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  • Why do I keep on getting an exception-illegal operation on ResultSet?

    - by eli1987
    Here is the code-admittedly I'm terrible at Java, but surely I catch a null result set with the if....else statement....sorry its the whole Class: /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /* * SearchParts.java * * Created on 08-Mar-2010, 12:14:31 */ package garits; import java.sql.*; import javax.swing.*; /** * * @author Deniz */ public class SearchParts extends javax.swing.JFrame { /** Creates new form SearchParts */ public SearchParts() { initComponents(); } /** This method is called from within the constructor to * initialize the form. * WARNING: Do NOT modify this code. The content of this method is * always regenerated by the Form Editor. */ @SuppressWarnings("unchecked") private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { if (!jTextField1.getText().equals("")) { String result = ""; int Partnumber = Integer.parseInt(jTextField1.getText()); DB db = new DB(); try { db.connect(); String query = "Select * from Stock Where Part_no =" + "'" + jTextField1.getText() + "'"; ResultSet rs = db.execSQL(query); if (rs.equals(null)) { PartNotFound nf = new PartNotFound(); nf.setVisible(true); } else { ResultSetMetaData rsmd = rs.getMetaData(); int numberOfColumns = rsmd.getColumnCount(); int RowCount = 0; for (int i = 1; i < numberOfColumns; i++) { rs.getString(i); result += i + "/n"; } if (!result.equals("")) { Receptionist_FranchiseePartFound part = new Receptionist_FranchiseePartFound(); part.setVisible(true); while (rs.next()) { RowCount++; } part.getTable().addRowSelectionInterval(0, RowCount); } else { PartNotFound nf = new PartNotFound(); } } } catch (Exception e) { e.printStackTrace(); JOptionPane.showMessageDialog(jButton1, "More information needed for search", "Error Message", JOptionPane.ERROR_MESSAGE); } } else if (!jTextField2.getText().equals("")) { String result = ""; DB db = new DB(); try { db.connect(); String query = "Select * from Stock Where Part_name =" + "'" + jTextField2.getText() + "'"; ResultSet rs = db.execSQL(query); if (rs.equals(null)) { PartNotFound nf = new PartNotFound(); nf.setVisible(true); } else { ResultSetMetaData rsmd = rs.getMetaData(); int numberOfColumns = rsmd.getColumnCount(); int RowCount = 0; for (int i = 1; i < numberOfColumns; i++) { rs.getString(i); result += i + "/n"; } // Receptionist_FranchiseePartFound part = new Receptionist_FranchiseePartFound(); // part.setVisible(true); if (!result.equals("")) { Receptionist_FranchiseePartFound part = new Receptionist_FranchiseePartFound(); part.setVisible(true); while (rs.next()) { RowCount++; } part.getTable().addRowSelectionInterval(0, RowCount); } else { PartNotFound nf = new PartNotFound(); nf.setVisible(true); } } } catch (Exception e) { e.printStackTrace(); JOptionPane.showMessageDialog(jButton1, "More information needed for search", "Error Message", JOptionPane.ERROR_MESSAGE); } } else if (jTextField1.getText().equals("") && jTextField2.getText().equals("")) { String result = ""; DB db = new DB(); try { db.connect(); String query = "Select * from Stock Where Manufacturer =" + "'" + jTextField3.getText() + "'AND Vehicle_type ='" + jTextField4.getText() + "'"; ResultSet rs = db.execSQL(query); if (rs.equals(null)) { PartNotFound nf = new PartNotFound(); nf.setVisible(true); } else{ ResultSetMetaData rsmd = rs.getMetaData(); int numberOfColumns = rsmd.getColumnCount(); int RowCount = 0; for (int i = 1; i < numberOfColumns; i++) { rs.getString(i); result += i + "/n"; } // Receptionist_FranchiseePartFound part = new Receptionist_FranchiseePartFound(); // part.setVisible(true); if (!result.equals("")) { Receptionist_FranchiseePartFound part = new Receptionist_FranchiseePartFound(); part.setVisible(true); while (rs.next()) { RowCount++; } part.getTable().addRowSelectionInterval(0, RowCount); } else { PartNotFound nf = new PartNotFound(); nf.setVisible(true); } } } catch (Exception e) { e.printStackTrace(); JOptionPane.showMessageDialog(jButton1, "More information needed for search", "Error Message", JOptionPane.ERROR_MESSAGE); } } else if (jTextField3.getText().equals("") || jTextField4.getText().equals("")) { JOptionPane.showMessageDialog(jButton1, "More information needed for search", "Error Message", JOptionPane.ERROR_MESSAGE); } } /** * @param args the command line arguments */ // Variables declaration - do not modify private javax.swing.JButton jButton1; private javax.swing.JButton jButton2; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JLabel jLabel3; private javax.swing.JLabel jLabel4; private javax.swing.JLabel jLabel5; private javax.swing.JLabel jLabel6; private javax.swing.JLabel jLabel7; private javax.swing.JLabel jLabel8; private javax.swing.JTextField jTextField1; private javax.swing.JTextField jTextField2; private javax.swing.JTextField jTextField3; private javax.swing.JTextField jTextField4; // End of variables declaration }

