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14 Posted Topics
 | Hello, I'm having trouble posting JSON to a url using Flask, AJAX and Javascript. Essentially, I would code using a library [Jquery Sortable](https://johnny.github.io/jquery-sortable/) to create a sorted list. From that sorted list I want to post to the server. The problem is that the server does not recieve the JSON … |
| | Hello everyone, I'm trying to implement qsort on a struct with the double as a pivot: typedef struct{ char sequence[9]; int occurance; double prob; }tuple; ...... int compare (const void *x, const void *y){ if (x < y) return -1; if (x > y) return 1; else return 0; } …  |
| | In C++ it seems like every single time you open a file, the inner contents get deleted quickly. Is there a way to open the file at the end of the last character while keeping all contents within the file? I've been looking at something with the End of file … |
| | Hello, I am trying to implement a version of the cubic spline based on the artilce here: [Click Here](http://en.wikipedia.org/w/index.php?title=Spline_%28mathematics%29&oldid=288288033#Algorithm_for_computing_natural_cubic_splines) and while implementing it I find errors that my indices are out or range such as: ` h[i]=(n[i+1]-n[i]) IndexError: list index out of range ` Here's a part of the code: … |
| | I have a table which has a foreign key that links to a primary key in another table. That id has information on it in which I want it to show while having a sum on the information. Is there a way to do it? To clarify here's a code … |
| | Hello, I'm having trouble running the CalcOpticalFlowPyrLK in Python. When I try doing the calculations for the Lucas Kanade code it will not compute the error I get is the following:[ICODE] File "****", line 63, in callback (currFeatures, status, track_error) = cv.CalcOpticalFlowPyrLK(old_image, new_image, old_pyramid, new_pyramid, old_features, (3,3), 1, (cv.CV_TERMCRIT_ITER, 10, … |
| | Hello, I'm trying to run an object on Python with ROS. When I run the code with a variable inside the object: [CODE]class lk(old_image): ....then some code def main(args): rospy.init_node('lk', anonymous=True) old_image = lk(old_image) try: rospy.spin() except KeyboardInterrupt: print "Shutting down" #cv.DestroyAllWindows() [/CODE] [ICODE]Traceback (most recent call last): File "/home/aadejare/ros/omnisensor/nodes/lk.py", … |
| | Sorry for intruding on this post, but I have this problem too but I put it in the Java instead of the JSP thread (this is using Jakarta-tomcat 5.5.9 and the teacher won't allow me to update it): [QUOTE=Kirielson;1508171]Thanks for helping me out with my coding last time. Now I … |
| | Thanks for helping me out with my coding last time. Now I have an error with a class not found for my servlet. In the log, the following shows up: [CODE]SEVERE: Error loading WebappClassLoader delegate: false repositories: /WEB-INF/classes/ ----------> Parent Classloader: org.apache.catalina.loader.StandardClassLoader@1c0e45a cart.CartServlet java.lang.ClassNotFoundException: cart.CartServlet[/CODE] I've compiled all of the … |
| | I have a question about programming Java into HTML using the latest version of Tomcat. I'm trying to get the option values from the HTML to go inside the Java program and print out said values. A friend of mine suggested that I create an array of strings and then … |
| | Here's my problem, I am getting a bad access on a shared memory line on my producer/consumer program: [CODE]Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0xffffffff 0x00001db0 in main () at Project3.c:120 120 memset(buf, 0, BUFFER_SIZE); [/CODE] [CODE] int BUFFER_SIZE = 200; int *buf; [I]Some … |
| | I'm having Buss Error issues. I feel that it has to do with either my deconstuctor or my insert/delete functions. I know I'm not supposed to put up whole source code, but I will put it up if needed. Assume that ItemType is an integer and Next is a pointer. … |
| | Hello, I've checked a recent Game of Life thread and unfortunately it did not address my problem. I'm trying to manipulate life based on how many cells have life. I'm assuming that it's the way that I'm doing the counting that is messing up the problem but it could also … |
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