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• Alternative ways to construct maps

  - by sideways8

  I've searched around and it seems like most people are using tile-based map systems. I suppose this question is more theoretical than practical (I am not very concerned about memory or performance speed), but I want to know: what other ways can a map be created in a game? A map being a graphic representation of terrain that can be navigated, has entrances and exits, and boundares (no-go zones). Besides using text files to store and arrays to load tile data, one idea I had was to store a map entirely as a graphic file and use queries on the pixel colour to determine boundaries (ie, you can only move in a certain direction if the way is bright enough in that direction). What other creative map systems are out there?

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• How do I configure the mouse to raise and lower windows

  - by user288496

  I've just installed 14.04 and cannot find the congfuration screen to control how mouse clicks are acted on by the window manager, and then optionally passed to the application. I want to set the sane traditional unix behaviour of: - 'focus follows mouse': done. - 'never auto-raise': done. - 'raise when click on border or title': Can't find the option. A middle button click on the tile does lower a window - but traditionally it would also raise the botton window. I can set 'raise on any click' - but that is absolutely hopeless when you are trying to copy text from a lower window.

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• MonoDevelop 2.4 released

  Today we are releasing MonoDevelop 2.4, which includes plenty of new features and improvements. The release highlights are: Workbench usability improvements, which include a new Navigate to Symbol dialog, Solution and Class pad zooming, better pad layout, and many other look & feel improvements. Improvements in project management, with support for standalone assembly projects, and external console support for Windows and Mac. Extensive text editor improvements, including in-line search,...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Ubuntu 12.04 LTS Purple Screen Error. FIX

  - by user100918

  When I boot up my Ubuntu, it hangs on the purple screen. All I can do is press Shift on start up and it gives me these 3 options. -Normal Boot -Perform Disk Scan -Restore Factory Settings I can also either press E or C. C for for GRUB command line. E for GNU GRUB and says these things setparams 'Restore Factory Settings' set gfxpayload=text insmod part_msdos insmod ext2 set root='(hd0,nsdos1)' linux /boot/vmlinuz-3.3.8-24-generic root=LABEL=SYSTEM ro acpi_osi_=Linux acpi_backlight=\ vendor quiet aufs=restore initrd /boot/initrd.img=3.3.8-24-aufs What is the problem and how do

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• XCart Skip Checkout Steps

  - by user900553

  I am using xcart. In the checkout process, skip the step that appears after a customer clicks the add to cart button on the product page. It takes them to a page that shows the product and the text Added to your shopping cart. I want to take them directly to the view cart page, right before the checkout page. I also tried: Enable Redirect customer to cart after adding a product option in X-Cart admin back-end -Settings - General settings. Still not working. Anybody have Idea about this?

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• Synchronizing Mysql Table Schema [on hold]

  - by user1122069

  I have some difficulty keeping track of my SQL changes in a text file in SVN. One solution that I am aware of is to put the SQL queries in files (1.sql, 2.sql...) and to manually load each file at the proper time. Besides missing commas, the process is too cumbersome when builds become more frequent. I have actually taken to asking a co-worker to send me his SQL changes on Skype and we just apply the changes immediately on our local, development, and production servers (using three PhpMyAdmin tabs). I have seen several GUI tools mentioned in similar questions on SO, but these are actually more work and less automated than the aforementioned methods. Is there any standardized process by which this is done in an automated way? I can only guess that large companies build their own mechanisms of keeping track of database schema changes (yet I can't find a word about it - maybe they use files?). This question was closed as off-topic on Stack Overflow, so I am re-posting it here.

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• Easy Method to Change Color on UI Elements

  - by A13X

  This isn't a language-specific thing as far as I'm concerned. I was wondering what may be a quick way to change the COLOR of a certain on-screen element such as a button and its associated text. I would assume there is a trick to making a graphics engine so maybe individuals pixels or groups of sprites can have their colors easily shifted. A lot of game interface buttons and such have this so you know when an event like a click has occurred. Any pseudo code would be helpful and I am working in Android (not XML fluff), but again, this probably is not a very specific question, just an inquiry on how to go about this.

