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  • Using RIA Services FilterDescriptor from code behind

    - by Fermin
    Hi, I was wondering if it's possible to use the FilterDescriptor control from code behind? On the page load of my form I set the datasource of a grid in the code behind, not using a DomainDataSource control, like: TestDomainContext context = new TestDomainContext(); dataGridEmployees.ItemsSource = context.EmployeePositions; context.Load(context.GetEmployeesWithPositionQuery()); I have a textbox on my page that the user can enter into to filter on employee position. Is it now possible to add FilterDescriptor to the source of the DataGrid in code behind? Or would I manually need to filter the results of the context.GetEmployeesWithPositionQuery, for example on KeyUp event of the filter TextBox?

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  • xperf won't use my DLL's pdb

    - by dauphic
    I'm attempting to use xperf to profile my (unmanaged) DLL which is loaded by another (managed) application. Basically, xperf isn't loading the symbols for my DLL; in the CPU usage summary, my DLL's function column says 'Unknown' xperf gives me: xperf: Using symbol path: C:\app\mydll\releaseu;SRV*c:\symbols*http://msdl.microsoft.com/download/symbols xperf: Using executable path: C:\app\mydll\releaseu;SRV*c:\symbols*http://msdl.microsoft.com/download/symbols xperf: Using SymCache path: \SymCache Where C:\app\mydll\releaseu is where my DLL's .pdb file is located. Using xperf -symbols or clicking Load Symbols in the viewer doesn't load my DLL's symbols. A folder for mydll isn't created in C:\Symbols, I'm only getting the symbols from Microsoft. Any idea how to make it work?

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  • The Most Effective Learning Methods – The Results

    - by BuckWoody
    Yesterday I posted a blank graph and asked where you thought the labels should go for the most effective learning methods, according to a study they read to me and other teachers here at the University of Washington. Here are the labels in the correct order according to that study – and remember, “Teaching” here means one student explaining something to another: It isn’t really that surprising to learn that we comprehend best when we have to teach a subject to someone else, and you can see that the “participation factor” is the key in the learning methods. The real shocker was the retention level at the various learning modes – lecture was down near the single digits! What does this have to do with databases or the DBA? Well, we all need to learn new things – and many of us are asked to teach others a new task. To be a good teacher, we have to know how a student learns best – and of course that makes us better students as well. So next time you’re asked to transfer some knowledge to someone else, take a look at this chart first – and let me know how it affected your knowledge transfer. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • Rendering shadow sprites in cocos2d-x

    - by lukeluke
    I am writing a 2D game with cocos2d-x. I want to put a "shadow" sprite on a background sprite using the equation: MAX(0, Cd*1 - Cs*S) where Cd is the destination color (that is, a background pixel), Cs is the source color (the shadow pixel) , S is the scale factor (between 0 and 1). The MAX() function is used to avoid negative results. This is a lighting effect: when the shadow sprite pixel is 0, there is no effect on the background pixel, otherwise, the background pixel becomes darker. Now, the only way that comes to my mind is to change the blending equation to GL_FUNC_SUBTRACT, but it doesn't compile with cocos2d-x (can't found it)... I would subclass the CCSprite class in order to implement the draw() method in order to change, when needed, the blending equation, call the original draw() method and restore the blending equation to its previous state at the end of the method. So my questions are two: how to use glBlendEquation() with cocos2d-x? Keep in mind that i am writing a game for iphone/android/windows. are shadows handled this way in 2D games? Thx

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  • WF4 workflow versioning using WorkflowServiceHost

    - by rwwilden
    Related to this question. I understand how to implement versioning of workflows using WorkflowApplication. If you keep the original XAML definition for older versions of your workflow around, you can load them using the right WorkflowApplication constructor. How could you ensure that WorkflowServiceHost uses the correct workflow definition when you want to host your workflows in IIS? There is a WorkflowServiceHost constructor that you can use to load a workflow definition, but when you are hosting inside IIS through a XAMLX file, you do not call WorkflowServiceHost yourself, this is handled somehow by IIS. So how do I ensure that the correct workflow definition is loaded for the right version of my workflow?

