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  • How to configure mspaint on Windows Server 2008R2/ Win 7 to start up with 1-pixel canvas or auto-crop a pasted image?

    - by Fantomas
    I do a lot of screen print capturing, and I have just figured out how to use AutoHotKey to paste screen prints into MsPaint automatically. How to paste Print Screen on MS Paint automatically when press "PrtSc" button ? However, one small problem I have is that ... if I grabbed a screen with Alt-Prt Scr that is only 50x50 pixels, then there would be extra white margin around it, because MSPaint starts out with a larger canvas by default. How can I make it ALWAYS start with 1x1 instead?

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  • BASH echo write mysql input

    - by jmituzas
    Have a bash menu where variables write to file for mysql input. heres what I have: echo "CREATE DATABASE '$mysqldbn'; #GRANT ALL PRIVILEGES ON *.* TO '$mysqlu'@'$myhost' IDENTIFIED BY '$mysqlup' WITH GRANT OPTION; GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES ON '$mysqldbn'.* TO '$mysqlu'@'$myhost' IDENTIFIED BY '$mysqlup'; GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES ON '$mysqldbn'.* TO '$mysqlu'@'$myip' IDENTIFIED BY '$mysqlup'; GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES ON '$mysqldbn'.* TO '$mysqlu'@'localhost' IDENTIFIED BY '$mysqlup'; GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, CREATE TEMPORARY TABLES< LOCK TABLES on '$mysqldbn'.* TO '$mysqlu'@'$rip' IDENTIFIED BY '$mysqlup';" > nmysql.db mysql -u root -p$mypass < nmysql.db problem is to get variables to show I had to put them in single quotes, the single quotes show up as I want for instances like '$mysqlu'@'localhost'. But how can I remove the quotes and still get to use the variable in the instance like, CREATE DATABASE '$mysqldbn' ? Double quotes wont work either, I am at a loss. Thanks in advance, Joe

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  • Asus laptop not retaining Aero theme when unplugged

    - by expiredninja
    The problem i'm having occurs when i unplug my laptop, it disregards several elements of my theme. The taskbar becomes unlocked. My desktop background is turned white. The transparency on my windows goes away. I can fix these things by running the Aero trouble shooting utility, which mentions something about the color bit depth These are these specs for the computer: Asus Laptop / Intel® Pentium® Processor / 15.6" Display / 4GB Memory Model: X54H-BD3MA SKU: 4005394 I'm sure there are duplicates of this, just not sure whick one refers to me. Thank you. Also i think someone should add an "unplugged" tag.

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  • Visual annotator for large images

    - by pts
    I have a few hundred images of 30000 x 10000 pixels in size. Each image has lots of text (rendered as pixels) on it. I'd like to translate all text to another language. I speak both languages, and it's fine for me to translate each phrase manually. I need an image editor which can open these images quickly (faster than Inkscape, which needs about 60 seconds to open such an image), lets me zoom and rotate by 90 degrees, lets me erase (i.e. change the color of a selected rectangle to solid white), lets me add text, and lets me save the file as quickly as possible. I'd like to minimize the time I have to wait for the software to load, render and save images. Which is the best program for that on Windows? On Linux?

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  • Internet explorer and floats: please explain

    - by cletus
    Yesterday someone asked Width absorbing HTML elements. I presented two solutions: one table-based and one pure CSS. Now the pure CSS one works well in Firefox and Chrome but not in IE. Basically the floats are being bumped down to the next line. It is my understanding (and the behaviour of FF and Chrome) that this should not be the case because the left divs are block level elements that floats should basically ignore. Complete code example is below. Adding a DOCTYPE to force IE into standards compliant mode helps slightly but the problem remains. So my question is: am I mistaken about my understanding of floats or is this IE's problem? More importantly, how do I get this to work in IE? It's been bugging the hell out of me. <html> <head> <style type="text/css"> div div { height: 1.3em; } #wrapper { width: 300px; overflow: hidden; } div.text { float: right; white-space: nowrap; clear: both; background: white; padding-left: 12px; text-align: left; } #row1, #row2, #row3, #row4, #row5, #row6 { width: 270px; margin-bottom: 4px; } #row1 { background: red; } #row2 { background: blue; } #row3 { background: green; } #row4 { background: yellow; } #row5 { background: pink; } #row6 { background: gray; } </style> <script type="text/javascript" src="http://www.google.com/jsapi"></script> <script type="text/javascript"> google.load("jquery", "1.3.2"); google.setOnLoadCallback(function() { $(function() { $("div.text").animate({ width: "90%" }, 2000); }); }); </script> </head> <body> <div id="wrapper"> <div class="text">FOO</div><div id="row1"></div> <div class="text">BAR</div><div id="row2"></div> <div class="text">THESE PRETZELS ARE</div><div id="row3"></div> <div class="text">MAKING ME THIRSTY</div><div id="row4"></div> <div class="text">BLAH</div><div id="row5"></div> <div class="text">BLAH</div><div id="row6"></div> </div> </body> </html>

