908 Unanswered Topics
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| | Hello. I am trying to build a simple UDP multi-threaded echo server in `C` using `libhv` (library is using non-blocking events). Basically i am trying to combine https://github.com/ithewei/libhv/blob/master/examples/udp_echo_server.c with the threading of https://github.com/ithewei/libhv/blob/master/examples/multi-thread/one-acceptor-multi-workers.c I do this because i will have high amount of traffic and multiple threads will be needed … |
| | I wonder if there is any solution to drop an oracle table trigger using c# windows application project |
| | Hello everyone, I'm currently working on a project, and I have to edit a table,by merging certain cells. Below is a picture summarizing my situation as well as a snippet of my code where my code works for the right cell but not the left one :  private void … |
 | RICHTEXT1: Am_______________________________________E7 On a dark desert highway, cool wind in my hair G__________________________________________D Warm smell of colitas rising up through the air F______________________________________________C Up ahead in the distance, I saw a shimmering light Dm My head grew heavy and my sight grew dim RICHTEXT2: On a dark desert highway Cool … |
| | There are 6 bit operations: 7 P "@ 3 D5 Q '] &And operation 5 J5 W: I! o% L/ ] |Or operation ^Exclusive or operation! {$ V2 U b; h. Y- ?8 p" e ~Non operation (complement) >>Shift right operation < < left shift operation - r, S _! … |
 | I came across this [article](https://developer.ibm.com/articles/messaging-protocols/) from IBM. It states that a **protocol** describes the **format of the bytes** that are transferred over the wire. > A protocol is sometimes referred to as the wire protocol, and it describes the format of the bytes that are transferred over the wire, and … |
| | > import numpy as np > import scipy.io.wavfile > from scikits.talkbox.features import mfcc > sr1,x1=scipy.io.wavfile.read("filename.wav") > ceps1,mspec1,spec1=mfcc(x1) I can obtain MFCC values as above. Now, I have 100 songs with 2 different music genres(electronic,jazz). And, I want to create a dataset with using these songs. I suppose I will use … |
| | It will be an interactive system where model restaurant will take order from its customer and generate bill. System will also generate daily menu list based on the sales of veg and non-veg items during last 15 days. I am unable to figure out second part of generating daily menu. … |
| | How can I write the code such that - 1. I am reading the file which may contain numbers such as 23 34 45 56. 2. After reading the contents of the file, the contents of the file get stored to struct array such as struct abc in the above … |
| | Hello, I have been trying to get this robot to work out and be able to move around. I am just so confused as to how to get my arrow to get even displayed and moved when pressed by one of the directions to go. One area that I struggle … |
| | Can you help me decrypt the message with the given information. I figured out the first line is using Xor ciphers but how do I figure out the rest? Y[ZU[XZWZ\XXZjZ[[WWVWU Ogaqkxpgbqbfiof! Cyw'ss bun! Zqksxl cywd lnepwvs uozneh. Qjc mgabiy nfx vmz-djrhkfalfq. Xnjfx ai qjvi viqi uat pgw odjwp. The radio … |
| | i am trying to get gstreamer to capture frames and have them put into a picture box on a glade form , this is my Code snippet so far , can anyone give me come guidance GstCaps *caps = gst_sample_get_caps(sample); // Get a string containg the pixel format, width and … |
| | this is my code that takes from the terminal directory and extension of the file (s) to search ... the problem is in the path .... print for example /home/ciccio/prova.txt .... instead of ...... / home / ciccio / dir / subdir / prova.txt This is because I only pass … |
| | Hi, I made this game in c++ but i have some issues when i ask player if they want to play again. i want the game to reset when they press y but keep their bankbalance from previous game. here is the pastebin link: https://pastebin.com/pmhVKwxF sorry if the code is … |
| | Hi, I am getting erros in coverting the following C++ code to C language. Also what is the alternative of #include<bits/stdc++.h> library in C language? // C++ Implementation to find the // XOR of the two Binary Strings #include<bits/stdc++.h> using namespace std; // Function to find the // XOR of … |
| | I’m stuck at a problem. I want someone to help me with how to proceed further? I’m working on a problem in C++. Its main idea is as follows. I have a buffer(vector in my case) in which each item holds 4 values. 1. start line 2. end line 3. … |