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  • Flash CS4 AS3 Security Sandbox Violation

    - by Jennifer Heidelberg
    Hi, I have build my entire website with flash and embedded several swf objects (slideshows) into it. everything always worked fine when I published it as swf movie. but now that I want to upload my website an error message occurs saying: Error #2044: Unhandled SecurityErrorEvent:. text=Error #2140: Security sandbox violation: file:///mylayout.swf cannot load file:///slideshow_1.swf. Local-with-filesystem and local-with-networking SWF files cannot load each other. I know that it has something to do with the fact that one of the swf is local with filesystem and the other local with networking. but in my publish settings i told it to access local files only. but it didnt help. does anyone have an answer?

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  • Watch Google’s I/O 2012 Developer Conference Live (Online) Starting June 27

    - by Asian Angel
    Google’s annual I/O conference begins on Wednesday this week and will be filled with exciting sessions about Android, Chrome, Google+, and more. To help you keep up with all the fun we have the links you need so that you can tune in with live streaming! Photo courtesy of Google I/O website. The keynote for Day 1 will begin at 9:30 a.m. PDT (U.S. time) and the keynote for the second day will begin at 10:00 a.m. PDT (U.S. time), so make sure to mark it on your schedule! Visit the blog post linked below for more details about signing up for Extended Events, the I/O mobile app, the liveblogging gadget, and more. SPECIAL NOTE: The Google blog post linked below was slightly ambiguous and listed both of the I/O URLs we have shown here, so make sure to keep a watch on both… How to Banish Duplicate Photos with VisiPic 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?

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  • VS2010 Custom Code Analysis Rule

    - by devlife
    I'm trying to write a custom fxcop rule for mstest projects VS2010. I'd like to debug it but keep getting an exception when it tries to load the dll for the mstest project it fails stating that it can't find referenced assembly: Microsoft.FxCop.Common.AssemblyLoadException Could not load C:\Users\Administrator\Documents\Visual Studio 2010\Projects\20100106-CodeAnalysisRulesBlogDemo\BlogDemo\TestProject1\bin\Debug\TestProject1.dll. Microsoft.FxCop.Sdk.InvalidMetadataException The following error was encountered while reading module 'TestProject1': Assembly reference cannot be resolved: Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a. Does anyone have any idea how to resolve this? If I just run the code analysis it works fine but as soon as I try to debug it fails. Thanks

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  • using Windows Script Host

    - by Axarydax
    Hello, I am using windows script host for some kind of installer application and I'm creating shortcuts in start menu with it. This problem came up when I switched to x64 environment (win7 ultimate x64+vs2010) I added a reference to Windows Script Host Object Model (from c:\windows\syswow64\wshom.ocx), it generated Interop.IWshRuntimeLibrary dll. I added 'using IWshRuntimeLibrary;' to my .cs files, but when I tried to create WshShell sh = new WshShellClass(); it throws an exception: Could not load file or assembly 'Interop.IWshRuntimeLibrary, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. An attempt was made to load a program with an incorrect format. I assume that I would need 64-bit version of that wshom.ocx for this to work, but I don't know what should I try. Or I'll just dump Windows Script stuff, but I need another way to create start menu shortcuts from .net application. Thanks

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  • Visual Studio and SQL Server - correct installation sequence?

    - by cdonner
    I am rebuilding my development machine. This issue is not new to me, but I don't remember the solution. I started with VS 2008 Pro, then SQL 2008 Developer, then the SQL SP1, then VS SP1. The result is that I cannot open SSIS projects (see the error below). What is the correct order so that I can avoid the installation of SQL Server Express and still have all the features working? --------------------------- Microsoft Visual Studio --------------------------- Package Load Failure Package 'DataWarehouse VSIntegration layer' has failed to load properly ( GUID = {4A0C6509-BF90-43DA-ABEE-0ABA3A8527F1} ). Please contact package vendor for assistance. Application restart is recommended, due to possible environment corruption. Would you like to disable loading this package in the future? You may use 'devenv /resetskippkgs' to re-enable package loading. --------------------------- Yes No ---------------------------

