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• How do I shim a Excel automation addin that implements IDTExtensibility2 but is not a com add in?

  - by Shane

  I found this article http://blogs.officezealot.com/whitechapel/archive/2005/05/21/4728.aspx but the example given is a straight automation add-in that does not implement IDTExtensibility2. My add in implements IDTExtensibility2 to get access to the excel object model but is not installed as a COM add in so RegisterFunction for example will called when one of the add in functions is first used not when the excel starts as in the case of the a COM add in. Will this method described in the link above work in my case also? I tried version 2.3.1 of the shim wizard which seems to have support for automations add-ins (it has a check box for automation add ins in the metadata import process). The generated shim runs (I can see breakpoints being hit in the debugger), but my functions no longer work (i get #NAME). The shims is installed as a COM add in and loads when excel starts so I suspect it's not doing what I want.

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• Does the android market use your merchant API callback URL during the Google checkout process for pa

  - by tootflow

  If I have a paid app on Android Market, will my merchant API callback URL get a hit when the customer goes to check out? I am wondering how merchants/vendors/developers secure their applications for android market. I have used google checkout before to implement a custom integration, so I understand how that all works. What I do not see anywhere that I have looked is what, if any, integration does the merchant/developer have with the Android Market checkout process? I understand that the market uses google checkout, but in that case the market hosts the checkout process and not the merchant, so it's not clear whether they give your URL a call. So where is the hook? Am I right in assuming it is the merchant API callback URL?

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• Update panel in Tab Container

  - by Sam_Cogan

  I have a tab container with 5 tabs, each tab contains an update panel. When the user initially opens the form, they can only see the first Tab, the others are set to visible=false. Once they have completed the first form, the hit save which sends a partial postback to save the data to the DB. Once that is saved, I then want to set all the other tabs to visible, however this does not work at the moment, I am assuming because the tab container is not contained in an update panel. How can I get this to work, do I need to put the tab container in it's own update panel, which will obviously then contain all the other update panels, or should I not use an update panel in the first tab and do a full page postback?

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• Prevent IE caching

  - by Parhs

  I am developing a Java EE web application using Struts. The problem is with Internet Explorer caching. If an user logs out he can access some pages because they are cached and no request is made. If I hit refresh it works fine. Also if an user goes to login page again it won't redirect him because that page is also cached. Two solutions come to my mind: Writing an Interceptor (servlet filter like) to add to response header no-cache etc. Or or put <meta> tags at each page. Which one should I do?

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• How do I dynamically instantiate a class in javascript?

  - by Adam

  I'm starting out with classes in Javascript and have hit a wall. I've looked all over for a tutorial that goes a little further than simply how to construct a class (usually Animal) then extend the class and have a Method do something (Dog alert('Bark');). I have created a class that I want a user to be able to instantiate (is that the right word)? For example the first stage in my program is for the user to give the class a name, and then start to populate the various variables in the class. When they've done that they may do it again many times. So if: var className = new MyObject(); How do I dynamically create the name of the new object className and then refer to it later in the code?

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• first invoke server side code then client side script without using AJAX

  - by v-6vesan

  in a form i have a buttoin, when click both OnclientClick and postback should happen. on clicking the "Email" button a client side "mailto" tag should do the work and pull a new message window on the client's machine. whereas, the email addresses should be invoked by the post back. so , when clicking the button the server side post should happen and on return the client side script should be invokded with the values read during post back, and populate all the email addresses. i need know how to first do a server hit take the values and then execute the client script with those values without using AJAX

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• Referencing a x86 assembly in a 64bit one

  - by Jörg Battermann

  In one project we have a dependency on a legacy system and its .Net assembly which is delivered as a 'x86' and they do not provide a 'Any CPU' and/or 64bit one. Now the project itself juggles with lots of data and we hit the limitations we have with a forced x86 on the whole project due to that one assembly (if we used 64bit/any cpu it would raise a BadImageFormatException once that x86 is loaded on a 64bit machine). Now is there a (workaround)way to use a x86 assembly in a 64bit .net host app? That tiny dependency on that x86 assembly makes and keeps 99% of the project heavily limited.

