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  • How can I ease the work of getting pixel coordinates from a spritesheet?

    - by ThePlan
    When it comes to spritesheets they're usually easier to use, and they're very efficient memory-wise, but the problem that I'm always having is getting the actual position of a sprite from a sheet. Usually, I have to throw in some aproximated values and modify them several times until I get it right. My question: is there a tool which can basically show you the coordinates of the mouse relative to the image you have opened? Or is there a simpler method of getting the exact rectangle that the sprite is contained in?

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  • Paradigms fit for UI programming

    - by Inca
    This is a more specific question (or actually two, but they are related) coming from the comments of OOP technology death where someone stated that OOP is not the right paradigm for GUI programming. Reading the comments there and here I still have the feeling there are things to learn: which programming paradigms are considered good fits and why are they better than others (perhaps with examples to illustrate?) I removed the tk-example from the title and question

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  • How can I set up the Trusty Desktop ISO for preseeding?

    - by user288087
    With Precise, I used to create a USB stick using the so-called "Alternate" installer DVD with my own preseed.txt, update isolinux/txt.cfg with a new menu item that would pass my preseed file on the command line, and watch as the installer happily did all the right things to create a Ubuntu install on the hard drive of the machine I booted. With Trusty, the 'alternate' image has disappeared. Is it still possible to preseed a Trusty install, and if so, how do I get the d-i/ubiquity system to use my preseed file?

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  • How to resize a LVM partition?

    - by iiddaannyy
    I want to shrink my second (lvm) partition, so I can create a new partition in the freespace. I am using Live-CD to do so, because I know I can't resize/move this partition while it is in use. When I opened GParted in Live-CD, I realized that I could not resize the partition, because when I right-click it, the option "resize/move" is disabled. I tried to unmount it, to "lazy" unmount it (umount -l /dev/sda2) but it didn't work. A screenshot from GParted:

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  • Should I set NOINDEX header for my JS, CSS and image files?

    - by Yoga
    Are there any harms if my site send NOINDEX headers for all my static assets? For image files, I refer to those valueless, e.g. background images, button images, etc. Update: more background information I have this concern is since recent Google said they also execute JS and they might fetch content via Ajax. So, for example, if I send noindex for my jQuery script, so Google would not be able to use them to load Ajax, I suppose it is not good for my site's SEO, right?

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  • JavaScript snippet that populates the table

    - by kayn
    I would like to write a JavaScript snippet that populates the table based on the selection, and not create several details panes and toggle their visibility. I tried implement this using the following code but its not working as desired,firstly,it only works with internet explorer under certain conditions and it just toggles visibility of detail panes;Below is my code; <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <HTML> <HEAD> </HEAD> <BODY onLoad="tblTB_0.style.display='';tblTB_1.style.display='none'; tblTB_2.style.display='none'; tblTB_3.style.display='none'"> <center> <table> <tr> <td> <H1> <align="left"> Candi Colledge of Computing <br/>Course Page </H1> </td> </tr> </table> </center> <hr> </br> <H2><P STYLE="color: blue">Honours Courses.</H2> <left> <p><a href="" onclick="tblTB_1.style.display=''; tblTB_2.style.display='none'; tblTB_3.style.display='none'"> Concurrent Programming</a> <br/> <a href="" onclick="tblTB_1.style.display='none';tblTB_2.style.display=''; tblTB_3.style.display='none'">Simulation of Networks</a><br/> <a href="" onclick="tblTB_1.style.display='none';tblTB_2.style.display='none'; tblTB_3.style.display=''">Advanced Computer Science Topics</a></p> <br> <table style="table-layout: fixed"; border=1> <colgroup> <col width="100px"><col width="150px"><col width="150px"> </colgroup> <tbody id="tblTB_0"> <tr> <td>Course Code</td> <td>Lecturer</td> <td>Hours/Week</td> <td>Credits</td> </tr> </tbody> <tbody id="tblTB_1"> <tr> <td>RW 714</td> <td>Dr. kate</td> <td>2 hrs</td> <td>15</td </tr> </tbody> <tbody id="tblTB_2"> <tr> <td>RW 742</td> <td>Prof. Broz</td> <td>4 hrs</td> <td>10</td> </tr> </tbody> <tbody id="tblTB_3"> <tr> <td>RW 716</td> <td>Consultant</td> <td>3 hrs</td> <td>12</td> </tr> </tbody> </table> </left> <br> </BODY> </HTML>

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  • Current activity logger

    - by user72605
    Very inexperienced coder here: Does anyone know of an app (for iOS or Mac) that asks for my current activity every hour or so? I see tons of apps that let you log your activities, but none that use popups/notifications to actively ask you. I found a script that looks promising (source), but I'm having trouble implementing it so that it repeats every hour: #!/bin/bash echo What are you doing right now? read -e what echo `date` - $what >> timelog.txt Thanks!