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  • More Mobile Payments

    - by David Dorf
    In the previous post I discussed the Bump Payments from PayPayl, but that's not the only innovative way to make purchases using your phone. Verizon recently announced a partnership with Danal that allows shoppers to charge online purchases to their Verizon bill. For e-commerce sites that accept this type of payment, it's a two step process. At checkout, the shopper enters their mobile number and billing zip code. Then a SMS message is sent to the mobile phone that contains a one-time code that must be entered on the e-commerce site. This two-factor authentication seems pretty secure, and no pre-registration or credit card is necessary. There's a $25 a month maximum, but I bet the limit gets raised as Verizon gets more comfortable with security. Merchants are charged a fee similar to credit card fees. Another example of mobile payments is offered by BlingNation. Customers attach a small NFC sticker to their phones that allows them to "tap" the POS device to make a payment. The NFC chip is connected to their checking account, so the transaction is treated as a debit payment. Text messages are sent to the mobile that confirm the payments so shoppers can easily verify their purchases. BlingNation is working with banks like Adirondack Trust Company and The State Bank of La Junta in Colorado. Heck, you can even send money to inmates in the Arkansas prison system using your mobile phone now that the state of Arkansas supports payments via their mobile website. Everyone is getting into the act now.

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  • jQuery monitoring form field created by AJAX query

    - by Jon Rhoades
    Preface: I am sure this is incredibly simple, but I have searched this site & the jQuery site and can't figure out the right search term to get an answer - please excuse my ignorance! I am adding additional form fields using jQuery's ajax function and need to then apply additional ajax functions to those fields but can't seem to get jQuery to monitor these on the fly form fields. How can I get jQuery to use these new fields? $(document).ready(function() { $('#formField').hide(); $('.lnk').click(function() { var t = this.id; $('#formField').show(400); $('#form').load('loader.php?val=' + t); }); //This works fine if the field is already present var name = $('#name'); var email = $('#email'); $('#uid').keyup(function () { var t = this; if (this.value != this.lastValue) { if (this.timer) clearTimeout(this.timer); this.timer = setTimeout(function () { $.ajax({ url: 'loader.php', data: 'action=getUser&uid=' + t.value, type: 'get', success: function (j) { va = j.split("|"); displayname = va[1]; mail = va[2]; name.val(displayname); email.val(mail); } }); }, 200); this.lastValue = this.value; } }); }); So if the is present in the basic html page the function works, but if it arrives by the $.load function it doesn't - presumably because $(document).ready has already started. I did try: $(document).ready(function() { $('#formField').hide(); $('.lnk').click(function() { var t = this.id; $('#formField').show(400); $('#form').load('loader.php?val=' + t); prepUid(); }); }); function prepUid(){ var name = $('#name'); var email = $('#email'); $('#uid').keyup(function () { snip........... But it didn't seem to work...

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  • WatiN File Upload

    - by James Jeffery
    I've hit a snag. I am trying to use WatiN to upload a file. I can load the upload box, but it quickly disappears. The last line of my code at the moment is: ie.FileUpload(Find.ById("profile_file")).Click(); It loads the dialog to select a picture but disappears. Is it possible to set the path of the box automatically example, load "C:/Desktop/image.jpg"? Also, is it possible to wait for the upload to complete before continuing? Help is much appreciated. Thanks.

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  • How to get markers after calling drive directions in Google Maps API?

    - by Ivan Rocha
    Hi all, I just started working using Google Maps API yesterday, and trying to set up drive directions to my map. My problem is: when I call the function load, [...] gdir = new GDirections(map, directionsPanel); [...] gdir.load("from: " + fromAddress + " to: " + toAddress); it returns a map whose markers are not draggable. So, I need to make them draggable in order to recalculate the directions, but I can't get the markers objects. Someone knows how can I do it? Thanks, Ivan.

