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• Heaps of Trouble?

  - by Paul White NZ

  If you’re not already a regular reader of Brad Schulz’s blog, you’re missing out on some great material.  In his latest entry, he is tasked with optimizing a query run against tables that have no indexes at all.  The problem is, predictably, that performance is not very good.  The catch is that we are not allowed to create any…

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• So…is it a Seek or a Scan?

  - by Paul White

  You’re probably most familiar with the terms ‘Seek’ and ‘Scan’ from the graphical plans produced by SQL Server Management Studio (SSMS).  The image to the left shows the most common ones, with the three types of scan at the top, followed by four types of seek.  You might look to the SSMS tool-tip descriptions to explain the…

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• Hello Operator, My Switch Is Bored

  - by Paul White

  This is a post for T-SQL Tuesday #43 hosted by my good friend Rob Farley. The topic this month is Plan Operators. I haven’t taken part in T-SQL Tuesday before, but I do like to write about execution plans, so this seemed like a good time to start. This post is in two parts. The first part is primarily an excuse to use a pretty bad…

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• DBCC CHECKDB on VVLDB and latches (Or: My Pain is Your Gain)

  - by Argenis

    Does your CHECKDB hurt, Argenis? There is a classic blog series by Paul Randal [blog|twitter] called “CHECKDB From Every Angle” which is pretty much mandatory reading for anybody who’s even remotely considering going for the MCM certification, or its replacement (the Microsoft Certified Solutions Master: Data Platform…

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• Curl Error 52 Empty reply from server

  - by Paul Sheldrake

  Hello I have a cron job setup on one server to run a backup script in PHP that is hosted on another server. The command I've been using is formatted like this: curl -sS http://www.example.com/backup.php Lately I've been getting this error when the Cron runs curl: (52) Empty reply from server I have no idea what this means. …

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• asp.net MVC 2 - View Model / Model Validation - Is there a way to map validation attributes from mod

  - by Paul Hinett

  A short while ago I'm sure I read that is was possible to use AutoMapper to map the validation attributes from the domain model to the view model, i can't find that post any more though! Has anybody seen any code or know if it would be possible to do this? This would give the added benefit of not repeating validation in both…

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• Java SQL database independence.

  - by Paul

  Hello, I have been looking for an alternative to Hibernate for various reasons. I came across Liquibase and i like the idea so i am willing to try it. Liquibase will cater for database creation/modification in a SQL independent fashion. My main question is how does my code in my application execute SQL statements without…

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• Android browser GREEN border on click...

  - by Paul

  Hi, I want to develop a web application using HTML, CSS and Javascript one thing that is really annoying is that any link or button etc when clicked inside the Android browser gets highlighted with a green border. To demonstrate what I mean I have included a link to a page that contains a basic game written in CSS …

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• XDocument unable to digest url in header if encountered twice

  - by Paul Connolly

  Hi there, I am consuming an xml response from a government gateway which contains a url in its root node twice (being firstly xsi:schemaLocation="http://www.govtalk.gov.uk/CM/envelope" and also xmlns="http://www.govtalk.gov.uk/CM/envelope") XDocument will only parse this if I pull out the second one (the xmlns one)…

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• How to format the value in a strongy typed view when using ASP.Net MVC's Html.TextBoxFor

  - by Paul Speranza

  I am trying to format a date rendered by ASP.Net MVC's TextBoxFor using the value of a strongly typed view. The date is nullable so if it is null I want to see a blank value, otherwise I want to see it in the format MM/dd/yyyy. <%= Html.TextBoxFor(model => model.BirthDate, new { style = "width: 75px;" })%> …

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• JQuery overriding the themeroller style

  - by Paul Connolly

  Hi, In my accordian control I want to override the header style to show a red background instead of the default theme colour if ever the user control (e.g user's name and address input) in that particular pane returns a validation boolean of false. I'm ok with how to use .Toggle to change the class but can't figure…

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• CustomRenderer for AutoComplete using google closure library

  - by Paul

  I'm looking to use one of the AutoComplete subclasses(Rich,Remote,RichRemote) and I'd like to use a CustomRenderer, however I don't see instructions for this and reading the documentation/source it appears that the Remote subclass is instantiated with a renderer of "var renderer = new…

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• Is there a C# (.net) library similar to GNU readline?

