Programming :: MATLAB - How To Write Cleaner Code
Apr 28, 2011
I am writing some code in matlab and I would like to do some reading of how to write cleaner code and how to name variables and write comments. One more questions. Let's say that I find for example a file that has really nice structured comments. For example specific format commenting function inputs, outputs author code. Can afterwards copy and paste and use someone's comments format or this is might some copyright problem?
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Jan 7, 2010
I have source code that plays video stream, and can open a remote video file if provided with a URL. But I have a problem getting video from ...... the URLs I get look like:
[URL]
and my code expects something like [URL] I need to modify the code, such that it will find the actual file.
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Jan 11, 2011
How do you write a program that is independent of the UI (the functionality is a library, and you have, for example, CLI and GUI interfaces as separate apps). The problem I have is how to report status and prompt the user from within UI-independent code? I could split it into parts that do not require any user interaction, but then most of the functionality will be in the UI, not the backend.
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Jun 19, 2010
I'd like to write a Makefile for my CUDA/C++ code but I didn't know how things work with CUDA, I mean there is a nvcc compiler but I don't know what I've got to do with this.
Do I have to firstly run nvcc and then g++ or only nvcc to compile my CUDA/C++ code ? I found nothing on the web explaining such basic things .
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Jan 21, 2011
I'm trying to write some code that involves creating a function to return a vector iterator.I'm not sure what is wrong.
Code:
template <typename T> class VectorTemplate
{
[code]....
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Jul 9, 2010
I recently Installed Matlab and it keeps giving me this permission error, even after running the following command.
sudo chown -R ${USER}:${USER} ~/.matlab
Cannot write to preference file "matlab.prf" in "/home/"username"/.matlab/R2010a".
Check file permissions.
Cannot write to preference file "matlab.prf" in "/home/"username"/.matlab/R2010a".
Check file permissions.
The desktop configuration was not saved successfully
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Mar 30, 2011
I need to rewrite the selenium java code into its equivalent php code.
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Mar 2, 2010
I need MatLab for a course at the university, but it's not an open source software as all of you know, so I wanted to know if there are valid freeware alternatives. I was told to use Octave or Scilab if I didn't want to buy the license and so I would like to know what's better in terms of MatLab compatibility and ease of use, if there are any other (and maybe better) alternatives and also if there are free Simulink-like programs.
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Apr 30, 2011
i need to make a to-do list for my project, everything is fine so far. but i really dont have a clue on writtiing this part: we need to write a programme that takes input from a text file then either encrypt or decrpyt it. according to the ASCII code of this charecters the user should give us his/her own keyword then the program will save the output in a new file .
[code]....
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Nov 14, 2010
I'm a noob in Ubuntu. I need the program which will help me to learn different ubuntu commands. I often forget them and after reinstall I don't want to search them in Google. Now I write them in the standard text editor and my code looks like this:
Restore MBR:
Delete GRUB (fixmbr)
Ubuntu terminal then:
sudo apt-get install ms-sys
sudo fdisk -l
[Code]...
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Mar 18, 2011
I am trying to write a C++ Code to read write a XML file in C++.I researched a lot and find xerces is used for that but I am not able to write the code for that.Please provide me some links on how to run a code that R/W a xml file in C++.
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Apr 25, 2010
I try to write a code that allows ns to simulate the operation of the leach protocol in a network but I can not find documentation that would allow me to do that. how should be the configuration of nodes and the base.
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Jan 24, 2011
I have a 8 core computer, which has 8 logical processor in total. I want to create 8 process(nodes). Each node is mapped to each logical processor. The order is code...
I wrote the code as below, could you please see whether it is correct? code...
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Feb 9, 2010
how to write secure code for bash scripts in general? Strangely I didn't found anything in google and in the forum so far. If someone here is willing to review a bash script for me (about 600 lines).
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Aug 3, 2010
i need to write a c code to ping IP addresses which are read from a text file and need to log the response time in another text file.
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Apr 18, 2011
I am trying to write a script (especially C-shell) to execute a fortran code that reads in parameters from keyboard typing. I will have to process this .F code for many times with the parameters the same for all my data files, therefore, I don't have to type in everytime I execute the .F code. But I don't know what is the command in c shell to read in a text files that contains all the parameters I want and can make the shell read in appropriately to feed the .F code.
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Jul 6, 2010
I would like to be able to do what the package cleaner does in Ubuntu Tweak. What sort of command line magic is needed to clear unused config files, old kernels, cache and packages?