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  • Multiple use of a form before it is submitted

    - by OregonTrail
    I'm new to JavaScript, and trying to figure out the canonical way to do the following. I have a form with some checkboxes and a selector. Let's say the checkboxes are styles of music and the selector is for people's names. I'd like the user to be able to select the styles of music for each of the people's names and then submit the form with all of the data. For example, the user might first check off Classical, Jazz, Rock, and Pop and choose "Joe", then select Jazz, Pop, Country, and Electronica and choose "Jane". So there would have to be two different buttons for "submit person" and "submit form". I would like to: Have a list of the names and their chosen styles populate below the form, for feedback Allow the user to use the form as much as they want, and then submit all the data at the end I get the feeling that using jquery and JSON is perfect for this, but I'm not sure what search terminology to use to figure out how to do this. If it matters, the form will be processed by a Django view in Python.

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  • SugarCRM CE Won't Install on Ubuntu 10.10

    - by Trenton Scott
    I have a fresh copy of Ubuntu 10.10 server with a working LAMP installation. I downloaded SugarCRM and browsed to its directory to open the installer (via Firefox). The installer appears fine, I accept the license agreement, and it proceeds to check file permissions. It advises that several directories need looser permissions (chmod 766), and I adjust them accordingly. After making the changes, I click "recheck" and the page just reloads as blank (white). There are no errors visible, nothing in the server logs (Apache/PHP) and installation cannot continue. I'm able to get back to the installation tool by readjusting permissions back to my default (0755 for directories, 0644 for files). All files/folders are owned by root and the www-data group. Any idea about what's wrong?

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  • How to change the Windows 7 taskbar icon spacing?

    - by bill weaver
    At home i run Windows 7 with on a widescreen LCD with the taskbar to the left and this works well, but at work i just got upgraded to W7 on a 4:3 LCD and have the taskbar at the bottom. So what's with the taskbar icon spacing? Is there any way to change this? I.e. move them closer together? There's gotta be a registry setting or some fancy Tweak UI application that will reclaim some of that elbow room. That image above represents nearly half the width of my desktop. I know i know, white space is great and it gives it a light, whimsical look. Blah blah. Awesome, but can i get some real estate back please?

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  • DDD: Enum like entities

    - by Chris
    Hi all, I have the following DB model: **Person table** ID | Name | StateId ------------------------------ 1 Joe 1 2 Peter 1 3 John 2 **State table** ID | Desc ------------------------------ 1 Working 2 Vacation and domain model would be (simplified): public class Person { public int Id { get; } public string Name { get; set; } public State State { get; set; } } public class State { private int id; public string Name { get; set; } } The state might be used in the domain logic e.g.: if(person.State == State.Working) // some logic So from my understanding, the State acts like a value object which is used for domain logic checks. But it also needs to be present in the DB model to represent a clean ERM. So state might be extended to: public class State { private int id; public string Name { get; set; } public static State New {get {return new State([hardCodedIdHere?], [hardCodeNameHere?]);}} } But using this approach the name of the state would be hardcoded into the domain. Do you know what I mean? Is there a standard approach for such a thing? From my point of view what I am trying to do is using an object (which is persisted from the ERM design perspective) as a sort of value object within my domain. What do you think? Question update: Probably my question wasn't clear enough. What I need to know is, how I would use an entity (like the State example) that is stored in a database within my domain logic. To avoid things like: if(person.State.Id == State.Working.Id) // some logic or if(person.State.Id == WORKING_ID) // some logic

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  • What's wrong with this jQuery? It isn't working as intended

