64,152 Solved Topics
Remove Filter ![]() | |
All, For the life of me I cannot get this program to compile. The error message "error: non-static variable this cannot be referenced from a static context" occurs on lines 23 and 24. Here is the entire program: [CODE]public class ThreadTest { public static int x = 0; public class … | |
I have a function that I need help with. The purpose of the function is to sort an array of objects by field. This function was using the PHP function create_function which is now deprecated in PHP 7.2. I've been trying to rewrite the function, but the results return null. … | |
I have css animation for preloader. I need help to update content smoothly without redirecting page, using following functions $(window).on("popstate", function() { }); window.history.pushState({path: ""},"",""); Update link & content of next page after preloader progressbar animation ends `webkitTransitionEnd ` without redirecting to page. Need help to complete following functions function … | |
This is a tutorial, not a program. [b]Step 1[/B] First, create a file for your website, and name it "admin.html". [b]Step 2[/b] Now on it, say, "You must log in to view admin, blah,blah,blah. Click here to launch our client." [b]Step 3[/b] Link "Click here" with the C++ .exe file … | |
Hi Guys, I ussually dont post anything here often, just get everything off of everyone elses questions, but I'm having a strange problem that im scratching my head over, I have a JTable where I can Add and remove rows... This is just for testing purposes, I'm about to make … | |
how can i limit a user to enter 10 digit no like telephone no in textbox without using regular expressions????? | |
Hello, I am looking for a new IDE. I am currently using netbeans to develop a website in php/mysql. I like a lot of things about netbeans, but I don't like that it doesn't come with built in compilers/debuggers. You have to manually go and add/link them on a language-by-language … | |
Hi, I am an absolute beginner to Xamarin and just started to develop a small application wherein, I am not getting any idea about why the BindableProperty changes are not getting reflected inside the view model. Presently, I have written my BindableProperty in a separate Class and the code is … | |
Hi, I am a legacay (cobol) developer and wants to learn how to build websites. For this I decided to do a little project for myself. The site would be a places/travel tracker kind. It would show a certain map (ex, London, Taiwan, Greenland). Then you can click on a … | |
#include<stdio.h> #include<conio.h> typedef struct process{ char pname[20]; int at,bt,wt,ta,end; }processes; int main(){ processes P[10]; processes z[10]; processes et[10]; processes wt1[10]; processes ta1[10]; int a,b,n,x=0,st,y,w; float aveta,avewt,sumta=0,sumwt=0; printf("Process Scheduling Algorithm:\n"); printf("SHORTEST JOB FIRST\n"); printf("--------------------------------------\n"); printf("Enter No. of Process: "); scanf("%d",&n); printf("\n"); for(a=0;a<n;a++){ printf("Enter Process Name P[%d]: ",a+1); scanf("%s",&P[a].pname); } printf("\n"); for(a=0;a<n;a++){ … | |
Hi, I'm new to JSP. I want a sample code to call a java class on button click in jsp. | |
I have been cracking my head on this mater in the past couple of days. I am faced with a situaton where i need to write a MySQL equivalent of PHP code to loop through sql select results. The Php code looks like this $query = "SELECT pubid, author FROM … ![]() | |
Hi everyone I have a little problem that I'm sure someone here can help me with. I have a web page with a text input field and a couple of submit button. The user would enter something in the text field and then click on one of the buttons. Each … | |
![]() | Hi! My name is Jung and I'm new to VBNET I have already tried many ways to write codes for "btnSearch" but seems like nothing works.. I really need help for this as the deadline is around the corner :'( Below are my codes for Search button..  ![]() |
#include<stdio.h> int main() { int x=5; int y=50; do{ x = x + 10; }while (x <y); printf("%d\t%d", x,y); } I wonder why i compile is 55 50 why not 15 50??? | |
hello sir how can I get my system short date format in a label in vb. net. I try this code : Label1.Text = System.Globalization.CultureInfo.CurrentUICulture.DateTimeFormat.ShortDatePattern() but show wrong data. all time show "M/d/yyyy" format. I change it(to "dd/MM/yyyy") manually and by coding result is same("M/d/yyyy") please help me..... For Change … | |
When this news came across I only had to think of MSFT's prior acquisitions to think this may not end well. As the song goes " Should I Stay or Should I Go"? | |
