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49 Posted Topics
 | I am spliting my soft real-time application into two processes, one is the gui and the other is the hardware communications. I would like to to have both processes monitor each other as they send data back and forth. When one detects that the other has crashed it will launch …  |
| | I am programing VBA for excel and was wondering if anyone knows where I can fidn the documentation for the selection object. Also do you know how I can get the VB editor to recognize thet object so when I type Selection and put the period after it, it pops …  |
| | Does anyone know of an web based programming utility where I can program C++ in a web page and have it compile on my remote server. I run an LAMP server  |
| | I have recently voluteered to be a mentor for a local inexperienced FIRST robotics team. The main area I will be mentoring is the programming aspect of the competition. The controllers for last years robot was programmed using LabView but they also can be programmed in C++. The better teams …  |
| | I am trying to boost the performance of the startup of my realtime application. I have the interfaces laided out in a xml file that are parsed in and created into a data structure. Would it be worth while for me to struture my program so that once the interface … |
| | Is there a way to determine what control I clicked using a global click event. I would like to be able to click a form text box table I created for my access app to enable to enable and unlock it without have a million on click event handlers |
| | I am getting runtime error 424 when I try to access my global dictionary's count. It works fine when in the sub routine that initializes the dictionary and right after the sub routine was called inside the form_open event. Why would I be getting this error when I click a … |
| | Why is it that when I call recordCount on a rescordset it returns 1 even when I know that there is two different records in it and able to access those two records in the set. |
| | What would be a good book for me to learn about advanced networking (Setting up DHCP servers, Security, etc..) |
| | I have two questions one is kind of a newbie question and the other one is a little more advanced. I have been coding C++ off and on for the past couple of years as a hobby and a little for my EE classes. I usually in my class reference … |
| | I am still working on my realtime application for my car that will be running on Minimal Ubuntu and the gtkmm library. My current application runs alright for a singly thread application. I am in the process of multi-threading it (still learning threads). What I thought would be the best … |
| | I am trying to draw a gradient in a rectangle using cairomm. I found the code below which helped a lot. My problem is I want to turn this rectangle into a progress bar. Is there a way to modify the code so that it at a certain percentage of … |
| | look into openCV and pattern finding. |
| | I have created a icmp ping function but it doesn't always work due to the firewall of the computer I am trying to ping. I heard you can get around this using a tcp ping. How can i construct a tcp ping packet. I did a little research and it … |
| | Can I use libxml++ to parse html. I'm trying to find all the images in a xml file and store the image data directly into the src attribute of the web page. I know there is a bit of a difference between html and xml that's why I am asking … |
| | I have been coding an IP scanner for god knows what reason. The program kind of works. It does find active computers on the network but for some reason it does not find my computer using its network ip or its internal ip (127.0.0.1). Also it can not find any … |
| | I have a verizon fios router and would like to setup some subnets. Does anyone know how I could have all the wireless computer on the network have the ips 10.100.xx.xx and all my hardwired devices to have the ips 192.168.xx.xx. |
| | I'm writing a shell script for I can launch a program from the terminal using ./AppName but how can i get the return value either 0 or 1 to determine if the program executed correctly  |
| | Does sqlite contain a function that would look at every row in a column and find the ones contain a string I supply it with. I'm trying to make a dynamic database search that would query retrieve rows from the database every time I type a new letter into my … |
| | I can write a procedural application fine with graphics just fine. I have a new project where I am finally going to learn how to code with concurrency in mind. So I want to make an alarm clock that can have repeating alarms and selectable alarm tunes through itunes or … |
| | Not really sure if this is the right forum but it seems to best match my question. I am looking for a computer tool kit that I can use for work. Requirements are able to carry basic tools to to fix computer hardware and also it needs to have a … |
| | it could be connected to the computer via a USB port but even though that device is physically using the usb port it could be functioning as a virtual com port. If it is you can use any serial port library that is compatible with windows to read the data … |
| | When working in linux the program that I like to use Netbeans to code c++ applications in is netbeans w/ c++ plugin. Takes a little time to set your project up but once its done your set all you have to do is hit build and run. |
| | So I can crop an image in cariomm and display it to the canvas, but what I want to do is crop the image and save the cropped image to a Cairo::ImageSurface so that I can paint just the section of the overall image to the screen with out have … |
| | I am revisiting my EE senior design project that I finished up about 8 months ago. We basically took your vehicles instrument cluster and replaced it with a computer and graphically rendered your vehicles metric with the help of a datalogger. For the graphics I used cairomm for its vector … |
