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• How do I pass W3 validation for Google checkout url?

  - by Dinesh

  When I do validate the page in W3 validation, I got few errors with below code, <input type="image" name="Google Checkout" alt="Fast checkout through Google" src="https://sandbox.google.com/checkout/buttons/checkout.gif?merchant_id=xxxxxxxxx&w=168&h=44&style=white&variant=text&loc=en_US" / Errors are as follows, …

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• GTK+ (GTKSharp) poor performance in Windows

  - by nubela

  Hi, In my Mono (C#) project that is meant to be cross-platform, I am using the GTK for the UI. However one thing I noticed is, on my netbook in Archlinux, the performance is really speedy, so events such as mouse hover, and redrawing of widgets, etc, are really fast. Compared to windows (7) on dual core CPUs, the performance is really really…

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• Eager loading vs. many queries with PHP, SQLite

  - by Mike

  I have an application that has an n+1 query problem, but when I implemented a way to load the data eagerly, I found absolutely no performance gain. I do use an identity map, so objects are only created once. Here's a benchmark of ~3000 objects. first query + first object creation: 0.00636100769043 sec. memory usage: 190008 bytes iterate…

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• how to optimize illustrator artwork in flash?

  - by sasi

  I'm working on a flash project that incorporates a lot of artwork done in Illustrator CS4. I've been copy-pasting directly from Illustrator into Flash, and I add some animations as well. Final file is going to be a one single swf file which will be a part of UI for an application and .net will be the core for this. But now flash becomes…

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• Frequent Netbeans freezes

  - by danilo

  I'm using Netbeans 6.8 for PHP projects located on network drives in a Windows network. Frequently, the IDE gets really slow (like a temporary freeze) to a point where it's totally unusable. At first it seems like a total crash, but after some time (might be sevaral minutes) the IDE works again as before. This happens with Netbeans 6.7…

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• OpenLayers, Layers: Tiled vs. single tile

  - by Chau

  Each time we add a new layer to our OpenLayers based website (data provided primarily by a GeoServer server), we discuss whether to use a single-tile or a tiled approach. Some of the parameters we evaluate are the following: Using the tiled approach we get: Slow but continuous buildup of the viewport Lots of small images Client…

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• Unit Testing in ASP.NET MVC: Minimising the number of asserts per test

  - by Neil Barnwell

  I'm trying out TDD on a greenfield hobby app in ASP.NET MVC, and have started to get test methods such as the following: [Test] public void Index_GetRequest_ShouldReturnPopulatedIndexViewModel() { var controller = new EmployeeController(); controller.EmployeeService = GetPrePopulatedEmployeeService(); var actionResult =…

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• cygwin slow file open

  - by Erdem

  My application uses fopen to open a lot of files. While in linux opening and reading thousand of files doesn't even take a second; in cygwin it takes more than 5 seconds. I think it is because path conversion functions in cygwin dlls. 'open' function is a bit faster. If I use -mno-cygwin it becomes very fast but I can't use it. Is…

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• Tomcat 5.5, Is there a max upload speed per request?

  - by maclema

  I am having an issue when uploading files to tomcat. It seems that tomcat (or something else?) will not handle the upload as fast as I can send it. When uploading multiple files concurrently I can max out my local connection upload speed (2.1MB/s). However, when uploading only one file at a time, no matter how small or large the…

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• MGTwitterEngine - Using getImageAtURL on iPhone

  - by Andrew Malchow

  Essentially, I'm working on asynchronously downloading images and adding them to specific UITableView cells (twitter profile images using MGTwitterEngine from Matt Gemmell). I've looked at general asynchronous download code and must admit, I'm still too much of a noob to understand it well enough to adapt it to my purposes.…

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• Suggest Cassandra data model for an existing schema

  - by Andriy Bohdan

  Hello guys! I hope there's someone who can help me suggest a suitable data model to be implemented using nosql database Apache Cassandra. More of than I need it to work under high loads and large amounts of data. Simplified I have 3 types of objects: Product Tag ProductTag Product: key - string key name - string ....…

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• Huge dataset point in polygon in .net (collision detection)

  - by Rickard Liljeberg

  I have a pretty big mesh with polygons, usually triangles but sometimes rectangles. Each point in my mesh has a value (value has nothing to do with coordinates). Now I am creating a second mesh in the same coordinate-space as the old mesh. I now want to interpolate out values for all points (vertices) in the new mesh using…

