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Search found 2014 results on 81 pages for 'matt warren'.

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  • How to stop Lean programming becoming Cowboy Coding?

    - by Matt Howells
    My team has been progressively adopting more and more lightweight methodologies, moving from Scrum to Lean/Kanban where there is less and less formal process. At some point we will be back to Cowboy Coding; indeed I fear we may already be on the border line. Where can the line be drawn between a very lightweight Lean and Agile process and anarchy? How will we know when we have crossed the line? And how can we prevent ourselves from crossing the line? The question might also be phrased as, 'what processes cannot be safely eliminated in Lean's drive to eliminate waste'?

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  • Best Practice - Removing item from generic collection in C#

    - by Matt Davis
    I'm using C# in Visual Studio 2008 with .NET 3.5. I have a generic dictionary that maps types of events to a generic list of subscribers. A subscriber can be subscribed to more than one event. private static Dictionary<EventType, List<ISubscriber>> _subscriptions; To remove a subscriber from the subscription list, I can use either of these two options. Option 1: ISubscriber subscriber; // defined elsewhere foreach (EventType event in _subscriptions.Keys) { if (_subscriptions[event].Contains(subscriber)) { _subscriptions[event].Remove(subscriber); } } Option 2: ISubscriber subscriber; // defined elsewhere foreach (EventType event in _subscriptions.Keys) { _subscriptions[event].Remove(subscriber); } I have two questions. First, notice that Option 1 checks for existence before removing the item, while Option 2 uses a brute force removal since Remove() does not throw an exception. Of these two, which is the preferred, "best-practice" way to do this? Second, is there another, "cleaner," more elegant way to do this, perhaps with a lambda expression or using a LINQ extension? I'm still getting acclimated to these two features. Thanks. EDIT Just to clarify, I realize that the choice between Options 1 and 2 is a choice of speed (Option 2) versus maintainability (Option 1). In this particular case, I'm not necessarily trying to optimize the code, although that is certainly a worthy consideration. What I'm trying to understand is if there is a generally well-established practice for doing this. If not, which option would you use in your own code?

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  • Pause and Resume AsyncTasks? (Android)

    - by Matt Swanson
    I have an AsyncTask that acts as a countdown timer for my game. When it completes the countdown it displays the out of time end screen and it also updates the timer displayed on the screen. Everything works fine, except I need to be able to pause and resume this when the pause button in the game is pressed. If I cancel it and try to re-execute it, it crashes with an IllegalStateException. If I cancel it and instantiate a new AsyncTask in its place the old one begins to run again and the new one runs at the same time. Is there a way to cancel/pause the timer and restart it using AsyncTasks or is there a different way I should be going about doing this?

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  • Microsoft SQL Count problem

    - by Matt
    Hey smarties. I'm having trouble with the following SQL statement. I know that I can't do a GROUP BY on the OnlineStatus column, and it makes sense because it's a function call, not an actual column in my table. How would I modify this so that I can get a count of how many users are online? SELECT CASE dbo.fnGetWebUserOnlineStatus(W.Id) WHEN 1 THEN 'Online' WHEN 2 THEN 'Ingame' ELSE 'Offline' END AS OnlineStatus FROM dbo.WebUsers W WHERE W.[Status]=1 GROUP BY OnlineStatus

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  • Setting a "dependency property" in code

    - by Matt B
    I'm on a roll today... I have the following code delaring a dependency property inside a class called ActionScreen: #region Dependency Properties & Methods public string DescriptionHeader { get { return (string)GetValue(DescriptionHeaderProperty); } set { SetValue(DescriptionHeaderProperty, value); } } // Using a DependencyProperty as the backing store for DescriptionHeader. This enables animation, styling, binding, etc... public static readonly DependencyProperty DescriptionHeaderProperty = DependencyProperty.Register("DescriptionHeader", typeof(string), typeof(ActionScreen), new UIPropertyMetadata("xxx")); #endregion I bind to this property in my Xaml as so: <GridViewColumn DisplayMemberBinding="{Binding Description}" Header="{Binding DescriptionHeader}" Width="350" /> Now I want to be able to set the parameter from my code behind when I recieve an event - but it's not working: public string DescColText { set { this.Dispatcher.Invoke(DispatcherPriority.Normal, new Action(delegate() { DescriptionHeader = value; })); } }

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  • Entropy using Decision Tree's

    - by Matt Clements
    Train a decision tree on the data represented by attributes A1, A2, A3 and outcome C described below: A1 A2 A3 C 1 0 1 0 0 1 1 1 0 0 1 0 For log2(1/3) = 1.6 and log2(2/3) = 0.6, answer the following questions: a) What is the value of entropy H for the given set of training example? b) What is the portion of the positive samples split by attribute A2? c) What is the value of information gain, G(A2), of attribute A2? d) What is IFTHEN rule(s) for the decision tree?

