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  • What is the impact of a CMS on page load time versus a static site?

    - by PleaseStand
    I am creating a 20-page site that will go on shared hosting. Each page will be about 20 KB (including HTML, CSS, and images common to all pages). To avoid manually adding navigation elements to each page, I am considering using a CMS. However, I am concerned that on a busy server, using a CMS would make the site load more slowly. In a shared hosting environment where PHP is run as a CGI binary, how much does a CMS (WordPress, Drupal, etc.) generally affect page load time, compared to both "plain HTML" static sites and those using PHP as merely a templating language?

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  • Is deserializing complex objects instead of creating them a good idea, in test setup?

    - by Chris Bye
    I'm writing tests for a component that takes very complex objects as input. These tests are mixes of tests against already existing components, and test-first tests for new features. Instead of re-creating my input objects (this would be a large chunk of code) or reading one from our data store, I had the thought to serialize a live instance of one of these objects, and just deserialize it into test setup. I can't decide if this is a reasonable idea that will save effort in long run, or whether it's the worst idea that I've ever had, causing those that will maintain this code will hunt me down as soon as they read it. Is deserialization of inputs a valid means of test setup in some cases? To give a sense of scale of what I'm dealing with, the size of serialization output for one of these input objects is 93KB. Obtained by, in C#: new BinaryFormatter().Serialize((Stream)fileStream, myObject);

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  • Google ouvre son outil de visualisation des données statistiques au public : premier pas vers un BI en mode Cloud ?

    Google ouvre son outil de visualisation des données statistiques au public Premier pas vers un BI en mode Cloud ? Google vient de mettre à la disposition de tous son outil d'analyse derrière sa solution « Public Data Explorer ». Pour mémoire Google Public Data Explorer est un service en ligne lancé en mars 2010 par Google Labs. Il permet de visualiser des données statistiques mondiales, sous différentes représentations graphique. On y retrouve par exemple des données de la banque mondiale ou encore celle d'Eurostat. Le nouveau format de données Google Dataset Publishing Language (DSPL) basé sur le format XML, développé par Google Labs et utilisé par Public Data Explorer, fo...

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  • What are the differences between programming languages? [closed]

    - by Omega
    Once upon a time, I heard from someone the only difference between programming languages is the syntax I wanted to deny it - to say that there are other fundamental aspects that truly set a language apart from others than just syntax. But I couldn't... So, can you? Whenever I search Google for something like "differences between programming languages", the results tend to be debates between two specific languages (I'd like something more general) - however, some of the aspects that people seemed to debate the most were: Object-Oriented Method/Operator overloading (I actually see this rather related to syntax) Garbage-Collection (While it seems like a good difference, for some reason it doesn't seem that "fundamental") What important aspects other than syntax can you think of?

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  • Trying to learn ASP.net

    - by sipl
    Hi There, I have a background in computers and had done programming some seven years ago. Switched to becoming a technical writer (oops!). And now think I should jump ship again, back to being a programmer. Of course the natural course of action where I can spend say two whole years learning to code, might not be available any more. I am keen on ASP.net as its the language that most products at my company are written in. I am sure this has been asked before, but here I go... where do I begin? Would really appreciate some practical advise. Thanks, SA

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  • Do I have to learn html and javascript to create web applications?

    - by vainolo
    I am an experienced Java programmer, and I want to create a complex web application requiring dynamic pages, drawings, etc (take SO as an example). Do I have to learn javascript/html in order to create such an application? It is not that I don't want to learn another language (I've done this before), but technology on the javascript environment seems to change so fast that when you finish learning one framework it is already obsolete. I have checked a number of java framework for web development (spring, play), but not deeply. So can these frameworks (or other possible java frameworks that I'm not aware of) be used without learning html/javascript? I also have some python experience. So if I can do the app in python it is also an option.

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  • Handle all authentication logic in database or code?

    - by Snuffleupagus
    We're starting a new(ish) project at work that has been handed off to me. A lot of the database sided stuff has been fleshed out, including some stored procedures. One of the stored procedures, for example, handles creation of a new user. All of the data is validated in the stored procedure (for example, password must be at least 8 characters long, must contain numbers, etc) and other things, such as hashing the password, is done in the database as well. Is it normal/right for everything to be handled in the stored procedure instead of the application itself? It's nice that any application can use the stored procedure and have the same validation, but the application should have a standard framework/API function that solves the same problem. I also feel like it takes away the data from the application and is going to be harder to maintain/add new features to.

