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• Is it possible for a web-server to send more files than requested for, and have the browser accept them?

  - by Osiris

  I've created a basic web server for a school project, and it serves static content without a problem. I thought of having the server parse all htm/html files for links to .js/.css/image files, and send these files to the client without these files being requested by the client later. eg. The browser requests: index.htm The server responds with intex.htm and image.jpg I modified the server to send two distinct http responses for a "GET /index.html HTTP1.1" (one for the html page and one for the image), but the browser ended up requesting the image when it was good and ready. Is there any way to bypass this? (use a multipart response, perhaps) Will these files be accepted by most browsers, or will they be rejected for security reasons?

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• User prompts (MessageBox) with MVVM

  - by mukapu

  The problem statement: I am tired of thinking how to show a simple message box or user prompt and act based on the response in Model-View-View-Model (MVVM). Common approaches: - It's ok, let's just do this one thing from ViewModel and mock this out for unit testing - Design my own dialog, then what to do from there - Can I write something in view code behind, ah yes, that seems to be the only way out, as anyway MVVM is still not matured...  - and what not?   I am pretty much one among the few frustrated out in this world looking for some convincing answers. I think we can do it a little neater without having the feeling of violating any of our self defined rules! Solution: The Control - Implement a simple control with no designer visibility. - Allow a property to be bound to tell when to show the MessageBox - Provide command binding for possible user actions, Yes, No, Cancel... How do I Use? - Just place the necessary XAML tags in the view - Implement the command for all user actions in the View Model - Run unit tests on the commands

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• Which VCS is more applicable for our workflow?

  - by Thomas Mancini

  Currently we have code stored on a shared network drive and do not use any kind of VCS. The code stored on our shared network drive is always being backed up. We would like to keep things as close to they are now as possible, while using some kind of VCS software. I am envisioning a centralized workflow with each developer having a local copy of the code on his/her machine. We don't do any branching or working offline. Typically when we spin off a new version we would just copy the current working directory to a new directory. I believe we would continue doing this and just create a repository for the new version. I would rather not get into an argument over which VCS is better, just hoping to get some opinions for which is best suited and most applicable for what we are trying to do.

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• vlc issue with unity

  - by bob

  I'm using ubuntu 12.04 with unity 3d. I am having troubles to lock vlc (version: VLC media player 2.0.1 Twoflower (revision 2.0.1-0-gf432547)) to the left panel. It doesn't behave the same way other applications do. This is a fresh install from the repo, I didn't change any settings. Ubuntu 12.04 is also a fresh install. For example, (left) clicking on it doesn't bring it to front, but creates a new instance (this in particular is very annoying, if it gets behind another window, that happens to be maximized, there is no way to bring it back up). It also doesn't have a right arrow to say the number of instances there is. Any way around that ?

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• What are the disadvantages of naming things alphabetically?

  - by JoJo

  Let me give you an example of how I name my classes alphabetically: Car CarHonda (subclass of Car) CarHondaAccord (subclass of CarHonda) There are two reasons why I put the type of the class earlier in its name: When browsing your files alphabetically in a file explorer, related items appear grouped together and parent classes appear above child classes. I can progressively refine auto-complete in my IDE. First I type the major type, then the secondary type, and so on without having to memorize what exactly I named the last part of the thing. My question is why do I hardly see any other programmers do this? They usually name things in reverse or some random order. Take the iOS SDK for example: UIViewController UITableViewController What are the disadvantages of my naming convention and the advantages of their convention?

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• iPhone 3d Model format: .h file, .obj, or some other?

  - by T Reddy

  I'm beginning to write an iPhone game using OpenGL-ES and I've come across a problem with deciding what format my 3D models should be in. I've read (link escapes me at the moment) that some developers prefer the models compiled in Objective-C .h files. Still, others prefer having .obj as these are more portable (i.e., for deployment on non-iPhone platforms). Various 3D game engines seem to support many(?) formats, but I'm not going to use any of these engines as I would like to actually learn OpenGL-ES. Am I putting myself at a disadvantage here by not using a packaged engine? Thanks!