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  • Adobe Socket Policy File Server Problems

    - by Matt
    Has anyone been able to successfully implement a service to serve the required socket policy file to FlashPlayer? I am running the Python implementation of the service provided by Adobe at http://www.adobe.com/devnet/flashplayer/articles/socket_policy_files.html and using the following policy file: <?xml version="1.0" encoding="UTF-8"?> <cross-domain-policy> <site-control permitted-cross-domain-policies="master-only"/> <allow-access-from domain="*" to-ports="*" secure="false"/> </cross-domain-policy> and receiving this message from Flash: [SecurityErrorEvent type="securityError" bubbles=false cancelable=false eventPhase=2 text="Error #2048: Security sandbox violation: http://www.mapopolis.com/family/Tree.swf cannot load data from www.mapopolis.com:1900."] Thanks.

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  • installer for distribution visual studio 2008 express

    - by Matt Facer
    Hi guys... I've been doing some research in to installers for visual studio express 2008. I don't much like the standard publish option. I'd rather have a proper windows installer. Am I right in thinking that the only way to do this is to upgrade to the standard edition? Are there any third party tools which can be used? I've tried googling a lot, but don't seem to be getting anywhere!

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  • PHP: using REGEX to get the tablename from a mysql query

    - by Matt
    Hi Guys, Consider these three mysql statements: select * from Users; select id, title, value from Blogs; select id, feelURL, feelTitle from Feeds where id = 1; Now im not very good at REGEX, but i want to get the table name from the mysql query. Could someone possibly create one for me with a little explanation. Thanks,

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  • Regular Expression Help in .NET

    - by Matt H.
    I have a simple pattern I am trying to match, any characters captured between parenthesis at the end of an HTML paragraph. I am running into trouble any time there is additional parentheticals in that paragraph: i.e. If the input string is "..... (321)</p" i want to get the value (321) However, if the paragraph has this text: "... (123) (321)</p" my regex is returning "(123) (321)" (everything between the opening "(" and closing ")" I am using the regex pattern "\s(.+)</p" How can I grab the correct value (using VB.NET) This is what I'm doing so far: Dim reg As New Regex("\s\(.+\)</P>", RegexOptions.IgnoreCase) Dim matchC As MatchCollection = reg.Matches(su.Question) If matchC.Count > 0 Then Dim lastMatch As Match = matchC(matchC.Count - 1) Dim DesiredValue As String = lastMatch.Value End If

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  • What's the best way to annotate this ggplot2 plot? [R]

    - by Matt Parker
    Here's a plot: library(ggplot2) ggplot(mtcars, aes(x = factor(cyl), y = hp, group = factor(am), color = factor(am))) + stat_smooth(fun.data = "mean_cl_boot", geom = "pointrange") + stat_smooth(fun.data = "mean_cl_boot", geom = "line") + geom_hline(yintercept = 130, color = "red") + annotate("text", label = "130 hp", x = .22, y = 135, size = 4) I've been experimenting with labeling the geom_hline in a few different ways, each of which does something I want but has a problem that the other methods don't have. annotate(), used above, is nice - the text is resizeable, black, and easy to position. But it can only be placed within the plot itself, not outside the plot like the axis labels. It also makes an "a" appear in the legend, which I can't dismiss with legend = FALSE. legend = FALSE works with geom_text, but I can't get geom_text to just be black - it seems to be getting tangled up in the line colorings. grid.text lets me put the text anywhere I want, but I can't seem to resize it. I can definitely accept the text being inside of the plot area, but I'd like to keep the legend clean. I feel like I'm missing something simple, but I'm just fried. Thanks in advance for your consideration.

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  • Avoiding display of Visual Studio Debugger when starting a new process from within java.exe

    - by Matt Sheppard
    How can I, from within a java program on windows, prevent a debugger window being displayed if a program I invoke crashes, and how can I detect the fact that it has crashed? Background I have a problem with a java application running on Windows which is launching an unreliable third party program by way of ProcessBuilder.start(). Specifically, if the external program crashes, the 'Visual Studio Just-In-time Debugger' window pops up asking if the user wants to debug the program. From the java application side, I'm happy to deal with the fact that under some circumstances, the third party program will crash, but I'd like to be able to detect and silently handle that situation from within the Java code without requiring any user interaction.

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  • If I can ping my DB server, is my SQL Server connection guaranteed to work?