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  • LiNQ to Entities, Include less

    - by Freddy
    Hi, If you are making a LinQ to entities expression for ClassA where A has a relation to ClassB like this: var temp = from p in myEntities.ClassA.Include("ClassB") where ... select p; You will get a set of ClassA:s with the reference to ClassB loaded. The thing in my case is that I dont really need to load ALL the ClassB-references, just a few of them. But I dont want to loop through the list of ClassA:s and load them individually, i want my database operations to be fewer and bigger instead of reading small chunks here and there. Is it possible to put some kind of restrictions on which references to include or do you have to accept this all or nothing style?

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  • jQuery not loading on Master Page when the Content Page is in a child folder.

    - by ProfK
    I have a site where I am trying to implement a jQuery UI based MessageBox in my master page. Content pages are arranged accoring to business area folders, i.e. '~/Branding/Contracts.aspx'. I find that when I load such a content page, jQuery, which is referenced in the master page as below, does not load. I assume that this is because the browser is requesting 'Branding/Scripts/jQuery '. What can I do about this? I don't have the 'root' operator in a plain 'script' tag. <script src="/Scripts/jquery-1.3.2.js" type="text/javascript"></script> <script src="Scripts/jquery-1.3.2.js" type="text/javascript"></script> <script src="Scripts/jquery-ui-1.7.2.custom.min.js" type="text/javascript"></script>

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  • Loading persisted workflow after workflowdefinition has changed in WF4

    - by Flores
    How to solve this problem (in WF4): I create a workflow in xaml and start several instances of it, I have a persistancestore and all workflows persist on a bookmark half way their workflow. Now I stop the application If I restart te application everything is resumed, en nicely completes. But what if I want to change the workflow definition after the running instances persist? the only way to load the running workflows (that I was able to find) is the following way: WorkflowApplication wfapp = new WorkflowApplication(new WorkflowDefinition()); wfapp.InstanceStore = new SqlWorkflowInstanceStore(connStr); wfapp.Load(wfGuid); So you need the workflow definition, if it has changed during the persistance, things go horribly wrong. What is the best way to solve this?

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  • (C# ) Reloading flash files inside a windows form

    - by user257412
    Using visual C# express 2008. I have a app which shows load a flash movie in form, using this code axShockwaveFlash1 = new AxShockwaveFlashObjects.AxShockwaveFlash() axShockwaveFlash1.LoadMovie(0, Form1.currentGame); The problem is that when the Loadmovie method is called to load another flash file, without closing the form , the new flash is 'messed' up. to be more specific , it seems that the background and some controls of the previous flash still remain, 'spoiling' the new flash that is loaded. why? Using the following methods before loading the second flash video makes no difference axShockwaveFlash1.Refresh(); axShockwaveFlash1.Stop(); Solution ?

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  • Best Practice for Images with Codeigniter : Generating Thumbs or Resizing on the Fly

    - by Steve K
    Hi all, I know there’s been a good deal written on thumbnail generation and the like with CI, but I wanted to explain what I’ve made and see what kind of best-practice advice I could find. Here’s my story… Currently, I have a site which allows users to upload collections of photos to projects they’ve created after first creating an account. Upon account creation, the site generates folders for the users in the following fashion for each of five pre-defined projects: /students/username/project_num/images/thumbs/ (This is to say that within a pre-created students folder, the username, project_num, images and thumbs folders are created recursively five times.) When a user uploads images to a project, I have a gallery controller which uploads the full images into the images folder for the project_num, and then creates a smaller thumbnail which maintains its ratio. So far so good. On the index page of the site, where these thumbnails and full images are displayed, I had a bit of a brain lapse, thinking I could simply output the full image while resizing it via css for a ‘medium-size’ image which would lead to the full-size image when clicked. (To be clear, the path is: Click on thumbnail— Load scaled full-size (medium-size) image via ajax into a display area above thumbs— Click on medium-sized image— Load full size image via lightbox, or something of that nature.) I have everything working to this point, except, as one might imagine, resizing the full-sized images with css doesn’t maintain aspect ratio for the thumbs, which means I need to find the best way to resize these. In thinking about it, I figured I had two options: I could resize the image on the fly when the user clicks a thumbnail to load the medium-sized image via ajax. (I have a method ‘get_image($url)’ in my gallery controller which simply loads a view with an image tag and the image source passed to it, etc.) I thought perhaps I could send it first to my gallery model, resize it there on the fly, and send it on to the view. The problem I’m having is that resizing it on the fly and echoing it out gives me the raw image data (I apologize, I don’t know that’s the right term). I’ve tried using data_uris to format the raw data into something echoable, but with no success. Is this method possible? The second option I considered was to generate a second medium-sized thumbnail when the user uploads the image with maintain_ratio set to true. This method is slightly less ideal, given that when providing a way for the user to delete their projects, I’ll need to scan for an additional set of images to delete. Not a huge deal, definitely, but something I figured could be avoided by generating the medium-sized image on the fly. I hope I’ve been clear in my explanations, if long-winded! I’m very curious to see what suggestions folks have about the best way to handle this. Much thanks for reading, and any suggestions are much-appreciated! Steve K.

