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• Where to start on creating finger swipe navigation trough a list.

  - by Thomas Stock

  Lets say I want to make a control to select any integer number by dragging on a "bar" with numbers: (156 is selected) Mousedown on "159" and dragging towards the left and then doing mouseup changes the control to this: (160 is selected) I've been experimenting for the past 3 hours but I'm inexperienced in Silverlight so I'm having problems getting started. My current guess is I should seperate this into 2 steps: Step 1: Build this control without swiping behavior. Just 2 buttons to go up a number or go down a number Step 2: Replace the buttons by handling mouse events. With my limited knowledge I think I would manage building a crappy control that does this, with very messy xaml and c# and lots of headaches when trying to apply styling and fancy state transitions, but I was hoping some xaml wizards could get me started with the basic approach? Edit: This is an implementation of what I'm trying to achieve in Silverlight: Iphone's datepicker:

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• SWT Composite consructor throws IllegalArgumentException on a non-null argument

  - by Alexey Romanov

  This piece of code (in Scala) val contents = { assert(mainWindow.detailsPane != null) new Composite(mainWindow.detailsPane, SWT.NONE) } throws an exception: Exception occurred java.lang.IllegalArgumentException: Argument not valid at org.eclipse.swt.SWT.error(Unknown Source) at org.eclipse.swt.SWT.error(Unknown Source) at org.eclipse.swt.SWT.error(Unknown Source) at org.eclipse.swt.widgets.Widget.error(Unknown Source) at org.eclipse.swt.widgets.Widget.checkParent(Unknown Source) at org.eclipse.swt.widgets.Widget.<init>(Unknown Source) at org.eclipse.swt.widgets.Control.<init>(Unknown Source) at org.eclipse.swt.widgets.Scrollable.<init>(Unknown Source) at org.eclipse.swt.widgets.Composite.<init>(Unknown Source) at main.scala.NodeViewPresenter$NodeViewImpl.<init>(NodeViewPresenter.scala:41) According to the documentation, IllegalArgumentException should only be thrown when the parent is null, but I am checking for that. detailsPane is a CTabFolder. Can anybody say why this could happen?

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• Program ends abruptly even in debugger - how did that happen?

  - by Mick

  I am trying to debug a program that unexpectedly shuts down. When I say "shuts down, I mean one moment I am seeing all the windows being displayed, each of which is showing all the right data,then suddenly all the windows disappear. The is no messagebox reporting anything wrong. So I tried running the program in the debugger hoping that it would somehow trap whatever was causing the program to abort, but even within the debugger the program simply ends abruptly. The last line in the debugger is: The program '[5500] test.exe: Native' has exited with code 0 (0x0). My program which is extremely large and extremely old has a lot of self diagnostics. My suspicion is that perhaps a self test has failed and maybe I just called "exit()", forgetting to pop up a dialog explaining why. My question now is, how can I find out from which point in the code, my program quit?

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• Hudson can't find local maven repository (including 3rd party jars)

  - by MH

  Hi all, I have created a Maven2 project. Everything works fine. Now, I have set up a Hudson project in order to make nightly builds possible. Hudson should check out the current project state from a Subversion repository, run the tests, build the project and deploy everyting to a repository. My Subversion repositroy contains my Maven2 project but no jars located in my local Maven repository (.m2). That's probably why hudson finishes with a failure, saying that some 3rd party jars are't available. Here, I have to say that there are some jars in my local Maven repository (.m2), which aren't available in any Maven repositories. Hence, there is no possibility to download these jars. Has Hudson the ability to connect to the local .m2 repository? Or is there another way to make these jar files available to Hudson? Thanks a million in advance for your help.

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• PHP Modify the return of a loop over and over.

  - by Joshua Anderson

  Basically I want to do a php loop that base64_encodes its self 5 times. //For example i want to encode "test" which is "dGVzdA==" then we encode "dGVzdA==" which is "ZEdWemRBPT0=" then encode "ZEdWemRBPT0=" which is "WkVkV2VtUkJQVDA9" I can't figure out how to create a loop that modifies its self each time it runs. // this is what i had function enloop($dowork){ for ($i=1; $i&lt;=5; $i++) { returns base64_encode($dowork); } } enloop($code); //THIS SCRIPT DOES THIS Repeats the encode 5 times, lets say your encodign the word test for example the output would be dGVzdA==dGVzdA==dGVzdA==dGVzdA==dGVzdA==

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• What is the sense of permiting the user to use no passwords longer than xx chars?

