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• xna download website source code

  - by Emre Canbazoglu

  I have to download the html code of a web site during the game. I am taking the poster url of a movie from the imdb web site by scrapping the html ( also other informations ). I have to do the download process many times during the game for different movies. I can download and scrap the html but downloading the html takes too much time and it causes the game to slow down(freeze while downloading). How can I solve this problem? My one approach is to download and scrap all the information and store them in a database before the game and during the game access this information from the database. I think this will work properly but that is not what I exactly want. It would be better if it is dynamic. I also thought of using multi-threading but I am a bit confused about how to implement threading in xna. I read some articles about it but it is not so clear. I mean when should I start the thread and what about the update function etc. I need your help guys

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• Determine whether a link points to a file on local host or foreign domain [migrated]

  - by user107157

  This has been a burning question for me ever since and I think it's interesting enough to discuss it on the forums. As most will know, in websites we include anchor links, stylesheets, script files (javascript) and images. For anchor links we use the form <a href="..." /> For stylesheets we may use the form <link rel="stylesheet" type="text/css" href="..." /> For javascript we may use <script src="..." /> For images we use <img src="..." /> So, the question is this: How do we know that what is in the link pointer (i.e. replacing the ... in each example) is a local file or a foreign entity? To make it clear, lets say I create a local file named "ashish.com". Now, my purpose is to create a link so that anybody who clicks on it may download it. So, my code would be thus: <a href="ashish.com">Download It</a> But this makes it ambiguous. I could also be referring to a website named "ashish.com" So, how does the computer magically know which one I mean? Or does it even know this? What would happen in such a scenario?

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• SDL & Windows 8 Metro WinRT

  - by Adrian

  I am just beginning to dip my tow into game programming and have been reading up on SDL, SFML, OpenGL, XNA, MonoGame and of course DirectX. (Needless to say there are a lot of choices out there) As much as I like SFMLs syntax I have chosen to read up and start with SDL as it is pretty ubiquitous and available on every platform (Windows, Linux, Mac) and also available on portable devices (Android, iOS) with the current exception of WinPhone 7 After that pre-amble here is my question. I notice that the docs say that for the windows platform the SDL API calls through to DirectX for higher perf. ( http://www.libsdl.org/intro.en/whatplatforms.html ) Microsoft have said that for Metro Game Apps you can only use DirectX (which means no XNA, no OpenGL, no SFML, etc, etc) My question is: If SDL just wraps DirectX calls will I (we) be able to use SDL to bring games to the new Metro WinRT environment and Windows 8 marketplace? This would be great if possible. Additionally as WinPhone 8 is supposedly built on Win8 then this could mean SDL would be available on the win phone in the future too. Thanks for your time in responding to this question and I look forward to hearing your response. EDIT: Based on DeadMG's answer I have installed Visual Studio 11 (beta) in Windows 8 Consumer Preview (CP) and went file-New to check project types. The project types: "Blank Application", "Direct2D Application" and "Direct3D Application" look of interest. I have selected "Direct2D App" but SDL generates its own window when you call: SDL_INIT Is it possible to link/setup the SDL window to point to the Direct2D surface in the this project?

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• Huge google impression drop after cleaning html