| | I have a CSV file with a bunch of columns, but I only need the information for the 11th column. How do I read through each line and skip to the 11th column and then store those values in a vector? I'm struggling to find clear information on how to … |
 | Hi. I wanted to review the idea of "Link List" but using C++ and not Java. I borrowed a header file from a textbook to test how a link list works (I know that if I don't paste the whole code [its not my code anyway. It was from a … |
| | I have a C# project that creates a COM object for use with a POS terminal. Before I give it to the customer, I want to make sure that it will work as a COM dll. The RegAsm says it works. using System; using System.Runtime.InteropServices; namespace POS { [Guid( "0135bc5c-b248-444c-94b9-b0b4577f5a1a" … |
| | I'm creating a program that maintains student scores. I've created a class called students that stores the data and displays it in a list box. Once the user clicks btnAdd a new form (frmAddStudent) loads that allows them to add the user by name and their scores and display it … |
| | Hi, I've been playing a game from a few years back (I really enjoyed it) and I found that it was open source on github. I would love to make my own version and see how it goes. I have experience with python as a hobby, and I've had a … |
| | Suppose I create an asp.net website project that loads data into griview from the class library, declaring the library to use loading data for griview //file: ChitietSP.aspx using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.Diagnostics; // … |
| | I am starting a website where an image shows on the home page and when I scroll to hover over the image it opens a newpage. I’m trying to figure out a way to do a slow dissolve from the home page to new page and also if the user … |
 | Hi I am trying to get windows positioned in specific order as show below  but I am unable to get and get always this  the code below is shown HDWP cmdWnds; cmdWnds = BeginDeferWindowPos(col.size()); for (int i = 0; i < col.size(); i++) { if (i == 0) … |
 | Hi guys I was having issues with reading 3 files and merging them into an array, I tried fgetc, which then let me to have issues with sorting them so I tried to change my array and allocate a counter variable to get the size of it but not sure … |
| | I have show example merge cell the datagridView but actually deleting the duplicate line (demo: https://stackoverflow.com/questions/16774966/how-to-merge-datagridview-cell-in-winforms), I want after merge cell the text in the middle of the cell as the image file attached to the code write how ? http://www.mediafire.com/view/h005tuc3aawaray/1.PNG/file |
| | I get the employee list from SQL Server problem with fields: ID: id employee Employee: name employee after filter the kernel list dv.RowFilter = "set condition unique 1 recoder" at the command if (dv.Count == 1) at this assignment id and the kernel name is not correct the unique file … |
 | :menu echo 1) start echo 2) intro echo 3) exit set /p menu= if %menu% == 1 goto game if %menu% == 2 goto help if %menu% == 3 exit :help cls echo hit the correct answer and press enter. pause :game echo what is your name? set /p name= … |
 | Hi all, How would I read a bin file(which contents are attached below), and then from that bin file create an html file with a table of that bin files content(html format is attached as well) |
 | I've been studying the [XEmbed protocol specification](https://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html#lifecycle), as well as [Gtk reference manual](https://developer.gnome.org/gtk3/stable/GtkSocket.html), but I'm having some difficulty. I'm using Gtk+ 3. I've created a Gtk socket, got its window ID, but that's where I'm stuck. I'm using C. If I understand this correctly, the program I'm writing that contains … |
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| | Hi everyone .I am looking for some nice c# project,-free source on which i can apply unit tests,rhino mocks,stubs.Can you sugest any source to get the project,i need to practice on tests.Thanks |
| | Hi guys, want to convert PYTHON to C and RUBY anyone can help me with this? I have tried to find some online services, but can't find.. if someone can recommend free service, i'll be happy. I want to convert this simple code to C, RUBY,NODE JS http://hastebin.com/kibaraganu.pl Someone can … |
 | Hello, this question is related to an older post of mine ([Click Here](https://www.daniweb.com/programming/software-development/threads/505499/getopenfilename-freezes-at-second-execution)). In this question i stated that my program freezes at the execution of GetOpenFileName. After struggeling a while with that problem and doing other more important stuff first, i came back to the original problem and found … |