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• When debugging on WinCE, how can I set Visual Studio to always load symbol files it knows about?

  - by tsellon

  I'm debugging a WinCE, C++ program in Visual Studio across an ActiveSync connection. Every time I start the process it fails to load symbol information. However, if I right click on the module and hit 'Load Symbols' it correctly locates the symbol information without any further prompting from me. Is there a way that I can set Visual Studio to either: (a) automatically load this symbol information, or (b) automatically break the process into the debugger once it's loaded (similar to what windbg does)? I'm guessing there's a setting somewhere, but I've yet to find it. Update: I forgot to mention in the original question that I'm not debugging with the instance of Visual Studio that created the exe.

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• Debugger does not break when debugging PowerShell console

  - by Adam Driscoll

  I'm developing a binary PowerShell module. I have a post build event that copies that module into the 'modules' directory in my "Documents\WindowsPowerShell" folder. I then have the project set to launch PowerShell.exe. My module is loaded via Import-Module and off I go. The problem is my break points are never hit and the debugger does not break on exceptions. If I run PowerShell outside of Visual Studio and then attach the debugger to the process I can break just fine. The other strange this is that my break points are not empty. Typically if different source versions are loaded they will be. I'm running Visual Studio 2010 on a Win 7 box. My module is currently targeting .NET 3.5. I've tried running both the x64 and x86 versions of PS with no luck.

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• Optimizing Smart Client Performance

  - by Burt

  I have a smart client (WPF) that makes calls to the server va services (WCF). The screen I am working on holds a list of objects that it loads when the constructor is called. I am able to add, edit and delete records in the list. Typically what I am doing is after every add or delete I am reloading the entire model from the service again, there are a number off reasons for this including the fact that the data may have changed on the server between calls. This approach has proved to be a big hit on perfomance because I am loading everything sending the list up and down the wire on Add and Edit. What other options are open to me, should I only be send the required information to the server and how would I go about not reloading all the data again ever time an add or delete is performed?

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• Precompile Lambda Expression Tree conversions as constants?

  - by Nathan

  It is fairly common to take an Expression tree, and convert it to some other form, such as a string representation (for example this question and this question, and I suspect Linq2Sql does something similar). In many cases, perhaps even most cases, the Expression tree conversion will always be the same, i.e. if I have a function public string GenerateSomeSql(Expression<Func<TResult, TProperty>> expression) then any call with the same argument will always return the same result for example: GenerateSomeSql(x => x.Age) //suppose this will always return "select Age from Person" GenerateSomeSql(x => x.Ssn) //suppose this will always return "select Ssn from Person" So, in essence, the function call with a particular argument is really just a constant, except time is wasted at runtime re-computing it continuously. Assuming, for the sake of argument, that the conversion was sufficiently complex to cause a noticeable performance hit, is there any way to pre-compile the function call into an actual constant?

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• ASP.NET Request.ServerVariables["SERVER_PORT_SECURE"] and proxy SSL by load balancer

  - by frankadelic

  We have some legacy ASP.NET code that detects if a request is secure, and redirects to the https version of the page if required. This code uses Request.ServerVariables["SERVER_PORT_SECURE"] to detect if SSL is needed. Our operations team has suggested doing proxy SSL at the load balancer (F5 Big-IP) instead of on the web servers (assume for the purposes of this question that this is a requirement). The consequence would be that all requests appear as HTTP to the web server. My question: how can we let the web servers known that the incoming connection was secure before it hit the load balancer? Can we continue to use Request.ServerVariables["SERVER_PORT_SECURE"]? Do you know of a load balancer config that will send headers so that no application code changes are needed?

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• Next track or shuffle in M3U playlist?