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  • How to access shared folders in Ubuntu VM(Oracle Virtualbox) and link them to the home folder(Answered)

    - by Njihia
    I have configured a shared folder between the Windows host and Ubuntu guest. The folder mounts at start up but its empty(It also has a padlock sign.). I have to run the command below to access its content(the padlock sign disappears). sudo mount.vboxsf media ~/media How can i configure it to be run automatically at start up. I've tried adding to the start up programs but nothing happens. Am new to Linux so try to put your answer in a layman's language. Thanks.

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  • Are C or C++ The Only Viable Languages for a GC

    - by user95312
    Background I have just finished writing a compiler for a functional language compiling to the JVM as a learning project. However, since I'm just doing this to learn, I thought it might be interesting to write a native backend and a RTS for it. As I've been planning out what this new backend will look like, the one point I'm stumbling on is the garbage collector. I've implemented the compiler in Haskell. But I have no desire to write the GC in Haskell since, while it may be possible, it'd suck. Question I've looked at several FOSS garbage collectors prior to posting and most of them were implemented in good old ANSI C. Is this still the most accepted choice for writing a GC nowadays? I've seen that this site tends to frown upon questions with multiple answers so I hope this will make it more specific: If some startup was writing a professional grade gc today, are the only viable choice for them C or C++? It's my first question here so please comment and let me know if this question is ill-suited for for programmers.

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  • What good free forum engines are out there? [closed]

    - by user1306322
    I'm looking for a forum engine for my website, which will look modern, easy to use and follow lengthy discussions. Most of the times people hear "forum" they imagine unresponsive phpBB with terrible color scheme and unnecessarily huge user info sections (avatar, signature) about 600px high each, which make it impossible to see more than 5 posts on a really big screen. I'd like it to be the other way around with my future forum. Features I'd like to see: Clean, transparent section/thread selection, Must not have "message posted, you will be redirected to wherever" screens, 1-click message posting (captchas are ok, but not the ones that erase the whole post when you mistype), Tree hierarchy for comments to posts

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  • How to add UTF-8 support to my hard disk in fstab?

    - by punkmexic
    I use Ubuntu (Spanish language). Sometimes I get this error when I use special characters (codification error) so I read that if I edit a file of my hard disk by using gedit /etc/fstab and adding utf8 I can fix it.... I had this line: UUID=bfb5b95e-bf68-464a-8abf-d6027b039fa4 / ext4 errors=remount-ro 0 1 I adeed utf8 like this: UUID=bfb5b95e-bf68-464a-8abf-d6027b039fa4 / ext4 errors=remount-ro,iocharset=utf8 0 1 But I messed my Ubuntu and I can't log in now to my Ubuntu so im using live session... so I'll have to remove that code in order to be able to use my Ubuntu again. Can someone tell me how that line should look like?

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  • Emperors dont come cheap

    Sorry I replied in a polite email. Maybe next year, when budgets allow for this. It was addressed to the organizer of TechEd US, which was to be in New Orleans this year. Man, I would have loved to be in new Orleans this year, but, I guess these guys only understand one language and I wont be their puppy any more. You see, they wouldnt pay for my business class flight to TechEd from Israel. Me the great emperor of unit testing?! travelling coach for 12 hours? No thanks. I have better things to...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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  • SQL Saturday #310 - Dublin, Ireland

    SQL Saturday is coming to Dublin on September 20, 2014. Come for a free day of SQL Server training and networking. This year's conference features a mix of levels, topics, and speakers like Buck Woody (Big Data), Jen Stirrup (PowerBI), Denny Cherry (Storage), Red Gate's Tom Austin (Continuous integration), and more. Register while space is available. Need to compare and sync database schemas?Let SQL Compare do the hard work. ”With the productivity I'll get out of this tool, it's like buying time.” Robert Sondles. Download a free trial.

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  • Languages with C/C++ output [closed]

    - by Vag
    Which languages have compilers able to emit plain standard C/C++ code? For a start: Haxe // uses Boehm GC Haskell (JHC) Haskell (old GHC) // -fvia-c, removed recently (emitted code is super ugly) Clay ATS Cython RPython (Shed Skin) // experimental RPython (PyPy) Python (Nuitka) // although author claims there are no speedups Common Lisp (ECL) COBOL (OpenCobol) Scheme (Chicken) APL // So far I've not found working implementation available for free download Ur/Web // GCC-specific output, and intended to be used only for web developments (included for completeness only) I'd like to build comprehensive up-to-date list but found only these ones so far. I've tested only Haxe and it works pretty well and quite fast. What about other ones? What is your expirience? How much ugly is generated code? Update. Any language chains (e.g. X - Scheme - C) will be perfectly OK as answer if its use is practical enough and suited for production use.