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  • Architecture choice about representation of collections in Business Objects

    - by Rajarshi
    I have made certain choices in my architecture which I request the community to review and comment. I am breaking up the post in smaller sections to make it easier to understand the context and then suggest/comment. I am sorry that the post is long, but is required to explain the context. What am I building A typical business application where there are application users, security roles, business operation/action rights based on roles and several business modules like Stock Receive, Stock Transfer, Sale Order, Sale Invoice, Sale Return, Stock Audit etc. and several reports. The application is a WinForm application since it has a lot of rich and responsive UI requirements and has to operate in disconnected mode (with a local SQL Server), most of the time. What have I done I have built a framework - nothing to boast about, but just a set of libraries that serves the repetative requirements of my application, e.g. authentication, role based authorization, data access, validation, exception handling, logging, change status tracking, presentation model compliance and reasonable loose coupling between components. No, I have not written everything from scratch, you can say I have consolidated many things together like some concepts from CSLA, Martin Fowler for Presentation Model, blocks from Enterprise Library, Unity etc. to build a set of libraries that will help my developers be productive quickly without having to look up Google for many of the technical requirements. I have tried to keep the framework generic so that it can be used in typical business applications and also tried to follow some best practices that will support the same Business Objects to be used in an ASP.NET MVC environment also. My present architecture serves my objectives well, and have built several modules (on WinForm) without much trouble. The architecture also lent itself well to build some usable prototype on ASP.NET MVC with the same set of business objects, without changing a single line of code. My Dilemma I have used Custom Business Objects since that gives me a clearer OOP representation of the problem scope in my solution scope, and helps me visualize my entire solution as collection of objects with data and behavior rather than having a set of relational data (DataSet) and implement behaviours (business logic, validation) etc. separately. With rich databinding support in .NET 2.0 binding Custom Business Objects to UI was a breeze. Now while building my business objects, I am still in a dilemma about representation of collections in business objects. Currently I am using DataSets to represent collections while I have seen many suggestions to implement custom collections. For example, in my vision, a typical Sale Invoice Object will contain 'Sales Invoice Items' as a collection. Now theoritically, I can accept that the each 'Sales Invoice Item' should have its own behavior along with their data (ItemCode, Name, Qty, Price etc.) but typically managing of Sale Invoice Items in a Sale Invoice is handled by the Sale Invoice Object itself, e.g. adding/removing Items from collection. Additionally, we can also put business logic/rules for the Sales Invoice Items like "Qty should not be greater than the ordered qty", "Price should be max 10% above the price in Sale Order" etc. in the Sale Invoice object itself. With that kind of a vision, I felt that most business object child collections can be managed by the parent itself, including add/remove from collection as well and implementing business logic for the collection items, hence the collection items hold nothing but data. Additionally, typical collections are represented in UI in Grids, where ability to support DataBinding becomes very important for any collection. Implementing a custom collection, in that case would also mean, I have to implement robust DataBinding support as well, for the collection, which is of course time consuming. Now, considering child collection behaviors are implemented in the parent and the need for DataBinding of child collections, I chose DataSet to represent any child collection in my business objects. In the above example of Sale Invoice I will have 'Invoice Number', 'Date', 'Customer' etc. as attributes of the 'Sale Invoice' but 'InvoiceItems' as a DataSet. Of course, when I say DataSet, it is not a vanilla dataset but an extended DataSet that supports business rule validation and the same role based security model of my framework to allow/deny any business operation to rows/columns of the DataSet, automatically. This approach has allowed easier collection management and databinding in my business objects and my developers are able to deliver modules rapidly. Questions Do you feel that the approach is reasonable? Do you see any shortcomings of this approach? I am recently thinking of using 'Typed DataSets' as child collections, for easier representation in code, that will allow me to write 'currentInvoice.InvoiceItems' (for the DataTable) and 'invoiceItem.ProductCode' or 'invoiceItem.Qty', instead of 'drow["ProductCode"].ToString()' or '(int)drow["Qty"]' etc. Does this choice have any demerits? Thank you if you have read so far and a salute if you still have the Energy to answer.

