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  • Etiquette for refactoring other people's sourcecode?

    - by Prutswonder
    Our team of software developers consists of a bunch of experienced programmers with a variety of programming styles and preferences. We do not have standards for everything, just the bare necessities to prevent total chaos. Recently, I bumped into some refactoring done by a colleague. My code looked somewhat like this: public Person CreateNewPerson(string firstName, string lastName) { var person = new Person() { FirstName = firstName, LastName = lastName }; return person; } Which was refactored to this: public Person CreateNewPerson (string firstName, string lastName) { Person person = new Person (); person.FirstName = firstName; person.LastName = lastName; return person; } Just because my colleague needed to update some other method in one of the classes I wrote, he also "refactored" the method above. For the record, he's one of those developers that despises syntactic sugar and uses a different bracket placement/identation scheme than the rest of us. My question is: What is the (C#) programmer's etiquette for refactoring other people's sourcecode (both semantic and syntactic)?

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  • Avoiding unsafe cast for generic situation involving runtime passing of class

    - by Bart van Heukelom
    public class AutoKeyMap<K,V> { public interface KeyGenerator<K> { public K generate(); } private KeyGenerator<K> generator; public AutoKeyMap(Class<K> keyType) { // WARNING: Unchecked cast from AutoKeyMap.IntKeyGen to AutoKeyMap.KeyGenerator<K> if (keyType == Integer.class) generator = (KeyGenerator<K>) new IntKeyGen(); else throw new RuntimeException("Cannot generate keys for " + keyType); } public void put(V value) { K key = generator.generate(); ... } private static class IntKeyGen implements KeyGenerator<Integer> { private final AtomicInteger ai = new AtomicInteger(1); @Override public Integer generate() { return ai.getAndIncrement(); } } } In the code sample above, what is the correct way to prevent the given warning, without adding a @SuppressWarnings, if any?

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  • Listview navigation behaviour in an xbap versus a standalone app

    - by J W
    Hello, I have an wpf application which contains a listview. When the application runs as a standalone I can navigate through the list with the arrow up and the arrow down keys on the keyboard. When the application is deployed as an XBAP and runs in a browser window I can do this too but when I for example reach the top element and press the up arrow key one more time the focus jumps to the url bar in the browser. Does anyone know if there’s an easy way to prevent this? Thanks.

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  • A way around XSS?

    - by rushonerok
    In my page I have an script reference to the autoHeight.js file below. I also have an iframe that I want to resize using this code. In firebug I get this error Error: Permission denied for <http://www.siena.edu> to get property HTMLDocument.body from <https://siteframework.siena.edu>. Source File: https://siteframework.siena.edu/FormManager/action/v2/autoHeight.js Line: 4 I am assuming it is because they are on different domains that it won't execute it. This is to prevent XSS right? Is there a way around it?

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  • Java OpenGL color material darkens when depth test is disabled

    - by Jeff Storey
    I've been working with the depth buffer in OpenGL (JOGL) to ensure certain items are rendered in front of others by disabling the depth buffer (detailed in my previous question http://stackoverflow.com/questions/2516086/java-opengl-saving-depth-buffer). This works, except when I set the color of an item that is being drawn when the depth test is disabled, none of the material shininess shows up. The item is rendered as a darker version of the original color (it seems like there is no lighting effect really applied to it). Is there a reason why this would be happening? and how might I prevent this? thanks, Jeff

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  • Can someone explain ORA-29861 error in plain english and its possible cause?

    - by hko19
    I have an application implemented in Grails framework using underlying Hibernate. After it runs for a while, I got an Oracle DB error and resolved it by rebuilding the offending index. I wonder if anyone can propose the possible cause(s) and ways to prevent it from happening. Caused by: org.springframework.jdbc.UncategorizedSQLException: Hibernate operation: Could not execute JDBC batch update; uncategorized SQLException for SQL [update RSS_ITEM set guid=?, pubdate=?, link=?, rss_source_id=?, title=?, description=?, rating_raw=?, rating_tuned=?, date_created=?, date_locked=? where RSS_ITEM_ID=?]; SQL state [99999]; error code [29861]; ORA-29861: domain index is marked LOADING/FAILED/UNUSABLE ; nested exception is java.sql.BatchUpdateException: ORA-29861: domain index is marked LOADING/FAILED/UNUSABLE

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  • How to implement eCommerce susbscription service with multiple products

    - by Todd Brooks
    I've been researching eCommerce payment gateways and service offerings, but I'm an eCommerce novice, so please excuse my ignorance. I wish to set up an eCommerce solution with the following requirements: User "subscribes" to the service on a yearly basis. This service includes a single product subscription for a set amount (let's say $50/yr). User can "subscribe" to additional product services for a lesser rate per year (let's say $25/yr). I will need to store a product service unique Id of some sort for each product subscription the user subscribes to in order to show them product unique information. I also need to prevent duplicates...for example, user can subscribe to product ABC and XYZ, but not 2 of ABC. Is PayPal the best solution for something like this? Is there a better solution? Any assistance is greatly appreciated, even if just links to specific tutorials or examples. Update: It looks like Chargify could be the perfect solution.

