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  • Installation Error When Installing Package from R Forge

    - by Suminda Sirinath Salpitikorala
    I am trying to update zoo from R Forge. install.packages("zoo", repo = "http://r-forge.r-project.org") But I get the following error Installing package(s) into ‘C:/REVOLU~1/R-COMM~1.3/R-212~1.2/library’ (as ‘lib’ is unspecified) Warning in install.packages : cannot open: HTTP status was '404 Not Found' Warning in install.packages : cannot open: HTTP status was '404 Not Found' Warning in install.packages : unable to access index for repository http://r-forge.r-project.org/bin/windows/contrib/2.12 Warning in install.packages : package ‘zoo’ is not available I am using Revolution R Community version 4.3 (64-bit). install.packages("zoo") Installs a slightly dated version of zoo

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  • Updating Activity UI from Different Activity Method?

    - by stormin986
    I have a tab widget where one of the tabs is a chat-type feature. I want to update the chat data at an interval (variable depending on whether the chat tab is active or not). The best approach seemed to be using an AsyncTask in my main TabActivity class, as that would avoid any issues of the chat activity being destroyed while in the background, while an AsyncTask was running. I wanted to ensure that the Activity isn't destroyed and recreated, thus causing my AsyncTask to be unable to modify the actual active Activity's data. However, now that my AsyncTask is in the TabActivity activity, I don't have a direct way to call my Chat's ListAdapter notifyDataSetChanged() from my onPostExecute() method anymore. Is there a way to get a reference to a given Tab's current Activity from the TabHost/TabActivity? Or, alternatively, can I assume my chat activity will never be destroyed as a child activity of the TabActivity activity (well, never destroyed while the TabActivity is active at least), and then just put the AsyncTask in the Chat Activity?

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  • Why TortoiseHg not show the "merge conflict"?

    - by Jian Lin
    Short version of the question: Since I already have TortoiseHg, I right clicked on that file trying to see the merge conflict visually, but there is no way to see it? Details: To make a simple case of merge conflict, I hg init a repo on Win 7, and then clone it to another folder. Now, in one working directory, i added the line "the code is 123", committed. And in the other folder, i did an "hg pull" and "hg update" Now, I go back to the first folder, and change "123" to "123abc", and then do an "hg commit" And then I go to the other folder and edit "123" to "123xyz" over there, and do an "hg commit", and when "hg push", it says it can't. So I try to use any visual tool to see how the conflict is like, but ... TortoiseHg doesn't seem to have any option to do that?

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  • How does Play recognize a particular websocket message?

    - by noncom
    I am looking at the websocket-chat example. It unveils much, but I still cannot get something. I understand how messages are received, processed and sent on the web page side. However, Play captures websocket messages by means of the receive method of an Akka actor. In the websocket-chat, there are several cases in this method, but I don't get, how does it know which websocket message should be mapped to which case. In fact, I don't understand the path that a websocket message follows upon entering Play's domain, how is it processed and how can different message types/kinds be sent from the webpage. I have not find any info or sources related to this. Could please someone explain this or point to some kind of a good reference? UPDATE: The link to the original example.

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  • Using current database name in T-SQL has Using statement

    - by AmRoSH
    Hello everybody. I have application runs T-SQL statements to update more than one database the problem is i'm using the following t-sql USE [msdb] GO DECLARE @jobId BINARY(16) EXEC msdb.dbo.sp_add_job @job_name=N'test2', @enabled=1, @start_step_id=1, @notify_level_eventlog=0, @notify_level_email=2, @notify_level_netsend=2, @notify_level_page=2, @delete_level=0, @description=N'', @category_name=N'[Uncategorized (Local)]', @owner_login_name=N'sa', @notify_email_operator_name=N'', @notify_netsend_operator_name=N'', @notify_page_operator_name=N'', @job_id = @jobId OUTPUT select @jobId GO EXEC msdb.dbo.sp_add_jobserver @job_name=N'test2', @server_name = N'AMR-PC\SQL2008' GO USE [msdb] GO EXEC msdb.dbo.sp_add_jobstep @job_name=N'test2', @step_name=N'test', @step_id=1, @cmdexec_success_code=0, @on_success_action=1, @on_fail_action=2, @retry_attempts=0, @retry_interval=0, @os_run_priority=0, @subsystem=N'TSQL', @command=N'EXEC sp_MSforeachdb '' EXEC sp_MSforeachtable @command1=''''DBCC DBREINDEX (''''''''*'''''''')'''', @replacechar=''''*''''''', @database_name=N'Client5281', @output_file_name=N'C:\Documents and Settings\Amr\Desktop\Scheduel Reports\report', @flags=2 GO USE [msdb] GO DECLARE @schedule_id int EXEC msdb.dbo.sp_add_jobschedule @job_name=N'test2', @name=N'test', @enabled=1, @freq_type=8, @freq_interval=1, @freq_subday_type=1, @freq_subday_interval=0, @freq_relative_interval=0, @freq_recurrence_factor=1, @active_start_date=20100517, @active_end_date=99991231, @active_start_time=0, @active_end_time=235959, @schedule_id = @schedule_id OUTPUT select @schedule_id GO and i'm using (USE [msdb]) before any block and i want to get database name to replace this @database_name=N'**Client5281**', with the current database name instead of ([msdb]) that i'm using. i hope that i explained what i want well.