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  • iPad Simulator WebView/Google Maps API Issue

    - by EagleOfToledo
    I've only recently updated XCode to 3.2.2 and started to play with the iPad simulator. I am having an issue with a WebView. I am using it to load a url with a Google Maps API implementation. The map loads and displays properly but when I try and click and drag on it to pan the map around instead of the map being panned the whole webview is scrolled vertically, revealing the dark grey background. When I release it it bounces back into place. Also when I hold the option key down to pinch the map it does not respond. If I load the map.google.com page the map pans just fine and is responsive, but not my one. No special code here, just the usual NSUrlRequest. It works fine in the iPhone simulator, but not the iPad simulator. User Interaction Enabled is also checked. Any thoughts on why this is happening?

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  • How to quickly determine whether a file is an image file using iPhone/iPad SDK

    - by Josh Bleecher Snyder
    If I have a (potentially largish) file on disk, and I want to determine quickly whether UIImage will be able to load it. I don't necessarily trust the file extension to be reliable; I need to look at the actual data. I can (of course) load it into a UIImage, but that's relatively slow and rather memory intensive. I'd rather just peek at the first chunk of the file and make a decision. What's the fastest, most efficient way to go about this that is still fairly reliable? (Ideally, it'd be an Apple-provided API, but I didn't turn one up in my searches.) A 99.9% solution is good enough; I'm willing to have false positives in rare cases, such as when an image file has been truncated.

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  • Tomcat server (from XAMPP package) CANNOT BE started from Eclipse

    - by SkyEagle888
    I am using Windows 7. I installed Eclipse and updated to include WPT. HTTP Server and Tomcat are installed with XAMPP Package. They run properly and they can be accessed via localhost. But I found that tomcat server CANNOT BE STARTED. Eclipse always reports failed to start. at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:412) Caused by: java.lang.UnsatisfiedLinkError: org.apache.tomcat.jni.Pool.create(J)J at org.apache.tomcat.jni.Pool.create(Native Method) at org.apache.tomcat.util.net.AprEndpoint.init(AprEndpoint.java:589) at org.apache.coyote.http11.Http11AprProtocol.init(Http11AprProtocol.java:107) at org.apache.catalina.connector.Connector.initialize(Connector.java:1058) at org.apache.catalina.core.StandardService.initialize(StandardService.java:677) at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:795) at org.apache.catalina.startup.Catalina.load(Catalina.java:535) at org.apache.catalina.startup.Catalina.load(Catalina.java:555) ... 6 more* Is there anything that I can check ?

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  • Preload/predisplay tiles in a CATiledLayer?

    - by jemmons
    On the iPhone (though I imagine it's an equally valid question in Cocoa) I have a UIScrollView around a UIView backed by a CATiledLayer. The way it works by default is to load any uncached/unfetched tiles when my viewport scrolls over a blank section of the CATiledLayer. What I would like to know is if there's a way to trigger CATiledLayer to load a tile that's not actively being displayed? I would like to, for example, preload all tiles contiguous to the currently displayed tile while they are still offscreen, thus avoiding flashing a blank screen that fades in to the image once it's loaded asynchronously. Any ideas?