  - by reox

  Its more like a usability question or maybe database, or even maybe security (consider injection attacks) but what is the sense of permiting the user's password to a be not longer than xx chars? It does not make any sense to me, because longer passwords are mostly considered better and even harder to crack, and some users use password safes, so the password length should not matter. I understand that passwords with more than 20 chars are hardly to remember, but if you use diceware or password safe you dont have any problem with that. I really cant understand why there are sites that say "your password need to be between 5 and 8 chars"... also should the password saved as hash, so the length of the field in the database is fixed, so where is the problem? i think that most of the sites where the password is has to be a fixed length are not even using any hashing method...

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• How to add an self defined attribute to ldap user?

  - by Arnab Das

  Hi, I have created an attribute in LDAP using the following code. attrs.put("NUMERICOID", "1.3.6.1.4.1.42.2.27.4.2.3.1.1.9"); attrs.put("NAME", "myattribute"); attrs.put("DESC", "for JNDITutorial example only"); attrs.put("SYNTAX", "1.3.6.1.4.1.1466.115.121.1.15"); DirContext schema = context.getSchema(""); DirContext newAttr = schema.createSubcontext ("AttributeDefinition/myattribute1", attrs); The attribute is created successfully, Now I am trying to add this attribute to a user say "user1"(uid). Attributes attributeslist = context.getAttributes(ld.getUserDN(username)); attributeslist.put("myattribute1", ""); context.modifyAttributes(ld.getUserDN("test5"), DirContext.REPLACE_ATTRIBUTE, attributeslist); But it gives me object class violation error. Can anyone help me to solve this? I need to add an user defined attribut to the user using java code.

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• Ontology and same individuals

  - by blueomega

  I am having a problem with "same individuals property" in protege, when i run a reasoner (pellet 1.5 or fact++) Lets take ontology example thing has class sons A and B, A has sons C and D. B, C and D have individuals of the same class. Cant i say a individual C is "same individual" as individual B, and then add also individual D is "same individual" as individual B. Wich is true, they have diferent names, but they are same individual.. Why does it only work when i set individual B has "same individual" of type C or D? The protege error is "InconsistentOntologyException:Fact++.Kernel: inconsistent Ontology" and pellet says ontology is inconsistent. EDIT: Seems its a more deep rooted problem, this example works :(, gonna keep checking. EDIT2: After some more experimenting, seems its a conflict with DataType properties. They all share a DataType properties with same name. In the example domain of property would be A and range string. Any idea how to solve?

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• Need help with homework(very short code)

  - by b3y4z1d

  I have a code, and I need to have it done until friday or so.I'd say 95% of it is finished,but the functions and the function-calling could use some grooming. It is really simple for anyone who knows C++ pretty well, but I'm a newbie and I just can't seem to get through this with the functions so if anyone could take a look and correct the few mistakes or add a line or two if needed I'd be very grateful. Here is the link to the full code, you'll understand the purpose of the code once you see it. I use Borland C++ by the way if it helps. Thanks in advance!

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• jaxb entity print out as xml

  - by Cristian Boariu

  Hi, I have a class, let's say User adnotated with @XmlRootElement, with some properties (name, surname etc). I use this class for REST operations, as application/xml. The client will POST User class so i want to keep the values in the log. Is there any method in jax-ws to prints out this object as xml? For instance: log.info("Customers sent a USER"+user.whichMethod()); Customer sent a User <user> <name>cristi</name> <surname>kevin</surname> </user> Thanks.

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• What regular expression do I need to check for some non-latin characters?

  - by zeckdude

  I am checking a field if it is Latin Characters or not. var foreignCharacters = $("#foreign_characters").val(); var rlatins = /[\u0000-\u007f]/; if (rlatins.test(foreignCharacters)) { alert("This is Latin Characters"); } else { alert("This is non-latin Characters"); } This works well, but I would like to change it so when I enter any non-latin characters, such as chinese characters, along with a space(which is within that range I am using currently) it will still say it is non-latin characters. How can I change the regular expression I have to do that?

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• Rails best practice on conditional parameters in a controller action

  - by randombits

  I have a controller create action looks for one or more parameters in the following ruleset. Let's say we have two parameters, foo and bar. The rules are the following: 1) if foo doesn't exist in the parameter list, bar must. 2) if bar doesn't exist in the parameter list, foo must. 3) they can both co-exist. they can't both be omitted (that's redundant with my rules above :) ) Can anyone show an example in Rails on how this is handled in the controller? Should I use a before_filter? Would appreciate some guidance as this isn't something that ActiveRecord validates.. so I'd need to build an error message to the user directly from controller logic, not model logic. For bonus points, I output the error in XML, so if you can show how that's done, that'd be great. Hypothetically let's call the resource "Lorem", so it is created via http://foo/lorem.xml and we have lorem_controller.rb.

