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• Why does HDTune report better performing drives 2 months after installing them?

  - by Rolnik

  OK, so this is really weird. I ran HDTune on a newly set-up home-built computer and got the following readings from my drives in mid-November. SSD 154 MB/s RAID1 87 RAID0 198 (software installs) RAID0 98 Swap drive Today, in January, I run HDTune (same version) and get these results, in MB/s: SSD 186 RAID1 98 RAID0 241 RAID0 98 (Swap drive) Here are more details that HDTune reports on the SSD drive: HD Tune: OCZ-VERTEX Benchmark Blockquote Transfer Rate Minimum : 135.4 MB/sec Transfer Rate Maximum : 219.4 MB/sec Transfer Rate Average : 185.7 MB/sec Access Time : 0.1 ms Burst Rate : 187.3 MB/sec CPU Usage : -1.0% To get to my question: Why are my hard drives improving in performance? Most of my logical drives are in some form of RAID, except for the SSD. Will this performance ever deteriorate? Note, none of my drives are a hybrid drive that uses some form of SSD to enhance the write/reads on actual platters.

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• How to avoid being an API programmer only?

  - by anything

  I have almost six years of experience in java. I have developed many projects which used frameworks like Struts, Spring, Hibernate, JQuery , DWR, Ajax etc. I have used these technologies in almost all the projects I have worked on. Projects were very simple mostly with crud based apps. My everyday tasks involves creating few screens, writing queries, testing etc. After all these years I feel like I have turned into an API programmer who just uses these above mentioned frameworks which is not giving me any satisfaction of being a programmer. Is this normal or is it just me who is feeling like this?

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• Recommended formats to store bitmaps in memory?

  - by Geotarget

  I'm working with general purpose image rendering, and high-performance image processing, and so I need to know how to store bitmaps in-memory. (24bpp/32bpp, compressed/raw, etc) I'm not working with 3D graphics or DirectX / OpenGL rendering and so I don't need to use graphics card compatible bitmap formats. My questions: What is the "usual" or "normal" way to store bitmaps in memory? (in C++ engines/projects?) How to store bitmaps for high-performance algorithms, such that read/write times are the fastest? (fixed array? with/without padding? 24-bpp or 32-bpp?) How to store bitmaps for applications handling a lot of bitmap data, to minimize memory usage? (JPEG? or a faster [de]compression algorithm?) Some possible methods: Use a fixed packed 24-bpp or 32-bpp int[] array and simply access pixels using pointer access, all pixels are allocated in one continuous memory chunk (could be 1-10 MB) Use a form of "sparse" data storage so each line of the bitmap is allocated separately, reusing more memory and requiring smaller contiguous memory segments Store bitmaps in its compressed form (PNG, JPG, GIF, etc) and unpack only when its needed, reducing the amount of memory used. Delete the unpacked data if its not used for 10 secs.

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• Why do almost all Java jobs (postings and from recruiters) say J2EE rather than the newer JEE versions?

  - by Rick

  I'm still fairly new to Java but have definite comfort now working within the framework I am used to which would mainly be focused on Spring, Hibernate and JEE 6. It seems like every time I talk to a recruiter all they do is throw around the keyword "J2EE", they need someone with J2EE experience, etc. I am aware that legacy systems would still be using J2EE but it seems like at least some jobs would be advertising JEE now. Just curious if they are just stuck with some keyword that they can't seem to wrap their heads around it having a newer version or what. Having not done Java all that long, I haven't used J2EE specifically but wouldn't it be fairly easy to adapt having used the newer enterprise edition? Just curious to hear anything about this from someone with more experience.

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• java developer who wants to raise skill level for better career growth [closed]

  - by Rahul Shivsharan

  I have an experience in Java language and in JEE related Framework for about 5 years. In these 5 years i have worked on Core java, Spring, Hibernate, JPA, Struts 1. Now just to be prepared for the near future, i am thinking to learn some new programming language or some new technology, this will help me out to be a more elligible employee. So my question to you is, which new technology or language should i learn, my target is for next 3 years. So just in case if Java fades out (thought it won't) than i can jump on to this newly learned stuff. Where should i start from ? Should i learn some other language in JVM like Scala, Clojure, Groovy, JRuby ? Or should i learn some altogether different language like Python or Erlang, Perl ? Or new technology which is related to NoSQL, like MongoDB, Hadoop, CouchDB. Or learn few current happening things in market like RoR, Node.js, LessCss or Sass, Coffee Script ? Can anybody give me some hint,

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• java or .net or xml, SOAP need carrer guidance