  - by Benjamin Oakes

  I have a M3U playlist that has URLs for some MP3s around the web. It's on a server so I can open it on other computers and my iPhone. Unfortunately, all the players I've tried don't let me hit the "next" button to go to the next song in the playlist. Is there a way to specify that ability in the M3U file? Or, if not that, can I make a media player automatically shuffle the playlist? I could always make a script to shuffle it myself, but I'd like to use something built into M3U if it exists.

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• Jquery Table sorter and special characters

  - by kevin

  Hi there, am using jquery tablesorter plugin and in my "country" column i got special characters like this: Índia. The fact is that when i hit the header of the column to sort it, it puts my "Índia" at the end of the column. I guess the nav sees the Í instead of the real "I" with an accent. Any clue on how to make it work even with accents ? Here's the js code in my domready: $.tablesorter.defaults.widgets = ['zebra']; $.tablesorter.defaults.sortList = [[0,0]]; $("table").tablesorter(); Thanks in advance.

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• Dynamic web user control problem when browser's back button is clicked.

  - by White_Sox

  Hi all, I have an .aspx page in which I dynamically add web controls to a panel. The problem is when I hit the browser's back buton, it's displayed a version of the page that no longer exists on the server-side, because the controls are dynamically added. Let's say my aspx dynamically adds Control1. From there, I click a button that loads Control2. At this moment, if I press the browser's back button, it will display the page with Control1, but Control1 no longer exists on the server-side, so if I interact with it, some erractic behaviour will occur. Any ideas on this? Thank you very much.

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• Jquery Accordion Close then Open

  - by Jon

  Hi Everyone, I've set up a number of accordions on a page using the jquery accordion plugin so I can implement expand all and collapse all functionality. Each ID element is it's own accordion and the code below works to close them all no matter which ones are already open: $("#contact, #address, #email, #sales, #equipment, #notes, #marketingdata") .accordion("activate", -1) ; My problem is with the expand all. When I have them all expand with this code: $("#contact, #address, #email, #sales, #equipment, #notes, #marketingdata") .accordion("activate", 0) ; Some will contract and some will expand based on whether or not they are previously open. My idea to correct this was to collapse them all and then expand them all when the expand all was clicked. This code however won't execute properly: $("#contact, #address, #email, #sales, #equipment, #notes, #marketingdata") .accordion("activate", -1) ; $("#contact, #address, #email, #sales, #equipment, #notes, #marketingdata") .accordion("activate", 0) ; It will only hit the second command and not close them all first. Any suggestions?

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• UIButton that cycles through images when clicked

  - by dot

  I have three images that I want to cycle through when clicking on a UIButton. How would I go about doing this? This is what I have so far, but it's not really working. //the images NSString* imageNames[] = {"MyFirstImage", "AnotherImage", whatever else}; int currentImageIndex = 0; and - (IBAction)change{ UIImage* imageToShow = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource: imageNames[currentImageIndex] ofType:@"png"]; if( currentImageIndex++ == sizeof(imageNames)/sizeof(NSString)) //check to see if you hit the last image { currentImageIndex = 0; //start over } } Ideas? Any help will be greatly appreciated! Thanks!

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• Bitmapfontatlas cocos2d performance issue

  - by meboz

  This question was also asked in the cocos2d forums but they are a little slower than here. Hi, Im trying to resolve a performance issue in my game. I have all of my game images on the one spritesheet. I now have a score label for which i have generated a font file with the Hiero tool. Ideally I'd like to update my score label with the current score on every update. However there seems to be a significant performance hit when doing so, which i believe is the result of the game images texture and the font texture swapping each update. Can anyone suggest a way to avoid this? Possibly by combining the font images with the game images in the one image file to avoid the texture swapping? Cheers

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• QWT plugin for QT 4.5

  - by Extrakun

  Hi, I have gotten the latest QWT 5.1.2 for QT 4.5 and managed to get it to complie. I am now trying to get the plugin to work in QT Designer (with VS intergration). I have placed the plugin files into the plugin/designer folder, but when attempting to load, I hit this error Cannot load library qwt_desginer_plugin5.dll: The specified module cannot be found. I've done some search on this issue, one page which suggest moving the plugin to the VS intergration folder - which does not exist for Program Files\Nokia\Vs4Addin. My QT Designer is a debug-and-relase build. (That is, if I use a debug build of the plugin it would complain that it is expecting a release).