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• Cannot install Curb gem on Netbeans 6.9 R2

  - by Zeck

  Hi guys, I'm trying to install feedzirra. When i install curb on my netbeans i get following errors. Building native extensions. This could take a while... ERROR: Error installing curb-0.7.6.gem: ERROR: Failed to build gem native extension. "C:/Program Files/NetBeans 6.9 RC2/ruby/jruby-1.5.0/bin/jruby.bat.exe"…

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• Visual Studio 2008 freezing when editing aspx/master pages

  - by jayrdub

  Visual Studio freezes up continually when I'm editing master pages or aspx files. Here's what I've tried that have not helped: restarting VS only working with few files open at a time Disabled all addins (resharper etc.) deleted .suo and .user files changed default editor from Web Form Editor and Master Page Editor…

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• Jquery - Get all other menus to slide up

  - by Jova

  I have a drop down menu made with Jquery. Right now, if you hover over all the menu items, their submenus will all show at the same time. I would like that if I hover over one menu, then go to the next, that the previous menu's submenu will slide back up. As it is now, I have to hover out of the submenus for them to…

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• How to Uncheck A radio button

  - by user281867

  Hi, I have two forms, one with a radio button that users must select to edit. [form name="A"] [input type="radio" name="BookItem" value="1" /] [input type="radio" name="BookItem" value="2" /] [input type="radio" name="BookItem" value="3" /] [form] After "BookItem" is selected from form (A) I call the…

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• What is the correct way to import and export out of Excel to SQL Server and back?

  - by Vecdid

  Looking for the correct way and control to import and export of out of Microsoft Excel programmatically. I am willing to get a 3rd party control that supports this functionality, or I can create it myself, but looking to get this prioject done fast. The Datasource will be offline. Although when it…

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• Disabling scoring in Lucene(.NET)

  - by user72185

  Hi, When searching, is there a way to disable scoring for any query? The scenario is that the user refines his query by trying different combinations of words, phrases etc., and needs realtime (well, reasonably fast at least) responses on the number of hits. Search time slows down a lot when…

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• Safe non-tamperable URL component in Perl using symmetric encryption?

  - by Randal Schwartz

  OK, I'm probably just having a bad Monday, but I have the following need and I'm seeing lots of partial solutions but I'm sure I'm not the first person to need this, so I'm wondering if I'm missing the obvious. $client has 50 to 500 bytes worth of binary data that must be inserted into the…

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• Build Environment setup - Using .net, java, hudson, and ruby - Could really use a critique

  - by Jeff D

  I'm trying to figure out the best way to stitch together a fast, repeatable, unbreakable build process for the following environment. I've got a plan for how to do it, but I'd really appreciate a critique. (I'd also appreciate some sample code, but more on that later) Ecosystem -…

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• Move million records from MEMORY table to MYISAM table.

  - by Prashant

  Hi, I am looking for a fast way to move records from a MEMORY table to MYISAM table. MEMORY table has around 0.5 million records. Both tables have exactly the same structure (same number of columns, data types etc.). But the MYISAM table is indexed (B-TREE) on a few columns. There…

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• lowest latency, least overhead app server?

  - by Mark Harrison

  I'm designing an application which will have a network interface for feeding out large numbers of very small metadata requests. The application code itself is very fast, basically looking up data cached in memory and sending it to the client. What's the absolute lowest latency I…

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• What Simple Changes Made the Biggest Improvements to Your Delphi Programs

  - by lkessler

  I have a Delphi 2009 program that handles a lot of data and needs to be as fast as possible and not use too much memory. What small simple changes have you made to your Delphi code that had the biggest impact on the performance of you program by noticeably reducing execution time…

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• Dissapearing object function??

  - by WmasterJ

  Is there a reason for object functions to be unset or deleted or simply not applied for any reason at all that isn't intentional? I am maintaining someone elses code and gone through it many times. I use Google Chromes awesome debuger and also TextMate. These help me find the…

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• Entity Framework Performance Problem

  - by Steve Horn

  I'm hoping that someone can help me understand how to overcome a performance problem I'm running into with the latest version of the Entity Framework. In my test, I created my model from a database consisting of around 80 tables. The problem that I'm running into is that the…

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