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  • How to make my own web app

    - by pgrytdal
    After switchign to Ubuntu 12.10, I have discovered I like the Web App's feature. I do not, however, like the Gwibber application, or Twitter.com (and it's web app) because of lack of features. I do, however, like the Twitter client Hotot, but for some reason, is not working for me right now. I was wondering if there was a way I could make web.tweetdeck.com a Web App, until I can get Hotot working for me? Thank you!

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  • (Where) Can I learn creating art for my 2D games?

    - by Poorly paid coder
    I'm currently bad at drawing. If I want to create something looking acceptable, it usually takes me hours and hours to fiddle around just to get the basic looks right. I think that I'm not completely skill-less, I just lack simple drawing techniques.. Am I a hopeless case? Where is a good place to start out in drawing for 2D games? I'd like to be able to create acceptably good backgrounds, terrains / tilemaps, characters and weapons

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  • mobile app development noob

    - by hit
    I know c, most of c++, a little assembly, win32 console, etc I'm looking for free, cross-platform, c / c++, emulator, etc I'm a beginner to the mobile app world, so I'm lost. some that pop to mind on this list: http://en.wikipedia.org/wiki/Mobile_application_development Airplay SDK, Aqua, BatteryTech, DragonFireSDK, IwGame Engine, Symbian, Windows Mobile i don't wanna use a API that is considered obsolete, if someone could set me on the right path, thanks

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  • What happens when you delete all the start screen tiles?

    - by TechTwaddle
    Note: I am currently in the process of relocating my blog from http://www.geekswithblogs.net/techtwaddle to my new address at http://www.techtwaddle.net I suggest you point your feed readers to the new address as I slowly transition to my new shared-hosted, ad-free wordpress blog :)   Well, the start screen disappears and all you see is the application list, which normally shows up when you scroll to the right. Pretty interesting I thought. So the start screen is basically a shortcuts screen on steroids, much nicer looking and with tile notifications.

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  • How to activate a dialogue box on suspend?

    - by don.joey
    I am using 14.04 with unity. Quite regularly it happens to me that I want to shutdown the computer, but in the right corner menu I accidently hit Suspend in stead of Shutdown. Is it possible to add a dialogue box on the suspend menu? So that I don't always have to come back from suspend to finally shutdown afterwards. Or is it possible to make the shutdown button like 3 times bigger than the suspend button?

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  • SQL Monitor Performance Metric: Buffer Cache Used Per Database in MB

    Data pages read from disk are placed in the buffer pool with the intention that they will be reused, and accessing them from RAM is faster than from disk. Knowing how much of your RAM is committed to each database can help you provision the right amount of RAM to SQL Server, and also to identify rogue queries that draw too much data into RAM and force data from other databases out of the cache. Deployment Manager 2 is now free!The new version includes tons of new features and we've launched a completely free Starter Edition! Get Deployment Manager here

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  • clicking a button via javascript does not cause a post

    - by Andreas Niedermair
    hi there! <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.js"></script> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.2/jquery-ui.js"></script> </head> <body> <form id="fooForm"> <script type="text/javascript"> function FooMethod() { alert('hello'); } var fooButton; var fooForm; $(document).ready(function() { InitializeVariables(); InitiliazeDialog(); InitiliazeForm(); }); function InitializeVariables() { fooButton = $('#fooButton'); fooForm = $('#fooForm'); } function InitiliazeDialog() { var dialog = $('<div/>'); dialog.css('display', 'none'); var content = $('<p/>'); var icon = $('<span/>'); icon.addClass('ui-icon ui-icon-alert'); icon.css('float', 'left'); icon.css('margin', '0px 7px 20px 0px'); content.text('do you really want to hurt me?'); icon.prependTo(content); content.appendTo(dialog); var dialogOpenMethod = function () { dialog.dialog('open'); return false; }; var dialogOpenHandlerMethod = function (event, ui) { var widget = dialog.dialog('widget'); widget.appendTo(fooForm); var overlay = widget.prev(); overlay.css('z-index', 999); overlay.appendTo(fooForm); widget.css('position', 'fixed'); widget.css('top', '50%'); widget.css('margin-top', widget.height() / 2 * -1); widget.css('left', '50%'); widget.css('margin-left', widget.width() / 2 * -1); }; var submitMethod = function () { dialog.dialog('option', 'closeOnEscape', false); var widget = dialog.dialog('widget'); var yesButton = $(':button:eq(0)', widget); var noButton = $(':button:eq(1)', widget); var closeButton = $('a.ui-dialog-titlebar-close', widget); noButton.remove(); closeButton.remove(); fooButton.unbind('click', dialogOpenMethod); fooButton.click(); }; dialog.dialog({ autoOpen: false, modal: true, buttons: { 'Ja': submitMethod, 'Nein': function () { dialog.dialog('close'); } }, open: dialogOpenHandlerMethod }); fooButton.bind('click', dialogOpenMethod); } function InitiliazeForm() { fooButton.button(); fooForm.submit(function () { alert('doing a submit'); }); } </script> <input type="submit" id="fooButton" value="submit it!" onclick="FooMethod();"></input> </form> </body> </html> what am i doing? i want a modal-confirmation: user clicks on button, confirmation "do you really want to...?", user clicks "yes", this click unbinds the original click-handler and clicks the button again (which should cause a submit). what/why is not working? indeed you need a special case. this demo won't work, unless you set modal: false. interesting to mention: the original handler (onclick="FooMethod();") is called in modal and non-modal dialog. can anybody help me out? thanks in advance! i also opened a ticket on jqueryUI for this