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  • Does Microsoft hate firefox? ASP.Net gridview performance in firefox bug?

    - by Maxim Gershkovich
    Could someone please explain the significant difference in speed between a firefox updatepanel async postback and one performed in IE? Average Firefox Postback Time For 500 objects: 1.183 Second Average IE Postback Time For 500 objects: 0.295 Seconds Using firebug I can see that the majority of this time in FireFox is spent on the server side. A total of 1.04 seconds. Given this fact the only thing I can assume is causing this problem is the way that ASP.Net renders its controls between the two browsers. Has anyone run into this problem before? VB.Net Code Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button1.Click GridView1.DataBind() End Sub Public Function GetStockList() As StockList Dim res As New StockList For l = 0 To 500 Dim x As New Stock With {.Description = "test", .ID = Guid.NewGuid} res.Add(x) Next Return res End Function Public Class Stock Private m_ID As Guid Private m_Description As String Public Sub New() End Sub Public Property ID() As Guid Get Return Me.m_ID End Get Set(ByVal value As Guid) Me.m_ID = value End Set End Property Public Property Description() As String Get Return Me.m_Description End Get Set(ByVal value As String) Me.m_Description = value End Set End Property End Class Public Class StockList Inherits List(Of Stock) End Class Markup <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> <script type="text/javascript" language="Javascript"> function timestamp_class(this_current_time, this_start_time, this_end_time, this_time_difference) { this.this_current_time = this_current_time; this.this_start_time = this_start_time; this.this_end_time = this_end_time; this.this_time_difference = this_time_difference; this.GetCurrentTime = GetCurrentTime; this.StartTiming = StartTiming; this.EndTiming = EndTiming; } //Get current time from date timestamp function GetCurrentTime() { var my_current_timestamp; my_current_timestamp = new Date(); //stamp current date & time return my_current_timestamp.getTime(); } //Stamp current time as start time and reset display textbox function StartTiming() { this.this_start_time = GetCurrentTime(); //stamp current time } //Stamp current time as stop time, compute elapsed time difference and display in textbox function EndTiming() { this.this_end_time = GetCurrentTime(); //stamp current time this.this_time_difference = (this.this_end_time - this.this_start_time) / 1000; //compute elapsed time return this.this_time_difference; } //--> </script> <script type="text/javascript" language="javascript"> var time_object = new timestamp_class(0, 0, 0, 0); //create new time object and initialize it Sys.WebForms.PageRequestManager.getInstance().add_beginRequest(BeginRequestHandler); Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler); function BeginRequestHandler(sender, args) { var elem = args.get_postBackElement(); ActivateAlertDiv('visible', 'divAsyncRequestTimer', elem.value + ''); time_object.StartTiming(); } function EndRequestHandler(sender, args) { ActivateAlertDiv('visible', 'divAsyncRequestTimer', '(' + time_object.EndTiming() + ' Seconds)'); } function ActivateAlertDiv(visstring, elem, msg) { var adiv = $get(elem); adiv.style.visibility = visstring; adiv.innerHTML = msg; } </script> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <Triggers> <asp:AsyncPostBackTrigger ControlID="Button1" EventName="click" /> </Triggers> <ContentTemplate> <asp:UpdateProgress ID="UpdateProgress1" runat="server" AssociatedUpdatePanelID="UpdatePanel1"> </asp:UpdateProgress> <asp:Button ID="Button1" runat="server" Text="Button" /> <div id="divAsyncRequestTimer" style="font-size:small;"> </div> <asp:GridView ID="GridView1" runat="server" DataSourceID="ObjectDataSource1" AutoGenerateColumns="False"> <Columns> <asp:BoundField DataField="ID" HeaderText="ID" SortExpression="ID" /> <asp:BoundField DataField="Description" HeaderText="Description" SortExpression="Description" /> </Columns> </asp:GridView> <asp:ObjectDataSource ID="ObjectDataSource1" runat="server" SelectMethod="GetStockList" TypeName="WebApplication1._Default"> </asp:ObjectDataSource> </ContentTemplate> </asp:UpdatePanel> </form>

