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Articles indexed in April 2010

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  • Can I create a dataset XSD without using the designer?

    - by Per Åkerberg
    Hi everyone, I want to be able to create the XSD file for my typed dataset without using the visual studio dataset designer. Is there a way to do this using for instance a command-line tool? There is some magic happening when a table is dragged from the server explorer to the design surface, but where does that magic come from? To add some flavour to the mix, I am using DB2 LUW 9.1, but I am guessing that the process is similar using other database vendors. Once I have the XSD I can use XSD.exe to create my .CS class, no problem. Thanks for any help or suggestion! /Per

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  • How do you handle ajax requests when user is not authenticated?

    - by LukLed
    How do you handle ajax requests when user is not authenticated? Someone enters the page, leaves room for an hour, returns, adds comment on the page that goes throuh ajax using jQuery ($.post). Since he is not authenticated, method return RedirectToRoute result (redirects to login page). What do you do with it? How do you handle it on client side and how do you handle it in controller?

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  • More Retro Games

    - by Matt Christian
    Last week I made 2 stops to my local game stores and spent a load of cash on a bunch of new retro games for my collection.  Here are the recent additions: NES - Mega Man 2 - The Adventures of Bayou Billy - Ducktales - Metal Gear - Super Mario Bros / Duck Hunt - Firestorm - Dragon's Lair - Bartman Meets Radioactive Man N64 - Superman 64 - Zelda: Ocarina of Time (in original box, box is in poor condition) Atari - Superman - Adventure - Donkey Kong - Raiders of the Lost Ark Dreamcast - Memory card with view screen - Space Channel 5 Genesis (all in case) - Jurassic Park - Sonic Spinball - Sonic the Hegehog 3 (missing manual) - Spiderman (also called Spiderman vs. The Kingpin) GameGear - Bart vs The Space Mutants Quite a large haul given it was all purchased in 2 days.  Although, Metal Gear I got for a great deal and almost considered buying their other copy simply to resale for more though I decided against it to let another lucky soul find it.  I may need to run over there again because I think they had TMNT 2 (NES) for around $6 and it usually sells for more than that.  I could have sworn I grabbed it and bought it but my receipt tells me differently. I also found my copy of Super Mario 3 and added that to my collection.  Unfortunately one of the corners of the label has begun to peel up pretty badly which sucks although it's still a good item for the collection. In other retro news, this weekend was Easter and while at my grandparents the cousins wanted to play on their NES which was not working.  Me being the retro NES nerd I am, grabbed a screw driver, some Windex, a few toothpicks, and a few cotton swabs and had it up and running under an hour (that includes eating dinner!).  The NES holds the games tighter, has a better connection, and works almost instantly.  I should do THAT for a living!

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  • Is it possible to do a wget dry-run?

    - by Svish
    I know you can download webpages recursively using wget, but is it possible to do a dry-run? So that you could sort of do a test-run to see how much would be downloaded if you actually did it? Thinking about pages that have a lot of links to media files like for example images, audio or movie files.

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  • The Other "C" in CRM

    - by Brian Dayton
    Folks who know me know that I rarely, if ever, talk politics. And I never talk politicians. Having grown up in a household with one parent leaning left and the other leaning to the right it was the best way to keep the peace. This isn't about politics. It's about "constituents" and the need to improve the services and service levels for people--at the city, county, state/province, etc. level all the way up to national governments. As a citizen and tax payer it's also important to me that these services be provided at a reasonable cost. If there's a better and more efficient way to do something then it's my hope that a public sector organization takes advantage of technology the same way private sector companies do. Social services organizations have a complex job. They provide the services that people need, from healthcare and children's assistance to helping people find jobs. But many of these organizations are still managing these processes manually or outdated, home-grown applications that could have been written up to 30 years ago. A lot has changed in technology. On the (this is as political as I'm going to get) political front, stakeholders like you and me are expecting greater transparency on where and how funds are spent. I'll admit that most of the time, when I think about CRM systems, I think about my experience as a customer of my bank, utilities company or cable operator. But now that I'm older, have children and a house--I find myself interacting more and more with agencies and services organizations. My experiences are sometimes good and sometimes not so good. Along those lines, last week's announcement of Siebel CRM 8.2 for Public Sector caught my eye. You may not work in the public sector, but you are a constituent of some--actually a lot--of public sector organizations. I don't know which CRM systems city and county utilize but I'm going to start paying closer attention.