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• Visual Studio: Add necessary using directives with macro

  - by Kiril

  Hello guys, I am trying to do the following. Imagine you are reading some LINQ article and you decide to copy/paste some code from the article to a newly created project. In most cases, if you directly compile you will probably get an error for missing a using directives or assembly reference. I am trying to optimize the process where I have to go each keyword, click on it with the mouse and hit Shift + Alt + F10 to add the using directive. I know that it is not that much pain, but for the sake of optimization, is it possible and at what cost? Best Regards, Kiril

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• Smartest way to draw 100+ images on screen

  - by Henrik

  Hello all, First of all I'm a newbie when it comes to Android programming. So if this question is totally stupid please delete it ASAP :-). Question: I'm going to draw a grid of 10x10 PNG images. Each image is 32x32 px. All of the images are unique. I'm thinking that the easiest way seems to be to put each image in an ImageView. If adding all ImageView's to the layout would this give me some kind of performance hit? Would there be any smarter way to draw these images? Thanks. / Henrik

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• How to optimize MATLAB loops?

  - by striglia

  I have been working lately on a number of iterative algorithms in MATLAB, and been getting hit hard by MATLAB's performance (or lack thereof) when it comes to loops. I'm aware of the benefit of vectorizing code when possible, but are there any tools for optimization when you need the loop for your algorithm? I am aware of the MEX-file option to write small subroutines in C/C++, although given my algorithms, this can be a very painful option given the data structures required. I mainly use MATLAB for the simplicity and speed of prototyping, so a syntactically complex, statically typed language is not ideal for my situation. Are there any other suggestions? Even other languages (python?) which have relatively painless matrix tools are an option.

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• Shark tool on iphone crashes

  - by Joey

  Hi, I am trying to use Shark to profile my app. However, it crashes after I hit "stop" and it analyzes and then goes to "load session". Only once when I decided not to select my app but chose to target "everything" did it actually display some trace. However, I could not reproduce this case. Does anyone have any idea what might be going wrong? Could it be something to do with the wrong version of Shark or my SDK or some other detail? I have the latest SDK and am running 3.1.3 on the phone. The various documentation I've found on google or via Apple's docs don't seem to be terribly helpful, so if anyone has found some that's useful, I'd love to see it. Thanks.

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• ANTLR, optional ';' in JavaScript

  - by vava

  I'm just playing with ANTLR and decided to try parsing JavaScript with it. But I hit the wall in dealing with optional ';' in it, where statement end is marked by newline instead. Can it be done in some straightforward way? Just a simple grammar example that doesn't work grammar optional_newline; def : statements ; statements : statement (statement)* ; statement : expression (';' | '\n') ; expression : ID | INT | 'var' ID '=' INT ; ID : ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'0'..'9'|'_')* ; INT : '0'..'9'+ ; WS : ( ' ' | '\t' | '\r' | '\n') {$channel=HIDDEN;} ; and I want to be able to parse this (which can be parsed by JavaScript parsers) var i = 10 10; PS: I don't want to put WS in parser rules, I would be much happier if lexer just get rid of those.

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• Clear Session in ASP.Net

  - by Jignesh

  I want to clear the session on Page unload. Here is a condition : If user goes from Page A to Page B of the same site session must not get cleared. If user close the browser window or Tab(close the site),session must gets cleared. I have tried using AJAX PageMethod to call server-side procedure to remove session from client side script.But the procedure is not getting hit,I have checked it using Breakpoint. server side procedure is in master.cs file I will appreciate your help. Here is code in site.master <body onunload="HandleClose();"> <script type="text/javascript"> function HandleClose() { PageMethods.AbandonSessions(); } and here is a code in master.cs : [System.Web.Services.WebMethod] public static void AbandonSessions() { HttpContext.Current.Session.Abandon(); }

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