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  • _REQUIREDNAME always nil

    - by Nali4Freedom
    I'm trying to use the method for naming a lua package after the filename mentioned here, however _REQUIREDNAME is never defined. For example I have these two files samplePackage.lua: print("_REQUIREDNAME: ", _REQUIREDNAME) return nil; packageTest.lua: require "samplePackage" And when I run packageTest.lua it outputs > _REQUIREDNAME: nil I also couldn't find any mention of _REQUIREDNAME in the Lua 5.1 Refrence manual, so was this removed from the language, or am I missing something?

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  • How to merge multiple arrays in pairs

    - by user3688059
    I have a problem with "pairing" arrays into one (by index). Here is an example: INPUT: inputArray = [ [0, 1, 2, 3, 4], [2, 3, 5, 7, 8], [9, 6, 1] ] OUTPUT: outputArray = [ [0,2,9], [1,3,6], [2,5,1], [3,7,chooseRandom()], [4,8,chooseRandom()]] Questions: 1) How to avoid out of range problem 2) How to write chooseRandom() to choose N neighbour I'm using python but feel free to share your thoughts in any language.

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  • -Wextra how useful is it really?

    - by Helper Method
    I'm reading the gcc manual at the moment, especially the part about warning/error flags. After reading the part about the -Wextra flag, I wonder if it is useful at all. It seems that it complains about things which seem to be rather subjective or a matter of taste. I'm not that experienced with gcc, I only use it from time to time for some small projects at university, so to all experienced C/C++ (or for whatever language you use gcc), what's the deal with -Wextra?

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  • What Is The Vim Feature That You Like The Most?

    - by Jerub
    I am interested in what people use as their text editor, and would specifically like to know what is the feature of vim that you like the most? In answering, please state what you mostly use vim to do, sysadmin tasks, programming, and in what language you mostly program in.

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  • Visual Studio & RAD support for coding directly in IL?

    - by jdk
    For the longest time I've been curious to code in Intermediate Language just as an academic endeavour and to gain a better understanding of what's "happening under the hood". Does anybody provide Visual Studio support for *IL in the form of: project templates, IntelliSense integration, and those kind of RAD features? Edits: I don't mean restricted to out of the box support. For example, I can download Visual Studio extensions to support Python, COBOL, etc. Want the same for *IL. There is a stand-alone Intermediate Assembler tool.

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  • How do I change a MySQL table to UTF-8?

    - by alex
    I know there are many settings for a language for a table and a database. I already created the database. I believe when I created it, it was default/LATIN. I want to change everything-I mean...both the table and the database, to UTF-8. How can I do that? thanks.

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  • what math do i need to convert this number

    - by Uberfuzzy
    given an X, what math is needed to find its Y, using this table? x->y 0->1 1->0 2->6 3->5 4->4 5->3 6->2 language agnostic problem and no, i dont/cant just store the array, and do the lookup. yes, the input will always be the finite set of 0 to 6. it wont be scaling later.

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  • mongodb java driver - raw command?

    - by Scott
    Is it possible to execute raw commands as javascript through the Java driver for MongoDB? I'm tired of wrapping everything in Java objects using Rhino, and would happily sacrifice performance for the convenience of passing javascript directly through to the DB. If not, I can always use sleepymongoose or something, but I don't really want to add yet another language (python) to the stack at this point. Any insights are appreciated.

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  • Access location variable in another process

    - by user295944
    I have a locationmanager in my main program which is called HomeViewController which I get the latitude and longitude and store them in LAT and LON. I can use LAT and LON in HomeViewController just fine. Once I go to another controller which is sending pictures and setting properties on flicker I want to use LAT and LON, how do I do this? I tried putting HomeViewController.LAT but obviously that does not work, I'm pretty new to the language so I am confused.

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  • SWT-like GUI toolkit for C

    - by user345409
    Hello, do you know any cross-platform gui toolkit like swt for C (using default widgets in each operating system = right pics on eclipse.org/swt) ? There is an implementation of swt for D language called DWT but I need it for C or C++. Thanks.

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  • Need to write a daemon in linux, not sure what to use C++ or C

    - by Bluescrod
    Hello everyone, I have a little problem picking the right language to write my daemon, I am confused between C and C++, I want to use C++ because it is more expanded than C, but I want to use C because it is the starting point of everything in linux, I want to go for C++ as I have many resources about it, so, does it make any difference if I pick C++ instead of C? and what I will have good if I learn C more? I feel like if I go into C++ I will cover C within C++... Regards

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  • How to calculate the cycles that change one permutation into another?

    - by fortran
    Hi, I'm looking for an algorithm that given two permutations of a sequence (e.g. [2, 3, 1, 4] and [4, 1, 3, 2]) calculates the cycles that are needed to convert the first into the second (for the example, [[0, 3], [1, 2]]). The link from mathworld says that Mathematica's ToCycle function does that, but sadly I don't have any Mathematica license at hand... I'd gladly receive any pointer to an implementation of the algorithm in any FOSS language or mathematics package. Thanks!

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  • Why would Mathematica break normal scoping rules in Module?

    - by Davorak
    As was pointed out in a recent post scoping does not work as expected inside of Module. An example from that thread is: Module[{expr}, expr = 2 z; f[z_] = expr; f[7]] (*2 z$1776*) But the following works as almost as expected. Module[{expr}, expr = 2 z; Set@@{f[z_], expr}; f[7]] (*14*) What language design consideration made wolfram choose this functionality?

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  • How do we do AJAX programming

    - by Sonali
    I have no idea about AJAX programming features. I just know that it is Asynchronous Javascript and XML. Please help me in knowing about this language. I have gone through many AJAX tutorials. But none of the programs are running. Why I don't know. Do we save the file with .HTML extension?

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  • detect when a webpage is updated

    - by Martin Trigaux
    Hello, There is a website (very simple) which will be updated soon and I'd like to receive an alert at the moment it changes (like a sound, a popup,...) I guess I should send request every x minutes and compare the result with what's now but I don't know how to do that. I don't really care about the language used, I know java, python, php, a bit of c and bash (I'm on linux)... Thank you

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