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  • How to setup Expression Blend 3 add-in window at certain position ?

    - by j23tom..pl
    For example in Sketchflow add-in there is ApplicationFlowPane (derrived from PrototypingPane) which registers itself using IWindowService like this: service.RegisterPalette(this.PaletteRegistryName, this, this.Caption, this.KeyBinding); But i can't see where it is defined that it is docked on bottom pane. Before someone replies that it's at: %AppData%\Microsoft\Expression\Blend3\Workspaces No it's not there because those files do not exists at first run. The question is how can i put my window at certain position with Expression Blend 3 plug-in api ? update 1: It seems that to achive what i want i have to change design.xaml (where workspaces are defined) which is loaded from satellite assembly Microsoft.Expression.Blend.resources.dll (method load in class FrameworkPackage in Microsoft.Expression.Blend.dll). But since this dll is strongly named i can't change it. So now the question is. Is there any other way I can change Design Workspace at runtime ?

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  • parsing Two-dimensional array in c

    - by gitter78
    I'm trying to parse an array that looks like the one below: char *arr[][2] = { { "1", "Purple" }, { "2", "Blue" }, { "22", "Red" }, ... }; I was thinking having a loop as: char *func(char *a){ for(i = 0; i<sizeof(arr)/sizeof(arr[0]);i++){ if(strstr(a,arr[i][0])!=NULL) return arr[i][1]; } } char *out; const char *hello = "this is my 2 string"; out = func(hello); In this case, I'm trying to get the second value based on the first one: Purple, Blue Red, etc.. The question is how would go in parsing this and instead of printing out the value, return the value. UPDATE/FIXED: It has been fixed above. Thanks

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  • storing huge amount of records into classic asp cache object is SLOW

    - by aspm
    we have some nasty legacy asp that is performing like a dog and i narrowed it down to because we are trying to store 15K+ records into the application cache object. but that's not the killer. before it stores it, it converts the ADO stream to XML then stores it. this conversion of the huge record set to XML spikes the CPU and causes all kinds of havoc on users when it's happening. and unfortunately we do this XML conversion to read the cache a lot, causing site wide performance problems. i don't have the resources to convert everything to .net. so that's out. but i need to obviously use caching, but int his case the caching is hurting instead of helping. is there a more effecient way to store this data instead of doing this xml conversion to/from every time we read/update the cache?

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  • Use DataContext to create schema in an existing blank database file?

    - by jdk
    With a DataContext and a blank file-based database that already exists, is it possible to write the Data Context classes (i.e. the ones I added to the designer) to create the db schema? With a data context I only see the abilities to either: create a new database file and have its structure created at the same time, or to populate data into an existing database having preexisting schema. I'm looking for a hybrid solution between those two worlds. Update 1: My proof that a preexisting db is not compatible with the Data Context CreateDatabase() operation is this error Database 'C:...\App_Data\IntermediateData.mdf' already exists. Choose a different database name. based on this code using (IntermediateClassesDataContext intermediateContext = new IntermediateClassesDataContext(_getIntermediateConn())) { intermediateContext.CreateDatabase(); }

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  • How to pause the timer in c#?

    - by Jay
    I have a timer in my code and the interval is 10s When the timer elapsed, I will do some checking, and it may takes more than 10s for checking and some update jobs. However, if I didn't stop the timer, seems the checking will execute every 10s ... If I call the stop(), seems the timer cannot be start again ... ie something like: protected void timer_elapsed(object sender, EventArgs args) { __timer.Stop(); //Some checking here more than 10s __timer.Start(); } I just want another 10s to check again after the before checking is done. anyone can help?