  - by olgatorresfoundation

  Good morning, I am the webmaster of a non-profit organization that donates grants to colorectal cancer research projects and funds various colorectal cancer information campaigns. We have three domains: www.fundacioolgatorres dot org (Catalan) www.fundacionolgatorres dot org (Spanish) www.olgatorresfoundation dot org (English) So what happened? I redesigned olgatorresfoundation on the 20th and the fundacionolgatorres on the 30th of May. In both cases, exactly two days later, the number of impressions on both dropped to a halt. Granted, we did not have the traffic of Microsoft, but a 90% decrease a disaster of incredible proportions for us. My only real changes were cleaning up the old ineffective HTML to a cleaner form (mostly moving away from redundant table construction to a table-less view). Here is a before and after snapshot of what the change looks like: Before: http://www.fundacioolgatorres.org/aparell_digestiu/introduccio/ (unchanged page in Catalan) After: http://www.olgatorresfoundation.org/digestive_system/introduction/ (changed page in English) Anybody has a clue to what just happened? Why should a normal, sane html improvement be punished and so dramatically? No URLs have been changed, neither have page names or descriptions. Possible secondary question: If it is so that Google sees it as a major overhaul and decides to drop the pagerank sharply, does it come back to pre-change levels if the content "checks out" or will the page start over from scratch earning those pagerank points (which would mean that we would have to wait 6 months for the pages to recover to the level they had two weeks ago)? (duplicated from productforums.google dot com/forum/#!category-topic/webmasters/crawling-indexing--ranking/YsnyX0JzOpY, hoping to reach a wider audience)

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• First Look - Oracle Data Mining

  - by kimberly.billings

  In his blog, JT on EDM, James Taylor shares his analysis of Oracle Data Mining, including its new GUI and Exadata integration. While Oracle Data Mining has been available for a while, it is now easier to access and try via the Amazon Cloud. Using the Oracle 11gR2 Data Mining Amazon Machine Image (AMI), you can launch an Oracle Data Mining-enabled instance directly through Amazon Web Services (AWS) and connect to it using the Oracle Data Miner graphical user interface. The new Oracle Data Mining GUI, which will be available to beta customers soon, provides more graphics, the ability to define, save and share analytical "work flows" to solve business problems, and provides more automation and simplicity. Taylor comments that, "the UI looks to have a nice look and feel including graphical model development flows, easy access to the data, nice little micro graphs when browsing data records and more." On using Oracle Data Mining with Exadata, Taylor writes, "Oracle says that the use of the ODM routines in the Exadata kernel is faster than running a native ODM model in the database by a factor of 2 and that this increases as more joins are used. This could mean that ODM outperforms even third party in-database analytics." Taylor concludes his blog with a positive overall review, stating that "ODM is a nice product for Oracle database customers and well worth looking into. The new UI will only make it more so." Read the blog. var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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• The lifecycle of "cool"

  - by Dori

  I've been thinking lately about how some programming projects/products become "cool," and in particular, how that trend can later reverse. Here are two examples that might better explain my context: Textmate Whenever someone asks about text editors on OS X, the answer on the SE sites is an automatic "Textmate!" But looked at objectively: Textmate 1.0 shipped October 2004 Textmate 1.5 shipped January 2006 Textmate 2 was announced February 2006 As of September 2010, the currently shipping version is 1.5.9 In all of 2010, there have been a total of three posts on the Textmate blog At what point (if ever) do Textmate fans start thinking about switching to another text editor? When it breaks after some future Apple update? When alpha geeks they respect start recommending something else? Or? jQuery Whenever a JavaScript-related question is asked on the SE sites, the knee-jerk response is "jQuery!" I've seen it happen even when the question itself only required a single line of JavaScript. Or when the question could be better answered by using CSS. Do the answerers understand they're suggesting a blowtorch to light a candle? That they're recommending adding 70K or so of code to do something trivial? Or is it a symptom of "When you have a hammer, everything looks like a nail"—that is, jQuery is all they know how to do, so that's their recommendation? And do they understand that while they may know jQuery well, that doesn't necessarily mean that they know JavaScript? Is there a way to explain that learning JavaScript would make them better jQuery programmers? My bigger-picture questions: Is this niche focus primarily a trait of programmers? How do you get programmers to not immediately jump to recommending their personal favorites? What can motivate programmers to review their initial selection criteria and possibly modify their choice? Your thoughts?

