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Articles indexed Sunday May 9 2010

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  • Google AppEngine + Local JUnit Tests + Jersey framework + Embedded Jetty

    - by xamde
    I use Google Appengine for Java (GAE/J). On top, I use the Jersey REST-framework. Now i want to run local JUnit tests. The test sets up the local GAE development environment ( http://code.google.com/appengine/docs/java/tools/localunittesting.html ), launches an embedded Jetty server, and then fires requests to the server via HTTP and checks responses. Unfortunately, the Jersey/Jetty combo spawns new threads. GAE expects only one thread to run. In the end, I end up having either no datstore inside the Jersey-resources or multiple, having different datastore. As a workaround I initialise the GAE local env only once, put it in a static variable and inside the GAE resource I add many checks (This threads has no dev env? Re-use the static one). And these checks should of course only run inside JUnit tests.. (which I asked before: "How can I find out if code is running inside a JUnit test or not?" - I'm not allowed to post the link directly here :-|)

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  • managing images in an iphone/ipad universal app

    - by taber
    Hi, I'm just curious as to what methods people are using to dynamically use larger or smaller images in their universal iPhone/iPad apps. I created a large test image and I tried scaling down (using cocos2d) by 0.46875. After viewing that in the iPhone 4.0 simulator I found the results were pretty crappy... rough pixel edges, etc. Plus, loading huge image files for iPhone users when they don't need them is pretty lame. So I guess what I will probably have to do is save out two versions of every sprite... large (for the iPad side) and small (for iPhone/iPod Touch) then detect the user's device and spit out the proper sprite like so: NSString *deviceType = [UIDevice currentDevice].model; CCSprite *test; if([deviceType isEqualToString:@"iPad"]) { test = [CCSprite spriteWithFile:@"testBigHuge.png"]; } else { test = [CCSprite spriteWithFile:@"testRegularMcTiny.png"]; } [self addChild: test]; How are you guys doing this? I'd rather avoid sprinkling all of my code with if statements like this. I want to also avoid using .xib files since it's an OpenGL-based app. Thanks!

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  • SD card initialization SPI

    - by Openavr
    Hi People I saw a lot of infos about MMC/SD cards and I tried to make a lib to read this.. (modifying the Procyon Avrlib) But I have some problems here. I Don´t change the original code and tried here. My problem is about the init of SD card. I have 2 here, a 256mb and another 1GB. I send the init commands like this order: CMD0, CMD55, ACMD41, CMD1 But SD 256mb returns me only 0x01 response for each command.. the CMD1 i send a lot of times, SD 256mb always returs only 0x01.. never 0x00. The SD 1GB is more crazy... CMD0 returns with 0x01 ..nice but the CMD55 response with 0x05... another times responde with 0xC1... and another ones response 0xF0 with a 0x5F in the next interation... Around internet have infos and examples, but a bit of confused. Here in my project, I must use 1GB card and I´m trying with a MicroSD with a SD Adapter (I think that this is not the problem). Please any help are apreciate! Regards PS - my problem like the problem from this guy http://stackoverflow.com/questions/2365897/initializing-sd-card-in-spi-issues but his solution don´t solved my problem.. The SD1GB returns only 0x01 ever... :cry:

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  • Cloning Windows 2003 Server to new hard drive results in failure

    - by Level1Coder
    Scenario: Old hdd is a Seagate 320gb SATA drive New hdd is a WD 320gb SATA drive Created an exact clone and replaced old hdd with new hdd. Boot up with new hdd, it gets into Windows 2003 server environment but things look weird. Lots of system event failures in the event viewer log. System is barely unusable, critical services are all down. Boot up with old hdd, everything is fine. QUESTION: Is it possible to do a simple clone of a Windows 2003 server system? All I'm changing is the hard drive, everything else stays the same (old CPU/old mobo/etc..)

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  • best way to externalize HTML in GWT apps?

    - by Limbic System
    What's the best way to externalize large quantities of HTML in a GWT app? We have a rather complicated GWT app of about 30 "pages"; each page has a sort of guide at the bottom that is several paragraphs of HTML markup. I'd like to externalize the HTML so that it can remain as "unescaped" as possible. I know and understand how to use property files in GWT; that's certainly better than embedding the content in Java classes, but still kind of ugly for HTML (you need to backslashify everything, as well as escape quotes, etc.) Normally this is the kind of thing you would put in a JSP, but I don't see any equivalent to that in GWT. I'm considering just writing a widget that will simply fetch the content from html files on the server and then add the text to an HTML widget. But it seems there ought to be a simpler way.