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• On site load, how do you wrap all images in a link dynamically using Javascript?

  - by akaii

  I have barely any experience working with DOM and using Javascript, and I have a very specific task that I'm trying to accomplish. Let's say I have an image in my HTML: <img src="foo.jpg" /> When the site loads, I want to take that image (all images in the document, actually), and wrap them in a link: <a href="http://www.foobar.com"><img src="foo.jpg" /></a> What could I use to accomplish this? Google hasn't turned up much for me with regards to this specific task. On load, I can access and iterate all the images in the document... but I'm not sure where to go from there in order to wrap the image in a link.

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• What's the ROI of using a build tool like ant or nant?

  - by leeand00

  To me this sounds like a really stupid question. Why would you not use a build tool? However, I need to explain my co-worker why he should be using a build tool of some sort. He's getting really into the idea of working as a team with more programmers, but he isn't understanding the bigger picture of what needs to change in the build process in order to work with a larger team; (i.e. defensive programming/unit testing your code, having a bug database, programming modular libraries, and using sub-repositories to store modules in version control. This is a rather large stack of technologies that I need to prove the ROI of...so I figured I'd start with the ROI of using a build tool rather than just...say...clicking compile.

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• How should I build a privacy drop-down (select) menu?

  - by animuson

  I'm trying to build something similar to Facebook's privacy selection menu, except without the 'custom' option. It will only list a few options such as 'show to all', 'show to friends only', or 'completely hidden'. Right now I'm thinking of using simple JavaScript to change a hidden input field to the new value they click on, so if they clicked on the division for 'show to friends only' it would change the corresponding field, say 'email_privacy', to 1. Is there a better way to do this or am I pretty much on track? P.S. I am not planning on using a select element, I was planning on building a custom drop-down menu using CSS since select elements are so highly non-customizable. I'm doing it this way to save space, rather than having this massive selection menu at the right which takes up a bunch of space. Note: I'm not really interested in using jQuery, that's just extra libraries and crap that I don't want to load. I can do it in JavaScript just as easily so I might as well use that.

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• Open a chrome tab from delayed javascript window.open

  - by jettero

  When I window.open("http://blarg") in chrome, I get a new tab. If I delay the open, say using a jquery $(hrm).animate({},5e3,function(){window.open(url)); it opens the url in a new window with no status bar, etc — if I give it permission to pop-up that is. I'm looking for a way to get the instant behavior, that is, I wish to open a URL after an animation, but still in a new tab. I imagine I could get by with learning a way to instruct chrome to never ever open pop-ups and to always open them in tabs (I imagine there's a webkit setting, why it's not a built in is a mystery); but I'd rather try to find a way to do it from the javascript if possible. I somewhat doubt there's any way to do this though. I'm not aware of any javascript that's tab-aware.

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• How to programmatically change a data cell of Ms Access using VB.Net?

  - by manuel

  I have a Microsoft Access database file connected to VB.NET. In the database table, I have a 'No.' and a 'Status' column. Then I have a textbox where I can input an integer. I also have a button, which will change the data cell in 'Status' where 'No.' = textbox.Text(), when I click it. Let's say I want the 'Status' cell to be changed to "Low". What codes should I put in the button_Click event handler? Here is the codes I used to retrieve and display the database table. Public Class theForm Dim con As New OleDb.OleDbConnection Dim ds As New DataSet Dim daTitles As OleDb.OleDbDataAdapter Private Sub theForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=|DataDirectory|\db1.mdb" con.Open() daTitles = New OleDb.OleDbDataAdapter("SELECT * FROM Titles", con) daTitles.Fill(ds, "Titles") DataGridView1.DataSource = ds.Tables("Titles") DataGridView1.AutoResizeColumns() End Sub

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• Detecting network adapter changes on the iPhone

  - by theactiveactor

  Say that there are no WIFI networks currently available and my network-enabled app is connected over 3G. How can I detect if a user has roamed into a WIFI network? I would also like to detect the case when the user is connected over WIFI and suddenly received 3G signal. In other words, I would like to be asynchronously notified of network adapter changes. I tried using the SCNetworkReachability framework asynchronously but found that for some reason, I am not receiving Wifi-related events (i.e. adapter on/off) when connected over 3G.

