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• Using ListViews on the Android?

  - by Robert

  Hey everyone, I am just getting started with the Android SDK and I had a quick question. I am trying to set up a ListView with a rectangle of color on the left and then a bit of text for each row. I also want to make it so I can click each entry in the list and open a new activity to display some information (similar to the contact list). Anyone have any examples to help me out? Thanks a ton, Robert Hill

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• XSLT: Whole table columns count.

  - by kalininew

  Good afternoon, gentlemen. Please help us solve the problem, I do not have enough brains to solve it by myself. There is a table, you must define "simple" it or "complicated". Table "simple" if each row contain only two column, otherwise it is "complicated" table. How to do this means xslt.

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• Corner Cases, Unexpected and Unusual Matlab

  - by Mikhail

  Over the years, reading others code, I encountered and collected some examples of Matlab syntax which can be at first unusual and counterintuitive. Please, feel free to comment or complement this list. I verified it r2006a. set([], 'Background:Color','red') Matlab is very forgiving sometimes. In this case, setting properties to an array of objects works also with nonsense properties, at least when the array is empty. myArray([1,round(end/2)]) This use of end keyword may seem unclean but is sometimes very handy instead of using length(myArray). any([]) ~= all([]) Surprisigly any([]) returns false and all([]) returns true. And I always thought that all is stronger then any. EDIT: with not empty argument all() returns true for a subset of values for which any() returns true (e.g. truth table). This means that any() false implies all() false. This simple rule is being violated by Matlab with [] as argument. Loren also blogged about it. Select(Range(ExcelComObj)) Procedural style COM object method dispatch. Do not wonder that exist('Select') returns zero! [myString, myCell] Matlab makes in this case an implicit cast of string variable myString to cell type {myString}. It works, also if I would not expect it to do so. [double(1.8), uint8(123)] => 2 123 Another cast example. Everybody would probably expect uint8 value being cast to double but Mathworks have another opinion. a = 5; b = a(); It looks silly but you can call a variable with round brackets. Actually it makes sense because this way you can execute a function given its handle. a = {'aa', 'bb' 'cc', 'dd'}; Surprsisingly this code neither returns a vector nor rises an error but defins matrix, using just code layout. It is probably a relict from ancient times. set(hobj, {'BackgroundColor','ForegroundColor'},{'red','blue'}) This code does what you probably expect it to do. That function set accepts a struct as its second argument is a known fact and makes sense, and this sintax is just a cell2struct away. Equvalence rules are sometimes unexpected at first. For example 'A'==65 returns true (although for C-experts it is self-evident). About which further unexpected/unusual Matlab features are you aware?

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• Database replication with composite keys?

  - by Chad Johnson

  According to the MySQL documentation on database replication, "All tables replicated using row-based replication must have explicit primary keys." Is it safe to assume that database replication will work with a composite keys?

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• How can I show a "selection highlighting"-rectangle around a column of a Silverlight Grid?

  - by carlmon

  I have a feature matrix implemented with Silverlight's Grid where users need to select a product. How can I indicate selection with a rectangle around the whole selected column? It is easy to put a CheckBox at the bottom of each product's column, but that is too dull. I would have preffered to use SL Toolkit's DataGrid (with built-in row selection), but it cannot be orientated vertically for a feature matrix... Thanks, Carl

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• Crazy errors with FsLex and FsYacc

  - by Ramon Snir

  I am trying to compile this project: http://ramon.org.il/Here.zip But I get a bunch of non-sense errors. They got text I am familiar with, but in the position there is nothing like that (like unexpected ')' at an empty row). Help me, please!

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• disable Alert view button

  - by shishir.bobby

  HI all, i hv an alert view for twitter posting. Alert view has 2 button and a textfeild send and cancel i want to disable send button,until user fills the message box(i.e textfeild). like,empty field kind of validation. so,how can i disable send button?? regards shishir

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• flex: entering itemEditor when no value is assigned to data property in custom itemRenderer

  - by Markus

  Hi there, Im having a strange problem with my custom itemRenderer in the following Methode I assign the values to the cell. The problem is, when the side.element is still empty. In this case the itemEditor will not show up by default... override public function set data(side:Object):void{ super.data = side.element.toString(); choiceLabel.text = side.element.toString(); answer.selected = side.element.@answer; } Thanks for your help! Markus

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• Validation of textarea

  - by Hulk

  How to validate a textarea in a form.i.e, it should not be empty or have any new lines and if so raise an alert <script> function val() { //ifnewline found or blank raise an alert } </script> <form> <textarea name = "pt_text" rows = "8" cols = "8" class = "input" WRAP ></textarea> <input type=""button" onclick="val();" </form> Thanks

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• jQueryUI Sortable won't accept connected Draggable on a nested UL

  - by Eric

  I've posted an example here: http://jsfiddle.net/ericclemmons/LEHLX/2/ Really, what it comes down to is the classic "assigning users to groups" issue. I have a list of users and a list of groups, but I'd like to be able to have nesting of the groups: user "Eric" would be in "Users", "Web", and "Administrators". The problem is that I cannot drag a user to an empty <ul> in the list.