  - by s.nigam

  0 down vote favorite Share on Facebook Share on Twitter First of all let me thank you all for reading & devoting time for my question. I am developer with around 3.7 years of experience in .net. I recently discussed & visited some of the websites which states that java is better then .net, a I also discussed with some of the experience persons all suggested me to switch to java of course spring, struts etc. As Java developer is being paid high then .net one. I personally think I should go for web services SOAP, XML etc. thanks to all for response I also want to know if I can only move to webservices ex. WCF, SOAP, XML, XSLT etc. Kindly help me I am bit confused. Thanks

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• Clustering Strings on the basis of Common Substrings

  - by pk188

  I have around 10000+ strings and have to identify and group all the strings which looks similar(I base the similarity on the number of common words between any two give strings). The more number of common words, more similar the strings would be. For instance: How to make another layer from an existing layer Unable to edit data on the network drive Existing layers in the desktop Assistance with network drive In this case, the strings 1 and 3 are similar with common words Existing, Layer and 2 and 4 are similar with common words Network Drive(eliminating stop word) The steps I'm following are: Iterate through the data set Do a row by row comparison Find the common words between the strings Form a cluster where number of common words is greater than or equal to 2(eliminating stop words) If number of common words<2, put the string in a new cluster. Assign the rows either to the existing clusters or form a new one depending upon the common words Continue until all the strings are processed I am implementing the project in C#, and have got till step 3. However, I'm not sure how to proceed with the clustering. I have researched a lot about string clustering but could not find any solution that fits my problem. Your inputs would be highly appreciated.

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• I need help with a timer for a text based game, i need to include a mysql query to it, but not sure how.

  - by Hijumper

  i would like to add a mysql query somewhere in my timer code so that everytime it restarts then 1 item would be added to the database, i can get it to show how many items you have gotten since the timer has been running, but im not quite sure how to add it into a mysql database, any help would be appreciated :D heres my timer code thus far: <head> <script type="text/javascript"> var c=10; var mineCount = 0; var t; var timer_is_on=0; function timedCount() { document.getElementById('txt').value = c; c = c - 1; if (c <= -1) { mineCount++; var _message = "You have mined " + mineCount + " iron ore" + (((mineCount > 1) ? "s" : "") + "!"); document.getElementById('message').innerHTML = _message; startover(); } } function startover() { c = 10; clearTimeout(t); timer_is_on=0; doMining(); } function doMining() { if (!timer_is_on) { timer_is_on = true; t = setInterval(function () { timedCount(); }, 1000); } } </script> <SPAN STYLE="float:left"> <form> <input type="button" value="Mining" onClick="doMining()"> <input type="text" id="txt"> </form> </SPAN> <html> <center> <div id='message'></div>

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• will a virtual box file on windows work on a mac?

  - by sososo

  if I move a vm form a windows machine to a mac machine, will it work?

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• Is it OK to live without knowing how the program you created works?

  - by Kabumbus

  I mean, there are really useful libs that can solve problems when you are stuck and do not know how to solve this or that with your knowledge of programing language you use... For example, Boost for C++ or JQuery for JavaScript or Spring for Java... They solve problems in seconds and you do not really care how they did it (despite that they are written in the very same language you are programming in)... So I wonder am I alone use libs not being capable to write solutions for my problems from scratch or its standard practice?

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• How to start working as a programmer - what do I need?

  - by giorgo

  Hi i am learning java and php i have some projects from uni.(Gui,s in java with mysql and a web application in php with mysql ++ more things like this.) i have started learning mvc struts spring and i also lerning php +zend +++++ more stuff etc....you can't learn everything!!!!!!!!!!!!!!!!!!!!!!! I would like to ask how can i find a job as a programmer-software eng because i have send my cv in many companys but all of them said me that i need work expirience. How All of you started your programming expirience. Did you make some projects and send them did you you have somebody that help you ...??? i am totaly alone i do everything by my self. can anyone answer this?everybody starts from somewhere but what if this somewhere don't come?what to do ?? how to start !!!!!!! Thanks

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• Is there a tool akin to 'who' or 'w' via the command-line on Windows?

  - by warren

  Without using something like cygwin, is there a way to find out everyone who is logged-into a Windows server form the command-line?

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• Question about whether I should pursue minors or work towards a masters [closed]

  - by user75493

  I'm a sophomore about to go into my Spring semester in a few weeks and I am trying to decide some major things that will affect the next few years of my life and was looking for some guidance/advice. I'm currently working towards a Bachelors in Computer Science and my question was whether I should minor in Corporate Strategy and Math or just work towards a Masters in Computer Science? I was wondering if employers are more looking for Masters degrees in Computer Science or if those minors could be beneficial to me. Some things that may affect responses: I already have all my other requirements filled for graduating except my Computer Science classes, I've already had an internship this past summer and am already hearing back from several companies about internships for this upcoming summer. Thanks in advance! - Alex

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• Pressing 'Enter' doesn't really work in Firefox

  - by inkedmn

  When I'm typing just about anywhere in Firefox on OSX and press enter, it simply doesn't do anything. This includes typing in a textarea element (which should take the cursor to the next line), in a search form (which should submit the form). I'm typing this very question in Firefox right now and I'm unable to advance the cursor to the beginning of the next line. I have no clue what I did to make this happen, but it's kinda driving me insane. This is Firefox 3.6.3 under Mac OS X 10.6. Thanks!