    - by Matt
    If I can ping my DB server, is my SQL Server connection guaranteed to work? I am using a default connection string in my code. My program runs fine locally but overseas sites are having issues and I am wondering if SQL might be using a TCP or UDP port that is still blocked. Here is the connection string "Data Source=xxxx.xxxx.com; Initial Catalog = xxxxx; User ID=xxxxx;password=xxxxx"

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  • WPF ListView.CurrentChanged too fast for binding

    - by matt
    My case: MVVM ListView+Details(custom UserControl) List bound to MV.Items (IsSynchronizedWithCurrent=true) Details bound to MV.Items.Current MV.Items.Count == 100 about 0.2sec to read details (lazy mode) When I hold the down arrow on the list, very strange things happen: list items order change current changes in the random order CPU usage drastically increments and eventually all hangs. I've read some post that one should start the timer or run handler in the background, but I am not able to do that, since all the binding WPF does for me. Is there some way to instruct the binding in my DetailsControl, to wait a while before accepting CurrentItem? Or should I just resign from the clean solution and write custom code in my MV to handle that?

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  • How do you stream text to an IRC Channel

    - by Matt
    Hi, does anyone know how you go about streaming text to a IRC server? I have a game server, and i'd like to stream the chat to IRC. I can get the chat as a string within a C# program.. Anyone know how to do this? Or a good resource to look at? Cheers

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  • Grails validation problems with sets of data: only getting one error message for all errors in a set

    - by Matt
    Hi, I'm trying to validate a domain class that has a number of subsets. class IebeUser { ... static hasMany = [openUserAnswers:OpenUserAnswer, closedUserAnswers:ClosedUserAnswer] } class OpenUserAnswer { OpenQuestion openQuestion String text static belongsTo = [user:IebeUser] static constraints = { openQuestion(nullable:false) text(blank:false) } } class ClosedUserAnswer { ClosedQuestion closedQuestion ClosedAnswer answer static belongsTo = [user:IebeUser] static constraints = { closedQuestion(nullable:false) answer(nullable:false) } } A closed question has a set of predefined answers and an open question lets the user enter a freeform answer. All is well until I come to validate the object after entry in a form: params: [closedUserAnswers[0].answer.id:, closedUserAnswers[0]:[answer:[id:], answer.id:], password:dfgdfgdf, openUserAnswers[0].text:gdfgdfgdfg, openUserAnswers[0]:[text:gdfgdfgdfg], _isOptedOut:, create:Continue, username:gdfgdfggdf, email:[email protected], closedUserAnswers[1].answer.id:, closedUserAnswers[1]:[answer:[id:], answer.id:], openUserAnswers[1].text:, openUserAnswers[1]:[text:], firstName:dfgdf, lastName:gdfgdfgd, action:save, controller:main] The key bits being: closedUserAnswers[0].answer.id:, closedUserAnswers[0]:[answer:[id:] closedUserAnswers[1].answer.id:, closedUserAnswers[1]:[answer:[id:] openUserAnswers[1].text:, openUserAnswers[1]:[text:] In my tests I have two objects of type closedUserAnswers and two of openUserAnswers. But when I call validation on IebeUser I only get validation errors for the closedUserAnswers or the openUserAnswers as a whole. I don't get validation errors for each object with a problem which is what I need. I really need an error per instance. Does anyone know what I'm doing wrong? Even when I call the validate method against each closedUserAnswer/openUserAnswer I still only get one per type. Here are my errors. Sorry for all the code, but thought I'd include as much of the code as possible so that it makes sense. Field error in object 'uk.co.cascaid.iebe.IebeUser' on field 'openUserAnswers.text': rejected value []; codes [uk.co.cascaid.iebe.OpenUserAnswer.text.blank.error.uk.co.cascaid.iebe.IebeUser.openUserAnswers.text,uk.co.cascaid.iebe.OpenUserAnswer.text.blank.error.openUserAnswers.text,uk.co.cascaid.iebe.OpenUserAnswer.text.blank.error.text,uk.co.cascaid.iebe.OpenUserAnswer.text.blank.error,openUserAnswer.text.blank.error.uk.co.cascaid.iebe.IebeUser.openUserAnswers.text,openUserAnswer.text.blank.error.openUserAnswers.text,openUserAnswer.text.blank.error.text,openUserAnswer.text.blank.error,uk.co.cascaid.iebe.OpenUserAnswer.text.blank.uk.co.cascaid.iebe.IebeUser.openUserAnswers.text,uk.co.cascaid.iebe.OpenUserAnswer.text.blank.openUserAnswers.text,uk.co.cascaid.iebe.OpenUserAnswer.text.blank.text,uk.co.cascaid.iebe.OpenUserAnswer.text.blank,openUserAnswer.text.blank.uk.co.cascaid.iebe.IebeUser.openUserAnswers.text,openUserAnswer.text.blank.openUserAnswers.text,openUserAnswer.text.blank.text,openUserAnswer.text.blank,blank.uk.co.cascaid.iebe.IebeUser.openUserAnswers.text,blank.openUserAnswers.text,blank.text,blank]; arguments [text,class uk.co.cascaid.iebe.OpenUserAnswer]; default message [Property [{0}] of class [{1}] cannot be blank] Field error in object 'uk.co.cascaid.iebe.IebeUser' on field 'closedUserAnswers.answer': rejected value [null]; codes [uk.co.cascaid.iebe.ClosedUserAnswer.answer.nullable.error.uk.co.cascaid.iebe.IebeUser.closedUserAnswers.answer,uk.co.cascaid.iebe.ClosedUserAnswer.answer.nullable.error.closedUserAnswers.answer,uk.co.cascaid.iebe.ClosedUserAnswer.answer.nullable.error.answer,uk.co.cascaid.iebe.ClosedUserAnswer.answer.nullable.error,closedUserAnswer.answer.nullable.error.uk.co.cascaid.iebe.IebeUser.closedUserAnswers.answer,closedUserAnswer.answer.nullable.error.closedUserAnswers.answer,closedUserAnswer.answer.nullable.error.answer,closedUserAnswer.answer.nullable.error,uk.co.cascaid.iebe.ClosedUserAnswer.answer.nullable.uk.co.cascaid.iebe.IebeUser.closedUserAnswers.answer,uk.co.cascaid.iebe.ClosedUserAnswer.answer.nullable.closedUserAnswers.answer,uk.co.cascaid.iebe.ClosedUserAnswer.answer.nullable.answer,uk.co.cascaid.iebe.ClosedUserAnswer.answer.nullable,closedUserAnswer.answer.nullable.uk.co.cascaid.iebe.IebeUser.closedUserAnswers.answer,closedUserAnswer.answer.nullable.closedUserAnswers.answer,closedUserAnswer.answer.nullable.answer,closedUserAnswer.answer.nullable,nullable.uk.co.cascaid.iebe.IebeUser.closedUserAnswers.answer,nullable.closedUserAnswers.answer,nullable.answer,nullable]; arguments [answer,class uk.co.cascaid.iebe.ClosedUserAnswer]; default message [Property [{0}] of class [{1}] cannot be null]