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  • Strange calculation problem in C multiply by 1.2 fails

    - by DoomStone
    I have this c code, where i need to calculate a dobule from a long. double result; long t2_value; t2_value = 72; result = t2_value * 1.2; Now this code crashes at "result = t2_value * 1.2;" only with the error "Vector 0000000006". Here is the strange thing, if i replace result = t2_value * 1.2; with result = 72 * 1.2; evything works just as it should, i have tryed type casting t2_value as an double result = ((double)t2_value * 1.2); or making it an int istead of a long, but nothing helps.

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  • Android AudioRecorder object wont read from microphone.

    - by supersk
    I'm trying to build a voip application on a new android device, i use AudioRecorder to read the microphone but I'm getting no valid results, just white noise. This happen only on this new device(other work well) and this is probably because this device has PTT ability. Is there some workaround to avoid using AudioRecoder to receive streaming data from the microphone? Thanks. supersk.

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  • Combinatorics grouping problem

    - by Harry Pap
    I'm looking for an algorithm in c# that solves a combinatorics problem: Assume i have the objects 1,2,3,4 I want to get all possible ways to group these object in multiple groups, that each time contain all objects. Order is not important. Example: <1,2,3,4 <1,2 / 3,4 <1,3 / 2,4 <1,4 / 3,2 <1,2,3 / 4 <1,2,4 / 3 <1,3,4 / 2 <2,3,4 / 1 <1 / 2 / 3 / 4 In the first case there is one group that contain all 4 objects. Next are cases with 2 groups that contain all objects in many different ways. The last case is 4 groups, that each one contains only one object.

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  • exceptions thrown terminate the script?

    - by fayer
    i wonder if exceptions that are thrown in php will terminate the script in php? cause when i save an entry that is already created in doctrine it throws an exception. i catch the exception and ignore it (so that the user won't see it) but the script seems to be terminated. is there a way to catch the exception and keep the script alive? thanks

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  • Can't launch asp.net mvc 2 application from iis 7.5

    - by StuffHappens
    Hello. I'm trying to launch my mvc 2 application from iis 7.5 and get HTTP 403.14 - Forbidden error. That's what I did: 1. Went to add or remove windows fitures checked iis, asp.net, http redirect. Installed all this stuff. 2. Launched Visual studio 2010 (release), created standart mvc 2 project and published it in default web site/ApplicationName 3. Set default DefaultAppPool .Net version to 4.0. I'm the only user of the computer and have admin rights. What might be wrong? Thank you for your help.

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  • Automating Etrade

    - by iAlexTsang
    Hey everyone, I was wondering how would I start programming an interface to trading stocks in Etrade in python. I am attempting to make an automated trading bot, but there is no api publicly available for automated trading with Etrade. Thanks in advance. ^^

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  • Binding Listbox Items

    - by Sergio
    Hi, I have a user with it's roles, it's an entitycollection. I have a ListBox that has all possible roles, and I have them like checkboxes, but I want to bind the IsChecked property of each one to check if the user has the role. Something like IsChecked={Binding Roles.Contains}

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  • REST Authentication in PHP (CodeIgniter)

    - by zidane
    I writing REST API form my web application. Application is written using CodeIgniter framework. Application itself is working fine, but I'm stuck on making REST Authentication. I think that basic Http Authentication will be good enough for some time. Public API is not yet planned. Is there any code example how to achieve REST Authentication so after user is authenticated he can freely call all protected methods.

