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  • Where to place a debug log files for my daemon app?

    - by sasayins
    Hi, I am using C language and Linux as my programming platform. I am learning how to create a daemon, and I want to create a log file so that I write a debug message in my daemon. My question is where should I put the log file in my system. Should I put it in the var folder? Please advice. Many thanks.

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  • How to plot image data in PERL on Windows?

    - by angaran
    I would like to plot some image binary data on a grayscale matrix-like graph with custom values on axes. I'm using Perl on a Windows machine but I can't fine the right module to do this. I'm already using GD::Graph to plot other type of data but it seems unsuitable for this specific task.

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  • Windows Application Data Directory

    - by JP
    Not completely a programming question, but its close enough so here goes: In Mac OS I'll put user-specific files for my app in ~/Library/Application Data/{MyApp}/ and in *nix I'll put them in ~/.{MyApp}/ - where should I put them for Windows? I'll be using Ruby's File.expand_path to get to this directory, so if there's a windows equivalent of ~ then that's fine. (Answers for Windows XP, Vista and 7 would be appreciated if they're not the same)

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  • Gaussian filter in Matlab

    - by md86
    Does the 'gaussian' filter in MatLab convolve the image with the Gaussian kernel? Also, how do you choose the parameters hsize (size of filter) and sigma? What do you base it on? etc

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  • Need design ideas generators.

    - by Clubspy
    Hello guys I am a web developer and sometimes I have to do some design myself for my customers but design actually is not my best thing to do. I am looking for a program that can help me getting fast and reliable design ideas but I am not looking for code generator like Artisteer. Actually design is a hard task and my designs always look ugly and messy.

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  • Rss feed for game programmer?

    - by simpleblob
    I was browsing this thread, which has good recommendation but a bit too general for me. So, if anyone has a collection of nice game programming feeds,please share them. :) (both general and specific topics are welcome)

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  • Get all Vector2 Points Within Radius

    - by CheapDevotion
    I am looking for a formula that will give me all of the Vector2 Points within a certain radius given the center. Essentially what I am trying to do is change the color of each pixel in a 256 x 256 texture that is within a certain radius from a specific pixel (Using the Unity3d Game Engine). Programming Language doesn't really matter, as I can probably convert it to something I can use.

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  • why the sexp has array in the end

    - by dorelal
    RubyParser.new.parse "1+1" s(:call, s(:lit, 1), :+, s(:array, s(:lit, 1))) Above code is from this link Why there is array after + in the Sexp. I am just trying to learn ruby parser and the whole AST thing. I have been programming for a while but have no formal education in computer science. So do point to good article which explains AST etc. Please no dragon book. I tried couple of times but couldn't understand much of that book

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  • Overriding Built-in Classes (Python)

    - by Yipeng
    How can I view and override the full definition for built in classes? I have seen the library docs but am looking for something more. For e.g. is it possible to override the Array Class such that the base index starts from 1 instead of 0, or to override .sort() of list to a sorting algorithm of my own liking?

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  • How to implement a timer callback that executes in the same execution context

    - by Waldorf
    Some programming environments like C++ builder have timer components with a callback function which executes in the same execution contexts as where the timer object is created. I was wondering how to do something similar in plain c++ with threading. Or are there any other ways to have a callback which is periodically called to perform some task and runs in the same execution context as the calling thread?

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  • Self Update in .net programs?

    - by Rev
    Hi, I`m looking for best mechanism for self update in .net programs! solution should cover this subject: 1) Server - Client Program 2) When new update released, after installing that on the sever-program, all client-program must update itself base on server version.(no need automatic-update for server) 3) Full-Update : for example if server on version 3 and last update package version is 5, update package must contain any older package.

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  • Unicode filenames on windows in ruby

    - by delivarator
    I have a piece of code that looks like this: Dir.new(path).each do |entry| puts entry end The problem comes when I have a file named ???????.txt in the directory that I list. On a Windows 7 machine I get the output: ???????.txt From googling around, properly reading this filename on windows seems to be an impossible task. Any suggestions?

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  • Nhiberate, multiple tables, same class

    - by jeff
    It's been asked a million times, its like this. Say Invoice is the base class and InvoiceHistory is the class that simply inherits from Invoice. When I do something like invoiceList = session.CreateCriteria(typeof(Invoice)).List(); I get everything from Invoice (that I want, plus everything from InvoiceHistory). Do I need to have an InvoiceBase and create derived versions for Invoice and InvoiceHistory?

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  • When to use reflection to convert datarow to an object

    - by Daniel McNulty
    I'm in a situation now were I need to convert a datarow I've fetched from a query into a new instance of an object. I can do the obvious looping through columns and 'manually' assign these to properties of the object - or I can look into reflection such as this: http://www.codeproject.com/Articles/11914/Using-Reflection-to-convert-DataRows-to-objects-or What would I base the decision on? Just scalability??

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  • Basic string and value functions in Objective-C for iPhone

    - by David Maitland
    I have very little programming knowledge; only a fair bit in Visual Basic. How do I take a value from a text field, then do some simple math such as divide the value by two, then display it back to the user in the same field? In Visual Basic you could just do txtBoxOne.text = txtBoxOne.text / 2 I understand this question is more than one question and is very basic stuff, but I need to get my head out of Visual Basic and into where I should be :)

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  • Is there image phase correlation libraries available for Python?

    - by kamasudra
    A project that involves image processing, i.e. to calculate the angular shift of the same image when shifted by a medium of certain Refractive Index. We have to build an app that correlates the 2 images (phase/2D correlation?) and then plot using Chaco and Mayavi (2 libraries in Python). Is there any other existing template software (FOSS) that we can base our app on, or use it as a reference?

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  • How do I generate Entity Framework 4.0 classes from the command line that have different names than

    - by Josh Kodroff
    I want to generate Entity Framework 4.0 classes from a (legacy) database from a command line, but I have 2 transformations I want: Tables/columns are lowerCamelCase and I want my classes/members to be UpperCamelCase. I want to suffix my classes with "Dto". Any idea how this might be accomplished? I'm a total newbie to EF, but I have a decent understanding of Linq to Sql and was able to accomplish the same task by doing: sqlmetal - dbml - xml mapping file and .cs file.

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