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  • How to convince a colleague that code duplication is bad?

    - by vitaut
    A colleague of mine was implementing a new feature in a project we work on together and he did it by taking a file containing the implementation of a similar feature from the same project, creating a copy of it renaming all the global declarations and slightly modifying the implementation. So we ended up with two large files that are almost identical apart from renaming. I tried to explain that it makes our project more difficult to maintain but he doesn't want to change anything saying that it is easier for him to program in such way and that there is no reason to fix the code if it "ain't broke". How can I convince him that such code duplication is a bad thing? It is related to this questions, but I am more interested in the answers targeted to a technical person (another programmer), for example a reference to an authoritative source like a book would be great. I have already tried simple arguments and haven't succeeded.

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  • javascript---click copy the content to the clipboard

    - by runeveryday
    the following is the code. but it doesn't work. what's wrong with it? thank you. <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>no title</title> <script type="text/javascript"> function copyToClipBoard(content){ var clipBoardContent = ''; clipBoardContent = content; window.clipboardData.setData("Text",clipBoardContent); alert('have copied to the clipboard'); } <body> <textarea rows="4" cols="60" id="url">www.example.com</textarea> <input type="button" value="click me" onclick="copyToClibBoard (document.getElementById ('url').value);" /> </body>

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  • Java jList add item based on combobox selection

    - by Stephan Badert
    I have a csv file that is being loaded in my programme. It contains citys and areas and some other stuff (not important here). Once the csv is selected I load the data into several comboboxes. 1 Thing is not working, I have a combobox containing all the citys and now I need to list all the areas for that country based on selection from the combobox. Here is the event: private void cboProvinciesItemStateChanged(java.awt.event.ItemEvent evt) { //System.out.println(Arrays.asList(gemeentesPerProvincie(gemeentes))); invullenListProvincie(gemeentes); } Here is the method: private void invullenListProvincie(ArrayList<Gemeentes> gemeentes) { Gemeentes gf = (Gemeentes) cboProvincies.getSelectedItem(); DefaultListModel model = new DefaultListModel(); JList list = new JList(model); for (Gemeentes gemeente : gemeentesPerProvincie(gemeentes)) { model.addElement(gemeente); } lstGemeentes.setModel(model); } and this is the method to filter all the areas that equal the selection from the combobox: private ArrayList<Gemeentes> gemeentesPerProvincie(ArrayList<Gemeentes> gemeentes) { String GemPerProv = (String) cboProvincies.getSelectedItem(); ArrayList<Gemeentes> selectie = new ArrayList<Gemeentes>(); for (Gemeentes gemeente : gemeentes) { if (gemeente.getsProvincie().equals(GemPerProv)) { selectie.add(gemeente); } } return selectie; } I am convinced the error is the way I am trying to add items to the jList gemeentesPerProvincie(), I have tried so many things already. I really hope someone can see what i am clearly missing...

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  • Removing Item from Collection / Changing field of Object

    - by x Nuclear 213
    public void searchOwner(List<Appointments> appts, String owner) { Appointments theOne = null; for (Appointments temp : appts) { if (owner.equalsIgnoreCase(temp.owner.name)) { System.out.println(temp.data); temp.setResolved(true); } } } public void checkRemoval() { for (Appointments appts : appointments) { if (appts.resolved == true) { appointments.remove(appts); } //Iterator method used before enhanced for-loop public void checkRemovalI(){ Iterator<Appointments> it = appointments.iterator(); while(it.hasNext()){ if(it.next().resolved = true){ it.remove(); } } } So far this is where I am encountering my problem. I am trying to check the arrayList of Appointments and see if the field (resolved) is set to true, however I am receiving an ConcurrentModification exception during the searchOwner method when trying to set resolved = to true. I've tried using an Iterator in checkRemoval instead of an enhanced for-loop however that didn't help either. I really only need to get the part where the appointment is set to true to work, the checkRemoval seemed to be working early before implementing the changing of the boolean resolved. Any help will be greatly appreciated, thank you.

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  • Scratchable Ticket kind Custom View Item in Android ?

    - by Andhravaala
    Hi All, I need to develop a Instant Lottery game app. I need an idea/procedure to implement Scratchable custom widget similar to instant Lottery Tickets in Android. The requirement is like, the actual content(secret number) should be covered by some image(which indicates scratch area). When the user touch and scratch the image, the image has to disappear slowly and the background content(secret number) should appear accordingly. Please let me know the best way to implement this. I am in real need of it. Thanks in advance.

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  • Using Python, How to copy files in 'temporary internet files' folder in Windows

    - by pythBegin
    I am using this code to find files recursively in a folder , with size greater than 50000 bytes. def listall(parent): lis=[] for root, dirs, files in os.walk(parent): for name in files: if os.path.getsize(os.path.join(root,name))>500000: lis.append(os.path.join(root,name)) return lis This is working fine. But when I used this on 'temporary internet files' folder in windows, am getting this error. Traceback (most recent call last): File "<pyshell#4>", line 1, in <module> listall(a) File "<pyshell#2>", line 5, in listall if os.path.getsize(os.path.join(root,name))>500000: File "C:\Python26\lib\genericpath.py", line 49, in getsize return os.stat(filename).st_size WindowsError: [Error 123] The filename, directory name, or volume label syntax is incorrect: 'C:\\Documents and Settings\\khedarnatha\\Local Settings\\Temporary Internet Files\\Content.IE5\\EDS8C2V7\\??????+1[1].jpg' I think this is because windows gives names with special characters in this specific folder... Please help to sort out this issue.