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  • How to force visual styles when using .NET forms Interop from VB6

    - by Matt
    I have created a VB.NET Class Library that exposes some COM Interop sub routines. These in turn show various forms that are contained within the Class Library. When the forms are shown from VB6 they do not inherit the visual styles of the operating system and act like VB6 controls. I gather that this probably by design but is there some way to force/control visual styles manually in the .NET assembly? I would imagine that if I use a manifest in my VB6 app then everything will use the correct style but I would like to be able to control this myself if possible because we are using 3rd party controls in VB6 that do not require a manifest.

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  • Making File Dialog only accept directories

    - by matt
    I want to have a file dialog only allow directories, here's what I've been trying: fileDialog = QtGui.QFileDialog() fileDialog.setFileMode(QtGui.QFileDialog.ShowDirsOnly) filename = fileDialog.getOpenFileName(self, 'Select USB Drive Location')) Thank You

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  • JPanel Appears Behind JMenuBar

    - by Matt H
    import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; @SuppressWarnings("serial") public class Main extends JFrame { final int FRAME_HEIGHT = 400; final int FRAME_WIDTH = 400; public static void main(String args[]) { new Main(); } public Main() { super("Game"); GameCanvas canvas = new GameCanvas(); JMenuBar menuBar = new JMenuBar(); JMenu fileMenu = new JMenu("File"); JMenuItem startMenuItem = new JMenuItem("Pause"); menuBar.add(fileMenu); fileMenu.add(startMenuItem); super.setVisible(true); super.setSize(FRAME_WIDTH, FRAME_WIDTH); super.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); super.setJMenuBar(menuBar); } } import java.awt.Canvas; import java.awt.Graphics; import javax.swing.JPanel; @SuppressWarnings("serial") public class GameCanvas extends JPanel { public void paint(Graphics g) { g.drawString("hI", 0, 0); } } This code causes the string to appear behind the JMenuBar. To see the string, you must draw it at (0,10). I'm sure this must be something simple, so do you guys have any ideas?

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  • gcov and switch statements

    - by Matt
    I'm running gcov over some C code with a switch statement. I've written test cases to cover every possible path through that switch statement, but it still reports a branch in the switch statement as not taken and less than 100% on the "Taken at least once" stat. Here's some sample code to demonstrate: #include "stdio.h" void foo(int i) { switch(i) { case 1:printf("a\n");break; case 2:printf("b\n");break; case 3:printf("c\n");break; default: printf("other\n"); } } int main() { int i; for(i=0;i<4;++i) foo(i); return 0; } I built with "gcc temp.c -fprofile-arcs -ftest-coverage", ran "a", then did "gcov -b -c temp.c". The output indicates eight branches on the switch and one (branch 6) not taken. What are all those branches and how do I get 100% coverage?

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