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  • How to "eval" Objective-C code in iPhone

    - by DJYod
    Hi, does a method such as "eval" in Javascript exist in Objective-C (iPhone SDK) ? I use PhoneGap and I want to create a window which is specific for each of my project and I can't use the html file... so I want from JS call a method and give in argument OC code to ben interpreted ... Any idea? Thank you for your help

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  • Using tslib (touchscreen input) with DirectFB on embedded system (gumstix overo)

    - by emi1faber
    I'm attempting to use tslib with DirectFB on the gumstix Overo. Everything seems to be compiled correctly, as when DirectFB starts up, I get messages saying "Started 'tslib Input' ... DirectFB/Input: tslib touchscreen 0 0.1 (tslib)" etc. However, I haven't been able to find any example code showing how one reads the X-Y coordinates of a touchscreen press. Is there any example code out there to initialize the touchscreen and return the coordinates of a touchscreen press? Thanks in advance, Ben

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  • Android to .NET - XML-RPC or KSoap?

    - by BenYL
    We are designing an internal system that will have a .NET PC base station and many Android mobiles, communicating over WiFi. Can't decide between SOAP or XML-RPC protocol. Primary concerns are maturity, compatibility, and the minimizing of coding/integration, in that order. Which is best? Ben

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  • Div overflow not hidden properly

    - by bbeckford
    Hi guys, I'm working on this site - http://dev.chriscurddesign.co.uk/mayday It works in everything other than IE7 and IE8 in compatibility mode (don't care about IE6), where the vacancies lists on the right aren't hidden correctly by their parent overflow property. I have been pulling my hair out trying to get to the bottom of this, its driving me up the wall, anyone got any ideas whatsoever? Below is an image of the issue, chrome on the left, IE8 compat mode on the right. Cheers, -Ben

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  • Learning HyperCard

    - by Nathan Campos
    I've got HyperCard 2.4.1 for my Mac 7.5.5. Then I want to know where I can learn, for free and some books to buy too, but I'm now focusing on the free things. I've got HyperCard because of the suggestion of S Ben.

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  • Best format to submit an autocomplete?