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  • Copy first row in excel workbook to a new excel workbook

    - by user1667414
    How do I get the first row in an excel workbook & save it to a new excel workbook using .net c#? I dont know the amount of columns so need to get entire row. This what I have but the new workbook is blank (no row copied) Excel.Workbook xlWorkbook = xlApp.Workbooks.Open(file); Excel._Worksheet xlWorksheet = xlWorkbook.Sheets[1]; Excel.Range xlRangeHeader = xlWorksheet.get_Range("A1", "A1").EntireRow; Excel.Workbook xlWorkbookNew = xlApp.Workbooks.Add(); Excel._Worksheet xlWorksheetNew = xlWorkbookNew.Sheets[1]; xlWorksheetNew.get_Range("A1", "A1").EntireRow.Value = xlRangeHeader; xlWorkbook.Close(false); xlWorkbookNew.SaveAs(Path.Combine(sDestination, Path.GetFileName(file)), fileFormat); xlWorkbookNew.Close(true);

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  • Display Consistent Value of an Item using MVVM and WPF

    - by Blake Blackwell
    In my list view control (or any other WPF control that will fit the situation), I would like to have one TextBlock that stays consistent for all items while another TextBlock that changes based on the value in the ObservableCollection. Here is how my code is currently laid out: XAML <ListView ItemsSource="{Binding Path=MyItems, Mode=TwoWay}"> <ListView.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> <TextBlock x:Name="StrVal" Text="{Binding StrVal}" /> <TextBlock x:Name="ConstVal" Text="{Binding MyVM.ConstVal}" /> </StackPanel> </DataTemplate> </ListView.ItemTemplate> </ListView> Model public class MyItem { public string StrVal { get; set; } } ViewModel public class MyVM { public MyVM() { ObservableCollection<MyItem> myItems = new ObservableCollection<MyItem>(); for (int i = 0 ; i < 10; i++) myItems.Add(new MyItem { StrVal = i.ToString()}); MyItems = myItems; ConstVal = "1"; } public string ConstVal { get; set; } public ObservableCollection<MyItem> MyItems { get; set; } } Code Behind this.DataContext = new MyVM(); The StrVal property repeats correctly in the ListView, but the ConstVal TextBlock does not show the ConstVal that is contained in the VM. I would guess that this is because the ItemsSource of the ListView is MyItems and I can't reference other variables outside of what is contained in the MyItems. My question is: How do I get ConstVal to show the value in the ViewModel for all listviewitems that will be controlled by the Observable Collection of MyItems.

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  • Copy text from website.

    - by VBeginner
    So, I've been saving a .txt file from a website and using... My.Computer.FileSystem.ReadAllText() To put it into a string. But I figured it'd be more efficient to just grab it directly. How do I go about this? Thank you.

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  • Binding ComboBox Item with a text property of different DataContext

    - by Jhelumi786
    Hi Everyone, I have a comboBox as below. What I want is to bind the selectedItem value to a Text property of a datacontext so that another DataTemplate can show the Image. Please note that the Combobox and Target Image elements are on two different DataTemplates so that's why I need to update the Text Property (ImageName) ofDataContext at backend. <ComboBox x:Name="cboOverlay" Grid.Row="0" Grid.Column="1" SelectedIndex="0" > <ComboBoxItem Name="BC_OL" IsSelected="True"> <StackPanel Orientation="Horizontal"> <Image Source="Images\BC_OL.jpg" Width="100" Height="25" Canvas.Top="0" Canvas.Left="0" /> <TextBlock Width="100" VerticalAlignment="Center" TextAlignment="Center"><Bold>Image1</Bold></TextBlock> </StackPanel> </ComboBoxItem> <ComboBoxItem Name="Indian_OL"> <StackPanel Orientation="Horizontal"> <Image Source="Images\Indian_OL.jpg" Width="100" Height="25" Canvas.Top="0" Canvas.Left="0" /> <TextBlock Width="100" VerticalAlignment="Center" TextAlignment="Center"><Bold>Image2</Bold></TextBlock> </StackPanel> </ComboBoxItem> </ComboBox> <Image Source="{Binding Path=Image}" Width="81" Height="25" Canvas.Top="0" Canvas.Left="0" />

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  • how reference copy is handled in Objective-C?

    - by Cathy
    Object graph [Instance A] tree / \ / \ / \ ↓ ↓ [Instance B] [Instance C] apple bug Question Instance A has to reference copies to Instance B and Instance C. If I retain or release Instance A, which has references to the other two instances, what happens to the various reference counts?