Hi, I am currently working on a VB form for a college assignment. I am trying to add quantities from a ListBox and then display the result in a TextBox for a pizza delivery order by using a button. So far, the Listbox shows: pizza type Quantity pizza price Total … | |
Hello fellow python lovers of daniweb.com. This isn't as much a question as much as the fact that I want to see how different people would go about using python to inject an SQl database. I made a script were you can access the ip and run a command. NOTE:Obviously … | |
Fellow Python developers, Python has a sorted() or sort() function to implement ascending or descending order programs,but supposing if i want to develop a ascending order program that takes user input and ascends or descends them,how should I go about? For Example: Lets Say i want to convert this C … | |
How can I show the database in a single mode (windows or SQL authentications mode) please help me..... How can I Show the database in a single mode (windows or SQL authentications mode) please help me. I create a project VB.NET 2010 and SQL server 2008r2 , When I login … | |
I'm trying to make a button that when pressed for a short while will close the form but when pressed for a long time *e.g. 5s* the form's process will be killed. I'm trying to achieve this with a timer. Private Sub CloseLongTimer_Tick(sender As Object, e As EventArgs) Handles CloseLongTimer.Tick … | |
Hello, I'm hoping for some help with a regex that has me stumped. My skill with regex is rather rudimentary. To start, here are a couple of example URLs, and whether I want to match them or not: collection/col1 // MATCH collection/col2 // FAIL collection/col1/products/pro1 // FAIL My criteria: * … | |
Hi i have been spending the last few days deciding on an IDE that would let me program in Java, C++ and python and notepad++ looked pretty good. The only issue is i cant work out how to make the program run once i have made it. I looked in … | |
hello there. i needed a little help in writing coding for reading multiple lines of data from a .txt file that are seperated by commas. Student Name, Student ID, Mark Ada Lovelace , S001 , 99 Barbara Liskov , S0123 , 44 Carol Shaw, S0023 , 55 Donna Dubinsky , … | |
Well, right now i'm following a tutorial on game making for c++, but is this really the best programming language for video games? Also i'd like to know if can recommend me a book ( i've seen some book on amazon but i don't really know wich one to choose … | |
I have to print some text to printer. I needed to translate that text in Urdu language also. For that I used google translation API and all was set. But I am facing problem in order of output. // this is the code which is giving my desired output String … | |
Guys, Ive gotten it into my head to do somthing fairly difficult for me, I want to communicate with a swing application, to a proximetly sensor, and track live when it senses somthing and how many times it has sensed somthing, I want to use java. theres alot more to … | |
I have gotten stuck on a computer science assignment regarding Pseudocode and need a little help if possible. The task requires me to scan the ID of multiple people trying to enter a club and then compare there features (eye colour, hair colour etc) to the picture on the ID. … Programming first-post | |
Hi I am developing an app for a specific facebook page. The problem is that when i load URL in mywebview.loadURL(https://web.facebook.com/CoversShopping/). The page opens successfully but the page always reload when the oreintation changes. This problem only occurs for the above type Urls(i-e when I give the link of specific … | |
I am writing a CLI application in PHP and I can't seem to understand why my MySQL Class that uses PDO will not get past the PDO or even error. I have made sure error reporting was enabled in my php.ini. PHP version is 7.1.3 on Windows 10. Here is … | |
Hi everyone i am getting an error that says Microsoft Office Excel error '800a03ec' Unable to get the Open property of the Workbooks class when i try to open an excel work book in my code . The line of code where i get the error is [icode] Set ExcelBook … | |
i have 2 sperate projects which i am trying to run together as a shared project but i am failing hard……. Basically, first project does infix to postfix notation and the second projects does postfix evaluation. tried to run all that in 1 project but i keep getting all sorts … | |
Hi, I'm getting an exception "Input string was not in a correct format." This happens only when any of the textbox is left empty that means when i click `radioCircle` on the form and only enter `Radius` value and leave all other textboxes empty then i get that error. But … Programming | |