    - by Doug Smith
    Using cookies, I want it to remember the colour layout of the page. (So, if they set the gallery one color and the body background another color, it will save that on refresh. But it doesn't seem to be working. jQuery: $(document).ready(function() { if (verifier == 1) { $('body').css('background', $.cookie('test_cookie')); } if (verifier == 2) { $('#gallery').css('background', $.cookie('test_cookie')); } if (verifier == 3) { $('body').css('background', $.cookie('test_cookie')); $('#gallery').css('background', $.cookie('test_cookie')); } $('#set_cookie').click(function() { var color = $('#set_cookie').val(); $.cookie('test_cookie', color); }); $('#set_page').click(function() { $('body').css('background', $.cookie('test_cookie')); var verifier = 1; }); $('#set_gallery').click(function() { $('#gallery').css('background', $.cookie('test_cookie')); var verifier = 2; }); $('#set_both').click(function() { $('body').css('background', $.cookie('test_cookie')); $('#gallery').css('background', $.cookie('test_cookie')); var verifier = 3; }); }); HTML: <p>Please select a background color for either the page's background, the gallery's background, or both.</p> <select id="set_cookie"> <option value="#1d375a" selected="selected">Default</option> <option value="black">Black</option> <option value="blue">Blue</option> <option value="brown">Brown</option> <option value="darkblue">Dark Blue</option> <option value="darkgreen">Dark Green</option> <option value="darkred">Dark Red</option> <option value="fuchsia">Fuchsia</option> <option value="green">Green</option> <option value="grey">Grey</option> <option value="#d3d3d3">Light Grey</option> <option value="#32cd32">Lime Green</option> <option value="#f8b040">Macaroni</option> <option value="#ff7300">Orange</option> <option value="pink">Pink</option> <option value="purple">Purple</option> <option value="red">Red</option> <option value="#0fcce0">Turquoise</option> <option value="white">White</option> <option value="yellow">Yellow</option> </select> <input type="button" id="set_page" value="Page's Background" /><input type="button" id="set_gallery" value="Gallery's Background" /><input type="button" id="set_both" value="Both" /> </div> </div> </body> </html> Thanks so much for the help, I appreciate it. jsFiddle: http://jsfiddle.net/hL6Ye/

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  • Div width: auto and IE

    - by Andrew Heath
    I'm using the jQuery qTip to show individual users and their votes when an average rating is mousedover. qTip calls a PHP file which grabs all the users and votes for the item from the MySQL database and builds a 3 column table, which appears as the tooltip. In Firefox, the tooltip displays properly. In IE7 (haven't tested on IE8 yet), the tooltip is the proper height, but the width is only 2 or 3 characters - not the entire table. If I set the width of the div to a fixed number, say width: 300px; I can coax IE into displaying it properly. However, the length of my users' names varies considerably, and I'd rather not nail down the div to its maximum possible width and then have a crapload of whitespace when you look at an item voted on only by "Joe". Using width: auto; has no effect in IE7. Are there alternatives? Sorry if I've overlooked a similar question. I searched for a bit before posting but didn't find anything suitable. EDIT TO ADD CODE: <div style="-moz-border-radius: 0pt 0pt 0pt 0pt; position: absolute; width: 358px; display: none; top: 384.617px; left: 463.5px; z-index: 6000;" class="qtip qtip-defaults" qtip="0"> <div style="position: relative; overflow: hidden; text-align: left;" class="qtip-wrapper"> <div style="overflow: hidden; background: none repeat scroll 0% 0% white; border: 1px solid rgb(211, 211, 211);" class="qtip-contentWrapper"> <div class="qtip-content qtip-content" style="background: none repeat scroll 0% 0% white; color: rgb(17, 17, 17); overflow: hidden; text-align: left; padding: 5px 9px;"> <div id="WhoResults"> <table> <tbody> <tr> <td>guy1</td> <td>guy2</td> <td>guy3</td> </tr> <tr> <td>guy4</td> <td>guy5</td> <td>guy6</td> </tr> </tbody> </table> </div> </div> </div> </div> </div> I have applied no CSS styling. That's all been handled by qTip. I tried to format it as best I could. Thanks for any help you can provide.

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  • Nested Resource testing RSpec

    - by Joseph DelCioppio
    I have two models: class Solution < ActiveRecord::Base belongs_to :owner, :class_name => "User", :foreign_key => :user_id end class User < ActiveRecord::Base has_many :solutions end with the following routing: map.resources :users, :has_many => :solutions and here is the SolutionsController: class SolutionsController < ApplicationController before_filter :load_user def index @solutions = @user.solutions end private def load_user @user = User.find(params[:user_id]) unless params[:user_id].nil? end end Can anybody help me with writing a test for the index action? So far I have tried the following but it doesn't work: describe SolutionsController do before(:each) do @user = Factory.create(:user) @solutions = 7.times{Factory.build(:solution, :owner => @user)} @user.stub!(:solutions).and_return(@solutions) end it "should find all of the solutions owned by a user" do @user.should_receive(:solutions) get :index, :user_id => @user.id end end And I get the following error: Spec::Mocks::MockExpectationError in 'SolutionsController GET index, when the user owns the software he is viewing should find all of the solutions owned by a user' #<User:0x000000041c53e0> expected :solutions with (any args) once, but received it 0 times Thanks in advance for all the help. Joe

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  • Calling a WPF Application and modify exposed properties?