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• How to get rid of bookmarks in synced Chromium

  - by Lambda Dusk

  I'm using three Ubuntu systems in an irregular pattern, and since I use Chrome/Chromium anyway and have a Google account, I decided to make my life a bit easier and sync them. Now I am having a problem: When I want to remove bookmarks from my lists, they not only come back when I switch the machine, they double. By now, I have up to ten identical bookmarks in the list and I spend a lot of time scrolling over them. Is there any way to remove them permanently? EDIT: Apps, too.

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• Samsung ultrabook usb stick install of Ubuntu fails, keeps booting windows

  - by Michael Durrant

  I'm trying to install Ubuntu on a Samsung ultrabook via a usb stick. I've tried 12.04 both regular and alternate on 3 different USB sticks but not having success. The laptop just keeps booting into windows. I used unetbootin to create the USB image as this worked for when when doing a toshiba ultrabook installation. I reset my Boot Menu to be 1 USB HDD 2 USB CD 3 USB FDD 4 SATA HDD SanDisk SSD u100 128GB Then F10'd but no success, still boots windows. I've tried changing UEFI boot support to be enabled and I've tried changing PXE OPROM to be enabled but neither has helped.

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• Learning the basics

  - by Kevin

  I am a Linux server administrator first and foremost... Having said that, I have been asked by a former high school teacher of mine to teach students a bit about programming. Like any Linux administrator, I know my fair share of Python and Bash. The problem is that I know NOTHING about the lower level stuff like "machine code" and compilation. The main purpose of this series is to teach programming, not computer science, so I don't need a graduate degree's level of knowledge for this, they will be learning Python first and foremost. However, I would like to learn enough to at least broach the subject with them, any ideas where I can learn that kind of stuff relatively quickly?

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• Someone erased the mac os x with ubuntu, how do i get it back?

  - by Azarius Jenkins

  so for a further detail about this, my friend has a macbook pro thats all i know about it specfically aside from the fact it was running os x lion. before this guy got a hold of the computer that he knows, I could hit the command key and the R key to get to the disk utilities and what-not to install OS X Lion on it, but now since whomever my friend let touch th mac, i no longer and do any of the start-up keys for it.. I've been trying to geth the mac os x lion on there and im having no luck what-so-ever, if anyone could help me with this i would be greatly appreciative... if you need anymore info that i may be able to provide please feel free to ask. thank you again.

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• Kubuntu 12.04: Change login screen background?

  - by drezabek

  I am having trouble changing my login screen background. I can select the default wall paper, the Kde-default one, but when ever I select my own custom wallpaper, there is no image, just a solid color. Normally, I would just ignore it, but the thing that bugs me is that this is a fresh install of Kubuntu 12.04 64bit, and the OS before this one, the one I overwrote, I had no trouble using the exact same image as the background... Settings In the System Settings application, Login Screen settings, Background tab, enable background, Under "Background", selected Picture, under options, selected Position: Scaled. Colors: Single Color. Blending: No Blending.

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• Using IE 9 as my primary browser

  - by Robert May

  With the release of Internet Explorer 9 RC the browser looks to be in a usable state.  So far, my experience has been positive. However, one area where I am having problems is when people are using the jQueryUI library.  Versions older than 1.8 cause IE 9.0 to be unable to drag and drop.  This is a real pain, especially at sites like Agile Zen, where dragging and dropping is a primary bit of functionality. Now that IE 9 is a release candidate, we’ll see how quickly these things improve.  I expect things to be rough, but so far, I’m really liking IE 9.  There’s more real estate than Chrome (it’s the tabs inline with the address bar) and its faster than Chrome 9.0 and FF 3.6.8 (as tested on my own machine). The biggest drawback so far is that because IE has been so badly behaved in the past, sites expect it to be badly behaved now, which is breaking things now. Technorati Tags: Internet Explorer

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• Deferred contexts and inheriting state from the immediate context

  - by dreijer

  I took my first stab at using deferred contexts in DirectX 11 today. Basically, I created my deferred context using CreateDeferredContext() and then drew a simple triangle strip with it. Early on in my test application, I call OMSetRenderTargets() on the immediate context in order to render to the swap chain's back buffer. Now, after having read the documentation on MSDN about deferred contexts, I assumed that calling ExecuteCommandList() on the immediate context would execute all of the deferred commands as "an extension" to the commands that had already been executed on the immediate context, i.e. the triangle strip I rendered in the deferred context would be rendered to the swap chain's back buffer. That didn't seem to be the case, however. Instead, I had to manually pull out the immediate context's render target (using OMGetRenderTargets()) and then set it on the deferred context with OMSetRenderTargets(). Am I doing something wrong or is that the way deferred contexts work?

