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• Algorithm to generate all possible letter combinations of given string down to 2 letters

  - by Alan

  Algorithm to generate all possible letter combinations of given string down to 2 letters Trying to create an Anagram solver in AS3, such as this one found here: http://homepage.ntlworld.com/adam.bozon/anagramsolver.htm I'm having a problem wrapping my brain around generating all possible letter combinations for the various lengths of strings. If…

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• Coco/R vs. ANTLR

  - by Eamon Nerbonne

  I'm evaluating using Coco/R vs. ANTLR for use in a C# project as part of what's essentially a scriptable mail-merge functionality. To parse the (simple) scripts, I'll need a parser. I've focussed on Coco/R and ANTLR because both seem fairly mature and well-maintained and capable of generating decent C# parsers. Neither seem to be trivial to…

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• Ball to Ball Collision - Detection and Handling

  - by Simucal

  With the help of the Stack Overflow community I've written a pretty basic-but fun physics simulator. You click and drag the mouse to launch a ball. It will bounce around and eventually stop on the "floor". My next big feature I want to add in is ball to ball collision. The ball's movement is broken up into a x and y speed vector. I have…

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• DAL, Session, Cache architecture

  - by subt13

  I'm attempting to create Data Access Layer for my web application. Currently, all datatables are stored in the session. When I am finished the DAL will populate and return datatables. Is it a good idea to store the returned datatables in the session? A distributed/shared cache? Or just ping the database each time? Note: generally the…

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• psexec failing with return code 122 when used from Windows service

  - by Jeremy McGee

  I've written a WCF service as a wrapper around a C# utility we've written that uses the SysInternals psexec utility to run jobs on a remote system. psexec is invoked from C# with command-line parameters that specify the domain, user and password to use. All works fine when I invoke the C# utility from PowerShell locally. However, when I…

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• jqGrid "Loading..." overlay showing "undefined" though grid is working

  - by gurun8

  I have a jqGrid that's working 100% except that it keeps displaying "undefined" in the "Loading..." overlay. I can't really figure it out. It seems like I should only get the "undefined" message if something isn't set right and the grid would cease to work. But that's not the case. scratches head I'm not really sure a code sample…

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• SQLite on C# Cross-Platform Applications

  - by alienv

  Can someone help/guide me with using SQLite lib on Linux (MONO) and Windows (.NET) On linux i use native mono sqlite client, and on windows i use http://sqlite.phxsoftware.com/ is there a way to define 'using' directives like this : #if (linux) using Mono.Data.Sqlite; #else using System.Data.SQLite; Another problem is small…

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• Which programming language is manageable by an 11 year old kid?

  - by tangens

  Possible Duplicates: What is the easiest language to start with? What are some recommended programming resources for pre-teens? My son is 11 years old and he would like to learn a programming language. Of course his primary goal is to develop some (simple) games. Do you know of a programming language that is suitable for…

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• iphone google maps crosshair button

  - by xastor

  I would like to use or emulate a button like the gps button in the bottom left corner of the standard maps application on the iphone OS. The button behaves like a toggle button where gps is enabled or disabled depending on whether it is pushed and it may hold a small spinner component while the gps is finding your position. Does…

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• StackOverflow Exception in Umanaged Dll When Called from Managed DLL

  - by Ngu Soon Hui

  My question is similar to this one here, but there are some difference. I have a fortran dll as the backend, and a C# exe as the front end. I use PInvoke to pass data between them. There are 22 parameters between the C# and the fortran code. And some of them are integer, double, pointers ( C# pointers), array and whatnot. So…

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• How do I make UITableViewCell's ImageView a fixed size even when the image is smaller.