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• Sending Emails via Google SMTP - after some time quit working

  - by Chris

  on a website I use PHPMailer to send automated registration emails, etc and also a newsletter-tool (which loops through the emails and sends them one by one). Also, I configured in Gmail under Settings and confirmed @mydomain addresses, so I can send from @mydomain emails without the gmail address being displayed. Furthermore I authorized the website to send mails with this link: https://accounts.google.com/DisplayUnlockCaptcha Now, after 2 month where everything worked perfectly fine, suddenly users started not to receive emails anymore and most recently emails are not even being sent anymore. Also, I received many error messages like this: Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 5.4.1 [email protected]: Recipient address rejected: Access Denied (state 13). When I check at this link: https://toolbox.googleapps.com/apps/checkmx/ It tells 2 none critical errors: Relayhost configuration detected. There SHOULD be a valid SPF record. So, the questions I would have were: does anybody have any hint why it stopped working, what the error messages mean? what to do to fix it? where do I set a SPF record (Cpanel?)? what is a relayhost and how to fix that? It is about 1000-1400 mails a day (gmail's limit is 2000). Also, what can I do wrong when setting up an SPF record? I've heard there are some testing tools for that. Thank you so much already in advance for your help!

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• Ubuntu 13.10 Installing MariaDB

  - by Ecaz

  I have tried everything to install MariaDB on this clean Ubuntu installation but I keep getting this error, Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: mariadb-server : Depends: mariadb-server-5.5 (= 5.5.33a+maria-1~saucy) but it is not going to be installed E: Unable to correct problems, you have held broken packages. I have followed this guide to try and install it, http://www.unixmen.com/install-lemp-server-nginx-mysql-mariadb-php-ubuntu-13-10-server/ And I have also followed the "official" guide on the MariaDB downloads page for 13.10 https://downloads.mariadb.org/mariadb/repositories/ But nothing seems to be working. Edit 1 I have tried both How do I resolve unmet dependencies? and How to install MariaDB? but it still gives me the error I posted above. It's a fresh Ubuntu install with hardly anything installed. Edit 2 All the check boxes are ticket in Updates. I ran: sudo apt-get update && sudo apt-get -f install mariadb-server-5.5"=5.5.33a+maria-1~saucy" And it gave me this error: The following packages have unmet dependencies: mariadb-server-5.5 : Depends: mariadb-client-5.5 (>= 5.5.33a+maria-1~saucy) but it is not going to be installed Depends: mariadb-server-core-5.5 (>= 5.5.33a+maria-1~saucy) but it is not going to be installed E: Unable to correct problems, you have held broken packages.

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• Get the Windows 8 Charms Bar in Windows 7, Vista, and XP Using a RocketDock Skin

  - by Lori Kaufman

  Have you tried one of the Windows 8 Preview releases and found you like the Charms bar on the Metro Start Screen? If you’re not quite ready to give up Windows 7, there is a way to get the Charms bar from Windows 8. You can easily add the Charms bar to your desktop in Windows 7 using a RocketDock skin. RocketDock is a free, customizable application launcher for Windows. See our article about RocketDock to learn how to add it to your Windows Desktop. You can also use a portable version of RocketDock. To add a “Charms bar” to your Windows 7 desktop, extract the .rar file you downloaded (see the link at the end of this article). RAR files are associated with WinRAR, which is shareware. NOTE: You can use WinRAR free of charge for 40 days but then you have to buy it ($29.00). However, you can also use the free program 7-Zip to extract RAR files. HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux Hack Your Kindle for Easy Font Customization

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• Running CRON job on Ubuntu server for SugarCRM