  - by paul.moore.name

  I'm considering writing a console application in C# and I want to incorporate history, completion and command line editing features something like GNU readline (but not necessarily as extensive as that!) Is there an existing library for .net which provides this type of functionality?…

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• When to use custom html tags?

  - by Paul Whelan

  What is the use case for using your own html tags? (In standard off the shelf browsers) A colleague and myself were discussing it lately. I could not think of a use case. We discussed it could be used for styling with css but then decided to use the span tag with a class instead. …

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• Best practice for handling ConnectionDroppedHandler in OCS Server Application

  - by Paul Nearney

  Hi all, In general, it seems that the majority of times that ConnectionDroppedHandler would get called in an OCS server application is for expected reasons e.g. server application has been unregistered, server is shutting down, etc. Are there any unexpected situations in which…

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• Will apple allow an odds application?

  - by Paul Peelen

  Hi, This is a hypothetical question. If one would develop an iPhone/iPad (Universal) odds application, whould apple allow this to the appstore? This application would not let you bet on odds directly, but would collect odds from different odds sites and show them to the user.…

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• OPS4j repository alternative

  - by Paul Whelan

  The OPS4J repository is down at present and I am trying to run pax-provision using a profile for spring-dm. My question is how do I tell maven to locate the profile information from a site other than ops4j.org. Is this possible? ideally I would like to cache all the packages…

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• Are there any performance enhancements by setting EnableTheming to false?

  - by paul

  I have a site that will not use theming. But by default the value is set to true. Does ASP.NET do a check everytime to see if I'm using themes. Is there a performance hit? Thanks! paul

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• Deallocation doesn't free mem. in Windows/C++ Application

  - by Paul Baumer

  Hi, My Windows/C++ application allocates ~1Gb of data in memory with the new operator and processes this data. The data is deleted after processing. I noticed that if I run the processing again without exiting the application, the second call to "new" operator to allocate…

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• what does "from MODULE import _" do in python?

  - by Paul

  Hi all, In the Getting things gnome code base I stumbled upon this import statement from GTG import _ and have no idea what it means, never seen this in the documentation and a quick so / google search didn't turn anything up. Thank you all in advance Paul

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• CSS/Jquery tabs with different images

  - by Paul

  Hi I am trying when user clicks on one of the images seen here http://techavid.com/design/test.html That the image in background is only thing focused. All icons are greyed out until user clicks and when they do the colored version of the icon is only showing. …

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• Combining 2 Mysql update statments(same col, different values, different conditions)

  - by Paul Atkins

  Hi guys, I have been doing some searching but have not been able to find an answer for this so thought I would ask here as the people here know everything :) I am trying to combine these 2 update queries into one query. UPDATE addresses SET is_default='0' WHERE…

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• Beware Sneaky Reads with Unique Indexes

  - by Paul White NZ

  A few days ago, Sandra Mueller (twitter | blog) asked a question using twitter’s #sqlhelp hash tag: “Might SQL Server retrieve (out-of-row) LOB data from a table, even if the column isn’t referenced in the query?” Leaving aside trivial cases (like…

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• MERGE Bug with Filtered Indexes

  - by Paul White

  A MERGE statement can fail, and incorrectly report a unique key violation when: The target table uses a unique filtered index; and No key column of the filtered index is updated; and A column from the filtering condition is…

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• Seeking on a Heap, and Two Useful DMVs

  - by Paul White

  So far in this mini-series on seeks and scans, we have seen that a simple ‘seek’ operation can be much more complex than it first appears.  A seek can contain one or more seek predicates – each of which can either identify at most one row in a…

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