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  • XRegExp Regular Expression Library for JavaScript

    - by Jan Goyvaerts
    XRegExp is an open source JavaScript library. It extends JavaScript’s regex syntax with features such as free-spacing, named capture, mode modifiers, and Unicode categories, blocks, and scripts. It also provides its own test(), exec(), forEach(), replace(), and split() methods that eliminate most cross-browser inconstencies and bugs. Anyone using non-trivial regexes in their JavaScript code should seriously consider using XRegExp. Last month’s update of the Regular-Expressions.info website added full coverage of XRegExp to the regex tutorial and regex reference sections. But the tools & languages section was missing the XRegExp page, resulting in broken links in the tutorial and reference sections. This page has now been added.

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  • What are deferred callbacks?

    - by tentimes
    I understand the idea of a callback, where I pass a function into another function and that function then uses the supplied function at will. I am struggling to understand deferred callbacks, even after googling it. Could someone provide a simple explanation please? I program in Ruby, but also know C/C++ a bit, but most of all I was a experienced assembly language programmer. So I am wondering is it a bit like a stack of callback addresses that get pop'd? I am hoping to learn jquery or node.js and these deferred callbacks seem integral to both. I understand basic threading principles (though mutex object makes my head hurt ;)

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  • How can a script detect if the user is idle

    - by josinalvo
    I want to check, inside a bash script (*), how much time the user of a X session has been idle The user himself does not have to be using bash, but just X. If the user just moved the mouse, for example, a good answer would be "idle for 0 seconds". If he has not touched the computer in 5 minutes, a good answer would be "idle for 300 seconds" The reason to not use xautolock straight away is to be able to implement some complex behavior. For example, if the user is idle for 10 minutes, try to suspend, if he is idle for more 5 minutes, shutoff (I know it sounds odd, but suspend does not always work here ...) (*)or could be another language.

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  • MEF (Microsoft Extensibility Framework) made simple (ish)

    Microsoft Extensibility Framework or MEF is one of the great features in Silverlight, designed around making Silverlight applications more extensible generally and provides a much more complete story for the separation of concerns. MEF then begs the question 'Why we care?' and 'What can MEF really do?' and we will address that here.Let us talk about a real world example for a moment.Say you are a vertical selling corporation of some kind, meaning that you sell to companies that do similar things....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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  • Newer versions of chromium?

    - by user128712
    I've been wondering why the ubuntu's version of chromium is still on 25 -- from lucid up until raring -- while the current stable version is 28. The only reason I use chromium is to use the web apps integration. PS : I have tried to use the web apps integration on another version of chromium -- not google chrome -- which is 28 then it seems that some features I use was lost while using other version than 25. EDIT: Sorry I forgot to tell you I use the 13.04 version and also the development branch 13.10. My question was : Why does ubuntu doesn't update the package in the repository to the current stable version?

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  • Forking an open source project using Git

    - by Cromulent
    There is an open source project that I want to fork for my own reasons. It currently has a Git mirror of its main SVN repository which I can use. What are the best techniques for forking a project whilst still maintaining the ability to merge future changes from the original project into your own forked repository using Git? Please note I will not be using Github at all for development so using any features from that is out of the question. The project will be hosted on a private VPS.

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  • Google App Engine: How to be notified when APIs change or become available?

    - by herpylderp
    I am thinking about writing a GAE app but am a little hesitant because the EULA gives Google full rights to change their APIs anytime they want, for any reason. Obviously, they'd be out of business quick if they just 'upped and refactored their entire APIs, so I have to imagine they have some kind of notification system, perhaps even an RSS feed, etc. to notify developers well in advance of looming changes, or new features coming out in future releases. However, for the life of me I can't seem to find any trace of the existence of such a notification system. Perhaps the Google forums is the only place to get such updates? I guess I'm asking any battle-worn GAE veterans for re-assurance that there are reliable ways of getting notifications about policy or API changes from Google such that I could react and make the necessary app changes without production breaking or impacting any clients. Thanks in advance!

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  • Winnipeg SQL Server UG January Event

    - by D'Arcy Lussier
    January Event - Highlights From PASS Summit January 19th, 2011 5:30 - 8:00 17th Floor Conference Room, Richardson Building One Lombard Place, Winnipeg Pizza and Drinks Provided! Presenter: Michael DeFehr This past November I attended the PASS summit in Seattle and SQL Connections in Las Vegas.  In this session, I’ll go over the highlights of what I learned in these two weeks.  SQL Server “Denali” (the next version of SQL server) was a big theme of both conferences, but I attended sessions on grouping sets, virtualizing SQL server, extended events, latches and I attended keynotes where such new an upcoming features and products as “Microsoft Atlanta”, Crescent and Filetable were introduced.  Also:  is “undo” coming in SSIS?  Come and find out! Please register for this event here

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  • How are hybrid VB6/.Net applications functioning in the Real World?