    - by Keyo
    I'm seeking advice on best practice when submitting a varying amount of POST variables. Do I use JSON or some character separated list to merge all the values into one field or use a sequence of fields like 'autocomplete1', 'autocomplete2' and so on. Thanks in advance, Ben

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  • Basic regexp help

    - by casben79
    I am new to programming PHP and am trying to validate a field in a form. The field if for a RAL color code and so would look something like : RAL 1001. so the letters RAL and then 4 numbers. Can someone help me set them into a regular expression to validate them. i have tried this with no success: $string_exp = "/^[RAL][0-9 .-]+$/i"; What can I say but sorry for being a complete NOOB at PHP. Cheers Ben

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  • Codeigniter ignoring query strings. Only loading

    - by Keyo
    I have setup remote debugging in netbeans. It works except codeigniter only loads the default controller (home page). I have enabled query strings with $config['enable_query_strings'] = TRUE; The debugger opens up a page with the following url http://blinkfilms.ben.dev/myid/tests?XDEBUG_SESSION_START=netbeans-xdebug So codeigniter should fire up the controller in controllers/myid/tests.php

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  • Codeigniter ignoring query strings. Only loading index page.

    - by Keyo
    I have setup remote debugging in netbeans. It works except codeigniter only loads the default controller (home page). I have enabled query strings with $config['enable_query_strings'] = TRUE; The debugger opens up a page with the following url http://blinkfilms.ben.dev/myid/tests?XDEBUG_SESSION_START=netbeans-xdebug So codeigniter should fire up the controller in controllers/myid/tests.php

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  • ubuntu gnome short cut keys

    - by benjipete
    Hi, I have done something quite silly and not sure how to fix it. I modified some of the gnome keyboard short cuts and was trying to disable the "Run Application" command. In the process I assigned it to the delete key and every time I hit delete the "Run Application" window comes up. It would not normally be a problem but the "Keyboard Shortcuts" no long has the short cut in the window so I can't disable it. Any help advice would be appreciated. Cheers Ben

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  • ant (1.8.0/1.8.1) zip empty directories

    - by andersonbd1
    Hi, I noticed that neither the zip or jar targets are including empty directories. I googled a little and found this was a regression issue way back with 1.6 (.2 I think), but it was claimed to have been fixed. I was using 1.8.0 so I upgraded to 1.8.1, but am having the same issue. Anyone know of any workarounds besides adding dummy files to those directories? Thanks, Ben Anderson

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  • mapping file-* to a property

    - by andersonbd1
    Hi, I'd like to: <unjar src="lib/mst-service-impl*.zip" but I can't put an asterisk in there. It is only one file, but I don't want to hardcode the version in there. Is there a way to create a property with the asterisk (I know this particular example doesn't work, but perhaps something along these lines): <property name="my.jar" file="lib/mst-service-impl*.zip"> so that I could then do this: <unjar src="${my.jar}" Thanks, Ben

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  • Programatically importing a file and creating an instance of a class in Python

    - by benofsky
    I have a (python) list of strings which refer to python source files and subsequently classes within those files which I want to import and then create an instance of the classes within the files (everything follows a strict naming convention, making this theoretically possible), in Ruby I would do something like: require "lib/sources/#{source}.rb" s = source.constantize.new How would I do something similar in Python? Thanks, Ben

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  • 12.04 LTS: unity --reset hangs

    - by Gregory R. Pace
    Nearly each time I reboot my machine, the system panel and integrated app menus fail to load. At a terminal, when issuing 'unity --reset', I get the following errors: ... Initializing widget options...done Initializing winrules options...done Initializing wobbly options...done ERROR 2012-11-05 04:36:48 unity.glib-gobject <unknown>:0 g_object_unref: assertion `G_IS_OBJECT (object)' failed ERROR 2012-11-05 04:36:48 unity.gtk <unknown>:0 gtk_window_resize: assertion `width > 0' failed WARN 2012-11-05 04:37:14 unity <unknown>:0 Unable to fetch children: No such interface `org.ayatana.bamf.view' on object at path /org/ayatana/bamf/application885622223 ERROR 2012-11-05 04:37:21 unity.glib-gobject <unknown>:0 g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed Setting Update "main_menu_key" Setting Update "run_key" WARN 2012-11-05 04:38:06 unity.iconloader IconLoader.cpp:438 Unable to load icon stock-person at size 24 WARN 2012-11-05 04:38:26 unity.glib.dbusproxy GLibDBusProxy.cpp:182 Unable to connect to proxy: Error calling StartServiceByName for com.canonical.Unity.Lens.Applications: Timeout was reached WARN 2012-11-05 04:38:26 unity.glib.dbusproxy GLibDBusProxy.cpp:182 Unable to connect to proxy: Error calling StartServiceByName for com.canonical.Unity.Lens.Applications: Timeout was reached The procedure hangs at this point. Any ideas how to solve these problems ? Thanks in advance.