  - by Robert

  I have a bunch of images I am using for cell's image views, they are all no bigger than 50x50. e.g. 40x50, 50x32, 20x37 ..... When I load the table view, the text doesn't line up because the width of the images varies. Also I would like small images to appear in the centre as opposed to on the left. Here is the code I am…

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• WM_CONCAT use CASE

  - by Ruslan

  i have a select: select substr(acc,1,4),currency, amount, module, count(*), wm_concat(trn_ref_no) trn from all_entries where date = to_date ('01012010','DDMMYYYY') group by substr(acc,1,4),currency, amount, module in this case i have error: *ORA-06502: PL/SQL: : character string buffer too small ... "WMSYS.WM_CONCAT_IMPL"* …

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• Translation of clustering problem to graph theory language

  - by honk

  I have a rectangular planar grid, with each cell assigned some integer weight. I am looking for an algorithm to identify clusters of 3 to 6 adjacent cells with higher-than-average weight. These blobs should have approximately circular shape. For my case the average weight of the cells not containing a cluster is around 6,…

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• How to record an iPad screencast

  - by hgpc

  How do you record an iPad screencast at full scale? I have an iMac with maximum resolution 1680x1050 and the simulator doesn't fit the screen in portrait orientation. It does fit in landscape orientation. Reducing the scale to 50% is not an option because the end result is too small. If the scale could be reduced…

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• When to use an IOC container?

  - by nivlam

  I'm trying to understand when I should use a container versus manually injecting dependencies. If I have an application that uses a 1-2 interfaces and only has 1-2 concrete implementations for each interface, I would lean towards just handling that myself. If I have a small application that uses 2-3 interfaces…

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• $.Ajax send with progress bar using jquery

  - by kamiar3001

  Hi folks I use $.ajax functionality to send data to server and with this method I removed most of postback pages it works but I need some progress bar to show visitors there are some progress now it shows nothing after some second it shows result but i think a message or small picture is need in my web site. How I…

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• Should I learn C?

  - by Justin Standard

  Original Question: Should I Learn C? In the theme of the stackoverflow podcast, here's a fun question: should I learn C? I expect Jeff & Joel will have something to say on this. Some info on my background: Primarily a Java programmer on "enterprisy" systems. Favorite languages: python, scheme 7 years…

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• Do PHP Framworks Speed Up the Development Process?

  - by Jacob

  I recently started working for a web firm as a freelancer taking my hobby of coding in PHP to a career level, and since then I have been overwhelmed by the amount of work that needs to be done within short time frames. The problem isn't being able to do what is asked, but being able to do it all as quickly…

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• How to retrieve all the records from a Berkeley DB in Ruby

  - by Federico Builes

  I'd like to be able to get all the key-values stored in a Berkeley DB using the Ruby bindings from http://github.com/mattbauer/bdb/tree/master but I'm not sure how to proceed. Any pointers will be appreciated. UPDATE Here's a small script that loops over the keys and prints them. Based on Pax' answer: …

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• Tracking downloads of your software + software CDN?

  - by jason l baptiste

  I'm primarily a web app developer/entrepreneur, so there's a lot I don't know about the desktop software distribution process. I've been thinking about making a Mac OS X app for fun, that I would distribute for free or a really small donation, but started thinking about distribution+download analytics: …

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• What version of the .NET framework ahould I target?

  - by MiffTheFox

  I'm a desktop C# developer (that is not ASP) and am wondering about version targeting for small personal projects. These are, of course, trying to reach as wide an audience as possible, and so I've been targeting .NET 3.0 (which is the latest version on a Windows Vista system without any service packs)…

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• Java enums: Gathering info from another enums

  - by Samuel Carrijo

  I made a similar question a few days ago, but now I have new requirements, and new challenges =). As usual, I'm using the animal enums for didactic purposes, once I don't want to explain domain-specific stuff I have a basic enum of animals, which is used by the whole zoo (I can add stuff to it, but…

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• jqgrid scrollable dialog

  - by gurun8

  I have a jqGrid that has add/edit dialogs with a form that's longer than the dialog height but the dialog won't scroll. I've tried to add an overflow: auto style to the dialog but no effect: $("div.ui-jqdialog-content").css("overflow", "auto"); Although, if I change auto to scroll, I at least…

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• Sourcecode for Paymentroll example in Robert C. Martin book

  - by bitbonk

  Throughout the book "Agile Principles, Patterns, and Practices in C#" by Robert C. Martin a small Paymentroll application is build. While most of the source code is printed in place, some classes are missing and some are incomplete. The book says on the firest page: The book includes many…

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• Facebook graph API - OAuth Token

  - by Simon R

  I'm trying to retrieve data using the new graph API, however the token I'm retriving from OAuth doesn't appear to be working. The call I'm making is as follows; $token =…

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