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• HOW TO: Draggable legend in matplotlib

  - by Adam Fraser

  QUESTION: I'm drawing a legend on an axes object in matplotlib but the default positioning which claims to place it in a smart place doesn't seem to work. Ideally, I'd like to have the legend be draggable by the user. How can this be done? SOLUTION: Well, I found bits and pieces of the solution scattered among mailing lists. I've come up with a…

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• WPF Update Binding when Bound directly to DataContext w/ Converter

  - by Adam

  Normally when you want a databound control to 'update,' you use the "PropertyChanged" event to signal to the interface that the data has changed behind the scenes. For instance, you could have a textblock that is bound to the datacontext with a property "DisplayText" <TextBlock Text="{Binding Path=DisplayText}"/> From here, if the…

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• PostgreSQL: Auto-partition a table

  - by Adam Matan

  Hi, I have a huge database which holds pairs of numbers (A,B), each ranging from 0 to 10,000 and stored as floats. e.g., (1, 9984.4), (2143.44, 124.243), (0.55, 0), ... Since the PostgreSQL table which stores these pairs grew quite large, I have decided to partition it into inheriting sub-tables. I intend to create 100 such tables,…

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• Codility-like sites for code golfs

  - by Adam Matan

  Hi, I've run into codility.com new cool service after listening to one of the recent stackoverflow.com podcasts. In short, it presents the user with a programming riddle to solve, within a given time frame. The user writes code in an online editor, and has the ability to run the program and view the standard output. After final…

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• Show cue banner for wpf ComboBox with grouping

  - by Adam Duston

  I have a ComboBox in my WPF form: <ComboBox Margin="75,0,15,102" Name="videoFormatCombo" Height="23" VerticalAlignment="Bottom" DataContext="{StaticResource GroupedVideoFormats}" ItemsSource="{Binding}" ItemTemplate="{StaticResource VideoFormatTemplate}"> …

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• How do I use a custom authentication mechanism for a Java web application with Spring Security?

  - by Adam

  Hi, I'm working on a project to convert an existing Java web application to use Spring Web MVC. As a part of this I will migrate the existing log-on/log-off mechanism to use Spring Security. The idea at this stage is to replicate the existing functionality and replace only the web layer, leaving the…

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• Python many-to-one mapping (creating equivalence classes)

  - by Adam Matan

  Hi, I have a project of converting one database to another. One of the original database columns defines the row's category. This coulmn should be mapepd to a new category in the new databse. For example, let's assume the original categories are:parrot, spam, cheese_shop, Cleese, Gilliam, Palin Now…

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• How to load JPG file into NSBitmapImageRep?

  - by Adam

  Objective-C / Cocoa: I need to load the image from a JPG file into a two dimensional array so that I can access each pixel. I am trying (unsuccessfully) to load the image into a NSBitmapImageRep. I have tried several variations on the following two lines of code: NSString *filePath = [NSString…

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• SEO redirects for removed pages

  - by adam

  Hi, Apologies if SO is not the right place for this, but there are 700+ other SEO questions on here. I'm a senior developer for a travel site with 12k+ pages. We completely redeveloped the site and relaunched in January, and with the volatile nature of travel, there are many pages which are no…

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• strange run time error message from CIImage initWithContentsOfURL

  - by Adam

  When executing the following code I receive a run time error when the code executes the second line of code. The error (which shows up in the debugger) says: [NSButton initWithContentsOfURL:]: unrecognized selector sent to instance 0x100418e10. I don't understand this message, because it…

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• Maven Java Source Code Generation for Hibernate

  - by Adam

  Hi, I´m busy converting an existing project from an Ant build to one using Maven. Part of this build includes using the hibernate hbm2java tool to convert a collection of .hbm.xml files into Java. Here's a snippet of the Ant script used to do this: <target name="dbcodegen"…

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• Are high powered 3D game engines better at 2D games than engines made for 2D

  - by Adam

  I'm a software engineer that's new to game programming so forgive me if this is a dumb question as I don't know that much about game engines. If I was building a 2D game am I better off going with an engine like Torque that looks like it's built for 2D, or would higher powered…

