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  • how to start learning JavaScript

    - by antriksh
    Dear All, I am experienced in the technical support like Linux, oracle, sunos etc and but if i say scripting i know little bit of bash. Now i promoted to manage technical engineers including some JavaScript developers, so i want to learn JavaScripting so that i can understand engineers. Hope you understand. Can you please advise me how can i start JavaScripting and point me to some simple docs and examples.

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  • Is there a better way to declare an empty, typed matrix in MATLAB?

    - by Arthur Ward
    Is there a way to "declare" a variable with a particular user-defined type in MATLAB? zeros() only works for built-in numeric types. The only solution I've come up with involves using repmat() to duplicate a dummy object zero times: arr = repmat(myClass(), [1 0]) Without declaring variables this way, any code which does "arr(end+1) = myClass()" has to include a special case for the default empty matrix which is of type double. Have I missed something a little more sensible?

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  • How to shrink Windows 7 XP Mode VHD files?

    - by A_M
    I'm trying to shrink a Windows 7 XP Mode VHD file with VhdResizer with little success. When I select my VHD file, it says "VhdExpand only supports fixed and dynamic VHD files". My XP Mode VHDs are dynamic files. Does anyone have any idea why it is failing? Failing that, does anyone have a process that I can use to shrink my XP mode VHD files on Windows 7 (64 bit)?

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  • Cross platform GUI Programming with D

    - by Adam Hawes
    I want to start programming with D. I have a simple application in mind that needs a GUI but I want to make sure it's portable to Linux/Windows/Mac equally well and with minimal (no) change for each platform. wxD is looking like the contender of choice because I know the wx toolkit already. I see fltk4d as a contender and a (unfinished) wrapper around Qt. Are there any other truly cross platform GUI toolkits for D that will go where I want with little effort and what would the the toolkit of choice for people here?

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  • Pretty Pixel-level Picture Painting, Programatically

    - by dreeves
    My mac laptop has 1,024,000 pixels. What's the simplest way to turn my display completely black and go nuts with writing little programs to twiddle pixels to my heart's delight? To make it more concrete, say I wanted to implement the Chaos Game to draw a Sierpinski triangle, at the pixel level, with nothing else on the screen. What are ways to do that?

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  • is there any programming language that can bring together edit and compile / run ???

    - by Aff
    When I code, I always write little pieces of unit, and compile it often. This helps me to make sure that everything run correctly, but it's very time consumed. is there any programming language that can support us to do coding and running at the same time side by side ? i mean as soon as a key press leads to valid code, the effect of the edit is incorporated into the executing program.

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  • opensourcing a website code

    - by pygabriel
    Hi! I'm writing a little website (webapp) in php+codeigniter, I'd really like to make it open source (to attract collaborators and to have a free VCS hosting). Is that a good practice? This mine security? Which are the best tools to change important data before uploading? (like config files with db names and passwords used for testing etc..)

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  • ant (1.8.0/1.8.1) zip empty directories

    - by andersonbd1
    Hi, I noticed that neither the zip or jar targets are including empty directories. I googled a little and found this was a regression issue way back with 1.6 (.2 I think), but it was claimed to have been fixed. I was using 1.8.0 so I upgraded to 1.8.1, but am having the same issue. Anyone know of any workarounds besides adding dummy files to those directories? Thanks, Ben Anderson

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  • Integrating a google map into rails

    - by Sonia
    Hi, Has anyone got any suggestions on where to start with building a google map into a rails app? I would like users to be able to add a marker by clicking the map, and have spent a few days looking for a suitable tutorial or plugin (beyond ym4r), to little avail...any help would be much appreciated!

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  • Best programming based games

    - by Matt Sheppard
    Back when I was at school, I remember tinkering with a Mac game where you programmed little robots in a sort of pseudo-assembler language which could then battle each other. They could move themselves around the arena, look for opponents in different directions, and fire some sort of weapon. Pretty basic stuff, but I remember it quite fondly, even if I can't remember the name. Are there any good modern day equivalents?

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  • multiple action buttons one view on iphone

    - by alecnash
    I am trying to create a map app for iphone and I have a little problem. Every pin on the map has a different name. How can my program know which pin button is pushed so it can get the data from the server. I've created only one detailed view and I don't know how to make this work.

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  • Maximize application in system tray?

    - by Nicros
    I wrote a little WPF app that when 'closed' minimizes to the system tray (customer requirement). Double clicking pops it back up, or right click gives a context menu to exit. But if the app is minimized, and the users navigate to Start-All Programs-The Application it starts a new instance. What (in C#) do I need to do to get the app to maximize the running instance if the user does this rather than fire up a new instance? Thanks!

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  • How to display a non-model, temporary pop-up message in Android?

    - by chefgon
    For an example of what I'm looking for, hit the Home button while you're composing a message in the Gmail app. A little message will pop up at the bottom of the screen for a moment that says "Message saved as Draft." I can't figure out how to display one of those messages myself, and I'm not sure what to call it so I can't do a search for it.

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  • Dividing into fractors in C#

    - by Shane
    Simple question I think, I am a little unsure as to why decimal currentPercentage = 0; currentPercentage = currentPercentage*((decimal)1 / (decimal)daysPerYear--);//or currentPercentage *= ((decimal)1 / (decimal)daysPerYear--); Will return 0 everytime but (decimal)1 / (decimal)daysPerYear--; will return the decimal I am after. What am I missing here?

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  • How to execute machine language from memory?

    - by Mike Curry
    I wrote a program to compile a simple text program to a compiled executable... Is it possible that I can load an executable to memory an some how point a pc counter to the memory space at will? Here is what I made that I would like to store the programs to memory for execution on demand... Kind of wanting to make a little web language like php but compile it... Just for learning. http://spiceycurry.blogspot.com/2010/05/simple-compilable-programming-language.html

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  • Standard upload web control alternatives

    - by Roy
    Hi all, I'm developing a ASP.NET MVC application. There is little space for me to put two standard file uploading web controls in a page. So I'm seeking for some succinct alternatives. A checkbox-look button pops up a file open dialog is ideal. Is there any kind of stuff? Thanks in advance!

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  • domain -> subdomain - passing session data

    - by Phil Jackson
    Howdy, having a little trouble here. I have domain.co.uk setting a session. When I click on a link on domain.co.uk to go to sub.domain.co.uk the session is not being read. I have altered session.cookie_domain to .domain.co.uk not still not working. Is there anything else that needs changing? Regards, me.

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  • JSONP & jQuery Chunking

    - by Tom
    Hi Guys, I am wanting to utilize JSONP for a project with x-domain scripting but little concerned with the 2048 character limit in IE. Does JSONP support "chunking" automatically if character size exceeds 2048 ? If yes, does anyone have any examples they can share ? Thx

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  • Does knowing a Natural Language well help with Programming?

    - by Earlz
    We all hear that math at least helps a little bit with programming. My question though, does English or other natural language skills help with programming? I know it has to help with technical documentation, but what about actual programming? Are certain constructs in a programming language also there in natural languages? Does knowing how to write a 20 page research paper help with writing a 20k loc programming project?

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  • Python shortcuts

    - by lyrae
    Python is filled with little neat shortcuts. For example: self.data = map(lambda x: list(x), data) and (although not so pretty) tuple(t[0] for t in self.result if t[0] != 'mysql' and t[0] != 'information_schema') among countless others. In the irc channel, they said "too many to know them all". I think we should list some here, as i love using these shortcuts to shorten & refctor my code. I'm sure this would benefit many.

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