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  • How to throttle login attemps in Java webapp?

    - by Jörn Zaefferer
    I want to implement an efficient mechanism to throttle login attemps in my Java web application, to prevent brute-force attacks on user accounts. Jeff explained the why, but not the how. Simon Willison showed an implementation in Python for Django: That doesn't really help me along as I can't use memcached nor Django. Porting his ideas from scratch doesn't seem like a great either - I don't want to reinvent the wheel. I found one Java implementation, though it seems rather naiive: Instead of a LRU cache, it just clears all entries after 15 minutes. EHCache could be an alternative for memcached, but I don't have any experience with it and don't really want to intoduce yet another technology if there are better alternatives for this task. So, whats a good way to implement login throttling in Java?

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  • Android: Ringer mode changed to silent doesn't stop the phone vibrating

    - by Flo
    I'm trying to change the ringer mode of the phone to RINGER_MODE_SILENT when a call is incoming by using the following lines of code. AudioManager am = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE); am.setRingerMode(AudioManager.RINGER_MODE_SILENT); While the phone stops ringing it continue to vibrate although the documentation of RINGER_MODE_SILENT says it should also stop vibrating. I'm using the SDK 1.6 UPDATE: As I didn't find a solution yet, I tried to deactivate the vibration settings manually. am.setVibrateSetting(AudioManager.VIBRATE_TYPE_RINGER, AudioManager.VIBRATE_SETTING_ONLY_SILENT ); But this also doesn't prevent the phone form vibrating when a call is incoming. Any ideas?

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  • Pair programming tools that are not remote

    - by JonathanTech
    I am currently in a job where we practice serious pair programming on windows machines. We both have a set of keyboards, mice, and we have two monitors, which works well for switching who's the driver really easy, but there are some points in the session that I would like to start writing tests at the same time that my pair is writing implementation. I am wondering if there is any program that would allow me to have effectively two cursors and keyboard focuses on the same computer. If they don't exist then I am willing to experiment with my own solution, but I would like input as to how to best accomplish this. I am most familiar with .Net 3.5 technologies, but I also know Java and am willing to learn C++ to solve this problem. If I was creating the solution myself I would go down the road of being able to grab the input of one hardware device (i.e. a specific mouse that's installed) and prevent Windows from moving the pointer, and instead move my own programs pointer independently.

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  • Figuring if a link is clicked on a webView - iPhone

    - by Uygar
    Hi, I am using a custom webview to show a tabbar when user touches on the webview. But when I clicked on a link in a webview, tabbar is shown for a little time and then page loads. I am using this custom webview to detect touch: http://github.com/psychs/iphone-samples/blob/b772b963f2acf18d478b41b44555992fcd8d4f31/WebViewTappingHack/Classes/PSWebView.m Can I detect if a link clicked or not? Because a link stands on the webview, webview detects the touch and also it loads the page... I want to prevent it. Thanks in advance.

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  • jQuery: Handling background/container click

    - by aximili
    I have a big div, and a small button inside the div. When the div is clicked, I want it to do something. When the button is clicked, I want it to do something else. $('#myDiv').click(OnDivClicked); $('#myButton').click(OnButtonClicked); Currently when the button is clicked, both OnDivClicked and OnButtonClicked are fired. How do you prevent OnDivClicked getting fired when the button is clicked? Thanks in advance.

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  • mouse over and ajax tooltip

    - by vichet
    I have a number of links which I would like to get some information by using ajax calls and display the information as tooltip. I have bind the function that make the ajax call with the event on mouseover of the link something like: $('#div a').bind('mouseover', function () { //sending the ajax call } everything looks/work fine except, when the user unintentionally move the mouse pointer over all the links, I saw that there are many ajax calls. so my question how can I prevent the ajax call unless the users hover the mouse pointer on the link for at least 3 or 4 seconds first.

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  • Flex 3.5 Accordion and TabNavigator selectedIndex Bug

    - by majgis
    I'm using Flex 3.5 with Adobe Flex Builder 3. I have found that if you very rapidly click between multiple headers of an accordion component or the tabs of TabNavigator, these components will begin to exhibit odd, unexpected behavior. Once this behavior has been evoked, even trying to set the selectedIndex programmatically does not end in the desired result. Specifically, if set the selectedIndex to zero (or click on the first tab/header) it might temporarily hop to that index but then will finish on a different index. Has anyone else experienced this behavior and do you know of a patch that can prevent the user from getting in a situation where the tab/header they click on is not the one made visible?