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  • How YouTube Can Help With SEO

    With over 21 billion web pages on the internet, the competition to gain the best page rank in each industry's field is immense. There are several SEO (Search Engine Optimisation) techniques that when combined can dramatically improve your position on the leading search engines.

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  • How to Check How Many Inbound Links Your Competitor Has

    Inbound links are often referred to as off page search engine optimization (SEO) and they are really important to get a high ranking in the search engine results. To rank and stay higher than your competitor, you will need a way to find out how many back-links they have built to their web pages. In this article you will get a quick and easy way on how to check how many inbound links your competitor has.

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  • Why Are Authority Sites Important?

    You can overcome mediocrity once people consider you to be an authority in a certain field or specialty. In the world of the internet, authority is synonymous with excellence and quality in a chosen endeavor. These are websites that have gained the trust and confidence of people from every corner of the globe because of the quality of the service it offers.

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  • Getting Your Site Ranked High Through SEO

    The best way to get your web-based business noticed is to rank high in the search engine results pages (otherwise known as SERPs). To make this a possibility and not just a dream, you need to establish a copious amount of links from other related sites. Simply put, when people visit these other sites, they'll be able to see a link that directs them to yours.

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  • Difference between normal and magic setters and getters

    - by Saif Bechan
    I am using a magic getter/setter class for my session variables, but I don't see any difference between normal setters and getters. The code: class session { public function __set($name, $value) { $_SESSION[$name] = $value; } public function __unset($name) { unset($_SESSION[$name]); } public function __get($name) { if(isset($_SESSION[$name])) { return $_SESSION[$name]; } } } Now the first thing I noticed is that I have to call $session->_unset('var_name') to remove the variable, nothing 'magical' about that. Secondly when I try to use $session->some_var this does not work. I can only get the session variable using $_SESSION['some_var']. I have looked at the PHP manual but the functions look the same as mine. Am I doing something wrong, or is there not really anything magic about these functions.

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  • Using VB6 + WSH with Windows Compression

    - by OneNerd
    Having trouble with WSH and Windows Compression. My goal is to be able to zip up files (not folders, but individual files from various locations, which I have stored in an array) using the built-in Windows Compression. I am using VB6. Here is my routine (vb6 code): Dim objShell Dim objFolder Set objShell = CreateObject("Shell.Application") Set objFolder = objShell.namespace(savePath & "\export.zip") ' -- ' loop through array holding files to zip For i = 0 To filePointer objFolder.CopyHere (filesToZip(i)) Next ' -- Set objShell = Nothing Set objFolder = Nothing It works, but issues arise when there are more than a few files. I start getting errors from Windows (presumably, its calling the compression too fast, and the zip file is locked). I cant seem to figure out how to WAIT until the COPYHERE function completes before calling the next one to avoid issues. Does anyone have any experience with this? Thanks -

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  • Does a c/c++ compiler optimize constant divisions by power-of-two value into shifts?

    - by porgarmingduod
    Question says it all. Does anyone know if the following... size_t div(size_t value) { const size_t x = 64; return value / x; } ...is optimized into? size_t div(size_t value) { return value >> 6; } Do compilers do this? (My interest lies in GCC). Are there situations where it does and others where it doesn't? I would really like to know, because every time I write a division that could be optimized like this I spend some mental energy wondering about whether precious nothings of a second is wasted doing a division where a shift would suffice.

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  • PHP: What's the best way to check equality of $_SERVER['HTTP_REFERER'] ?