    - by Justin
    I have a WPF Keyboard Application, it is developed in such a way that an application could call it and modify its properties to adapt the Keyboard to do what it needs to. Right now I have a file *.Keys.Set which tells the application (on open) to style itself according to that new style. I know this file could be passed as a command line argument into the application. That would not be a problem. My concern is, is there a way via a managed environment to change the properties of the executable as long as they are exposed properly, an example: 'Creates a new instance of the Keyboard Application Dim e_key as new WpfApplication("C:\egt\components\keyboard.exe") 'Sets the style path e_key.SetStylePath("c:\users\joe\apps\me\default.keys.set") e_key.Refresh() 'Applies the style e_key.HideMenu() 'Hides the menu e_key.ShowDeck("PIN") 'Shows the custom "deck" of keyboard keys the developer 'Created in the style application. ''work with events and response 'Clear the instance from memory e_key.close e_key.dispose e_key = nothing This would allow my application to become easily accessible to other Touch Screen Application Developers, allowing them to use my keyboard and keep the functionality they need. It seems like it might be possible because (name of executable).application shows all the exposed functions, properties, and values. I just have never done this before. Any help would be appreciated, thank you in advance.

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  • Mac OS X Time Machine Restore - Failure?

    - by Rabe
    I've got an late 2009 macbook pro 13' and yesterday I replaced the native hd (new hd: Hitachi; same form factor). I choosed "Restore from Time Machine" in the options menu on the snow leopard install discs and waited several hours to complete. After an reboot the mac shows up a white screen with apple logo and tiny loading animation. Nothing happens. After another restart; the same. Now I cant boot from CD using the C-Key and I have no idea how to fix that problem.

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  • "Turn Off The Lights" on any website?

    - by gojira
    On Youtube, there is this nice button (easy to overlook - top left of the video) which lets one "turn off the lights": the site background changes from white to black, the text color changes from black to grey. There is an unrelated plug-in for Firefox called "Turned Off The Lights", which has a very similar functionality. This makes websites so much easier to read. However, both technologies only work on YouTube. Is there anything to achive the same effect for all websites? Preferably with Firefox? I.e.: I want to have very dark background and light text color on all websites viewed with Firefox, how can I do that?

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  • Output a php multi-dimensional array to a html table

    - by Fireflight
    I have been banging my head against the wall with this one for nearly a week now, and am no closer than I was the first day. I have a form that has 8 columns and a variable number of rows which I need to email to the client in a nicely formatted email. The form submits the needed fields as a multidimensional array. Rough example is below: <input name="order[0][topdiameter]" type="text" id="topdiameter0" value="1" size="5" /> <input name="order[0][bottomdiameter]" type="text" id="bottomdiameter0" value="1" size="5" /> <input name="order[0][slantheight]" type="text" id="slantheight0" value="1" size="5" /> <select name="order[0][fittertype]" id="fittertype0"> <option value="harp">Harp</option> <option value="euro">Euro</option> <option value="bulbclip">Regular</option> </select> <input name="order[0][washerdrop]" type="text" id="washerdrop0" value="1" size="5" /> <select name="order[0][fabrictype]" id="fabrictype"> <option value="linen">Linen</option> <option value="pleated">Pleated</option> </select> <select name="order[0][colours]" id="colours0"> <option value="beige">Beige</option> <option value="white">White</option> <option value="eggshell">Eggshell</option> <option value="parchment">Parchment</option> </select> <input name="order[0][quantity]" type="text" id="quantity0" value="1" size="5" /> This form is formatted in a table, and rows can be added to it dynamically. What I've been unable to do is get a properly formatted table out of the array. This is what I'm using now (grabbed from the net). <?php if (isset($_POST["submit"])) { $arr= $_POST['order'] echo '<table>'; foreach($arr as $arrs) { echo '<tr>'; foreach($arrs as $item) { echo "<td>$item</td>"; } echo '</tr>'; } echo '</table>; }; ?> This works perfectly for a single row of data. If I try submitting 2 or more rows from the form then one of the columns disappears. I'd like the table to be formatted as: | top | Bottom | Slant | Fitter | Washer | Fabric | Colours | Quantity | ------------------------------------------------------------------------ |value| value | value | value | value | value | value | value | with additional rows as needed. But, I can't find any examples that will generate that type of table! It seems like this should be something fairly straightforward, but I just can't locate an example that works the way I need it too.

