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• SQL Outer Join on a bunch of Inner Joined results

  - by Matthew Frederick

  I received some great help on joining a table to itself and am trying to take it to the next level. The SQL below is from the help but with my addition of the select line beginning with COUNT, the inner join to the Recipient table, and the Group By. SELECT Event.EventID AS EventID, Event.EventDate AS EventDateUTC, …

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• Rate limiting a ruby file stream

  - by Matthew Savage

  I am working on a project which involves uploading flash video files to a S3 bucket from a number of geographically distributed nodes. The video files are about 2-3mb each, and we are only sending one file (per node) every ten minutes, however the bandwidth we consume needs to be rate limited to ~20k/s, as these nodes are delivering streaming…

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• accessing files after setup.py install

  - by Matthew

  I'm developing a python application and have a question regarding coding it so that it still works after an user has installed it on his or her machine via setup.py install or similar. In one of my files, I use the following: file = "TestParser/View/MainWindow.ui" cwd = os.getcwd() argv_path = os.path.dirname(sys.argv[0]) file_path =…

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• Google appengine datastore tree structure

  - by Matthew

  I need to be able to make a tree like structure in the appengine database. I have try to make an object reference itself but have not gotten it to work. class Item(db.Model): children = db.ListProperty(db.ReferenceProperty(Item))

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• Android Activity ClassNotFoundException - tried everything

  - by Matthew Rathbone

  I've just refactored an app into a framework library and an application, but now when I try and start the app in the emulator I get the following error stack trace: 06-02 18:22:35.529: E/AndroidRuntime(586): FATAL EXCEPTION: main 06-02 18:22:35.529: E/AndroidRuntime(586): java.lang.RuntimeException: Unable to instantiate activity…

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• Making my XNA sprite jump properly

  - by Matthew Morgan

  I have been having great trouble getting my sprite to jump. So far I have a section of code which with a single tap of "W" will send the sprite in a constant velocity upwards. I need to be able to make my sprite come back down to the ground a certain time or height after begining the jump. There is also a constant pull of velocity…

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• Ruby RegEx not matching valid expression

  - by Matthew Carriere

  I have the following expression: ^\w(\s(+|-|\/|*)\s\w)*$ This simply looks to match a mathematical expression, where a user is prompted for terms separated by basic operators (ex: price + tax) The user may enter more than just 2 terms and one operator (ex: price + tax + moretax) I tested this expression in Rubular…

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• Java map / nio / NFS issue causing a VM fault: "a fault occurred in a recent unsafe memory access op

  - by Matthew Bloch

  I have written a parser class for a particular binary format (nfdump if anyone is interested) which uses java.nio's MappedByteBuffer to read through files of a few GB each. The binary format is just a series of headers and mostly fixed-size binary records, which are fed out to the called by calling nextRecord(),…

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• How to check for empty values on two fields then prompt user of error using javascript

  - by Matthew

  Hello guys, I hope I can explain this right I have two input fields that require a price to be entered into them in order for donation to go through and submit. The problem that I am having is that I would like the validation process check to see if one of the two fields has a value if so then proceed to…

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• Cocoa-Created PDF Not Rendering Correctly

  - by Matthew Roberts

  I've created a PDF on the iPad, but the problem is when you have a line of text greater than 1 line, the content just goes off the page. This is my code: void CreatePDFFile (CGRect pageRect, const char *filename) { CGContextRef pdfContext; CFStringRef path; CFURLRef url; CFMutableDictionaryRef…

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• Create a Font using strings pulled from a string table.

  - by Matthew Smith

  I am writing a tool to create an otf or ttc with only characters defined in our localized string table, so we can cut down memory usage. I already have the information for the Japanese characters we are using but I am unable to find an example of creating a new font based around these characters. …

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• GridView Style based on bound data.

  - by Matthew Jones

  I would like the rows of my GridView to have strikethrough based on a bound data value called IsObsolete. I tried to do this: <RowStyle BackColor="#EFF3FB" Font-Strikeout='<%# Bind('IsObsolete') %>' /> But obviously this doesn't parse. I'd rather not do this in…

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• different overlay specification in different beamer modes?