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• ASP Fails with 500 Error

  - by VinceM

  We have a server setup as an IIS box and have some static pages with a few asp pages that handle the form submissions. The asp is really vbscript that sends a CDO message. When moving these pages to the new server the form will not submit, it gives a 500 error and the following shows in Event Viewer: Error: The Template Persistent Cache initialization failed for Application Pool 'DefaultAppPool' because of the following error: Could not create a Disk Cache Sub-directory for the Application Pool. The data may have additional error codes.. I can't seem to find any info on this anywhere... I was thinking it may have something to do with the fact that we created this server from an image of another server. Thanks for your help in advance... Vince

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• Confused about my future. Doubt about .Net or Java way.

  - by dotNET

  I'm very confused about choosing the programming langage to follow in the next step of my life. I'm right now so familiar with C++, VB.NET and PHP, but to jump to a higher level I must choose between JEE(JSP, Servlets, JSF, Spring, EJB, Struts, Hibernate,...) and .NET(ASP.NET, C#). Because I cant learn them at the same time. And you realize that, when I mentioned JEE a lot of things comes to the head. In my personnal experience I prefere the .NET, but Java seems to be a better choice. believe me, i'm not writing a subjective topic. I just want to know what must I follow to get succes in my life. The question here is : Is there any things that can be done with Java, and cannot be done with .NET. Is there any chances that I can follow the uncounted number of frameworks that are always in developpement. ... (also something not said) ?

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• What parts of Java I should know by now?

  - by WinstonChurchill

  I have been working in the enterprise Java field, mostly for financial institutions, for about seven years. Beyond core Java, what are "parts" of Java I should know by now? Should as in it will be useful either to nail the interview, or in an actual job. For example, I have never used JSP beyond "hello, world", but I don't suppose that it's something I need to go learn. But I have got core Spring pretty well done. I've read up on GC but that was a while back and need to re-visit it. I'm looking for one suggestion per post please.

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• Facebook contest policy no-no?

  - by Fred

  I would like to post a link on a Facebook page where it will exit Facebook entirely and go to a client's website, where people will be on a page (client's) where they can enter their e-mail address to be entered in a temporary database file with rules and disclosures etc., for a draw once the number of entries reaches 100 for instance. Once the number of entries reaches 100, a random winner is picked and notified via E-mail. The functionality is as follows: A link is place on a Facebook page leading to an external page The page is a form to merely enter their email address for a contest The email is placed in a temporary file An automatic E-mail is sent to the address used for confirmation using SHAH-256 hash The person receives the Email saying something to the affect "Please confirm your Email address etc. - If you did not authorize this, simply ignore this message and no further action will be taken". If the person clicks on the confirmation link, the Email is then stored in the database and the person is again notified saying "Thank you for signing up etc." Once others do the same process and the database reaches a certain number, the form is no longer accessible and automatically picks a random Email. Once picked, an Email is automatically sent to the winner stating the instructions, and notifying me also. Once that person clicks yet another confirmation link, the database is then automatically deleted. I have built this myself and have no intentions of breaking any rules, nor jeopardize the work/time/energy I have put into this project. Is this allowed?

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• How to set up Apache 2 to serve only subdirectories

  - by Lynden Shields

  I have 3 sites which need to be hosted on a web server (apache2 from repo running on Ubuntu 12.04). They are each in their own subdirectory within /var/www/ I would like apache to serve files from the relevant directories only if the directory name is given in the URL, but not serve the /var/www/ directory itself. E.g: http://1.2.3.4/site1/ should work and serve the index from /var/www/site1/index.html, but http://1.2.3.4/ should not serve anything. Currently, I can't get the url to point to the directory. Either I can get http://1.2.3.4/ to serve everything within /var/www/ (including /var/www/site2/secretstuff/), or I can get the root http://1.2.3.4/ to serve one of the subdirectories (/var/www/site1/). This is unacceptable site 1 needs Indexes enabled but the others must not. I just want to make site1's config only respond to requests of the form http://1.2.3.4/site1/* and not handle requests of the form http://1.2.3.4/ I do not have a domain name set up so I can't use subdomains.