  - by Logik

  I am pretty inexperienced in Linux, so be descriptive on your answer. My environment: Local Linux server 12.04 hosting Sugar CRM 6.5.2. There is area in sugar CRM called scheduler. I can configured some predefined jobs here. in my case i am trying to run email reminders (ever min/hour/day/month). For this scheduler to be effective, i read some where i need to setup CRON job. So I did some research & finally put following lines in CRONTAB for the root user, as per instructions given in sugarCRM. * * * * * cd /var/www/crm; php -f cron.php > /dev/null 2>&1 Well I am creating contracts in my sugarCRM (AOS module) & I want email reminders to be sent for these contracts to the concern person. Now my sugarCRM email is configured correctly & I can send test emails using it. But the CRON + scheduler not giving any result. I can't receive any emails. Then I tried to read /var/log/syslog & it is showing entry for following line each minute. Oct 27 15:03:01 unicomm CRON[28182]: (root) CMD (cd /var/www/crm; php -f cron.php /dev/null 2&1) I've few questions: what does the CRON job line i've added in crontab mean? cd /var/www/crm; php -f cron.php > /dev/null 2>&1 is not making any sense to me. How am i suppose to get this thing work? I've searched a lot (including SugarCRM forum), but no luck.

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• Google earth will not reinstall

  - by chad

  I was trying to perform the the fix found at this link http://www.omgubuntu.co.uk/2012/01/how-to-make-google-earth-look-native-in-ubuntu It requires you to delete certain files from the /opt/google/earth/free folder and then add some new ones that you download. I deleted the files but the links to download the new ones were unusable. I was using gksudo nautilus so trash was disabled meaning I could not restore the files I had deleted. I the tried to go to the Google Earth website and reinstall it. I downloaded the .deb but when I tried to install it it gav me an error message saying "cannot install ia32-libs" I tried installing this via terminal and it gave me an error message saying chad@chad-Lenovo-G570:~$ sudo apt-get install ia32-libs [sudo] password for chad: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: ia32-libs : Depends: ia32-libs-multiarch E: Unable to correct problems, you have held broken packages. How do I fix this? Now I am stuck without a functioning Google Earth. How can I fix this?

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• Meta tags again. Good or bad to use them as page content?

  - by Guandalino

  From a SEO point of view, is it wise to use exactly the same page title value and keyword/description meta tag values not only as meta information, but also as page content? An example illustrates what I mean. Thanks for any answer, best regards. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>Meta tags again. Good or bad to use them as page content?</title> <meta name="DESCRIPTION" content="Why it is wise to use (or not) page title, meta tags description and keyword values as page content."> <meta name="KEYWORDS" content="seo,meta,tags,cms,content"> </head> <body> <h1>Meta tags again. Good or bad to use them as page content?</h1> <h2>Why it is wise to use (or not) page title, meta tags description and keyword values as page content.</h2> <ul> <li><a href="http://webmasters.stackexchange.com/questions/tagged/seo">seo</a> <li><a href="http://webmasters.stackexchange.com/questions/tagged/meta">meta</a> <li><a href="http://webmasters.stackexchange.com/questions/tagged/tags">tags</a> <li><a href="http://webmasters.stackexchange.com/questions/tagged/cms">cms</a> <li><a href="http://webmasters.stackexchange.com/questions/tagged/content">content</a> </ul> <p>Read the discussion on <a href="#">webmasters.stackexchange.com</a>. </body> </html>

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• Approaches to timed puzzle elements

  - by ndg

  I'm working on a side scrolling game that has a number of timed puzzle elements. As a simple example: I have a number of moving platforms that have been setup to transition in a pattern. Ideally I'd like to ensure that as the player first approaches them, they are in an ideal state -- whereby the player can witness the full transition and more experienced players (i.e: speedrunners) can complete the puzzle immediately without having to wait for the current transition to complete. The issue here, in a nutshell, is that because these platforms begin transitioning at the start of the level, it's impossible to correctly calculate when the player is likely to stumble upon them. I've done a fair bit of Googling but haven't managed to turn up any decent resources with regards to solving a problem like this. The obvious solution is to only begin updating the objects when the player (or more likely: the camera) first encounters them. But this becomes difficult when you consider more complicated situations. It seems like potentially the easiest way of handling this is to have an invisible trigger volume that will tell any puzzle elements located inside of it that the player has 'arrived' upon first colliding with the player. But this would mean I'd have to logically group puzzle elements, which could become fairly messy in a hurry. Take, for instance, a puzzle that appears to the right of the screen. It may take the player a number of seconds to reach it. It would look strange if the elements involved were to remain stationary. But by the time the player arrives, it's likely things will be 'out of sync'. I wanted to post here in the hopes that others know of, or have implemented, a decent solution to this problem?