  - by Matthew Leingang

  I have a beamer frame with about 150 slides on it. I want article and handout mode to only show frame 92. Reading section 8.6.2 of the beamer manual it seems like I should be able to do something like \begin{frame}<handout:92> ... \end{frame} but that seems to have…

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• Migrate from Sourceforge to Github

  - by Matthew Talbert

  I'm thinking about migrating a project from Sourceforge to Github. Besides the svn to git, what about migrating things like the issue tracker? Is there an easy way to do that?

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• OpenGL Vertex Buffer Object code giving bad output.

  - by Matthew Mitchell

  Hello. My Vertex Buffer Object code is supposed to render textures nicely but instead the textures are being rendered oddly with some triangle shapes. What happens - http://godofgod.co.uk/my_files/wrong.png What is supposed to happen - http://godofgod.co.uk/my_files/right.png…

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• Maven not setting classpath for dependencies properly

  - by Matthew

  OS name: "linux" version: "2.6.32-27-generic" arch: "i386" Family: "unix" Apache Maven 2.2.1 (r801777; 2009-08-06 12:16:01-0700) Java version: 1.6.0_20 I am trying to use the mysql dependency in with maven in ubuntu. If I move the "mysql-connector-java-5.1.14.jar" file that…

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• forward declare static function c++

  - by Matthew Scouten

  I want to forward declare a static member function of a class in another file. What I WANT to do looks like this: BigMassiveHeader.h: class foo { static void init_foos(); } Main.cpp: class foo; void init_foos(); int main(char** argv, int argc) { foo::init_foos()…

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• How do I base64 encode a string efficiently using Excel VBA?

  - by Matthew Murdoch

  I need to encode a 100KB+ string as base64 in VBA. Are there any built-in functions or COM objects available which will do this as a pure VBA approach is either complex or doesn't scale well at these volumes (see links from dbb and marxidad)?

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• How to get Jquery form plugin and Jquery validation to work together.

  - by Matthew

  Hello guys, I was hoping someone can shed some light on what might be occurring on my page. Okay what I currently have on my page is a simple form that collects first name, last name, city, state and email. Once submitted it will hit a PHP page that updates our DB and…

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• How do I make a third party .jar available to my .jsp page?

  - by Matthew

  I'm just starting to learn JSP (and I'm pretty new to Java in general), and I'd like to use JSON-lib with it. I want to make a page something like this: <%@ page import="net.sf.json.JSONObject"%> <% String json = new JSONObject().put("hello",…

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• Hard-coded 8191 10485 values in JavaScript rounding function

  - by Matthew Hegarty

  I've seen the following (bizarre) Javascript rounding function in some legacy code. After googling for it I can see that it crops up in a number of places online. However I can't work out why the hard-coded values 8191 and 10485 are present. Does…

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• Is there a fast alternative to creating a Texture2D from a Bitmap object in XNA?

  - by Matthew Bowen

  I've looked around a lot and the only methods I've found for creating a Texture2D from a Bitmap are: using (MemoryStream s = new MemoryStream()) { bmp.Save(s, System.Drawing.Imaging.ImageFormat.Png); s.Seek(0, SeekOrigin.Begin); …

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• Finding the intersection of two vector equations.

  - by Matthew Mitchell

  I've been trying to solve this and I found an equation that gives the possibility of zero division errors. Not the best thing: v1 = (a,b) v2 = (c,d) d1 = (e,f) d2 = (h,i) l1: v1 + ?d1 l2: v2 + µd2 Equation to find vector intersection of…

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• How to change img src string from ending with _m to _t using jquery for a set of images

  - by Matthew

  Hello guys, I was hoping to get a nice push in the right direction I would like to change the ending of my images sources string... i hope i worded that right. Anyway my current src's are reading: <img…

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• need help with a small Python program

  - by Matthew

  Basically looking for a small program that will do nothing but activate the F6 key every x seconds for the active window, x being whatever number I enter, and the program stops with the hit of like ctrl+z or…

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