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• MySQL Triggers to Disable A User Account

  - by Mike D

  I am trying to create a MySQL Trigger to disable someone's account if they have logged in to the site 3 times. I have tried to create this trigger using the following code, but it is not setting is_active to 0 no matter what times_logged_in is. Any help would be appreciated. CREATE TRIGGER updateTrigger AFTER UPDATE ON users FOR EACH ROW BEGIN UPDATE users SET is_active=0 WHERE NEW.is_code=1 AND NEW.times_logged_in>=3 AND NEW.user_id=user_id; END;

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• need to use git behind firewall: trying ssh tunneling

  - by Jacko

  Hi, I am trying to use ssh port forwarding to defeat corporate firewall: ssh git@GIT_SERVER -L9418:GIT_SERVER:9418 and in another terminal I run git clone git://localhost:repositories/project.git But I get the following error: Initialized empty Git repository in /Users/aboxer/tmp/glucosia/.git/ fatal: Unable to look up localhost (port repositories) (nodename nor servname provided, or not known) Thanks!

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• Android: Dinamically add custom checkboxes to a tableLayout

  - by fxi

  What should i do to use custom checkboxes if i add my checkboxes dinamically on my code? (on the java code not on the xml files). Im following this tutorial http://www.anddev.org/novice-tutorials-f8/tutorial-change-look-of-checkbox-t4553.html, but using it i cant achieve my goal. For example, i have a tableLayout and i want to add a checkbox for each new row i have. Thank you all.

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• Ruby Regex Help

  - by bunnyBEARZ

  I know a little bit of regex, but not mutch. What is the best way to get just the number out of the following html. (I want to have 32 returned). the values of width,row span, and size are all different in this horrible html page. Any help? <td width=14 rowspan=2 align=right><font size=2 face="helvetica">32</font></td>

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• VB Equivalent of C# Event Creation

  - by Steven

  I'm trying to extend the GridView class to always show the header and footer even when the datasource is empty. I found this website: link. However, it is written in C# but I use VB. What's the VB equivalent of line 76 (public event MustAddARowHandler MustAddARow;)?

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• tinymce, view only

  - by tom smith

  Hi. Evaluating Tinymce. I've looked at the docs/source/api, and have a question that I thought I'd pose to the stackoverflow group. Has anyone implemented Tinymce, who can tell me it it's possible to setup Tinymce to restrict a user, allowing the user to only "view" a text file, and be able to add additional buttons to the save/cancel row of buttons.. I think it should be, and that I'm missing something subtle.. Thanks -Tom

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• wpf set barchart graph width programmatically C#

  - by Aizaz

  I have a chart and I am adding ColumnSeries and chart legend etc but how to programmatically set its bar width... ??? | |------| | | | | |set | | |this | | |width | | | | | | | | | |BarChart Graph |_______|______|_______________________________ <charting:Chart x:Name="mainChart" Grid.Row="0" Margin="0,8,8,8" Title="Protocols Usage" Height="Auto" Width="Auto" LegendTitle="Protocols" Background="#FFE5F1FE"> </charting:Chart> legend and others things produced on the fly... How to set width of ColumnSeries from C# code?

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• ASP.Net Error - Unable to cast object of type 'System.String' to type 'System.Data.DataTable'.

  - by xtrabits

  I get the below error Unable to cast object of type 'System.String' to type 'System.Data.DataTable'. This is the code I'm using Dim str As String = String.Empty If (Session("Brief") IsNot Nothing) Then Dim dt As DataTable = Session("Brief") If (dt.Rows.Count > 0) Then For Each dr As DataRow In dt.Rows If (str.Length > 0) Then str += "," str += dr("talentID").ToString() Next End If End If Return str Thanks

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• How to shorthand array declaration in a method call?

  - by Paul Sasik

  Hi all, This is hopefully a softball syntax question: I need to call a method with an empty Object array for evaluation and set initial state. In C# I would just do this: func(new Object[]{}); In VB.NET I am forced to do this: Dim ctrls() As Control = {} func(ctrls) Is there a way to shorthand the call in VB.NET and have everything happen in one line of code? P.S. VB-bashing will earn bonus points. ;-)

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• bitmap interpolation c#

  - by Raghav

  Grid size : 160*160 No of row* columns = 16*16 I have created a bitmap for this. Each cell of the grid is filled with different colors. I need to perform color interpolation.

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• What is an efficient method for partitioning and aggregating intervals from timestamped rows in a da

  - by mattrepl

  From a data frame with timestamped rows (strptime results), what is the best method for aggregating statistics for intervals? Intervals could be an hour, a day, etc. I've found the aggregate function, but that doesn't help with assigning each row to an interval. I'm planning on adding a column to the data frame that denotes interval and using that with aggregate, but if there's a better solution it'd be great to hear it. Thanks for any pointers!

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• Corect syntax to pass get request parameter value by using EL

  - by Stardust

  I'm trying to pass value by using EL expression in get request parameter, but I'm getting empty value of request parameter whenever I click on that URL. Could anyone please tell me the correct syntax? <c:forEach var="message" items="${requestScope.inboxmessage}" varStatus="messageCount" > <a href="just.do?value="+${messageCount.count} > </c:forEach>

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• Cannot add rows when the DataGridView control is in virtual mode?

  - by monkey_boys

  When I try to add a new row to a DataGridView in virtual mode like this: dataGridViewX1.Rows.Add(new string[] { "Parker", "Seattle" }); The following exception occurs: Operation is not valid when the DataGridView control is in virtual mode?

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• div layout format php

  - by Gully

  i am trying it get that div displaying 5 in a row and then start a new line and display more atm all that is happening is the are going under each other. CODE < div>Line1< br />Line2< br>Line3< /div> Thank you

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• UITableView Header View Scrolls

  - by Jim Bonner

  I am using a header view, not section header, with my UITableView. The documentation says that the header view sits on top of the table, but my header view scrolls just like a normal row. Is there a way to make the header view always visible at the top of the table?

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