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• No video signal after install

  - by tW4r

  Today I tried to install Ubuntu 12.10 to my machine, but all the time I encountered the same problem, I successfully boot from Ubuntu 12.04 DVD, and a purple background comes up with accessibility and keyboard icons at the bottom of the screen, then when you wait a while a monitor text comes up "No signal" (Keep in mind that this signal is only shown when there's cable in the monitor HDMI plug), and nothing happens, a little later disk drive stops flashing meaning that disk finished being read. Even if you reset the computer you still get no signal, you have to turn the power of and on again, and plug HDMI out and put it in again. My info: Graphics card: ATI/AMD Radeon HD 4850 Connection to monitor: HDMI Monitor: Samsung SyncMaster T220HD

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• AJAX spreadsheet editor interfaced to own website

  - by Ole Tange

  My website has records that are tables. I would like for my users to be able to edit these records in an easy way. Currently they download a .csv-file, edit it in their favourite spreadsheet, and upload it again. But this often fails (they upload in wrong format or edit fields that they are not supposed to touch). I would therefore like to present the users with an editor directly on the website. So just like you can have WYSIWYG editors in CMSes for text I would like to have it for spreadsheets. One solution would be to interface my website with GoogleDoc and have the users edit the files using GoogleDoc's spreadsheet, and some how get the sheet back when they are done, but I do not know if this is possible at all.

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• Does having over 80% dynamic and rapidly changing content affect SEO?

  - by webmasters

  I have a website that pulls promotions of products from other website. My index page has a structure similar to this: My Brand - Best Promotions Looking for great deals? Check out our top promotions A menu - listing the promotions categories 20 of the latest promotions (the best ones): I list an image; Promotion description (200 chars); Link to the promotion page. Question: More then 80% of my index page (maybe even 90%) is composed of the 20 promotions I list; these promotions change on a daily bases - which dramatically changes the content of my index page. Does the dynamic changing of the index page affect SEO? Should I try to add more static text where I can? (which won't change) Ty

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• how to easy change some colors with special theme?

  - by eexp

  i use AuroraMint as my themes. but some colors mess up my opera. when i use "gnome-appearance-properties-customize theme-Colors", i only can found input boxes' text color here. but i still want change background colors in email list (opera use GTK theme here). Gui give only 4 group colors here, so poor. GtkColorScheme=fg_color:#cbf6d4d4bf8c,bg_color:#311133332e14,text_color:#8713a9515723,base_color:#444f47474026,selected_fg_color:#f554ffffe666,selected_bg_color:#9797bfbf6060,tooltip_fg_color:#000000000000,tooltip_bg_color:#f5f5f5f5b5b5 i thought maybe some software can use mouse click to found out widgets under mouse point, for i does not know which widget is email list used (if i change gtkrc file).

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• How to Determine VPS Hosting Resources Needs for my upcoming Wordpress blog? How much resources should i purchase? [closed]

  - by Ishwar dixit

  Possible Duplicate: How to find web hosting that meets my requirements? Decided to purchase VPS hosting but Getting confused on amount of Resources i need? Wordpress will be used as platform, The blog i want to setup is assumed to have a traffic between 20k - 25k Visits per day with a rate of 5 pageviews per visit... there is No Download Facility provided...the content of the blog will be Text, Images & videos (will be used rarely)... The main question is? For the above requirement: How much RAM will be enough? How much CPU usage i will need? How much Bandwidth will be enough? How much Disk Space? Any other Requirement? Thanx in Advance..

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• Understanding how to go from a scene to what's actually rendered to screen in OpenGL?

  - by Pris

  I want something that explains step by step how, after setting up a simple scene I can go from that 'world' space, to what's finally rendered on my screen (ie, actually implement something). I need the resource to clearly show how to derive and set up both orthographic and perspective projection matrices... basically I want to thoroughly understand what's going on behind the scenes and not plug in random things without knowing what they do. I've found lots of half explanations, presentation slides, walls of text, etc that aren't really doing much for me. I have a basic understanding of linear algebra/matrix transforms, and a rough idea of what's going on when you go from model space - screen, but not enough to actually implement it in code.

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• How to retrieve certificate from my store personal? [closed]

  - by shariphwar

  I want to use the following code by java program. How to convert the following C# code to java code or how to write just like this code by java programming language? Access certificate by C# X509Store store = null; X509Certificate2Collection _recipients = null; // select the right store //if (lstRecipients.Text=="Personal") store = new X509Store(StoreName.My, StoreLocation.CurrentUser); // else // store = new X509Store(StoreName.AddressBook, StoreLocation.CurrentUser); // open store and show certificate picker store.Open(OpenFlags.ReadOnly); X509Certificate2Collection tempCollection = X509Certificate2UI.SelectFromCollection(store.Certificates, "Crypter", "Select a Certificate for Encryption", X509SelectionFlag.MultiSelection); store.Close();

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• What are the minimum steps that I should follow to ensure that my web site is accessible to the disabled?

  - by Tim Post

  I am trying to follow a very important standard that I must admit I have ignored up until recently. I want to make sure that my pages are accessible to a large portion of people that have disabilities. I focus mainly on tutorials that are text and image intensive, but no video / flash or any kind of animations. What is a checklist that I can follow to ensure that many people with disabilities can have a good experience when using my web site, and what disabilities should I be most conscious of? I know that I can't possibly please everyone. I have gone through the W3C guidelines, however I'm not entirely sure what standards apply to me. I'm not building web applications, I'm building mostly wiki like information exchanges, blogs and the occasional forum.