 | Hi, I have been working on JNI. I have one doubt. When I call any native method from android activity (Java code), then we get jclass object from jobject instance we get in the native method as a parameter. Why do we need it actually? Here is a snippet from … |
 | I am trying to ask for a float input and valididate if it is a float if it is... continue, and if it is not ask for another input. My program tells me my input is invalid, which is correct... it then prints the two statements but it skips the … |
| | I have windows form with usercontrol to display image. I am trying to reset the autoscroll position to the top of the image if the user had scrolled down to see bottom part of the image. So at index change it should display top part of the next image that … |
| | Write a program that accepts five input values and stores them into an array. The program should then display the average of the five numbers. Finally, the program should display all the numbers in the array that are larger than the average of the five numbers. So I did the … |
| | Here is a small e-Book for your attention: [The Ultimate Question of Programming, Refactoring, and Everything](http://www.viva64.com/en/b/0391/). This book is intended for C/C++ programmers, but it could be of interest for developers using other languages as well. What makes the book peculiar is the descriptions of real, not theoretical cases at … |
| | 1. Design a system for an electronics retail store which sells different brands of electronic items like TV, Fridge, Oven, Music System of different brands and styles. 2. You develop a menu driven system which looks like as given below: s. Sell g. Generate Bill c. Cancel the sale r. … |
| | Hello, guys i am having a problem with the Printing some tickets i need to print each ticket in a different page beacause the printer i'm using can only print the size you customize it to print and my program can have different variations knwint that i import an Excel … |
| | Hello, is there any chance to filter a datatview to get the same results as you get with the where clausel like : "WHERE NOT IN" bla bla thanks MC |
| | I have a Health based .Net (C#) project that needs to import a huge chunk of medical records from an old database that were used in a different application. The database has been successfully migrated to the version compatible with our application. The problem is the contents in one of … |
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| | I am creating multiple C++ DLLs which have a C wrapper around them for use by an external application. I wanted to have a single error handling library that each DLL has access to. If I created the error library as a static library and then include it in the … |
| | HI, I am new to C# programming, I am trying to populate data from databse using adatpter and dataset. I am missing some part in my code, that fails to update selected item at selectindexchnaged. Same part works fine at every form_load. DataSet sdnew = new DataSet(); SqlConnection conn01 = … |
 | Hello, I am having a bit of an issue with my networking addition to my game engine. The engine uses SDL to provide an event-driven programming environment. I tried adding networking functionality, but it doesn't seem to work. Here is the relevant code: //includes #if defined(_WIN32) #include <winsock2.h> typedef int … |
| | Create doubly linked list that has the following information about **books**: **book_id, book_name, author_id, book_price**. Sort list in ascending order by **book_price** using bubble sort algorithm. Delete all books with the smallest and the largest price. How to modify the following program such that the sorting is done using bubble … |
| | Am creating application and l need to fill a combo box list. However, l was able to do all and is working but whenever l filling the last combobox, l get an exception as below. First-chance exception at 0x7789dba9 in Unical PTUME.exe: 0xC0000005: Access violation reading location 0x00000001. Unhandled exception … |
| | Hello, I use the webkitbrowser which is simular to the webbrowser. Now on a website, I want to programatically insert a string into a textBox. This I have succeeded to do like this: webKitBrowser1.Document.GetElementById("txtbox1").SetAttribute("value", "hello"); After this I will need to programatically click a button that will check that "hello" … |
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