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  • Mysql_insert_id with Doctrine

    - by Industrial
    Hi! I have a couple of tables (mySQL) that i would like to update with the help of Doctrine. The products table id is auto-incrementing, and here's a brief description on what I would like to do: $prod = new Products(); $prod->type = '0'; $categ = new CategoriesToProducts(); $categ->cat = '111'; $categ->product = $prod->id; $conn = Doctrine_Manager::connection(); $conn->flush(); How can I do this while using flush? Using a regular save is an alternative, but there will be multiple transactions while doing such. I have tried to find a Mysql_insert_id version for doctrine, but without any luck. Thanks!

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  • Using Remote Web Server to Initialize iPhone App

    - by Chris_K
    My iPhone app relies on a vendor's XML feed to provide data. But that feed is not locked down. The vendor could change the format of the XML at any time, although so far they've promised not to. Since I might want to tell my app to use a different URL for its data source, I'd like to set up a single "Command Central" Web page, on my own server, to direct the app to the correct data source. In other words, each time my app starts, in the background and unseen by the user, it would visit "http://www.myserver.com/iphoneapp_data_sources.xml" to retrieve the URL for retrieving data from my vendor. That way, if my vendor suddenly changes the exact URL or the XML feed that the app needs, I can update that Web page and ensure that all installations of the app are using the correct XML feed. Does anyone have any advice or examples showing this kind of approach? It seems as if this must be a common problem, but so far I haven't found a well-established design pattern that fits it.

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  • How to implement/debug a sensor driver in ANDROID

    - by CVS-2600Hertz-wordpress-com
    Does anyone know of a walk-through or any examples of any code to setup sensors in android. I have the drivers available to me. Also i have implemented the sensors library as instructed in the Android-Reference along the sensors.h template. I am still unable to get any response at the apps level. How do i trace this issue? what might be the problem? Thanks in advance UPDATE: Jorgesys's link below points to a great APP to test if the sensor drivers are functioning properly or not. Not that i know they are not functioning, Any ideas of on where to dig??...

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  • Web based API that can tell me if a number is a landline or cell phone?

    - by MikeN
    My application sends SMS messages to people, but the numbers entered in as their cell phone are sometimes land lines (this is user error or the user not really knowing if the contact number they have is a cell phone or landline.) I found a few websites that can tell me if a number is a landline or cell phone, but they do not offer programatic API's. Is anyone aware of a way a web application can figure out if a number can receive SMS messages? I guess a test SMS message is one way, but my current SMS gateway fails hard when it gets a landline number and doesn't tell me the landline number it tried to send the SMS to. I'll follow this up with my carrier, but I would love an easy way to let the user entering phone numbers in if they are a landline or cell number. Update: There are ways to figure this out. Take a look at http://www.phonevalidator.com, they can query a phone number and figure out if it is a landline or cell phone.

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  • Would this prevent the row from being read during the transaction?

    - by acidzombie24
    I remember an example where reads in a transaction then writing back the data is not safe because another transaction may read/write to it in the time between. So i would like to check the date and prevent the row from being modified or read until my transaction is finish. Would this do the trick? and are there any sql variants that this will not work on? update tbl set id=id where date>expire_date and id=@id Note: dateexpire_date happens to be my condition. It could be anything. Would this prevent other transaction from reading the row until i commit or rollback?

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  • Updating Many-to-Many relationship with LinqToSQL

    - by Noffie
    If I had, for example, a Many-to-Many mapping table called "RolesToUsers" between a Users and an Roles table, here is how I do it: // DataContext is db, usr is a User entity // newUserRolesMappings is a collection with the desired new mappings, probably // derived by looking at selections in a checkbox list of Roles on a User Edit page db.RolesToUsers.DeleteAllOnSubmit(usr.RolesToUsers); usr.RolesToUsers.Clear(); usr.RolesToUsers.AddRange(newUserRolesMappings); I used the SQL profiler once, and this seems to generate very intelligent SQL - it will only drop the rows which are no longer in the mapping relationship, and only add rows which did not already exist in the relationship. It doesn't blindly do a complete clearing and re-construction of the relationship, as I thought it would. The internet is surprisingly quiet on the subject, and the query "LinqToSQL many-to-many" mostly just turns up articles about how the LinqToSQL data mapper doesn't "support" it very well. How does everyone else update many-to-many with LinqToSQL?