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  • iPhone UIScrollView - How to animate scrolling with steady contents?

    - by timbos
    Hi all, I'm wondering if anyone knows how to prevent the contents of a uiscrollview from moving unsteadily when scrolling manually by setting the content offset. When scrolling by touch the text remains clear and steady. I would like to recreate this by animating with the animated option set to false. I'm using a timer to scroll at a given interval. The text is being drawn to a view in the contents, but it vibrates and it becomes more difficult to read clearly when animating at a greater speed. The speed varies and the scrolling must respond to changes in speed quickly. Here's some code - - (void) scrollIncrAmt:(float) amt { _currentSpeedIncr = amt; NSArray* arr = [SharedTickerInfo sharedTickerInfo].sDataArray; DataObj* tdObj = [arr objectAtIndex:_row]; if ( ![tdObj isDirLeft] ) { amt = -amt; } float scrollTo = self.scrollView.contentOffset.x + amt; [scrollView setContentOffset:CGPointMake(scrollTo, 0.0f) animated:NO]; }

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  • In what case does IE8 block Javascript and how to avoid it ?

    - by e-satis
    I got a web site using jQuery, jQuery Tools and some handcrafted JS running performing graphical enhancements. While it's running smooth on FF, Safari and Chrome, IE blocks the script execution : There is nothing particularly more dangerous on this code than, let's say, on Netvibes. Why is even talking about activeX ? I'm using JS. And how can I prevent that ? I don't want my user to click on "I allow this website" to work. It would be like putting a big red absolute DIV reading "Live quick and never come back".

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  • Stop a custom submit button from firing the form validation on a CCK form

    - by kidrobot
    I've added a submit button inside a fieldgroup on a CCK form using hook_form_alter as follows: function mymodule_form_alter(&$form, $form_state, $form_id) { if ($form_id == 'object_node_form') { $form['group_wikipedia']['search'] = array( '#type' => 'submit', '#value' => t('Search Wikipedia'), '#name' => 'searchwiki', '#submit' => array('mymodule_searchwiki_submit'), ); } } When I press the button, the validation handlers for the full form eg. checks for required fields, run as though I have pressed the 'Submit' button at the end of the form. I thought that changing the #name property from 'op' to 'searchwiki' would prevent this kind of mix-up, but not so. Does anyone know a workaround for this?

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  • How to access the Principal from a Java service object without using FlexContext?

    - by Marplesoft
    We're building some Java objects that are exposed via BlazeDS to our flex client application. So basically the BlazeDS messagebroker servlet instantiates and invokes methods on these objects in response to client requests. Works great. We're using app server-based authentication and have set up a security constraint on the <destination> elements in the remoting-config.xml file element to prevent unauthenticated clients from being able to access these remote java objects. Again, works fine. However, there are several places within the implementation of these java objects where we want to get the currently logged on user's username. Right now we are doing this via FlexContext.getUserPrincipal(), which gives access to this but we have a nagging concern that we don't like the idea that the implementation of these objects (the service layer) has a hard dependency on a BlazeDS class. But we're not sure how else to get access to this. The same applies to accessing the ServletContext and such. Any ideas?

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  • XElement Add function adds xmlns="" to the XElement

    - by JJoos
    I have a function which generates xml for a list object: public XDocument ToXML() { foreach (var row in this) { var xml = row.ToXml(); template.Root.Add(xml); } return template; } The template.ToString() reads: <RootElement xmlns="urn:testTools"> The xml reads: <Example><SubElement>testData</SubElement></Example> After the add function has executed the template.ToString() reads: <RootElement xmlns="urn:testTools"><Example xmlns=""><SubElement>testData</SubElement></Example> So for some reason there was an empty namespace added, how can i prevent it from doing so?

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  • JQuery UI: Disable accordion tab?