    - by Hank
    I have a PHP script that checks the HTTP Referer. if ($_SERVER['HTTP_REFERER'] == 'http://www.example.com/') {...} However, this seems inherintly unsafe ... because what happens if the user goes to 'http://example.com/' or 'http://www.ExaMple.com' (both of which don't match the equality test). Question: what's a better equality test to ensure that the HTTP Referer is coming from 'example.com' ?

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  • parsing numbers in a javascript array

    - by George
    Hi I have a string of numbers separated by commas, "100,200,300,400,500" that I'm splitting into an array using the javascript split function: var data = []; data = dataString.split(","); I'm trying to parse the values of the array using parseFloat and then store them back into the array. I'd then like to add up the numbers in the array and store it as another variable, "dataSum". I've got the following code, but I can't get it working: var dataSum = ""; for (var i=0; i < data.length; i++) { parseFloat(data[i]); dataSum += data[i]; } So at the end of all this, I should be able to access any of the parsed numbers individually data[0], data[1], etc... and have a total number for dataSum. What am I doing wrong?

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  • Live Updating Widget for 100+ concurrent users

    - by flavio87
    Hi there what would you use if you had to have a div box on your website that would have to be updated constantly with new HTML content from the server. simple polling is probably not very resource inefficient - imagine also having 10'000 users and the div has to update. what is the most efficient or elegant solution for such a problem? are there existing widgets which contain this "autoupdate" functionality?

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  • Maintaining a pool of DAO Class instances vs doing new operator

    - by Fazal
    we have been trying to benchmark our application performance in multiple way for sometime now. I always believed that object creation in java using Class.newInstance() was not slow (at least after 1.4 version of java). But we anyways did a test to use newInstance method vs mainitain an object pool of 1000 objects. We did about 200K iterations of loading data from DB using JDBC and populating these objects. I was amazed (even shocked) to see that newInstance code compared to object pool code was almost 10 times slower. These objects represent tables with about 50 fields and all string type. Can someone share there thoughts on this issue as now I am more confused if object pooling of atleast some DAO instances is a better option. The pool size as I see right now should be large enough to meet size of average requests. There is a flip side as my memory footprint will go up but I am beginning to wonder if this kind of idea makes sense atleast for some of the DAO entities representing tables of about 50 or more columns Please share your ideas and let me know if this has been tried by someone or am I missing some point here

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  • Which's the best way to protect primary key on ASP.NET MVC?

    - by Junior Mayhé
    I'm creating a ASP.NET MVC website and I was wandering which techniques do you guys use to protect primary key on these mvc urls. Actually ASP.NET MVC generates this syntax for its urls: /Controller/Action/Id Last week I was trying to encrypt it using SHA-1 Encryption, but this encrypter generates some special symbols like + (plus), / (slash), and other annoying chars which difficult the decryption. Perhaps creating a custom encryption should solve the problem. But I wanna here from you guys, do you have some ideas to protect mvc urls?

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  • Java getMethod with superclass parameters in method

    - by Jonathon
    Given: class A { public void m(List l) { ... } } Let's say I want to invoke method m with reflection, passing an ArrayList as the parameter to m: List myList = new ArrayList(); A a = new A(); Method method = A.class.getMethod("m", new Class[] { myList.getClass() }); method.invoke(a, Object[] { myList }); The getMethod on line 3 will throw NoSuchMethodException because the runtime type of myList is ArrayList, not List. Is there a good generic way around this that doesn't require knowledge of class A's parameter types?

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  • Statically Compiled Oracle Client Drivers/Code

    - by blockcipher
    Hello, I'm looking to write a command-line program that can execute database scripts against an Oracle server, however the machine the program will be run on may not have an Oracle client installed on it. I also don't want to rely on a language that requires a VM as there's no guarantee that the VM will be installed, so a language like C is preferable for this. Is there a way that I can statically compile/build this program and not have to have the user install the Oracle client on that machine? I'm trying to be as unobtrusive as possible. Thanks.

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