Hey guys! help me out, i'm really out of ideas, how can i save the datas i inputed to have a rotation of value , like the computation in the withdraw, when i 1st use the withdraw or deposit, it computes, yes but when the 2nd time i use it, … Programming java | |
Hello, I am building a calculator in c++ windows application form, i want the calculator to handle multiple operator precedence (for example, 2+4*5/3). but i am not sure how to write the following code on my windows form project. Any suggestions would appreciated . #include <iostream> #include <conio.h> using namespace … | |
Dear Friends, Good Day, I am facing an issue in one of the functions the code is given below if someone can help on this actually this function is supposed to check the work ordewr number if it's nulll then it is suppose to take default value as 4999 and … | |
I have made a simple app which gets curren location (latitude and longitude). It is working perfectly. But now i want to take location updates. For this i implemented LocationListener interface . I overridded the metod On location Change, but when i run the application, this method does not respond … | |
Hi Guys. I'm having a serious problem that is holding me back. I have a file which is a user dashboard and this file gets data from another php script file which is called by a user login screen when a user clicks login. The file verify the credentials then … | |
Hello, I am trying to create a bar chart with angular. I am following the following guidance: https://www.fusioncharts.com/angularjs-charts/ I wonder why it does not works. I only see a blank screen when running bar_chart.html bar_chart.html <html> <head> <script src="barchart_data.js"></script> <script src="angular-fusioncharts.min.js"></script> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script> </head> <body> <div ng-app="myApp">...</div> <div ng-controller="MyController"> <div … | |
program1.php <html> <header> <script> function myFunction(p1, p2) { return p1 * p2; } document.getElementById("demo").innerHTML = myFunction(4, 3); </script> </header> <body> <div id="demo"></div> </body> </html> I don't understand why the above code does not show any value? and why this one does? program2.php <html> <body> <div id="demo"></div> <script> function myFunction(p1, p2) … | |
Dear Friends, I have a string with structure $selectedTime = "2017-02-10 07:00,2017-02-10 08:00,2017-02-11 09:00"; I need to convert it as {"2017-02-10":[{"start":"07:00"},{"start":"08:00"}],"2017-02-11":[{"start":"09:00"}]} any idea ? please advise asap Thanks Anes | |
in working with my 2d arrays, i have to read in from an input file a char array of NxN and manipulate the matrix in various ways. i have gotten just about everything finished, except i cannot figure out the logic of shifting a row left or right, or shifting … | |
I'm trying to read in from a .txt file with a Scanner (see code). For some reason this line of code will never execute even though it can open the file and there is, in fact, data in it as such: Name Name Number Number [CODE] File playerFile = new … | |
Hi DW. I'm trying to post data without refreshing the page using the ajax, and its works fine the problem is that on the response I also get the array data that I posted to my php file then at the end of response is the returned data which is … | |
I've looked around this forum, and the rest of the internet, but my code is not working. Here is the problem: I read XML files that are in en-US culture. The decimal separator is a dot ".". Given the string "123.45", I want to convert the separator from a dot, … | |
The following (see the full code below) successfully adds a page in a section in Onenote. What I don't seem to be able to do is to get the lastly created page on top of the section. Here's the code that is puzzling me. onenoteApp.GetHierarchy(sectionId, OneNote.HierarchyScope.hsPages, out string xmlPages); var … | |
Getting an empty drop-down list by the following code. Trying to fetch names from the department table. Using an oracle Database... <label for="department">Department</label> <select class="form-control" name="deptname" id="deptname"> <option selected disabled></option> <?php $dbUser = "..."; $dbPass = "..."; $dbConn = "(DESCRIPTION = (ADDRESS = (PROTOCOL=TCP)(HOST=...)(PORT=1521))(CONNECT_DATA=(SID=...)))"; $conn = oci_connect($dbUser, $dbPass, $dbConn); $sql … | |
I’m new to this and talking an intro class. I’ve read and reread my course material so far and I can’t get this line to work. It has to display You have 2 even and 3 odd numbers but no matter what I do, it keeps coming out with 0 … | |
I know this question is a lot easier than it seems, but I can't seem to get around it. This is my current code and I cannot get it to properly check if the SSN number is in a proper format or not. It just says all is false. This … |
The End.