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  • Desktop Fun: Waterfalls Wallpaper Collection Series 2

    - by Asian Angel
    Two years ago we shared a terrific collection of waterfall wallpapers with you and today we are back with more. Let these wonders of nature cascade onto your desktop with the second in our series of Waterfalls Wallpaper collections. HTG Explains: Learn How Websites Are Tracking You Online Here’s How to Download Windows 8 Release Preview Right Now HTG Explains: Why Linux Doesn’t Need Defragmenting

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  • Leeroy Jenkins Reimagined As a Bank Heist [Video]

    - by Jason Fitzpatrick
    In this 3-minute short film, Leeroy Jenkins of World of War Craft infamy, brings his raid-botching power to the real world in a bank heist gone wrong. If you haven’t seen the original Leeroy Jenkins clip, watch it first to properly contextualize this entertaining little film. [via Super Punch] HTG Explains: Learn How Websites Are Tracking You Online Here’s How to Download Windows 8 Release Preview Right Now HTG Explains: Why Linux Doesn’t Need Defragmenting

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  • Do I need to go to a big-name university?

    - by itaiferber
    As a soon-to-be graduating high school senior in the U.S., I'm going to be facing a tough decision in a few months: which college should I go to? Will it be worth it to go to Cornell or Stanford or Carnegie Mellon (assuming I get in, of course) to get a big-name computer science degree, internships, and connections with professors, while taking on massive debt; or am I better off going to SUNY Binghamton (probably the best state school in New York) and still get a pretty decent education while saving myself from over a hundred-thousand dollars worth of debt? Yes, I know questions like this has been asked before (namely here and here), but please bear with me because I haven't found an answer that fits my particular situation. I've read the two linked questions above in depth, but they haven't answered what I want to know: Yes, I understand that going to a big-name college can potentially get me connected with some wonderful professors and leaders in the field, but on average, how does that translate financially? I mean, will good connections pay off so well that I'd be easily getting rid of over a hundred-thousand dollars of debt? And how does the fact that I can get a fifth-years master's degree at Carnegie Mellon play into the equation? Will the higher degree right off the bat help me get a better-paying job just out of college, or will the extra year only put me further into debt? Not having to go to graduate school to get a comparable degree will, of course, be a great financial relief, but will getting it so early give it any greater worth? And if I go to SUNY Binghamton, which is far lesser-known than what I've considered (although if there are any alumni out there who want to share their experience, I would greatly appreciate it), would I be closing off doors that would potentially offset my short-term economic gain with long-term benefits? Essentially, is the short-term benefit overweighed by a potential long-term loss? The answers to these questions all tie in to my final college decision (again, permitting I make it to these schools), so I hope that asking the skilled and knowledgeable people of the field will help me make the right choice (if there is such a thing). Also, please note: I'm in a rather peculiar situation where I can't pay for college without taking out a bunch of loans, but will be getting little to no financial aid (likely federal or otherwise). I don't want to elaborate on this too much (so take it at face value), but this is mainly the reason I'm asking the question. Thanks a lot! It means a lot to me.

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  • Are One Way Links Still Important in Search Engine Optimization?

    Pretty dumb question huh? But people are beginning to wonder considering that Google might change its algorithms again. If you doubt it, do a quick search on the keyword "Google caffeine". This is the new Google search engine and so far, beta testers have stated that it is faster, provides more relevant search engine results and son. Anyways, whatever the case may be, it is important to note that one way links are important right now because the search engines have made them so.

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  • Is perfectionism a newbie's friend or enemy? [closed]

    - by Akromyk
    Possible Duplicate: Where do you draw the line for your perfectionism? I see that the development community is very focused on doing things the right way and personally I would like to do the same too, however, is it a good or bad idea for a newbie to focus on design principles, design patterns, and commenting code when getting started, or is it better to let creativity run wild and potentially write sloppy code. Where should a newbie draw the line?

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  • Fixing USB drive auto-notify

    - by steevc
    Yesterday I was copying files from SD cards, but at some point they stopped auto-mounting. Didn't notice any errors. I can still mount by right-clicking the appropriate file in /dev in Konqueror. UPDATE: Slight correction. The drives never automounted, but I've stopped getting the notification that a drive is plugged in. What processes should I be checking? Something in Device Actions? I'm using Kubuntu 10.04

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  • Collaborative coding chat options

    - by jayunit100
    Hi guys : Are there any established online sites for collaborative coding ? I have a github project with 5 developers, in different areas - we need somewhere that we can all "hangout" at. Right now we use group skype, but skype is designed more for family/social communication , and doesn't work on linux. IRC is okay, but its a little difficult to use for novices. an interface like yammer, twitter, facebook would be ideal, but also, we would want it to be real time (not requiring page reloads etc...)

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