth()+n);
    return dt;
}

and then e.g.

var d=new Date(); // current date
var d1=addMonths(d,1);
var d2=addMonths(d,2);
var d3=addMonths(d,3);

convert month number to 1-12

var n1=d1.getMonth()+1;
var n2=d2.getMonth()+1;
var n3=d3.getMonth()+1;
Web Development javascript
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AndrisP 193 Posting Pro in Training
Re: How to insert subjects with its grades into the database using php

Please post human readable HTML

Web Development mysql php
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AndrisP 193 Posting Pro in Training
Re: how to insert multiple data of array of checkbox in database

In your HTML code <table> not opened, table row <tr> not opened, invalid <input> tag without > - it should be something like

if($result->num_rows > 0){
    echo '<table>';
    while ($row6 = $result->fetch_assoc()){
        //table code//
        echo '<tr>';
        echo '<td><input type="checkbox"  name="check[]" value="'.$cato.'" /></td>';
        echo '</tr>';
    }
    echo '</table>';
}

PHP code $cat better use filtered variable

$cat = filter_input(
    INPUT_POST
    ,'check'
    ,FILTER_VALIDATE_INT
    ,FILTER_REQUIRE_ARRAY
);

other variables also filtered eg

$price = filter_input(INPUT_POST,'price',FILTER_SANITIZE_STRING);
$pickup_date = filter_input(INPUT_POST,'pickup_date',FILTER_SANITIZE_STRING);
...

Do not pass user input variables direct to SQL query - its a potential SQL injection risk! Use prepared statement instead - prepare, bind_param, execute - read manual MySQLi bind param or PDO bind param

Web Development php
jack98 commented: thanks for responding, really appreciate it. :) +0
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AndrisP 193 Posting Pro in Training
Re: How to display data into radio but

Inputs should be inside form. Inputs with similar names should be pass as array.

<input type="checkbox" name="name[]" value="<?php echo $name;?>" /><?php echo $name;?>
Web Development javascript-jquery mysql php sql
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Re: Is /etc/services still alive anymore?

Command enable/disable managed auto start of service on PC switch on or restart but for start/stop service must be used start/stop/restart command or you can check status using command status e.g.

systemctl status apache2
Linux and Unix shell-scripting
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AndrisP 193 Posting Pro in Training
Re: Is /etc/services still alive anymore?

List of enabled/disabled srvices ~$ systemctl list-unit-files
Script for enable:

#!/bin/bash

for i in $*
do
    sudo systemctl enable $i
done

Call above script with passing multiple arguments or call below script with hardcoded services

#!/bin/bash

for i in eg_service_1 eg_service_2 eg_service_3
do
    sudo systemctl enable $i
done
Linux and Unix shell-scripting
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AndrisP 193 Posting Pro in Training
Re: Accessing TextBox inside iFrame checkout
Programming javascript
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AndrisP 193 Posting Pro in Training
Re: passing a variable XMLHttpRequest 
$height=$_GET['height'];
$width=$_GET['width'];

Your code raise PHP error if variable not set - must be check if(isset($_GET['height'])){ $height=$_GET['height']; } or much better you can use filtered variables PHP - filter_input

$height = filter_input(INPUT_GET, 'height', FILTER_VALIDATE_INT);
$width = filter_input(INPUT_GET, 'width', FILTER_VALIDATE_INT);

Then set as session variables only if variable is not NULL

if($width !== NULL){
    $_SESSION['width'] = $width;
}
if($height !== NULL){
    $_SESSION['height'] = $height;
}

Otherwise your session variables always set to NULL if not set new values on each http request - in fact it does not work as a session variables

Web Development javascript php xml
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AndrisP 193 Posting Pro in Training
Re: passing a variable XMLHttpRequest

This looks good. Show PHP code where you try to set variables to global or session.

Web Development javascript php xml
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AndrisP 193 Posting Pro in Training
Re: mysqli_fetch_array() expects parameter 1 to be mysqli
  1. Uncripted password never store in to the database
  2. Use prepared statement instead of direct passing variables to SQL query
  3. Then write a question
Web Development mysql php
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AndrisP 193 Posting Pro in Training
Re: help please with this php code

Use 

$id = filter_input(INPUT_GET, 'id', FILTER_VALIDATE_INT);
if($id !== NULL){
    ...
}

instead of lines 4,5,6, use prepared statement intead of direct pass variable (line 7) to prevent from SQL injection.
White space in GET parameter can be damage your variable <a href="newtestpage.php?id=<?php echo $post['C_ID'];?> #editEmployeeModal" class="edit" id ="<?php echo $post['C_ID'];?>" data-toggle="modal">
?id=<?php echo $post['C_ID'];?> #editEmployeeModal

Web Development php
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Re: PHP Help copy content into a new file in a random dir

Directory is created? Add to line 5 "or die('Cannot create directory')" eg
mkdir($dirname) or die ("Cannot create directory");
check web server error log file. Probably permission denied.

Web Development php
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AndrisP 193 Posting Pro in Training
Re: Problem In php

Include database (line 9) should be outside of object User because in line 11 you define reference to db connection which is lost after comlete user construct

Web Development php
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AndrisP 193 Posting Pro in Training
Re: How to insert select values to multiple users checkbox in PHP MySQLi?

MySQLi method is shown in my first respond.
If you use bindParam() (PDO method - my second respond) $con should be PDO object.
Read http://php.net/manual/en/mysqli-stmt.bind-param.php and http://php.net/manual/en/pdostatement.bindparam.php

Web Development mysql php
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AndrisP 193 Posting Pro in Training
Re: How to insert select values to multiple users checkbox in PHP MySQLi?