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  • What does a Software Developer actually do?

    - by chobo2
    Hi I am graduating from my Computer Science degree in a few weeks from now!! I started to look for my first job. For the last couple years I gotten really into web programming(Asp.net). My first choice would be to get a junior asp.net MVC developer but I don't any companies in my area use MVC yet or if they do they are not hiring. So my second choice would be a junior asp.net Webforms developer. My other choices after that would be forms applications, mobile applications using .Net and C#. As you can see I am looking for something with .Net. I spent the last couple years doing .Net projects for school, on my free time and love the Language and it would pain me right now to switch to something like php. So now I found a posting in my area for an Entry Software Developer. I like the fact that they are using .net and that it is entry job(I never worked in this industry and never had more then like a tutoring job so I want to for like intermediate jobs). Posting Are you looking for an exciting challenge within a dynamic, people-oriented culture where you can launch your technical career? Company Name Inc. is a technology consulting company, located in Canada, that designs, develops, and delivers real-time interactive applications accessed via the Internet as well as back-end tools to support these applications. Company Name provides a combination of out-of-the-box and customized solutions to an expanding list of partners and customers. POSITION SUMMARY As a member of our team, the successful candidate will be responsible for helping us increase the quality and stability of our software systems by working jointly and directly with both the Software Development teams and the QA Team. The primary mission of this role will be to substantially enhance our test automation suite. The incumbent will design and program automated tests (unit, integration, system, stress and load) in Visual Studio using C# and will develop sound processes that help us identify and resolve defects as early as possible. The successful incumbent will help us improve and enhance system functionality, reliability, performance and scalability. This role is specifically designed for an eager, bright, new graduate who is looking for a stepping stone into a software engineering role. We promote from within and invite new graduates to apply for this important position - which may lead to new opportunities. We also offer a generous professional development plan to help you on your way. You will be a key part of a team of experts that is responsible for improving the quality of our software by: • Designing, writing, and executing test plans and programmatic tests in Visual Studio using C# and NUnit for functional testing of our code, new features, regression, and performance test procedures. • Working with the engineers to design and build the stress and load testing framework which emulates tens and even hundreds of thousands of concurrent users via a distributed network interfacing with our Load Testing Lab. • Interfacing with both the Development Team and the QA Team to ensure risks are identified and managed. • Mentoring and leading the QA Team in programmatic test automation technologies and tools. MUST HAVE SKILLS / QUALIFICATIONS: • Diploma or higher Degree in Computer Science, or equivalent formal training. • Fundamental C# programming skills. • Knowledge of Internet technologies and Microsoft Windows platforms. • Knowledge of PC hardware. • Excellent communication skills (both oral and written). • Self-starter who takes initiative, requires minimal supervision, can handle multiple simultaneous tasks. • Detail-oriented, able to concentrate, and work quickly. • Proven diagnostic, analytical, and problem solving skills. NICE TO HAVE SKILLS: • Exposure to Visual Studio Team System or Visual Studio Test Edition. • Exposure in C# using NUnit. • Exposure to NUnit, HTTPUnit, and other automation tool suites. • Exposure to Performance/Stress/Load Testing. • Good understanding of relational databases (MS SQL Server). • Familiar with video and online multi-player games. As part of our team you will have the opportunity to work with a supportive team of experts, drive your own success, and ride the wave as we continually expand our team of experts. If you are interested in this opportunity, please send your resume to [email protected] with “Entry Level Software Developer” in the subject line. So that is the posting. To me it sounds like it is QA job. I don't have anything against QA jobs but alot of them seems to be your just clicking buttons and running scripts. Is this what a typical software developer does? Like I am so on the fence to apply for this job. On one side I am not sure how much programming I would be doing. Like I want to be at least half the time programming otherwise my skills will never improve since I will never be programming in teams and stuff. At the same time I have no experience in the industry so on the other side I am thinking just go for it and then maybe a year later try to get a full programming job(provided that I got the job). Yet if I am not programming in that job then that experience will not help me for the next job I find as I will be back a square one.

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