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• Detecting your application's install path in Java?

  - by Danny King

  Hi, I have made a small application in Java and I would like to make a windows installer for it using the Nullsoft Scriptable Install System (http://nsis.sourceforge.net/Main_Page). The application I made needs to save user preferences somewhere and it currently saves it in the user's home directory (e.g. c:\Users\danny or /home/users/danny).…

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• Parsing XML feed into Ruby object using nokogiri?

  - by Galen King

  Hi all, I am pretty green with coding in Ruby but am trying to pull an XML feed into a Ruby object as follows (ignore the ugly code please): <% doc = Nokogiri::XML(open("http://api.workflowmax.com/job.api/current?apiKey=#{@feed.service.api_key}&accountKey=#{@feed.service.account_key}")) %> <% doc.xpath('//Jobs/Job').each do…

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• How to force myself to follow naming and other conventions

  - by The King

  Hi All, I believe, I program good, atleast my code produces results... But I feel I have drawback... I hardly follow any naming conventions... neither for variables.. nor for methods... nor for classes... nor for tables, columns, SPs... Further to this, I hardly comment anything while programming... I always think that, Let me first…

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• Creating a short unique string for each unique long string

  - by king.net

  I'm trying to create a url shortener system in c# and asp.net mvc. I know about hashtable and I know how to create a redirect system etc. The problem is indexing long urls in database. Some urls may have up to 4000 character length, and it seems it is a bad idea to index this kind of strings. The question is: How can I create a unique…

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• What is the best workaround for the WCF client `using` block issue?

  - by Eric King

  I like instantiating my WCF service clients within a using block as it's pretty much the standard way to use resources that implement IDisposable: using (var client = new SomeWCFServiceClient()) { //Do something with the client } But, as noted in this MSDN article, wrapping a WCF client in a using block could mask any errors…

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• Finding the string length of a integer in .NET

  - by James Newton-King

  In .NET what is the best way to find the length of an integer in characters if it was represented as a string? e.g. 1 = 1 character 10 = 2 characters 99 = 2 characters 100 = 3 characters 1000 = 4 characters The obvious answer is to convert the int to a string and get its length but I want the best performance possible without the…

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• Create 64 bit registry key (non-WOW64) from a 32 bit application

  - by James Newton-King

  I have a Visual Studio installer that is creating some registry keys: HKEY_LOCAL_MACHINE\SOFTWARE\MyApp but the registry keys it is creating are automatically appearing under Wow6432Node: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\MyApp How do I ignore the Wow6432Node when creating registry keys in my C# code being executed by the…

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• Why is this an invalid Turing machine?

  - by Danny King

  Whilst doing exam revision I am having trouble answering the following question from the book, "An Introduction to the Theory of Computation" by Sipser. Unfortunately there's no solution to this question in the book. Explain why the following is not a legitimate Turing machine. M = { The input is a polynomial p over variables x1,…

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• Best .NET blog engine

  - by James Newton-King

  I am thinking about switching my blog away from Community Server to something that is simpler and focuses more on just being a good blog. What are the different .NET blogging engines and which one do you recommend?

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• Using "Object.create" instead of "new"

  - by Graham King

  Javascript 1.9.3 / ECMAScript 5 introduces Object.create, which Douglas Crockford amongst others has been advocating for a long time. How do I replace new in the code below with Object.create? var UserA = function(nameParam) { this.id = MY_GLOBAL.nextId(); this.name = nameParam; } UserA.prototype.sayHello = function() { …

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• What harm can javascript do?

  - by The King

  I just happen to read the joel's blog here... So for example if you have a web page that says “What is your name?” with an edit box and then submitting that page takes you to another page that says, Hello, Elmer! (assuming the user’s name is Elmer), well, that’s a security vulnerability, because the user could type in all kinds…

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• What's your favourite assisted theorem prover?

  - by Danny King

  Hi all, I'm hoping to pick one of the many assisted theorem provers (rather than automatic ones) but there are rather a lot to choose from! Does anyone have any you prefer and may I ask why? Thanks!

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• What is natural deduction used for outside of academia?