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• Huge procedurally generated 'wilderness' worlds

  - by The Communist Duck

  Hi. I'm sure you all know of games like Dwarf Fortress - massive, procedural generated wilderness and land. Something like this, taken from this very useful article. However, I was wondering how I could apply this to a much larger scale; the scale of Minecraft comes to mind (isn't that something like 8x the size of the Earth's surface?). Pseudo-infinite, I think the best term would be. The article talks about fractal perlin noise. I am no way an expert on it, but I get the general idea (it's some kind of randomly generated noise which is semi-coherent, so not just random pixel values). I could just define regions X by X in size, add some region loading type stuff, and have one bit of noise generating a region. But this would result in just huge amounts of islands. On the other extreme, I don't think I can really generate a supermassive sheet of perlin noise. And it would just be one big island, I think. I am pretty sure Perlin noise, or some noise, would be the answer in some way. I mean, the map is really nice looking. And you could replace the ascii with tiles, and get something very nice looking. Anyone have any ideas? Thanks. :D -TheCommieDuck

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• Recommended main loop style

  - by Frootmig-H

  I've just begun attempting an FPS with JMonkeyEngine, but I'm currently stuck as to the best way to implement the main loop - especially with regards to non-instantaneous user actions. By that, I mean things like reloading a weapon. The user starts the action, and it continues for a while with an animation and some sound, and when it completes, game state updates. (I should mention that it's not technically a loop, it's an update method, called as often as possible. Is that different? Me no understand terminology). So, far I've considered : Animation driven Player presses reload Start reload animation If user stars another action, abort animation, start new action. When the animation_complete event is received (JMonkeyEngine provides this), update ammo counters. Event driven Player presses reload Start reload animation Queue up a out-of-thread method to be called at time t + (duration of reload animation) If user starts another action, cancel both animation and queued method. When queued method executes, update ammo. This avoids relying on the animation event (JMonkeyEngine has a particular quirk), but brings in the possibility of thread problems. 'Blocking' (not sure of the correct term) Player presses reload Start reloading animation reloading = true reloadedStartTime = now while (reloading && ((now - reloadingStartTime) < reloadingDuration)) { If user starts another action, break and cancel reloading. } Update ammo counters reloading = false My main concern is that actions can interrupt each other. Reloading can be interrupted by firing, or by dropping or changing weapon, crouching can be interrupted by running, etc. What's the recommended way to handle this? What are the advantages and disadvantages of each method? I'm leaning towards event-driven, even though it requires more care; failing that, blocking.

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• Backtick (Grave accent) button sticking

  - by Scott Lemmon

  I have Ubuntu 12.04 running in a Virtual Box virtual machine, on my Windows 7 32bit system. It has been working great, except that the backtick/tilde button sticks(not physically). When I hit the backtick button it keeps repeating until another input button is pressed. So if I press the spacebar while the backtick is repeating, it stops, but if I press the shift while it is repeating, the backtick turns into a tilde, and the tilde keeps repeating until I release the shift key (at which point it's a backtick again and keeps repeating). This sticking behavior only happens with the backtick key, and only in my Ubuntu virtualization, never in windows. I've tried both my laptop's keyboard and an external USB keyboard and the problem happens on both. Both keyboards I've tried are Japanese 106/109 key layout, but I'm using them with a English(US) 101 profile. When I refer to the backtick key above, I mean where it is on the US layout. If I use the Japanese profile, the key in that location (the US backtick location) still sticks, but its no longer mapped as the backtick key. Any thoughts as to what might be causing this and possible solutions? I've searched a lot, but have not found any help so far. Any help is greatly appreciated.