    - by Rosarch
    I have a JQuery UI accordion that contains different parts of the user workflow. I would like to disable accordion "tabs" that the user hasn't reached yet. (So if the user hasn't signed in yet, he can't yet publish content, etc.) Then, as the user completes the necessary steps, more tabs will become enabled. Is there a way to do this? This doesn't work, even as a way to prevent any tabs from changing: $("#accordion").accordion({ changestart: function(event, ui) { return false; } });

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  • Why does WPF toggle button pulse once unchecked

    - by randyc
    Wihtin a Desktop app I have a toggle button: For the Checked event I am setting a value and then executing a method FilterView(); //ommitting code Unchecked state is just the opposite. resets a variable and executed the method again The question I have is I noticed when I uncheck the toggle button the button continues to pulse or flash ( going from blue to chrome) as if it still has focus. The button will stay like this until another button is clicked. Is there a way to remove this focus so that when the button is unchecked the button goes back to a unchecked state without the flashing / pulsing color. As you can see from above this is a standard toggle button no styles or custom I tested this on just a regular button and I found the same occured when clicked the button will continue to pulse / flash until another button is clicked. How do you work around this or prevent this effect from happening. Thank you

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  • CRM 2011 XAML Workflows in VS 2012

    - by AlexR
    I'm writing this knowing there's another topic like this to be found here the answer provided however does not make much sense to me and whatever I tried doesn't seem to work so I'm seeking clarification. The situation is as follows: * New CRM 2011 toolkit solution * New project added for Xaml workflow * Adding CRM "Workflow" activity causes error The error: It shows a redbox "Could not generate view for Workflow" The Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. --- System.IO.IOException: Cannot locate resource 'workflowdesigner.xaml' I have VS 2012 SP2 with the latest (June) CRM SDK Toolkit installed. I did a clean install of the toolkit so it's not "upgraded" to prevent any old assemblies being referenced. I tried the things from the referenced question and moved the assemblies over and also re-referenced the latest assemblies to make sure everything works fine. I also tried downloading a workflow XAML created in CRM and opening but it gives the same error. I also opened the "example" workflow XAML solution in the SDK, again same result.

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  • XAML Serialization object not using asp.net shadow copy

    - by mrwayne
    Hi, I'm having a problem where i use the XAML serializer / deserializer for a configuration type file that i have. The problem that i'm getting, is that the XAML serializer is returning objects from the assembly in the /Bin directory, while the rest of the web application is using assembly's stored in the ..../Temporary Files/.. directory. Is there any way to prevent this from happening? Is this a bug in the XAML serializer / assembly loading routines? Every time i compile i need to stop and start the asp.net application so the shadow copy and the bin are exactly the same file. Even when not making a change to the dll and recompiling still causes the problem. Any thoughts on how to get around this problem? Currently i've tried turning shadow copy off, but then i have the same problem of needing to shut down / start up the web app every time i compile. Help!

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  • Conflicting PACKAGE_NAME and other macros when using autotools.

    - by baol
    When using autotools (with a config.h file) for both a library and a software built on that library the compiler complains about a redefinition of some macros (PACKAGE_NAME, PACKAGE_TARNAME and so on). How can I prevent this? The config.h file is needed in the library to propagate it's setting to the software that use it. Right now I have a wrapper script library_config.h that includes the original config.h and provides defaults when the user is not using autotools, but even undefining the macros in that package I get the redefinition warning from gcc. #ifndef LIB_CONFIG_H #define LIB_CONFIG_H #ifdef HAVE_CONFIG_H # include "config.h" # undef PACKAGE # undef PACKAGE_BUGREPORT # undef PACKAGE_NAME # undef PACKAGE_STRING # undef PACKAGE_TARNAME # undef PACKAGE_VERSION # undef VERSION #else # if defined (WIN32) # define HAVE_UNORDERED_MAP 1 # define TR1_MIXED_NAMESPACE 1 # elif defined (__GXX_EXPERIMENTAL_CXX0X__) # define HAVE_UNORDERED_MAP 1 # else # define HAVE_TR1_UNORDERED_MAP 1 # endif #endif #endif I believe the best option would be to have a library without that macros: How can I avoid the definition of PACKAGE, PACKAGE_NAME and so on in the library when using autotools?

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  • c# gridview row click

    - by Martijn
    When i click on a row in my gridview, i want to go to a other page with the id i get from the database. In my RowCreated event i have the following line: e.Row.Attributes.Add("onClick", ClientScript.GetPostBackClientHyperlink(this.grdSearchResults, "Select$" + e.Row.RowIndex)); To prevent error messages i have this code: protected override void Render(HtmlTextWriter writer) { // .NET will refuse to accept "unknown" postbacks for security reasons. Because of this we have to register all possible callbacks // This must be done in Render, hence the override for (int i = 0; i < grdSearchResults.Rows.Count; i++) { Page.ClientScript.RegisterForEventValidation(new System.Web.UI.PostBackOptions(grdSearchResults, "Select$" + i.ToString())); } // Do the standard rendering stuff base.Render(writer); } My question is, how can i give a row a unique id (from the DB) and when i click the row, another page is opened (like clicking on a href) and that page can read the id. Thnx

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