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  • Create "duplicate copy" of github repository

    - by user1483934
    I see answers to similar questions and I'm sure I may just not be familiar enough with Git and Github terminology to know if they apply to my question. What I need to do is to clone an existing Github remote repository (a private repo under another person's username that I have contributor access to) and create a new private remote repo under my account. The existing repo user is going to make significant alterations to the repo, delete, and re-push, before they do that they want me to clone and create a duplicate so we can continue working from the repo under my user. I want to preserve the commit history with the repo if possible. I've cloned locally but don't can't seem to figure out how to push it to a new remote that isn't origined to the original user.

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  • Silverlight Question: How can I find the DataTemplate corresponding to an item in a ListBox

    - by morpheus
    I have two classes A & B, and a listbox. I assign listBox.ItemsSource equal to a collection of objects of type A. The listbox items are visualized using silverlight data templating, see http://msdn.microsoft.com/en-us/library/system.windows.datatemplate.aspx and http://www.codeproject.com/KB/WPF/UserControlAsDataTemplate.aspx for example. The listbox.ItemTemplate is a DataTemplate that uses class B to visualize the listbox items. Now, in my code-behind, inside any method of class B, if I do this.DataContext, it points to an object of type A. Thus, given an object of type B, I can find the corresponding object of type A. So far so good. My question is, given an object of type A, how can I navigate to the corresponding object of type B? Is this even possible in SL?

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  • Conditionally setting the font color of an item in a drop down box in JSF

    - by Greg
    I'm a newbie to web programming, so please bear with me. I am using JSF 1.2 and I want to conditionally set the color of the items in my drop down list. In other words, I have a collection of items that, along with a key and a value, also have a boolean property, warning, that is dynamically set by user action. I want the drop down to show all of the items, but those whose warning property is set to true should be displayed in red. I assume I have to extend the SelectItem class to add in the boolean property. How do I then conditionally set the color of the font of those items whose warning property is set to true in my JSP pages? Thanks in advance

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  • Duplicate / Copy records in the same MySQL table

    - by Digits
    Hello, I have been looking for a while now but I can not find an easy solution for my problem. I would like to duplicate a record in a table, but of course, the unique primary key needs to be updated. I have this query: INSERT INTO invoices SELECT * FROM invoices AS iv WHERE iv.ID=XXXXX ON DUPLICATE KEY UPDATE ID = (SELECT MAX(ID)+1 FROM invoices) the proble mis that this just changes the ID of the row instead of copying the row. Does anybody know how to fix this ? Thank you verrry much, Digits //edit: I would like to do this without typing all the field names because the field names can change over time.

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  • How to populate a repository with a copy of an old svn repository

    - by user267980
    Hi there. I configured long time ago a backup script for one of my svn repository. Such a noob i was, i didn't used 'svnadmin dump' but just made an archive of my repository folder. I don't have access to the old server anymore thus the only thing i have a archives of the old repository folder. is there a way to import those archive into my new server? Thanks.

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  • Gridview item template refresh

    - by morsanu
    <asp:TemplateField HeaderText="Quantity" ItemStyle-HorizontalAlign="Left" HeaderStyle-HorizontalAlign="Left"> <ItemTemplate> <%#GetQuantityRemaining((int) Eval("Id")) %> </ItemTemplate> <HeaderStyle HorizontalAlign="Left"></HeaderStyle> <ItemStyle HorizontalAlign="Left"></ItemStyle> </asp:TemplateField> Every time the user clicks on some buttons or modifies some fields, I need to update this field, calling the GetQuantityRemaining method again. Is there a way to do that?

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  • Cast into new Object, Copy values by Property Name

    - by Alex
    Hello, I have the following: Class 1 (Text, State, Level) Class 2 (Text, State, Level, Ident) Is there a way for me to cast an object of Class 2 into into Class 1, and not having to do the usual cast code (Text = c.Text, State = c.State etc.)? Possibly by identifying the property names of each class and copying the value over?

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  • count of last item of the day

    - by frenchie
    I have a query in which one of the fields contains the count of status. The status can change several times a day and the count should be based on the final status of the day. For instance, this is what I have for Status1. CountStatus1 = (from status in MyDataContext.StatusHistories where status.UserID == TheUserID where status.StatusDateTime.Month == TheMonth.Month where status.StatusDateTime.Year == TheMonth.Year where status.NewStatus == 1 // where the LAST STATUS OF THE DAY == 1 select status.StatusID).Count() The problem is that I want to select the last status of the day to be equal to 1, and count those. The status for a day can change from 1 to 4 to 2 to 5 to 3 and then to finally to 1; if I write the query like this, the count will include 2 1's and then the 4,2,5 and 3 will also be counted in CountStatus4, CountStatus3, CountStatus"n". The return data is a monthly report grouped by day, where each day is a row. The structure of the query looks like this: var OutputStatusReport = from w in MyDataContext.WorkHistory where w.UserID == TheUserID where w.WorkDatetime.Month == TheMonth.Month where w.WorkDatetime.Year == TheMonth.Year group w by w.Datetime.Date into daygroups select new MyObjectModel { CountStatus1 = ...., CountStatus2 = ...., CountStatus3 =...... }; So I need the day of the count to match the day of daygroups. I'm struggling to figure this one out and any help is very welcome. Thanks.

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