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• Functional Languages that compile to Android's Dalvik VM?

  - by Berin Loritsch

  I have a software problem that fits the functional approach to programming, but the target market will be on the Android OS. I ask because there are functional languages that compile to Java's VM, but Dalvik bytecode != Java bytecode. Alternatively, do you know if the dx utility can intelligently convert the .class files generated from functional languages like Scala? Edit: In order to add a bit more helpfulness to the community, and also to help me choose better, can I refine the question a bit? Have you used any alternate languages with Dalvik? Which ones? What are some "gotchas" (problems) that I might run into? Is performance acceptable? By that, I mean the application still feels responsive to the user. I've never done mobile phone development, but I grew up on constrained devices and I'm under no illusion that there is a cost to using non-standard languages with the platform. I just need to know if the cost is such that I should shoe-horn my approach into default language (i.e. apply functional principles in the OOP language).

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• SD Card Reader not working in Ubuntu 12.04

  - by tripkane

  I have a read many other posts on this issue and believe that Ubuntu 12.04 is not even recognizing my SD Card Reader as just that: Computer Model: Metabox (Australian builder of Clevo laptops) / Clevo P150EM OS: Ubuntu 12.04 (64 Bit) CPU: Intel(R) Core(TM) i7-3720QM CPU @ 2.60GHz HD: 120GB Intel 550/520MB/s SSD According to the people who built my computer, the specs of the SD Card reader in my comp are as follows: Manufacture: Realtek Semiconduct Corp. Location: PCI bus 3 Hardware ID: PCI\Ven_10EC&DEV_5289&SUBSYS_51051558 Physical device object name: \Device\NTPNP_PCI0015 Here are the relevant outputs of the following commands run from the terminal: sudo lshw *-generic UNCLAIMED description: Unassigned class product: Realtek Semiconductor Co., Ltd. vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 version: 01 width: 32 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list configuration: latency=0 resources: memory:f6a00000-f6a0ffff sudo lspci -v -nn 03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device [10ec:5289] (rev 01) Subsystem: CLEVO/KAPOK Computer Device [1558:5105] Flags: bus master, fast devsel, latency 0, IRQ 4 Memory at f6a00000 (32-bit, non-prefetchable) [size=64K] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+ Capabilities: [70] Express Endpoint, MSI 00 Capabilities: [b0] MSI-X: Enable- Count=1 Masked- Capabilities: [d0] Vital Product Data Capabilities: [100] Advanced Error Reporting Capabilities: [140] Virtual Channel Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00 Does the unassigned details of these outputs mean that Ubunutu desn't know that the SD Card Reader is one and what do with it? and if so how should I go about fixing it?? Cheers ;)

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• Who would be the most efficacious Patron Saint of Programmers? [closed]

  - by Peter Turner

  The purpose of this question is to find someone out there to intercede for us and help our coding (not to magically align the bytes), to inspire our daily grind of software development by their lives of heroic virtue, to unite us under a common patron and to keep us on the straight and narrow path (i.e. don't be evil). In days of yore, the professional guilds had a patron saint. Regardless of whether we have a higher tendency to be atheists or not, who would you choose as the patron saint of programmers and what would be your criteria? Some people have chosen St. Isidore of Seville, but he's more like the patron saint of Wikipedia. If you're not Catholic please don't hesitate to nominate someone, just say what your criteria is. At the very least they should be dead and have lived a life of heroic virtue - or have died trying. It's a very pragmatic and noble custom which I heartily encourage. But if you find the practice off-putting, please don't be offended. I only mean to ask this question to other like minded programmers, which I have reason to believe exist. If you add a picture and a maybe make up a prayer that'd be excellent. It doesn't have to be gilded, illuminated and rhyme, although that would be sweet.