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  • Microsoft ReportViewer Web Control Requiring a ScriptManager

    - by Maya
    I'm trying to render the report viewer programmatically within a custom Page placed in an IHttpHandler context ReportViewer rv = new ReportViewer(); ReportDataSource rds = new ReportDataSource(); rds.Name = "Report"; rv.LocalReport.ReportPath = "Report.rdlc"; rds.Value = SomeReportObject; rv.LocalReport.DataSources.Add(rds); rv.LocalReport.Refresh(); ScriptManager scriptHandler = new ScriptManager(); MyPage p = new MyPage(); p.Controls.Add(scriptHandler); p.Controls.Add(rv); using (TextWriter myTextWriter = new StringWriter()) { using (HtmlTextWriter myWriter = new HtmlTextWriter(myTextWriter)) { p.RenderControl(myWriter); } } Although I have the ScriptManager added to the page but the runtime complains that the ReportViewer needs one, it throws the following exception at p.RenderControl(myWriter) line The Report Viewer Web Control requires a System.Web.UI.ScriptManager on the web form. And this is the MyPage Class public class MyPage : Page { public override void VerifyRenderingInServerForm(Control control) { //Empty Method } public override bool EnableEventValidation { get { return false; } set { /* Do nothing */} } } Any help would be very appreciated. This is done on .NET 4 and I'm using ReportViewer 2010. Many thanks, Maya.

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  • How to dislpay Kannada (Indic) Fonts in a Java application

    - by AJ
    I am trying to dislplay a kannda character in a Java app. String fonts[] = ge.getAvailableFontFamilyNames(); This shows that there is a font family by name "BRH Kannada" Font f = new Font("BRH Kannada", Font.PLAIN, 20); and then I do button.setFont(f); now when i set the button text, i have to ideally get the text on button to use the BRH kannada font. However, what and how should i give the string as? Rgds, AJ

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  • How to create a "sidebar" in Umbraco CMS?

    - by usr
    In Umbraco, every page has a content field that you can edit in the admin-area. What I want would be a second content field that I (actually my customer who will be editing the content by himself) can edit on every page. I would then create a masterpage/template that contains the two content areas (the first one as the main content and the second one as the sidebar). At least this is how I would do it. Is this possible or is there even a better approach for having a main content and a separate sidebar on every page?

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  • scrolling and css align with "right: 0px"

    - by Gabi
    Hello, In an HTML page, if I align some <div>s with "right: 0px", they all look very nice, as I expect. However, if I make the browser window smaller and the horizontal scroll bar appears, when I scroll the page to the right, I see an unexpected white space (instead of the background colors of my <div>s). It seems that my <div>s are aligned relative to the visible area of the page. See the sample code below: <html> <head> <style> <!-- #parent { position: absolute; left: 0px; right: 0px; top: 0px; bottom: 0px; background-color: yellow; } #child { position: absolute; left: 100px; top: 300px; width: 1000px; height: 400px; background-color: blue; } --> </style> </head> <body> <div id="parent"><div id="child">some text here</div></div> </body> </html> Is there any way to make the "right: 0px" property align the controls relative to the size of the entire page, not only the visible area? Thanks.

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  • `.' cannot appear in a constant-expression

    - by Amir Rachum
    Hi all, I'm getting the following error: `.' cannot appear in a constant-expression for this function (line 4): bool Covers(const Region<C,V,D>& other) const { const Region& me = *this; for (unsigned d = 0; d < D; d++) { if (me[d].min > other[d].min || me[d].max < other[d].max) { return false; } } can anyone explain the problem please?

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  • Django - partially validating form

    - by aeter
    I'm new to Django, trying to process some forms. I have this form for entering information (creating a new ad) in one template: class Ad(models.Model): ... category = models.CharField("Category",max_length=30, choices=CATEGORIES) sub_category = models.CharField("Subcategory",max_length=4, choices=SUBCATEGORIES) location = models.CharField("Location",max_length=30, blank=True) title = models.CharField("Title",max_length=50) ... I validate it with "is_valid()" just fine. Basically for the second validation (another template) I want to validate only against "category" and "sub_category": In another template, I want to use 2 fields from the same form ("category" and "sub_category") for filtering information - and now the "is_valid()" method would not work correctly, cause it validates the entire form, and I need to validate only 2 fields. I have tried with the following: ... if request.method == 'POST': # If a filter for data has been submitted: form = AdForm(request.POST) try: form = form.clean() category = form.category sub_category = form.sub_category latest_ads_list = Ad.objects.filter(category=category) except ValidationError: latest_ads_list = Ad.objects.all().order_by('pub_date') else: latest_ads_list = Ad.objects.all().order_by('pub_date') form = AdForm() ... but it doesn't work. How can I validate only the 2 fields category and sub_category?

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