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  • Post High Score and Retrieve Position

    - by majman
    I'm not so savvy with MYSQL, so my apologies in advance is this is a dumb question. I've created a super basic PHP High Scores table. Upon inserting a new score into the DB Table, I'd like to retrieve the position of that score so that I can get 10 results with the persons score falling within that range. My INSERT Query looks something like: $stmt = $mysqli->prepare("INSERT INTO highscores (name, time, score) VALUES (?, ?, ?)"); $stmt->bind_param('sdi', $name, $time, $score); UPDATE - I'm looking for a way to do this with as few queries as possible. I recall reading something about getting an INSERT ID when making an insert, but I would then still have to make a second query to get those results.

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  • Custom components vs default components in GUI Design. Which is more practical? (.NET)

    - by AlexRednic
    Ok, so is it better to create my own components (Either inherit them from existing ones or creating them from scratch) or to use the ones that come by default? I'm asking this under the umbrella of scalability, overhead and other factors that my contribute on each of the choices. UPDATE: Sorry if I'm to vague. I don't really know how to explain myself better. Isn't it a good idea to inherit each default component? For example what if I'm to design a rather large application and for example i need to change the display format on a DateTimePicker. Wouldn't it better to think ahead and inherit it and use the inherited component instead of the defaults? But, wouldn't it add a lot of overhead in small applications?

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  • Exception handling in WebForms

    - by user999379
    I have a webform with a formview <asp:FormView ID="formViewBrouwers" runat="server" AllowPaging="True" DataKeyNames="BrouwerNr" DataSourceID="brouwerDataSource" onitemupdated="formViewBrouwers_ItemUpdated" onitemupdating="formViewBrouwers_ItemUpdating" oniteminserted="formViewBrouwers_ItemInserted" oniteminserting="formViewBrouwers_ItemInserting"> <EditItemTemplate> BrouwerNr: <asp:Label ID="BrouwerNrLabel1" runat="server" Text='<%# Eval("BrouwerNr") %>' /> <br /> BrNaam: <asp:TextBox ID="BrNaamTextBox" runat="server" Text='<%# Bind("BrNaam") %>' /> <br /> Adres: <asp:TextBox ID="AdresTextBox" runat="server" Text='<%# Bind("Adres") %>' /> <br /> Postcode: <asp:TextBox ID="PostcodeTextBox" runat="server" Text='<%# Bind("Postcode") %>' /> <br /> Gemeente: <asp:TextBox ID="GemeenteTextBox" runat="server" Text='<%# Bind("Gemeente") %>' /> <br /> Omzet: <asp:TextBox ID="OmzetTextBox" runat="server" Text='<%# Bind("Omzet") %>' /> <br /> Status: <asp:TextBox ID="StatusTextBox" runat="server" Text='<%# Bind("Status") %>' /> <br /> <asp:LinkButton ID="UpdateButton" runat="server" CausesValidation="True" CommandName="Update" Text="Update" /> &nbsp;<asp:LinkButton ID="UpdateCancelButton" runat="server" CausesValidation="False" CommandName="Cancel" Text="Cancel" /> </EditItemTemplate> <InsertItemTemplate> BrNaam: <asp:TextBox ID="BrNaamTextBox" runat="server" Text='<%# Bind("BrNaam") %>' /> <br /> Adres: <asp:TextBox ID="AdresTextBox" runat="server" Text='<%# Bind("Adres") %>' /> <br /> Postcode: <asp:TextBox ID="PostcodeTextBox" runat="server" Text='<%# Bind("Postcode") %>' /> <br /> Gemeente: <asp:TextBox ID="GemeenteTextBox" runat="server" Text='<%# Bind("Gemeente") %>' /> <br /> Omzet: <asp:TextBox ID="OmzetTextBox" runat="server" Text='<%# Bind("Omzet") %>' /> <br /> Status: <asp:TextBox ID="StatusTextBox" runat="server" Text='<%# Bind("Status") %>' /> <br /> <asp:LinkButton ID="InsertButton" runat="server" CausesValidation="True" CommandName="Insert" Text="Insert" /> &nbsp;<asp:LinkButton ID="InsertCancelButton" runat="server" CausesValidation="False" CommandName="Cancel" Text="Cancel" /> </InsertItemTemplate> <ItemTemplate> BrouwerNr: <asp:Label ID="BrouwerNrLabel" runat="server" Text='<%# Eval("BrouwerNr") %>' /> <br /> BrNaam: <asp:Label ID="BrNaamLabel" runat="server" Text='<%# Bind("BrNaam") %>' /> <br /> Adres: <asp:Label ID="AdresLabel" runat="server" Text='<%# Bind("Adres") %>' /> <br /> Postcode: <asp:Label ID="PostcodeLabel" runat="server" Text='<%# Bind("Postcode") %>' /> <br /> Gemeente: <asp:Label ID="GemeenteLabel" runat="server" Text='<%# Bind("Gemeente") %>' /> <br /> Omzet: <asp:Label ID="OmzetLabel" runat="server" Text='<%# Bind("Omzet") %>' /> <br /> Status: <asp:Label ID="StatusLabel" runat="server" Text='<%# Bind("Status") %>' /> <br /> <asp:LinkButton ID="EditButton" runat="server" CausesValidation="False" CommandName="Edit" Text="Edit" /> &nbsp;<asp:LinkButton ID="DeleteButton" runat="server" CausesValidation="False" CommandName="Delete" Text="Delete" /> &nbsp;<asp:LinkButton ID="NewButton" runat="server" CausesValidation="False" CommandName="New" Text="New" /> </ItemTemplate> <PagerSettings Mode="NextPreviousFirstLast" /> </asp:FormView> In my property Postcode I check the value like this: private Int16 postcodeValue; public Int16 Postcode { get { return postcodeValue; } set { if (value < 1000 || value > 9999) { throw new Exception("Postcode moet tussen 1000 en 9999 liggen"); } else { postcodeValue = value; } } } How can I handle the exception I threw? If there is an exception I want a label to appear with the following exception?