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• Adding a forum to an existing site

  - by Andrew Heath

  I've got a site with ~500 registered members, 300 of which are what you'd call "active". Site data is kept in a MySQL dbase. I'd like to add a myBB forum to the site, but this question applies to any forum really. What I very much want to avoid is requiring my users to register both on the site and on the forum because my userbase is not technically literate and this would confuse a lot of them. However the forum software has its own registration, login, cookie, and password management system which naturally are different from the site's mechanics. I envision the following possibilities: install myBB into the existing database and customize the login code to unify the two systems. This would probably mean changing the site's code to use the myBB system as that would likely be less painful to refactor and wouldn't hurt future myBB upgrade ability. install myBB into separate database and write a bridging script of some sort that auto-registers existing site users with the forum if they elect to participate. Also check new forum registrations against the site's username list to prevent newcomers from taking existing names. run them fully separate and force users to re-register (easiest for ME, but least desirable for them) I would like a suggested course of action from those who have trod this path before... Thank you.

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• NCurses, scrolling of multiline items, "current item" pointer and "selected items"

  - by mjf

  I am looking for hints/ideas for the best (most effective) way on how to scroll multi-line items as well as emphasizing of the "current item" and "selected items" such as: 1 FOO ITEM 1 Foo sub-item 2 Foo sub-item 3 Foo sub-item 2 BAR ITEM 1 Bar sub-item 3 BAZ ITEM 1 Baz sub-item 2 Baz sub-item 4 RAB ITEM 5 ZZZ ITEM 1 Zzz sub-item 2 Zzz sub-item 3 Zzz sub-item 4 Zzz sub-item using NCurses (some combination of windows, sub-windows, pads, copywin? Uff! In fact, the lines could exceed the stdscr's width so that possibility to scroll left/right would be also nice - pads?)... The whole items (including the sub-items) are supposed to be emphasized as full-width window/pad areas. The "current item" (including it's set of lines) should be emphasized (i.e. using A_BOLD), selected set of items of choice (including the set of lines for each the selected item) should be emphasized in another way (i.e. using A_REVERSE). What would you choose to cope with it the most effective NCurses way? (The less redrawals/refreshes the better and terminal is supposed to have the ability to change it's size - such as XTerm running under "floating window" management.) Thank you for your ideas (or perhaps some piece of code where something similar is already solved - I was not able to find anything helpful on the Internet. I mean I am not going to copy/paste foreign code but programming NCurses properly is still somehow difficult to me). P.S.: Would you suggest to "smooth-scroll" +1/-1 screen line or rather "jump-scroll" +lines/-lines of the items? (I personally prefer the latter one.) Sincerely, -- mjf

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• How to find location of installed library

  - by Raven

  Background: I'm trying to build my program but first I need to set up libraries in netbeans. My project is using GLU and therefore I installed libglu-dev. I didn't note location where the libraries were located and now I can't find them.. I've switched to Linux just a few days ago and so far I'm very content with it, however I couldn't google this one out and becoming frustrated.. Is there way to find out where files of package were installed without running installation again? I mean if I got library xxx and installed it some time ago, is there somecommand xxx that will print this info? I've already tried locate, find and whereis commands but either I'm missing something or I just can't do it correctly.. for libglu, locate returns: /usr/share/bug/libglu1-mesa /usr/share/bug/libglu1-mesa/control /usr/share/bug/libglu1-mesa/script /usr/share/doc/libglu1-mesa /usr/share/doc/libglu1-mesa/changelog.Debian.gz /usr/share/doc/libglu1-mesa/copyright /usr/share/lintian/overrides/libglu1-mesa /var/lib/dpkg/info/libglu1-mesa:i386.list /var/lib/dpkg/info/libglu1-mesa:i386.md5sums /var/lib/dpkg/info/libglu1-mesa:i386.postinst /var/lib/dpkg/info/libglu1-mesa:i386.postrm /var/lib/dpkg/info/libglu1-mesa:i386.shlibs Other two commands fail to find anything. Now locate did it's job but I'm sure none of those paths is where the library actually resides (at least everything I was linking so far was in /usr/lib or usr/local/lib). The libglu was introduced just as example, I'm looking for general solution for this problem.