@Talib_1 this is (procedural) MySQLi method not PDO. The PDO would look something like this:

$stmt = $con->prepare("INSERT INTO table(id,s_id,date,time) VALUES (null,:s_id,:date,:time)");
$stmt->bindParam(':date', $date, PDO::PARAM_STR);
$stmt->bindParam(':time', $time, PDO::PARAM_STR);
foreach($s_id as $val){
    $stmt->bindParam(':s_id', $val, PDO::PARAM_INT);
    $stmt->execute();
}
Web Development mysql php
Talib_1 commented: Thanks @AndrisP for your answer, I used this code appear(Fatal error: Call to a member function bindParam() on boolean) at line 2, how fix it? +0
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AndrisP 193 Posting Pro in Training
Re: How to insert select values to multiple users checkbox in PHP MySQLi?

Use prepared statement instead of direct insert to prevent from SQL injection!
Naming checkboxes with empty quadratic brackets e.g. 

<input type="checkbox" name="s_id[]" value="1" />
<input type="checkbox" name="s_id[]" value="2" />
<input type="checkbox" name="s_id[]" value="3" />

PHP

$s_id=filter_input(INPUT_POST,'s_id',FILTER_VALIDATE_INT,FILTER_REQUIRE_ARRAY);
$date=filter_input(INPUT_POST,'datee');
$time=filter_input(INPUT_POST,'time');

$stmt = mysqli_prepare($con, "INSERT INTO table(id,s_id,date,time) VALUES(null,?,?,?)");
mysqli_stmt_bind_param($stmt, "iss", $id,$d,$t);
$d=$date;
$t=$time;
foreach($s_id as $val){
    $id = $val;
    mysqli_stmt_execute($stmt);
}
Web Development mysql php
Talib_1 commented: Thank you Mr. Andrisp for your answer, I used you code but appear some warning, I don't understand PDO codes can you use MySQLi codes instead PDO? +0
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AndrisP 193 Posting Pro in Training
Re: what is wrong in this javascript

Why you do not use a switch? It would be more convenient here:

function kal(ta){
    var xy=ta,x1,x2,x3,x4;
    switch(xy){
        case 1: x1=0; x2=1; x3=1; x4=1; break;
        case 2: x1=1; x2=0; x3=1; x4=0; break;
        case 3: x1=0; x2=1; x3=0; x4=1; break;
        case 4: x1=1; x2=1; x3=1; x4=1; break;
        case 5: x1=0; x2=0; x3=1; x4=0; break;
        case 6: x1=0; x2=1; x3=1; x4=0; break;
        case 7: x1=1; x2=1; x3=1; x4=0; break;
        case 8: x1=1; x2=0; x3=1; x4=1; break;
        case 9: x1=1; x2=1; x3=0; x4=1; break;
        case 10: x1=0; x2=0; x3=1; x4=1; break;
        case 11: x1=1; x2=1; x3=0; x4=0; break;
        case 12: x1=0; x2=0; x3=0; x4=1; break;
        case 13: x1=0; x2=1; x3=0; x4=0; break;
        case 14: x1=1; x2=0; x3=0; x4=0; break;
        case 15: x1=1; x2=0; x3=0; x4=1; break;
        case 16: x1=0; x2=0; x3=0; x4=0; break;
    }
    this.xa = x1;
    this.xb = x2;
    this.xc = x3;
    this.xd = x4;
    return this;
}
Web Development javascript
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Re: what is wrong in this javascript

Look to the console: "as" is not defined (line 29 and 95), function in parameter "ta" not used inside function.

Web Development javascript
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AndrisP 193 Posting Pro in Training
Re: Convert The numerical string to regular expression? How?

It is not right answer - redundant white space after hiphens
right is: (\d{3}[-]){2}\d{5} (three digits with followed hiphens) {two times} and then five digits

Software Development
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Re: jQuery Datepicker: Set Current Date

I see you are using <input type="date" /> - do not need set date by jQuery, just add value (format YYYY-MM-DD), e.g. <input type="date" value="2018-09-24" />

Web Development javascript javascript-jquery
pty commented: This is the best way by a mile +9
Jon_7 commented: Looks simple enough, but I can't get it to work +1
rproffitt commented: Today is that day. +15
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Re: Add two external monitors

Read tech spec abot your graphic card - max count of monitors, sum of max pixel-width and sum of max pixel-height

Hardware
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Re: Fusion Chart taking data from xml

Your mistake is here caption='Harry' s SuperMart '

Web Development javascript xml
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Re: simple PHP OOP

you can call destructor by set object to NULL e.g.

$stefan = new person();
$jimmy = new person();
$stefan->set_name('stefan');
$jimmy->set_name('jimmy');
echo "Stefan Full Name : ".$stefan->get_name();
echo "Jimmy Full Name : ".$jimmy->get_name();

$stefan = NULL;
$jimmy = NULL;
Web Development php
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Re: simple PHP OOP

Also edit functions:

function set_name($new_name){
    $this->name = $new_name;
}

and

function get_name(){
    return $this->name;  
}
Web Development php
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AndrisP 193 Posting Pro in Training
Re: simple PHP OOP

... or call constructor with param:

$stefan = new person('Stefan');
Web Development php
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AndrisP 193 Posting Pro in Training
Re: simple PHP OOP

Edit __constructor to __construct and __destructor to __destruct.
If you define function with required argument then you cant initialize it without argument e.g.
Constructor with required argument:

function __construct($person_name){
    echo "Initialize class";
    $this->set_name($person_name);
}

Same contructor but argument is optional (set default value):

function __construct($person_name=NULL){
    echo "Initialize class";
    if($person_name !== NULL){
        $this->set_name($person_name);
    }
}
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