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  • How to clear contents of cell in Excel?

    - by Ken
    I've been sent an Excel spreadsheet with a weird first row. Some of the cells say "Column1", "Column2", etc., but I can't delete their contents. If I select the cell and hit backspace, it goes blank, but when I press return, it goes right back to saying "Column1". I found another answer here that suggested this could be caused by "Cell validation", but the validation window says "Any value", and also "show alert" (and I'm not seeing an alert), so I don't think that's it. The first row is white text on a blue background, if that means anything. The spreadsheet was sent to me in XLSX format, but I tried resaving as XLS and opening that, and it seems to make no difference. This is with the "ribbon" version of Excel (they got rid of the Help menu so I don't know how to see what version number it is!). Thanks!

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  • How can I make the icon font color on a windows 7 prof desktop work?

    - by naxa
    I have C:\Windows\Web\Wallpaper\Scenes\img25.jpg as wallpaper (I think it's a standard windows wallpaper.) The desktop icon font color is white. It cannot be read without heavy eye pain. I want it to be black. I couldn't change the icon font color in advanced properties (ie the good old window color settings dialog) for aero for windows 7 professional x32. I've heard that the icon font color should change automatically to suit my needs, it doesn't work as advertised in my scenario. How could I fix it and rescue my eyes from popping out? EDIT screenshot attached. sorry for bad english.

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  • Check for child duplicates

    - by ebb
    My console app will loop through each User to get their Websites, so that it can take new screenshots of them. However, to prevent taking screenshot of the same website twice I have to check whether there already has been taken screenshot of the website, while looping through another users websites. My current solution is: Database: User |--> ID: 1 |--> FirstName: Joe |--> ID: 2 |--> FirstName: Stranger Websites |--> ID: 1 |--> UserID: 1 |--> URL: http://site.com |--> ID: 2 |--> UserID: 2 |--> URL: http://site.com Console app: static void RenewWebsiteThumbNails() { Console.WriteLine("Starting renewal process..."); using (_repository) { var websitesUpdated = new List<string>(); foreach (var user in _repository.GetAll()) { foreach (var website in user.Websites.Where(website => !websitesUpdated.Contains(website.URL))) { _repository.TakeScreenDumpAndSave(website.URL); websitesUpdated.Add(website.URL); Console.WriteLine(new string('-', 50)); Console.WriteLine("{0} has successfully been renewed", website.URL); } } } } However, it seems wrong to declare a List for such a scenario, just to check whether a specific URL already has been added... any suggestions for an alternative way?

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  • CentOS-Like configuration of Vim on Ubuntu

    - by matejkramny
    Whenever I use a CentOS System, there's always a pleasant configuration of vim which mainly does the following: Remembering position of closed files Colour mode (!!!) Bash has colours There's lots more, just not something i can recall on the spot. Then, i go to ubuntu and its all black and white, no nice vim config etc. I have to use Ubuntu, and I hate ubuntu because of this. I know I can all configure it by myself, so my question is: How can I configure the Ubuntu system to behave (aesthetically) like CentOS? PS to future self: I will be stoned to death for asking such a question.

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  • Blank screen after grub menu

    - by Tim
    I just rebooted an Ubuntu Server 10.04. After choosing boot options in the grub menu, though, it just displays a black screen with the blinking white underscore in the upper-left corner. The machine has had (hardware) trouble with networking before, but the problem remains after 10 minutes, so I don't think it's the problem now. Booting into recovery mode or using earlier kernels yields the same problem. This also happens if I boot from another hard-drive. I haven't yet tried to boot from CD as the machine lacks a CD reader. How should I diagnose the problem? Update: My boot options are: recordfail insmod ext2 set root='(hd0,1)' search --no-floppy --fs-uuid --set 567[redacted] linux /boot/vmlinuz-2.6.32-29-generic root=UUID=567[redacted] ro quiet splash initrd /boot/initrd.img-2.6.32-29-generic Update: Also, I cannot access the virtual terminals (ctrl+alt+Fn).