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  • April 12 EBS Webcast: Value Chain Planning 12.1.3.6 Rapid Planning Enhancements

    - by Oracle_EBS
    ADVISOR WEBCAST: 12.1.3.6 Rapid Planning EnhancementsPRODUCT FAMILY: Value Chain Planning April 12, 2012 at 11 am ET, 9 am MT, 8 am PT This one-hour session is recommended for functional users who work on the implementation of Oracle Rapid Planning, and Consultants interested in the latest Oracle Rapid Planning features and enhancements available through VCP version 12.1.3.6. This webcast will discuss Safety Stock Calculation Using Quantities, Substitution Logic, and RP-CP Collaboration.TOPICS WILL INCLUDE: Provide insight on the latest enhancements that are available in Oracle Rapid Planning. Learn what is available in this version compared to earlier versions. Version changes. A short, live demonstration (only if applicable) and question and answer period will be included. Oracle Advisor Webcasts are dedicated to building your awareness around our products and services. This session does not replace offerings from Oracle Global Support Services. Current Schedule can be found on Note 740966.1 Post Presentation Recordings can be found on Note 740964.1

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  • Die “AfterDark Reception” ist wieder da!

    - by A&C Redaktion
    In diesem Jahr erreicht die OPN Exchange “AfterDark” Reception neue Höhen! Denn diesmal findet der exklusive VIP-Event im 5. Stock des Metreon Building in San Francisco statt. Und zwar am Sonntag, 30. September, von 19.30 bis 22 Uhr. Genießen Sie in tollem Ambiente und bei einem Cocktail den sanften Sound von Macy Gray, während Sie den Tag beim Networking ausklingen lassen - mit Blick auf das 2012 live Music Festival. Und das Beste ist: Als Oracle PartnerNetwork Exchange Teilnehmer können Sie exklusiv und kostenlos dabei sein! Begleiten Sie uns, wenn wir die Oracle OpenWorld 2012 mit guten Gesprächen und toller Musik beginnen. Wir sehen uns - nach Sonnenuntergang! Ihr OPN Communications Team

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  • WalMart Slashes iPhone 3GS Price To 97$

    - by Gopinath
    WalMart store has slashed prices of iPhone 3GS 16GB model to 97$ with a two-year service contract. This offer saves you 100$ and it starts from today onwards. Apple slashes the prices of it’s products whenever they plan to release an upgraded version of the product. The slash  of iPhone 3GS has provided enough confirmation that Apple is planning to release next version of iPhone, unofficially dubbed as iPhone 4, in the upcoming WWDC conference. Click here to check the availability of iPhone 3GS stock at Walmart. Join us on Facebook to read all our stories right inside your Facebook news feed.

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  • Ask the Readers: What’s Your Favorite Windows Customization Trick?

    - by Jason Fitzpatrick
    Windows doesn’t really feel like your own until you’ve tweaked and prodded it a little. This week we’re interested in hearing about your favorite must-have customization trick that takes precedence over all others. Whether it’s a stock tweak that uses built-in Windows tools or requires a third-party app (like those that enable multi-monitor toolbars or virtual desktops), we want to hear all about it. Sound off in the comments with your must-have customization tip, trick, or app. Check back in on Friday for the What You Said roundup! How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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