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Feb 2, 2010
why my fedora 11 computer shows an application that launches every couple of minutes called launching HTTPcache cleaner? i searched installed programs and i cant find that in annything ive installed
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Apr 21, 2010
Is there a way to clean up OpenSuse's applications menu with alacarte? It takes forever for me to find an existing menu item if I want to change or delete it, but deleting existing pre-defined groups (such as "Amusement", "Art and Culture", and "Games for Kids") doesn't work. They simply won't delete.
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May 18, 2011
Not exactly new to Linux but - over the years I have been appalled to find hundreds of configuration files for every known program/service in Linux with millions of lines of useless comments that you have to endlessly scroll up-and-down in a text-editor to find anything of value and then make sense of what you need to configure/change, etc.
Is there an automated way to clean up any given configuration file and get rid of the "filler" stuff ?Seems like a shell script should be able to accomplish the task by getting rid of all lines that start with # ..
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Mar 14, 2010
i have the following script which takes as input parameter a webpage and extract the emails from it. The results are correct but i was wondering whether i could rewrite it in a better, 'cleaner' manner. I think my for loop is a bit. primitive and also each email is printed twice
Code:
#!/bin/bash
echo $1
echo "The script starts now."
echo "Hi, $USER!"
wget $1 -O webpage.txt
awk '
{
for (i=1;i<=NF;i++) {
[Code].....
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Aug 3, 2010
I get this : Code: [root@Fedora philip]# gedit (gedit:3132): EggSMClient-WARNING **: Failed to connect to the session manager: None of the authentication protocols specified are supported
GConf Error: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See [URL] for information. (Details - 1: Failed to get connection to session: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.)
GConf Error: Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See [URL] for information. (Details - 1: Failed to get connection to session: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.) I now tested it being not root and it's ok:
Code:
[philip@Fedora ~]$ gedit
[philip@Fedora ~]$
No error when I'm not root. So it's only when I become root and run gedit in terminal I get errors, why?
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Apr 1, 2010
Are there any commands or software that can do any of the following:
cache cleaner
orphan removal
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Jul 29, 2010
Any-one using the Linux version of Click-Repair? [URL] I have been trying Gnome Wave Cleaner but no matter how I configure it there is unacceptable deterioration of audio quality when used in any auto modes. In the past I have trialled Wave Repair and found it acceptable though they have no Linux version. [URL]
Can I expect an improvement over GWC using Click-Repair ? for the outlay of some $$$, or is GWC the best I can hope for using Ubuntu. Or, is it back to the tedious 'manual de-click' for every LP.
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Jun 6, 2011
I am working on a project with a lot of vector math and I'd like to find a way to speed it up.eading about SSE, but I've found no explanation on how to actually use it in code (was looking for some kind of hello-world example, complete with compilation instructions).Does the gcc compiler automatically make use of SSE, if you add the -sse(2,3) option on the command line? Or are their specific functions/libraries you need to call?
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May 23, 2011
Is there, by chance, a fancy name to describe code that must be in a program but will never be executed? In one of my (Haskell) programs, I have some error-handling code that must be in the program to keep the compiler happy (due to the type checking). However I know that, due to the logical structure of the program, it is impossible for the code to be evaluated. I am curious if there is a technical name given to code that must exist but cannot be executed.
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Jan 14, 2011
I went to compile some "oldish" glx code. The code compiles great but when I go to run it I get a crash. With X Error of failed request: BadMatch (in .....running ddd causes my whole system to lock up when I call the glx function XOpenDisplay. After a few attempts I thought I'd download a demo from the net, I choose nehe opengl tutorial 2, I compiled and ran but even on a net tutorial I get the same error
./lesson02
XF86VidModeExtension-Version 2.2
Got Doublebuffered Visual!
[code]....
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Jul 20, 2011
I have the following code:
Code:
#!/bin/bash
function dx {
[Code].....
So essentially, it finds dx files, sorts them by numbers at the beginning, then performs the dx function I made (loops over all of the #-protein.dx and #-water.dx files).
It works fine when I'm running it on Ubuntu 11.04. However, when I try to run it on OSX, I get the following error:
Code:
mh320m01:DA_R02 janickij$ ./MOD_Loop_Tuber_Script.sh
find: illegal option -- t
find: illegal option -- y
[Code]....
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Jan 5, 2010
I work as a linux sysadmin, and are now and then developing scripts that might be of use for others. I'd like to be able to share these, and for less trivial projects maybe create a central repository or something that others may upload updates/patches to etc.
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Apr 10, 2010
I have a little test program consisting of a NASM source file and a C source file.How do I turn them into a single program?
Code:
section .data
msg db 'Hello, World!', 10
[code]....
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