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  • Mysql query in drupal database - groupwise maximum with duplicate data

    - by nselikoff
    I'm working on a mysql query in a Drupal database that pulls together users and two different cck content types. I know people ask for help with groupwise maximum queries all the time... I've done my best but I need help. This is what I have so far: # the artists SELECT users.uid, users.name AS username, n1.title AS artist_name FROM users LEFT JOIN users_roles ur ON users.uid=ur.uid INNER JOIN role r ON ur.rid=r.rid AND r.name='artist' LEFT JOIN node n1 ON n1.uid = users.uid AND n1.type = 'submission' WHERE users.status = 1 ORDER BY users.name; This gives me data that looks like: uid username artist_name 1 foo Joe the Plumber 2 bar Jane Doe 3 baz The Tooth Fairy Also, I've got this query: # artwork SELECT n.nid, n.uid, a.field_order_value FROM node n LEFT JOIN content_type_artwork a ON n.nid = a.nid WHERE n.type = 'artwork' ORDER BY n.uid, a.field_order_value; Which gives me data like this: nid uid field_order_value 1 1 1 2 1 3 3 1 2 4 2 NULL 5 3 1 6 3 1 Additional relevant info: nid is the primary key for an Artwork every Artist has one or more Artworks valid data for field_order_value is NULL, 1, 2, 3, or 4 field_order_value is not necessarily unique per Artist - an Artist could have 4 Artworks all with field_order_value = 1. What I want is the row with the minimum field_order_value from my second query joined with the artist information from the first query. In cases where the field_order_value is not valuable information (either because the Artist has used duplicate values among their Artworks or left that field NULL), I would like the row with the minimum nid from the second query.

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  • URL shortcut on the desktop doesn't show icon on Windows 7

    - by led
    I added a new shortcut.url file with the following: [InternetShortcut] URL=http://test.com/ IDList= HotKey=0 IconFile=C:\Program Files\Test\logo.ico IconIndex=0 This works on XP - the shortcut displays the logo.ico. But on Windows 7, the shortcut is white, without the icon. The icon exists in the location on Windows 7. I also noticed that if I use the Windows GUI to set the icon it works. Even though I am setting it to the same icon. Is there a setting (maybe) where you have to include a path for the icon to work? How can I get it to work on Windows 7?

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  • How do I change the canvas size of a PNG with ImageMagick (GraphicsMagick)? (How to pad with transparency?)

    - by Pistos
    Alternatively: How do I take a non-square PNG and "fill out" the "rest" of the image with transparency so that the resulting square image has the original image centered in the square? ULTIMATELY, what I want is to take any image of any GM-supported format of any size, and create a scaled-down PNG (say, 40 pixels maximum for either dimension), with aspect ratio maintained, transparency-padded for non-square original images, AND with an already-prepared 40x40 PNG transparency mask applied. I already know how to scale down and keep aspect ratio; I already have the command for applying my composite. My only missing piece is square-alizing non-square images (padding with transparency). Single command preferred; multi-command chain acceptable. (edit) Extra info: Here's the composite command I'm using: gm composite -compose copyopacity mask.png source-and-target.png source-and-target.png where mask.png has white pixels for what I want to keep of source-and-target.png and transparent pixels for what I want to remove (and become transparent) of source-and-target.png.

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  • python list/dict property best practice

    - by jterrace
    I have a class object that stores some properties that are lists of other objects. Each of the items in the list has an identifier that can be accessed with the id property. I'd like to be able to read and write from these lists but also be able to access a dictionary keyed by their identifier. Let me illustrate with an example: class Child(object): def __init__(self, id, name): self.id = id self.name = name class Teacher(object): def __init__(self, id, name): self.id = id self.name = name class Classroom(object): def __init__(self, children, teachers): self.children = children self.teachers = teachers classroom = Classroom([Child('389','pete')], [Teacher('829','bob')]) This is a silly example, but it illustrates what I'm trying to do. I'd like to be able to interact with the classroom object like this: #access like a list print classroom.children[0] #append like it's a list classroom.children.append(Child('2344','joe')) #delete from like it's a list classroom.children.pop(0) But I'd also like to be able to access it like it's a dictionary, and the dictionary should be automatically updated when I modify the list: #access like a dict print classroom.childrenById['389'] I realize I could just make it a dict, but I want to avoid code like this: classroom.childrendict[child.id] = child I also might have several of these properties, so I don't want to add functions like addChild, which feels very un-pythonic anyway. Is there a way to somehow subclass dict and/or list and provide all of these functions easily with my class's properties? I'd also like to avoid as much code as possible.

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