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• What to use to make voice chat (and some more) on a web?

  - by Tunococ

  I am trying to make available on my website a voice chat for a small group of people that allows some other means to interact such as text messaging, photo sharing, file sharing, simple drawing and silly games. In other words, something similar to older MSN Messenger, but on the web. Any ideas on what to use? To clarify, I am looking for suggestions on languages and libraries to use. I want to be able to fully customize it as much as possible because I might want to add other (somewhat interesting) functions later. Low-level programming is fine if required, but platform dependency isn't that much preferred.

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• Ubuntu 11.10 has some problem with GUI

  - by pkachhia

  Once power on the system, after some time the GUI of all most all window has changed (look at the image). Into thunderbird all text are overlapped and display mashed up. Into Geany color all tabs and code are changed. I need to close those apps and reopen it to view it correctly. I have 1 GB of RAM. I am new to ubuntu. can any body help me what it the problem? and how to solve it? I have read the question Weird Ubuntu 11.10 GUI problem , but it does not solve my problem. Thanks

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• PC does not restart after last kernel update

  - by user180783

  I was using ubuntu 12.04 perfectly im my desktop until last kernel update (3.2.0-51). After the update proccess and reboot the system, the unity inteface didn' t start. The only way to login in the system is by tty. I have tried the last kernel versions available in the computer, but I can't use the graphycal interface. Until the text terminals is impossible to access the unity interface. If I don't encounter a solution I will re-install the whole system. Anybody can help me?

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• Are there any third-party components that replicate OneNote?

  - by TomK

  I have a client that wants me to add a OneNote-like interface to a desktop .NET application I'm creating for him. We cannot be sure all users will have Microsoft's OneNote installed, so I can't use InterOp or the like. So I am looking for a third-party component that provides the same fluid/freeform interface as OneNote, for capturing images, text, lists, etc. Any suggestions? I'm surprised that not only can I find none with Google, I'm not even finding others like me asking the question. I can't be the only person who thinks this is functionality worth including in our programs.

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• My First Windows Phone 7 Application

  tweetmeme_source = 'alpascual';Scott Guthrie started the thread of creating a Windows Phone 7 Twitter application in the Mix, followed by Miguel de Icaza creating an iPhone Twitter Client. So I thought to extend the demo to a full Twitter client that can actually sends Tweets as well in Windows Phone 7. I created the UI for the twitter client to login and the Status Text Box. I also wanted to use the location services, however the emulator does not support location just yet, always returns...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Math behind multivariate testing for website optimization

  - by corkjack

  I am looking for theoretical resources (books, tutorials, etc.) to learn about making sound statistical inferences given (plenty of) multivariate website conversion data. I'm after the math involved, and cannot find any good non-marketing stuff on the web. The sort of questions I want to answer: how much impact does a single variable (e.g. color of text) have? what is the correlation between variables? what type of distribution is used for modelling (Gaussian, Binomial, etc.)? When using statistics to analyze results - what should be considered as a random variable - the web-page element that gets different variations or the binary conversion-or-no-conversion outcome of an impression? There's plenty of information about different website optimization testing methods and their benefits\pitfalls, plenty of information about multivariate statistics in general, do you guys know of resources that discuss statistics in this specific context of website optimization ? Thanks for any info!

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• How can I ensure reasonably spaced out enemies

  - by Samuraisoulification

  I have a simple javascript game and I'm initializing their positions on the y axis using random numbers. How can I ensure that they are reasonably spaced apart? My simple algorithm is: y = (Math.random()*1000%600); However I frequently get enemies almost directly on top of each other. This is a huge problem for the game, since it's a word game and the enemies have text on their center, that if overlapped makes them impossible to kill since you can't see the words. Any advice would be appreciated! I'm pretty new to making games in general so this has all been a learning experience for me!

