Connect with 1,267,423 developers, IT pros, digital marketers, and tech enthusiasts.
Be a part of our friendly, industry-focused community of professionals meeting, networking, learning, and sharing knowledge via articles, Q&As, discussion forums, and realtime chats.
Software Development Hello Again,
I am in need of some help getting my GUI to display the inventory values. The code runs and compiles successfully, but it does not display anything. I …
Web Development Hello everyone, I have a comment system using PHP and ajax, but it only have and function add, now I want to have a function edit comment and delete comment, …
Software Development Hi DW
I have a Canon MP250 printer which can scan, copy, and print. I want to create my own ScanGear of a direct program to instruct the printer to …
Software Development Hi all ,
Good Day!
I am having confusion in storing null values in hashmap and passing null in println method.
1) When I add null value in hash map …
Software Development Hi I got a quick question. Is there any way i can change the background color and the text color within my compiler of dev-c++. I'm not trying to change …
Web Development Hi all, I just came across something odd.
I'm just building a simple form, like this in visual studio
<div class="control-group">
<label class="control-label" for="rent">Rent</label>
<div class="controls">
<asp:RadioButton ID="rent" runat="server" … Software Development
Hi, All,
I am instructed to develop a console application which monitors a process. It is now done but the problem is when I'm running it the CPU usage increases …
Software Development Hi
I am working on a simple C++.Net project which will allow me to run another program (e.g., I. Ex., Word etc.).
However, I can't seem to find …
Software Development
In my Windows Forms c# project I try to connect to an already existing ms sql database file
(added binding Source on the form, then : bindingSource -> properties …
Linux and Unix
Hello fellow coders,
I need help, I'm getting this error.
vncserver@:1.service - Remote desktop service (VNC)
Loaded: loaded (/etc/systemd/system/vncserver@:1.service; enabled)
Active: Failed (Result: resources) since Mon 2015-01-19 23:46:19 CET; …
Web Development
How to read an excel file in php?
This is my index page:::
<html>
<head>
</head>
<body>
<form method="post" action="save_category.php" enctype="multipart/form-data">
<label >Import File<span class="mandatory">*</span></label>
<input type="radio" name="file" value="1" checked>Excel … Hardware and Software
What will you do for microsofts windows 10 beta help to change the future of windows what changes do you want to make it better?
POST YOUR ANSWERS HERE.
Software Development
Hi !
I am working in a project using vb.net 2010 with SAP Crystal Reports.
Regarding the Reports everything is fine but i had an unusual problem.
…
Software Development
I have below code to print richtextbox text. My textbox contains Regular and bold text but below code print either bold or reguler text. How can i print text as …
Web Development
Hi
I have a php file with html forms and variables in php.
I generate a policy document that is displayed in the web page and is then created in …
Software Development
I have developed an application in vb.net with MS access. In a form I have a Datagridview and I retrieve the data by databindingsource.
I am copying the data …
Web Development
Hi friends, I'm developing the online exam application and strucked. below is my code to display the records randomly each time, but the problem is these questions are repeating and …
Software Development Just wondering.
Exploring Google's Go language, a modern day C with the Google in it.
Web Development
Hi Guys hope that you are all well.
I have statred to use the bootstrap framework to create my website, I have got all of my pages working and linking …
Software Development
i want to print my receipt in A4 size, but the problem is when i tried to print preview the form that need to be print , it occupy the …
Networking
Hello,
I ususally browse internet using google chrome. OS is windows XP.
Can anybody tell me any free and safe proxy server?
Whenever I search for any online shop, my …
Web Development
What does PDO::query actually do ?
Does it query the SQL ?
If it queries the SQL, I think the data must be in the PDOStatement object as …
Web Development
Hi Guys!
I have the following code:
<?php
session_start();
include_once("config.php");
?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>View shopping cart</title>
<link href="style/style.css" rel="stylesheet" type="text/css"></head>
<body>
<br> …
Software Development hi , I found this code on the internet , I changed and added some lines to it to make it the way I like . I am very weak …
Software Development
Hi,so I am supposed to encrypt a text file chosen by a user at the moment I have completed most of it (offset factor/shift), I have got each separate character …
Software Development
Hello , I've been trying to figure out this code and determine what's causing the miscalculation on it.
Everything seems right for calculation , I don't get why there …
Software Development
Hello, first of all I am new to vb.net so sorry if my question is stupid... :(
I have text files that are something like this:
"#......
"#......
…
Software Development I continuously get this warning whenever a constructor delegates to another constructor within the containing type, having virtual bases.warning C4100: '$initVBases' : unreferenced formal parameter
It's the same warning …
Networking According to new research from Venafi, apparently some 74 percent of 'Forbes Global 2000 organizations' (or the big boys of business if you prefer) have yet to properly secure their …
Web Development
I have a question about inserting images into a product page. I have 5 images (saved as longblobs in my products table) and would like to put them in my …
Computer Science Use Google's modern Go language (aka. golang) to convert a denary number (base 10) to a roman numeral. Just a good exercise to explore Go's map, slice, sort and for …
Computer Science Another little adventure into Go coding. This time a slice (a Go open ended array) of structures is used as a record for some data processing. For those who miss …
Software Development
Hi all!
I have a form with a combobox, a listbox and 2 command buttons.(see photo and neglect the blank listview)
I select items from the combobox and add items …
Computer Science This time just a simple example of grading scores (0 - 100) with letters (A - F). Two approaches are presented, one using switch/case in an "on the fly" function, …
Software Development Now I am going through a project with colors. And then I think that if I try to display color values with their names in a simple combobox, it could …
Computer Science Some folks go on vacation around the Easter holidays, so it would be nice to know when Easter happens in the years ahead. I had this as a Python snippet …
Computer Science Generators are rather familiar objects in Python. Generators supply data on demand. Using Go you can create a generator with a goroutine and a channel. Here the goroutine is an …
Computer Science Again, calculate the minimum number of bills or coins required for a given amount of money (change). This time we will use a Go map instead of a csv string …
Computer Science The story has it that a few hundred years ago the ruler of a big country wanted to reward the creator of the chess game. The creator of the game …
Computer Science Just a couple of number tricks to check Go's mathematical abilities. If you have more, let's show them here.
Search Engine Strategies This is my inquiry on when I'm going to take a domain name for my business. What do you think a keyword based domain name best for getting the Google …
UI / UX Design Hai, I am work in Sales & Marketing, but i have personaly try to web design, but i don't know HTML Code. so please say: what is HTML Code For …
Web Development
Hi, For a dropdown , I display from one table, While Editing How to show the selected value in that dropdown.
<select name="dropdown">
<option value="">--Select--</option>
<?php
$a=mysql_query("Select * from student …A little experiment with custom sorting the result of a word frequency count using Google's Go language.
Software Development I've searched all over the Net and here on DL but I can seem to find only information on passing a single argument when opening a new form. When I …
Web Development
I want to create a webpage which will automatically send an email before 2 days.
<form action="try.php" method="post">
<p>Date From : <input type="date" name="date1" /></p>
<p>Date To: <input type="date" …
Web Development
Here's dish. When I submit a form, it straight up crashes my site on my network. Here are the details.
- The form submits to itself. The form is on site.php …
Software Development Hi guys, i want to make a timetable management system in c#. the system should generate timetable for school for both teachers and students. please help me out here.