    - by Dabblernl
    I am maintaining a VB6 application and we are studying how to migrate to .Net We are considering doing this gradually by implementing new features in COM visible .Net classes and migrating existing functionality slowly. I found some instructive 'Hello World' examples about how to do this and it works fine with our App. But how is the real world behaviour of these hybrid applications? Are they stable, maintainable? Particular of our program is that more users on the same computer will use it by switching user accounts. EDIT: The VB6 app reads data from a USB connection and stores it in an Access database. The user can call up various views on the data. The data is cached in a hardware device, so interuptions in the reading of it are not fatal.

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  • understanding computers [closed]

    - by Ashwin
    Possible Duplicate: Good resources to understand how a program interacts with machine hardware I don't know if this is the correct StackExchange site to ask this question. But I could not find any other. I want to understand how a computer works from the software level to the internal structure. For example what happens when I press a button on keyboard. The OS interprets it and then what changes happen in the flip-flops. How is an operating system written? If it is written using some programming language, then how is that interpreter written. At some point it has to come down to the hardware, right? I know to program in c, c++ and java. But after all these years I am still not sure about what is happening inside. I would be grateful to anyone who points me to to a link or a video that explains this to the deep.

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  • 2012&ndash;The End Of The World Review

    - by Tim Murphy
    The end of the world must be coming.  Not because the Mayan calendar says so, but because Microsoft is innovating more than Apple.  It has been a crazy year, with pundits declaring not that the end of the world is coming, but that the end of Microsoft is coming.  Let’s take a look at what 2012 has brought us. The beginning of year is a blur.  I managed to get to TechEd in June which was the first time that I got to take a deep dive into Windows 8 and many other things that had been announced in 2011.  The promise I saw in these products was really encouraging.  The thought of being able to run Windows 8 from a thumb drive or have Hyper-V native to the OS told me that at least for developers good things were coming. I finally got my feet wet with Windows 8 with the developer preview just prior to the RTM.  While the initial experience was a bit of a culture shock I quickly grew to love it.  The media still seems to hold little love for the “reimagined” platform, but I think that once people spend some time with it they will enjoy the experience and what the FUD mongers say will fade into the background.  With the launch of the OS we finally got a look at the Surface.  I think this is a bold entry into the tablet market.  While I wish it was a little more affordable I am already starting to see them in the wild being used by non-techies. I was waiting for Windows Phone 8 at least as much as Windows 8, probably more.  The new hardware, better marketing and new OS features I think are going to finally push us to the point of having a real presence in the smartphone market.  I am seeing a number of iPhone users picking up a Nokia Lumia 920 and getting rid of their brand new iPhone 5.  The only real debacle that I saw around the launch was when they held back the SDK from general developers. Shortly after the launch events came Build 2012.  I was extremely disappointed that I didn’t make it to this year’s Build.  Even if they weren’t handing out Surface and Lumia devices I think the atmosphere and content were something that really needed to be experience in person.  Hopefully there will be a Build next year and it’s schedule will be announced soon.  As you would expect Windows 8 and Windows Phone 8 development were the mainstay of the conference, but improvements in Azure also played a key role.  This movement of services to the cloud will continue and we need to understand where it best fits into the solutions we build. Lower on the radar this year were Office 2013, SQL Server 2012, and Windows Server 2012.  Their glory stolen by the consumer OS and hardware announcements, these new releases are no less important.  Companies will see significant improvements in performance and capabilities if they upgrade.  At TechEd they had shown some of the new features of Windows Server 2012 around hardware integration and Hyper-V performance which absolutely blew me away.  It is our job to bring these important improvements to our company’s attention so that they can be leveraged. Personally, the consulting business in 2012 was the busiest it has been in a long time.  More companies were ready to attack new projects after several years of putting them on the back burner.  I also worked to bring back momentum to the Chicago Information Technology Architects Group.  Both the community and clients are excited about the new technologies that have come out in 2012 and now it is time to deliver. What does 2013 have in store.  I don’t see it be quite as exciting as 2012.  Microsoft will be releasing the Surface Pro in January and it seems that we will see more frequent OS update for Windows.  There are rumors that we may see a Surface phone in 2013.  It has also been announced that there will finally be a rework of the XBox next fall.  The new year will also be a time for us in the development community to take advantage of these new tools and devices.  After all, it is what we build on top of these platforms that will attract more consumers and corporations to using them. Just as I am 99.999% sure that the world is not going to end this year, I am also sure that Microsoft will move on and that most of this negative backlash from the media is actually fear and jealousy.  In the end I think we have a promising year ahead of us. del.icio.us Tags: Microsoft,Pundits,Mayans,Windows 8,Windows Phone 8,Surface

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