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• retrieve data based on date range using mysql ,php [on hold]

  - by preethi

  I am working on WPF where I have two datepickers when I try to retrieve the information on date range it displays only one record on all dates(same record displaying multiple times eg : date chosen from 01/10/2013 - 3/10/2013) where I have 3 different records on each day but my output is the first record displayed 3 times with same date and time. function cpWhitelistStats() { $startDate = $_POST['startDate']; $startDateTime = "$startDate 00:00:00"; $endDate = $_POST['endDate']; $endDateTime = "$endDate 23:59:59"; $cpId = $_POST['id']; $cpName = etCommonCpNameById($cpId); print "<h2 style=\"text-align: center;\">Permitted Vehicle Summary</h2>"; print "<h2 style=\"text-align: center;\">for $cpName</h2>"; $tmpDate = explode("/", $startDate); $startYear = $tmpDate[2]; $startMonth= $tmpDate[1]; $startDay = $tmpDate[0]; $tmpDate = explode("/", $endDate); $endYear = $tmpDate[2]; $endMonth= $tmpDate[1]; $endDay = $tmpDate[0]; $startDateTime = "$startYear-$startMonth-$startDay 00:00:00"; $endDateTime = "$endYear-$endMonth-$endDay 23:59:59"; $custId = $_SESSION['customerID']; $realCustomerId = $_SESSION['realCustomerId']; $maxVal = 0; if ($custId != "") { $conn = &newEtConn($custId); // Get the whitelist plates $staticWhitelistArray = etCommonMkWhitelist($conn, $cpId); array_shift($staticWhitelistArray); $startLoopDate = strtotime($startDateTime); $endLoopDate = strtotime($endDateTime); $oneDay = 60 * 60 * 24; // Get the entries $plateList = array_keys($staticWhitelistArray); $plate_lookup = implode('","', $plateList); $sql = "SELECT plate, entry_datetime, exit_datetime FROM stats WHERE plate IN (\"$plate_lookup\") AND entry_datetime > \"$startDateTime\" AND entry_datetime < \"$endDateTime\" AND carpark_id=\"$cpId\" "; $result = $conn->Execute($sql); if (!$result) { print $conn->ErrorMsg(); exit; } $rows = $result->fields; if ($rows != "") { unset($myArray); foreach($result as $values) { $plate = $values['plate']; $new_platelist[] = $plate; $inDateTime = $values['entry_datetime']; $outDateTime = $values['exit_datetime']; $tmp = explode(' ', $inDateTime); $inDate = $tmp[0]; $in_ts = strtotime($inDateTime); $out_ts = strtotime($outDateTime); $duration = $out_ts - $in_ts; $dur_array = intToDateArray($duration); $dur_string = ''; if ($dur_array['days'] > 0) { $dur_string .= $dur_array['days'] . ' days '; } if ($dur_array['hours'] > 0) { $dur_string .= $dur_array['hours'] . ' hours '; } if ($dur_array['mins'] > 0) { $dur_string .= $dur_array['mins'] . ' minutes '; } if ($dur_array['secs'] > 0) { $dur_string .= $dur_array['secs'] . ' secs '; } $myArray[$plate][] = array($inDateTime, $outDateTime, $inDate, $dur_string); } } while ($startLoopDate < $endLoopDate) { $dayString = strftime("%a, %d %B %Y", $startLoopDate); $dayCheck = strftime("%Y-%m-%d", $startLoopDate); print "<h2>$dayString</h2>"; print "<table width=\"100%\">"; print " <tr>"; print " <th>VRM</th>"; print " <th>Permit Group</th>"; print " <th>Entry Time</th>"; print " <th>Exit Time</th>"; print " <th>Duration</th>"; print " </tr>"; foreach($new_platelist as $wlPlate) { if ($myArray[$wlPlate][0][2] == $dayCheck) { print "<tr>"; print "<td>$wlPlate</td>"; if (isset($myArray[$wlPlate])) { print "<td>".$staticWhitelistArray[$wlPlate]['groupname']."</td>"; print "<td>".$myArray[$wlPlate][0][0]."</td>"; print "<td>".$myArray[$wlPlate][0][1]."</td>"; print "<td>".$myArray[$wlPlate][0][3]."</td>"; } else { print "<td>Vehicle Not Seen</td>"; print "<td>Vehicle Not Seen</td>"; print "<td>Vehicle Not Seen</td>"; } print "</tr>"; } } print "</table>"; $startLoopDate = $startLoopDate + $oneDay; } } }

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• input type="email"

  - by Charles

  I have a form where I ask for email addresses. Usually I'd use <input type="email" ...> but I want to allow a user to type foo rather than [email protected] in the (likely) case that they are using an @mycompany.com email address. Is there a way to get around the validation (if format matches this regex, accept; otherwise, validate normally), or should I just use <input type="text" ...> and ignore the semantics and so forth?

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• Implementing unlockable items on Android

  - by coder_For_Life22

  I know this would be a beginners question (some of you might think) but I would like to know different approaches for this. I have a game with lets say 20 unlockable items, at the main menu I have a button where the user can go to an activity and view the unlockable items. So I would like for it to have a "Locked image" and under it a text telling you what the item is and maybe how to unlock it. What is the best way of going about this? And then when the item is unlocked during the game, maybe put a variable in the shared preference and check at the beginning of the activity with the unlockabled items. Let me know what you guys think. Thanks.

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