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• Join a single row in one table to n random rows in another

  - by Einar Egilsson

  Is it possible to make a join in SQL server that joins each row from table A to n random rows in another? For example, say I have a Customer table, a Product table and an Order table. I want to join each customer to 5 random products and insert these rows into the order table. (And each customer should be joined to 5 random rows of his own, I don't want all customers joining to the same 5 rows). Is this possible? I'm using SQL Server 2005 and it's fine if the solution is specific to that. This is a weird requirement but I'm basically making a small data generator to generate some random data.

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• Constant value.

  - by Harikrishna

  Is there any constant value like if we display it in the datagridview it will not display and if we add it in the decimal value the value remains as it is ? Like what I am doing is, I am making addition of two columns say B,C for the column A like dataTable.Columns["A"].Expression="B+C"; Now problem is when there is any value of column B or C is null then there is no value in the column A because of A=B+C like 1+null is null. And even I can not replace 0 where there is null for the column B or C because I am displaying records of each column A,B and C in the datagridview and I don't want to display value for column which has value null so if I replace 0 where there is null then 0 will be displayed for that column which I don't want. So what should I do for that ? So what is the constant value which I should replace for null value for the column B and C so if value of A remains it is and even that value will not be displayed in the datagridview.

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• Is it ok to Swallow SocketExceptions in some situations? (C#)

  - by NoPyGod

  Let's say I've programmed an application which connects to a server using the Socket Class (TCP). If I encounter a SocketException while reading or writing, then obviously I have to do go ahead and run a disconnection routine to change the application's state to Disconnected. But what if I've started to Disconnect, and while I'm cleaning up, a SocketException occurs? The SocketException doesn't really mean anything to me, as I was going to shutdown the socket myself anyway.. so is it ok to swallow it? I really want to know what the best practice for this situation is.

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• Get all Select Elements in a Form by referencing $(this) instead of $("form select")

  - by DaveDev

  Hi Guys I'm currently getting all the Select elements that exist in a form with the following: $("form").submit(function(event) { // gather data var data = GetSelectData($("form select")); // do submit $.post($(this).attr("action"), data, ..etc) }); Instead of passing in $("form select"), is there a way I can say something like $(this).children('select') // this doesn't work, btw to get all the select elements that exist within the context of the form the submit event is executing for? This will allow me to reduce my code to the following, moving all the functionality into a common function: $("form").submit(function(event) { GatherDataAndSubmit($(this)); }); function GatherDataAndSubmit(obj) { var data = GetSelectData(obj.children('select')); $.post(obj.attr("action"), data, ..etc) } Thanks Dave

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• How to determine what invokes User Access Control restrictions?

  - by MX4399

  In a Delphi app intended to build an internet software update service for my software, the Windows 7 UAC system requests authorization from the user to run the exe.The following possible contentious/risk areas exist in the code: A named pipe server is created for communications TCP is used for FTP and HTTP SHGetSpecialFolderPath api call is used Before these items where added UAC did not activate, removing each in turn including all unit reference and then ending with the bare bones exe still causes the UAC event - so its not possible say what is causing it. On top of this Delphi 2007 now requires being launced as an administrator to launcg a debugging process for the app. Question 1 : How can I see what is causing this besides starting from scratch in a new exe - IOW is there a log somewhere I can check Question 2 : Will using a signed exe using authenticode still cause the UAC alert to show

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• Delay function from running for n seconds then run it once. (2minute question)

  - by Ozaki

  TLDR I have a function that runs on the end of a pan in an openlayers map. Don't want it to fire continously. I have a function that runs on the end of panning a map. I want it so that it will not fire the function until say 3 secconds after the pan has finished. Although I don't want to queue up the function to fire 10 or so times like setTimeout is currently doing. How can I delay a function from running for n seconds then run it only once no matter how many times it has been called?

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• Why would a TableAdapter populate a DataSet with "1/1/2000" for an entire timestamp column?

  - by Rob

  I have a TableAdapter filling a DataSet, and for some reason every select query populates my timestamp column with the value 1/1/2000 for every selected row. I first verified that original values are intact on the DB side; for the most part, they are, although it seems a few rows lost their original timestamp because of update queries performed programmatically before the issue was discovered. The DataColumn type is DateType, while the database (Postgres) column type is timestamp. Up until recently, this was all playing very nicely. I noticed the issue in a bound DataGridView control, and verified that this is not related to data binding by utilizing the 'Preview Data' option in the VS DataSet Editor. Usually when I notice unexpected values popping up in my application it's related to a mis-configured property, type conflict, or another silly mistake I've made. So after checking properties and types, and even recreating the TableAdapter from scratch, to say I'm a little baffled is an understatement. Does anyone have any ideas of what I could do to fix the issue and/or diagnose the cause?

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