  - by Danny King

  Hello, I am studying natural deduction as a part of my Formal Specification & Verification Computer Science course at University/College. I find it interesting, however I learn much better when I can find a practical use for things. Could anyone explain to me if and how natural deduction is used other than for formally…

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• Java "compare cannot be resolved to a type" error

  - by King Triumph

  I'm getting a strange error when attempting to use a comparator with a binary search on an array. The error states that "compareArtist cannot be resolved to a type" and is thrown by Eclipse on this code: Comparator<Song> compare = new Song.compareArtist(); I've done some searching and found references to a possible…

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• UI Design, incase of numerous situations

  - by The King

  Hi... I'm creating a web form, where in there are around 12-15 Input Fields... You can have a look at the screen and The request is such that depending on the data the user selects in the Gridview and the DropDown list, the appropriate Textboxes and CheckBoxes needs to be displayed. Some times the conditions are very…

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• Error in glmmadmb(.....) The function maximizer failed (couldn't find STD file)

  - by Joe King

  This works fine: fit.mc1 <-MCMCglmm(bull~1,random=~school,data=dt1,family="categorical", prior=list(R=list(V=1, fix=1), G=list(G1=list(V=1, nu=0))), slice=T) So does this: fit.glmer <- glmer(bull~(1|school),data=dt1,family=binomial) But now I am trying to work with the package glmmadmb and this does not work: …

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• Regular expression of unicode characters on string

  - by Marcus King

  I'm working in c# doing some OCR work and have extracted the text I need to work with. Now I need to parse a line using Regular Expressions. string checkNum; string routingNum; string accountNum; Regex regEx = new Regex(@"\u9288\d+\u9288"); Match match = regEx.Match(numbers); if (match.Success) checkNum =…

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• Check if system tray focused in Java?

  - by Danny King

  Hi all, I have a Java app that has an icon in the system tray. How can I check if the tray (or tray icon) has current focus? Tray and TrayIcon don't seem to have .isFocused() or similar. Is this possible? Thanks!

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• NTFS performance and large volumes of files and directories

  - by James Newton-King

  How does Windows with NTFS perform with large volumes of files and directories? Is there any guidance around limits of files or directories you can place in a single directory before you run into performance problems or other issues? e.g. is a folder with 100,000 folders inside of it an ok thing to do

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• When using Clipboard, Toolkit and Transferable, I get an error objecting to image width and height

  - by Mike King

  When I run the following code it triggers an error message. The error message is shown below the code. What code changes, or changes to the image file, are needed to fix this error? Help will be appreciated. import java.awt.*; import java.awt.datatransfer.*; public class LoadToClipboard { public static…

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• SQL Server 2008 - Script Data as Insert Statements from SSIS Package

  - by Brandon King

  SQL Server 2008 provides the ability to script data as Insert statements using the Generate Scripts option in Management Studio. Is it possible to access the same functionality from within a SSIS package? Here's what I'm trying to accomplish... I have a scheduled job that nightly scripts out all the schema…

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• Java array assignment (multiple values)

  - by Danny King

  Hello, I have a Java array defined already e.g. float[] values = new float[3]; I would like to do something like this further on in the code: values = {0.1f, 0.2f, 0.3f}; But that gives me a compile error. Is there a nicer way to define multiple values at once, rather than doing this?: values[0] = 0.1f;…

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• How to make a panel behave like a modal for the form

  - by The King

  Hi All, I have a MDI child Form which displays items that are already in the database. I use a datagridview (PostedItemsDataGrid) to display the items... I also have a Button which enables user to edit the line selected in the datagridview. There are also other controls on the form other than the two…

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• Java split regular expression

  - by Danny King

  Hi all, If I have a string, e.g. setting=value How can I remove the '=' and turn that into two separate strings containing 'setting' and 'value' respectively? Thanks very much!

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• Get the corresponding row in the datatable from the selection in datagridview

  - by The King

  Hi All, I have a DataTable which is bound to datagridview (Winforms)... I use the following two lines to get the DataRow that is selected in the datagridview... int l_intSelectedRow = DataGridView1.SelectedRows[0].Index; DataRow l_drwSelectedRow =…

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