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• Mandriva Linux 2010.2 est disponible, et apporte de nombreux correctifs et améliorations autour du noyau Linux 2.6.33.7

  Mandriva Linux 2010.2 est disponible, elle apporte de nombreux correctifs et améliorations autour du noyau Linux 2.6.33.7 Mise à jour du 24.12.2010 par Katleen La distribution Linux Mandriva est désormais disponible dans une nouvelle version, la 2010.2. Il s'agit d'une mise à jour majeure et incrémentielle de Mandriva Linux 2010 Spring. Elle apporte plusieurs amélioration de sécurité ainsi que des correctifs de bogues. Cette version est la seconde dite "d'entretien". Elle est construite autour du noyau Linux 2.6.33.7 et intègre de nombreux environnements et outils : - GNOME 2.30.0 - KDE 4.4.3 - XFCE 4.6.1 - OpenOffice 3.2 - Thunderbird 3.0 -...

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• What advantages are conferred by using server-side page rendering?

  - by user1303881

  I am developing a web app and I have currently written the entire website in html/js/css and on the backend I have servlets that host some RESTFUL services. All the presentation logic is done through getting json objects and modifying the view through javascript. The application is essentially a search engine, but it will have user accounts with different roles. I've been researching some frameworks such as Play and Spring. I'm fairly new to web development, so I was wondering what advantages using server side page rendering would provide? Is it: Speed? Easier development and workflow? Access to existing libraries? More? All of the above?

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• How do you learn to effectively use more than one framework

  - by LongTTH

  Someday, my leader told me that don't reinvent the wheels, use framework built-in classes. (with a serious mood) when I implement some algorithm has been supported by .NET fx. And seriously, I didn't know about these support before, cause this is the first time I work with .NET). So I have this questions. For example, for building an Web-App we have some ways: C# with ASP.NET framework Java with JavaEE (and friends like Struts, Spring v.v.) framework. PHP with Zend framework. ... It just takes about 1 months to learn language (C#, Java, PHP...), BUT learning to use a framework effectively takes you at least SOME YEARS working (to know every bit of code has been built-in). So, how do you learn to use effectively 2 (or more) frameworks? Any ideas are welcome!

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• Word 2007 cell formatting

  - by Michelle Grant

  I have created a form template in Word 2007 which include various fields. Some of the fields are to show time (i.e. 15:47:32). I've set the text field properties as "Date" HH:mm:ss. The trouble arises when the form is them completed. If I input 15.47.32 it correctly reverts to 15:47:32 but if I input 12.12.31 it reverts to 00:00:00. This also happens if I input 12:12:32. Please help as I've looked at this all afternoon now and it's driving me insane

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• Need help for array when no checkbox is selected [closed]

  - by darlene

  Hi guys I have created a form that has checkboxes, the code works great when a checkbox is selcted however when no checkboxes are selected I get errors such as "Undefined index: onemon in and Warning: Invalid argument supplied for foreach()" Please help:) FORM 1. Had a cold, fever or headache? input type="checkbox" name="onemon[]" value="q1" if(isset($_GET['onemon']) && $_GET['onemon']= "q1") 2. Had dental extractions or teeth cleaning? input type="checkbox" name="onemon[]" value="q2" if(isset($_GET['onemon']) && $_GET['onemon']= "q2") 3. Had minor outpatient sugery? input type="checkbox" name="onemon[]" value="q3" if(isset($_GET['onemon']) && $_GET['onemon']= "q3") 4. Had any vaccines? input type="checkbox" name="onemon[]" value="q4" if(isset($_GET['onemon']) && $_GET['onemon']= "q4") PHP $date = date('Y-m-d'); $onemon = $_POST ['onemon']; { $con = mysql_connect("localhost","root","") or die ("Could not connect to DB Server"); $db_selected = mysql_select_db("nbtsdb", $con) or die("Could not locate the DB"); // You have to loop through the array of checked box values ... $ques=""; foreach($onemon as $entry){ $ques .= $entry.","; } //$addPersonalSql holds the insert SQL query string $query = "INSERT INTO defferal(defid, intdate, onemonth) VALUES('','$date','$ques')"; $addMemberSql = $query or die ("Unable to Insert Data into defferal Table"); mysql_query($addMemberSql); }

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• Which one is better to get started? [closed]

  - by vanangamudi

  Which one of the open-source game engine is better to get started? I read several threads over several forums and found that it is better to write own game engine specific to application. But I need to know the requirements of a game engine, other than Graphics, Physics and AI... Many people suggested Unity, But I need open-source version so that I can have a look at implementation... so I google rigorously and found some unknown game engines(at least to me) Unvanquished Cube Spring Pyrogenesis Torque3D CrystalSpace Panda3D Delta3D Irrichlt OpenArena AlienArena (please list others if I missed anything....) FYI: my present focus is on FPS/TPS. Can you tell me which one is better at performance if possible? Torque3D claims to be the best opensource engine - is that true, and if so to what extent?

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