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• dpkg returns error 10 when processing package php5-common

  - by Jesse

  I'm having trouble installing php in 13.04. Seems like the package manager can't (re)configure the php package. I already tried purging every php* package, removing the cache files in /var/cache/aptbut and other solutions I've found but nothing seems to work. Here's the error output: $ sudo dpkg --configure -a Setting up php5-common (5.4.9-4ubuntu2.3) ... dpkg: error processing php5-common (--configure): subprocess installed post-installation script returned error exit status 10 Errors were encountered while processing: php5-common sudo apt-get install -f sudo apt-get install php5-common php5 they all return the same error. How can I fix this?

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• Finding diagonal objects of an object in 3d space

  - by samfisher

  Using Unity3d, I have a array which is having 8 GameObjects in grid and one object (which is already known) is in center like this where K is already known object. All objects are equidistant from their adjacent objects (even with the diagonal objects) which means (distance between 4 & K) == (distance between K & 3) = (distance between 2 & K) 1 2 3 4 K 5 6 7 8 I want to remove 1,3,6,8 from array (the diagonal objects). How can I check that at runtime? my problem is the order of objects {1-8} is not known so I need to check each object's position with K to see if it is a diagonal object or not. so what check should I put with the GameObjects (K and others) to verify if this object is in diagonal position Regards, Sam

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• Handheld device software - Handheld tuners?

  - by NathanH

  Hey I've been looking around and really don't understand what software some of these company's use for their handheld devices. I've used a lot of Handheld Tuners (Cobb Accessport, Diablo Sport). I've gotten more and more knowledgable of programming and I'm really wanting to understand what software they use on these devices to have a graphical interface. And to hold all the files to flash over to the ecu. I'm just unsure how you would get basically all the components to work together (screen, buttons, memory) without having drivers installed. I could be totally wrong here on using the term drivers, but that's what I would like some help to get more knowledge on (only thing I've really found is making a handheld game boy from scratch,but that was using a emulator.). I've tried looking it up but can't really find a good write up or explanation anywhere I look. Just really would like to put a little device together and have a simple user interface and work from there. Thanks, Nathan

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• Hiding images in folder without renaming or moving the files

  - by Marcus

  I'm dual booting Ubuntu with Windows and I have all my music on a separate harddrive. In Windows the album art is hidden by default but when I access the folder in Ubuntu there is two album artwork files for every mp3, one small and one large. I would like to hide those images without having to rename them with a dot before or moving them to some other folder becuase then the album artwork would dissapear in Windows. Is there a way to make a .hidden file which hides all images or any other way which hides all images in nautilus?

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• Images not indexed by google since moving to cdn

  - by dfunkydog

  Last week I moved all the images on coffeeandvanilla.com to a cdn( maxcdn.coffeeandvanilla.com ). The problem I'm having is that although the sitemap—generated by yoast wordpress seo plugin—points images to the correct location, google only indexes[sic] images from the category and page site maps but 0 images from the posts sitemap( see screenshot https://dl.dropbox.com/u/4635252/sitemap.png ) This website has been doing quite well with google image-search before the change, visits from google image search have dropped from ~200/day to 11 yesterday Here is an example entry from the generated posts.xml sitemap http://pastebin.com/vcMRf9VW Can anyone suggest where the problem lies? Why have I lost all my google image juice? Should I just wait some more, how long before really worrying?

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• On-line Based Conferencing For Admin Panel

  - by Tim Marshall

  Working on my admin panels work station section which will allow the admin to use simple office tools such as word editors, calculators and whatnot. Under this section of the admin panel, I would like to add a conferencing feature which will allow any administrator to connect with another administrator 1-2-1 under the 1-2-1 Conferencing section, or to join a meeting under 'live meeting' section. Upon my search for on-line based, I found there are all these, what seem to be great applications out there, however not all of them are on-line based, and come with a price! I would like to a purely on-line based conferencing/meeting/1-2-1 feature which will allow administrators to communicate via text or sound, stream their video, share their screen and sending of files. I know this sounds like a big feature, and I am not asking for someone to answer by programming one for my website! Does anyone know my best solution to progress to having this feature on my website, any tutorials or free to use, free to modify web plugins? Thank you for your help, Best Regards, Tim