| | Last week I was goofing around with multidimensional vectors and removing an element from each row. I got my code to remove and element from each row working inside int main, but when I put all this code inside of a function I started to get errors. The common error … |
| | Does anyone know how I would be able to remotely manage a couple of computers (Windows) where I can boot them up and shut them down remotely from a central low power computer. Also I would like to remotely schedule the power down of external monitors. |
| | I have been posting a bit about my current side project, a scripting language interpreter. I have gotten past my getline error I talked about in a previous post and am now trying to get the results from the script. I created a map of all the labels in the …  |
| | I am creating a scripting engine that would execute my own scripting language. The engine does a double pass through the script, the first pass parses the file and builds the data structure and the second executes the script. The error I am getting is when I try to read … |
| | Re: Image processing if you want to do true image processing like tracking objects or even creating filter for an image I would look into openCV |
| | I am not asking anyone to design the parser for me, this is something i would like to do myself so that I can learn how to do it in the future. I am entering into a IEEE 24 hour programming contest with two other people. I have the problems … |
| | is there a short hand way of passing just a row in a 2d array into a function that accepts only 1d arrays. for example something like this even though I know that this doesn't work. I don't want to have to use loops to copy a row from the … |
| | If i create a custom session handler that stores my session information in a database and use the normal session variable since I overwritten it would these sessions work across a load balanced web server cluster. |
| | I am new to database design and trying to create an anonymous mobile message board. I have two tables in my database and would like some one to look at them and give me some feed back so that I can ensure that i have an efficient design and that …  |
| | How can I monitor my MYSQL database and the number number of threads and connections it has from a remote computer. my database is running on a ubuntu box and I would like to monitor the database from any of the three major platforms (windows, mac, linux)  |
| | I am trying to make a java sever code communicate with and iphone hello world app. When I run the iphone app it sends the length of the string first then sends the string. the Length of the string should be 2 but my server code prints out 33554432. Also … |
| | I am trying to develop an application for my phone that will communicate with my personal linux server. The phone application will not be java based but the server will be. The Server will be sending me information from my database to my phone. How should I package my data … |
| | For my Electrical Engineering summer research project we're using a single mysql server and multiple iPhones. The iPhones are going to collect data and send it to the server which will populate the database with the data. I am new to socket/network programming so I need some pointers to my …  |
| | I am passing a dynamically sized 2D array into a function. How would I be able to tell the row size and column size the array. I know I can do this to find the total number of elements in the array: [CODE] foo(const _T ***m_data) { int dataSize = …  |
| | Is there any way I can change the value of a template parameter inside the templated object or are these values constant. i.e. [CODE] template<int width, height> class matrix { ............ } void matrix<width,height>::setSize(int w,int h) { width = w; height = h; } [/CODE] |
| | I am creating a matrix math library which I would like to give the user access an element in the NxM 2D array, that was allocated in the constructor. I've been reading that you can't overload the [][]. How would I be able to overload this overload this operator so … |
| | Can anyone point me in the direction on how to develop a plug in system for my application. so that the user can extend the functionality of the program by including more hardware to it. Evan |
 | Re: c++ & python I'm not a strong programmer just and engineering student. one group that is working on a project that uses GNU radio involving a lot of python and C++ interfacing. What is so special about python and why do a lot of people interface it with C++, isn't C++ more powerful. …  |
| | In my house I have the wireless router sitting on the first floor and my computer sit in my room on the third floor. The router signal is encrypted and I modified the router so that on certain mac address are able to use the network so that if some … |
| | For a project I am working on we're using libserial to communicate with out hardware. the problem with libserial is that when you call read() it returns an unsigned char and readline() returns a string. We're encoding our collected data from four sensors into 32 bit unsigned integer if I … |
| | I'm new to threading and wanted to make a program that was going to receive data from two separate pieces of hardware and populate a queu with their data. I then wanted to pull the data out of the queue and draw it to the screen graphically. So each piece … |
| | I am trying to communicate with my vehicles OBD port using LibSerial. When ever i send a command to the vehicle it echos back a hexadecimal value but LibSerial returns this hexadecimal value back to me as a string, i.e. "0x01A". How would i convert this hex string into a …  |
| | I was wondering if it is possible to create an array of enums like this: [CODE] typedef enum { LABEL, SCREEN_BUFFER, PID, ENABLED, NUM_BYTES } SENSOR; static SENSOR sensors[] = { // formula // label //screen_buffer //pid //enabled // bytes { "Absolute Throttle Position:", "", "11", 1, 1 }, { …  |
| | I going to create a central file server to store all my media files (music, HD video, etc.). This server will be accessed by multiple HTPC around the house. I plan on all the PCs and the router to support gigabit ethernet. What I would like input on is how … |