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• top tweets WebLogic Partner Community – June 2012

  - by JuergenKress

  Send your tweets @wlscommunity #WebLogicCommunity and follow us at http://twitter.com/wlscommunity OTNArchBeat? Free Virtual Developer Day: Oracle ADF and Oracle Fusion Middleware Development http://bit.ly/MxuNAg …

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• Visual Studio 2010 and SQLCLR: Some Good, Some Bad

  - by Adam Machanic

  This past week I've been trying out Visual Studio 2010 for SQLCLR development. Verdict: A couple of nice things, a couple not so nice. In the interest of keeping things somewhat positive around here, we'll start with the good stuff : Pre-deployment and post-deployment…

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• Rejuvenated: Script Creates and Drops for Candidate Keys and Referencing Foreign Keys

  - by Adam Machanic

  Once upon a time it was 2004, and I wrote what I have to say was a pretty cool little script . (Yes, I know the post is dated 2006, but that's because I dropped the ball and failed to back-date the posts when I moved them over here from my prior blog space.) The…

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• T-SQL Tuesday #005: Reporting

  - by Adam Machanic

  This month's T-SQL Tuesday is hosted by Aaron Nelson of SQLVariations . Aaron has picked a really fantastic topic: Reporting . Reporting is a lot more than just SSRS. Whether or not you realize it, you deal with all sorts of reports every day. Server up-time…

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• Five Things To Which SQL Server Should Say "Goodbye and Good Riddance"

  - by Adam Machanic

  I was tagged by master blogger Aaron Bertrand and asked to identify five things that should be removed from SQL Server. Easy enough, or so I thought... 1) Tempdb . But I should qualify that a bit. Tempdb is absolutely necessary for SQL Server to properly…

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• Delete directory by referencing symbolic link

  - by Adam

  To set up the question, imagine this scenario: mkdir ~/temp cd ~/ ln -s temp temporary rm -rf temporary, rm -f temporary, and rm temporary each will remove the symbolic link but leave the directory ~/temp/. I have a script where the name…

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• SQL University: Parallelism Week - Part 2, Query Processing

  - by Adam Machanic

  Welcome back for the second part of Parallelism Week here at SQL University . Get your pencils ready, and make sure to raise your hand if you have a question. Last time we covered the necessary background material to help you understand how the SQL…

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• TechEd 2010 Thanks and Demos

  - by Adam Machanic

  Thank you to everyone who attended my three sessions at this year's TechEd show in New Orleans. I had a great time presenting and answering the really great questions posed by attendees. My sessions were: DAT317 T-SQL Power! The OVER Clause: Your…

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• Internet doesn't work by default

  - by Adam Martinez

  After upgrading to Precise, I am required to run 'sudo dhclient eth0' in a terminal in order to get the internet to work. Everything worked perfectly fine on Oneiric, so It's really puzzling me. I'm thinking it could possibly be something with…

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• SQL in Boston -- Red Gate Style

  - by Adam Machanic

  You might have heard of Red Gate's famous SQL in the City events: free, full-day educational events where you can learn from Red Gate's own evangelists in addition to various MVPs and other guests. With just a tiny bit of marketing thrown in for…

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• How do I (tactfully) tell my project manager or lead developer that the project's codebase needs serious work?

  - by Adam Maras

  I just joined a (relatively) small development team that's been working on a project for several months, if not a year. As with most developer joining a project, I spent my first couple of days reviewing the project's codebase. The project (a…

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• techniques for an AI for a highly cramped turn-based tactics game

  - by Adam M.

  I'm trying to write an AI for a tactics game in the vein of Final Fantasy Tactics or Vandal Hearts. I can't change the game rules in any way, only upgrade the AI. I have experience programming AI for classic board games (basically minimax and…

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• Eight New Oracle Database Assemblies Ready to Run In Your Oracle VM Cloud with Oracle Enterprise Manager 12c

  - by Adam Hawley

  By Sudip Datta, Senior Director, Oracle Enterprise Manager Product Management This week, 8 database virtual assemblies were released via EM 12c Self-Update. The database assemblies are already patched to Oracle recommended…

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