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• URL rewriting via forward proxy

  - by Biggroover

  I have an app that runs inside my firewall and talks out to multiple end points via HTTP/HTTPS on a non-standard port e.g. http://endpoint1.domain.com:7171, http://endpoint2.domain.com:7171 What I want to do is route these requests through a forward proxy that then rewrites the URL to something like http://allendpoints.domain.com/endpoint1 (port 80 or 443) then on the other end have a reverse proxy that unwinds what I did on the forward proxy to reach the specific endpoints. The result being that I can route existing app requests through to specific endpoints across the internet without having to change my app software. My questions are: is this even possible? is it a good idea, are their better ways to do this? Can this be done with IIS and Apache as the proxies?

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• google webmaster showing 6 pages submitted 0 indexed, yet i can see them all there when i search in google?

  - by sam

  I have a small 'brochure' type site with 6 pages, i can see them all the pages showing up in google when i search for my site. But in webmaster tools under the sitemaps section it says 6 submitted, (the blue bar of the graph), but the indexed pages - the red bar is showing 0 indexed pages, even though they seem to be indexed ? any idea why this is ? I dont really think its that important as the pages are still indexed, but it just seems odd. =================================================== UPDATE 9/3/12 having just looked in google webmaster its showing that there are 11 pages indexed, under the health index status tab.. but under the optimization sitemap tab it shows 6 urls submitted but only 1 indexed ? please see images bellow index status: Sitemap status:

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• Detecting tile with height in isometric game

  - by Carlos Navarro

  I'm trying to create an isometric tile-based game (for iPhone) and I'm having trouble with height in tiles. What I currently do (without heights) is apply some mathematic transformations to my 2D-matrix (which represent the tiles) so that I know where in the screen (x,y) should I place the isometric tile. Then, when the user clicks somewhere in the screen, I take that values and pass them through a function (kind of f^-1) to get which tile it belongs to. This works perfectly. My problem is: imagine that I want some tiles to have a different height from others. In order to draw the tile itself its pretty simple, since the z-coordinate has no transformation in the isometric approach used in games (z'=z). BUT what if I want to calculate the tile coordinate (defined by X-tile and Y-tile) from the touch coordinates (x,y)? Any guess?

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• Trouble installing downloaded program

  - by Hamlette

  I purchased and downloaded Celtx and I'm having trouble installing it (in Ubuntu 13.04). I'm a Linux newbie (literally had it for four days) so please be kind and don't assume much experience with the command line, I'm still learning. The folder with all related files/packages etc. is under "Downloads" and I have tried several commands to try and install but I'm just not doing it right and would appreciate help with exactly what command(s) to use. Sudo apt-get install celtx did not work. I'm assuming I'm missing a step somewhere.

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• Locomotion-system with irregular IK

  - by htaunay

  Im having some trouble with locomtions (Unity3D asset) IK feet placement. I wouldn't call it "very bad", but it definitely isn't as smooth as the Locomotion System Examples. The strangest behavior (that is probably linked to the problem) are the rendered foot markers that "guess" where the characters next step will be. In the demo, they are smooth and stable. However, in my project, they keep flickering, as if Locomotion changed its "guess" every frame, and sometimes, the automatic defined step is too close to the previous step, or sometimes, too distant, creating a very irregular pattern. The configuration is (apparently)Identical to the human example in the demo, so I guessing the problem is my model and/or animation. Problem is, I can't figure out was it is =S Has anyone experienced the same problem? I uploaded a video of the bug to help interpreting the issue (excuse the HORRIBLE quality, I was in a hurry).

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• Windows Not Sleeping All Night

  - by John Paul Cook

  Having a computer wake up when you don’t want it to wastes electricity and drains the battery on mobile devices. My desktop had been waking up at night, so I assumed it was some network traffic on my home network. I unchecked Allow this device to wake the computer on my network adapters . Figure 1. Network adapter Power Management tab. That didn’t solve the problem. I included the screen capture in Figure 1 because it could be part of the solution for someone else. To identify the root cause instead...(read more)

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