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• Can't install Apache 2.2.22 on Ubuntu 13.10

  - by B18C1

  My work environment requires Apache 2.2.22 instead of the latest version of 2.4. My machine is currently running Ubuntu 13.10. When I use Synaptic or apt-get it will not allow me to choose an older version of Apache than 2.4. So my question is, how can I force an install of Apache 2.2.22 on Ubuntu 13.10 using Synaptic or apt-get. When I do try to specify the version I get the following: sudo apt-get install apache2=2.2.22-1ubuntu1 [sudo] password for b18c1: Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: apache2 : Depends: apache2-mpm-worker (= 2.2.22-1ubuntu1) but it is not going to installed or apache2-mpm-prefork (= 2.2.22-1ubuntu1) but it is not going to be installed or apache2-mpm-event (= 2.2.22-1ubuntu1) but it is not going to be installed or apache2-mpm-itk (= 2.2.22-1ubuntu1) but it is not going to be installed Depends: apache2.2-common (= 2.2.22-1ubuntu1) but it is not going to be installed E: Unable to correct problems, you have held broken packages.

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• How best to handle ID3D11InputLayout in rendering code?

  - by JohnB

  I'm looking for an elegant way to handle input layouts in my directx11 code. The problem I have that I have an Effect class and a Element class. The effect class encapsulates shaders and similar settings, and the Element class contains something that can be drawn (3d model, lanscape etc) My drawing code sets the device shaders etc using the effect specified and then calls the draw function of the Element to draw the actual geometry contained in it. The problem is this - I need to create an D3D11InputLayout somewhere. This really belongs in the Element class as it's no business of the rest of the system how that element chooses to represent it's vertex layout. But in order to create the object the API requires the vertex shader bytecode for the vertex shader that will be used to draw the object. In directx9 it was easy, there was no dependency so my element could contain it's own input layout structures and set them without the effect being involved. But the Element shouldn't really have to know anything about the effect that it's being drawn with, that's just render settings, and the Element is there to provide geometry. So I don't really know where to store and how to select the InputLayout for each draw call. I mean, I've made something work but it seems very ugly. This makes me thing I've either missed something obvious, or else my design of having all the render settings in an Effect, the Geometry in an Element, and a 3rd party that draws it all is just flawed. Just wondering how anyone else handles their input layouts in directx11 in a elegant way?

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• 5 Ways Microsoft Can Improve the Windows 8 Start Screen

  - by Matt Klein

  After having used Windows 8 over the past few months, we’ve found a few ways Microsoft could immediately improve the Start Screen to make it less disorienting and more usable, not only for tablets but desktops and laptops as well. It’s safe to say that the one thing Windows 8 doesn’t lack is criticism. Since the Consumer Preview debuted in February, it has proven to be one of the most polarizing Windows releases ever. But regardless of whether you love or hate it, Windows 8 is where Microsoft’s venerable operating system is headed. Portable computing is here to stay and if the company is to survive, let alone remain relevant, it has to change, adapt, embrace, and extend. Perhaps the single most universally controversial change to Windows is Microsoft’s decision to remove the Start button (or orb, if you’ve moved beyond XP) and with it, what we know to be the Start Menu. In their place we now have a Start hot corner (a workable alternative) and the newly redesigned Metro Start Screen. The Start Screen is, if nothing else, different. Beyond a doubt, there has not been such a radical redesign of Windows’ Start functionality since it went to a two-column design with a nested “All Programs” menu in Windows XP. The Start Screen can be a little jarring because it requires users to not only relearn what they’ve known for nearly two decades but to also rethink the way they interact with Windows. However, the Start Screen maintains its core elements: a Start “menu”, a place for all installed programs (All apps), and a search pane. The Start Screen is attractive, clean, bold, and very imperfect. Here are five changes we’d like to see in the Start Screen before Windows 8 goes gold … How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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