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  • Urgent Problem: Production site is breaking because of cached routes

    - by ming yeow
    Hi folks, i have an urgent problem. Essentially, my routing works on my localhost. But when i deployed this to production, the routes does not seem to work correctly. For example, given a new route "/invites" - sometimes i will get a 404, and sometimes it will work correctly. I suspect there is some caching going on somewhere, but i am not sure. Can someone help? UPDATE: when a page is not found (when it is supposed to be ok ) Processing UsersController#network (for 67.180.78.126 at 2010-06-01 09:59:31) [GET] Parameters: {"id"="new"} ActionController::RoutingError (No route matches "/comm/role_playing_games" with {}): app/controllers/application_controller.rb:383:in prev_page_label' app/controllers/application_controller.rb:238:in log_timed_info' app/controllers/users_controller.rb:155:in network' app/controllers/users_controller.rb:151:in network' app/controllers/application_controller.rb:44:in turn_on_query_caching' app/controllers/application_controller.rb:43:in turn_on_query_caching' app/controllers/application_controller.rb:42:in turn_on_query_caching' app/controllers/application_controller.rb:41:in turn_on_query_caching' app/controllers/application_controller.rb:40:in turn_on_query_caching' app/controllers/application_controller.rb:39:in turn_on_query_caching' haml (3.0.6) lib/sass/plugin/rack.rb:41:in `call' Rendering /mnt/app/releases/20100524233313/public/404.html (404 Not Found)

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  • Getting values from pro files in Qt

    - by user249490
    Hi, I am using Qt 4.5 in Windows XP. My pro file has the variable VERSION = 1.0. Now i need to read this variable and get its value (1.0) from the source code. So that I don't have to maintain another variable for version inside my source code. I just read from the pro file and update it. So that the value remains consistent all over my project. Is it possible? Any pointers regarding this are welcome..

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  • Client to access and edit a MySQL database remotely

    - by Scott
    Hey guys, So I have been given the host, username, and login information for a MySQL Database. I need a client that I can use to log in to the Database remotely and create/update tables and edit all the data. I found the MySQL Administrator client provided by them, but it seems you can do everything BUT edit the actual data with it. Is there anything like this? Would I be able to use SQL Server Express (or something similar), to connect to a remote server online and do all of this?

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  • Remove C# attribute of a property dynamically

    - by SysAdmin
    Hi, I have a class with a set of properties As given below. class ContactInfo { [ReadOnly(true)] [Category("Contact Info")] public string Mobile { get; set; } [Category("Contact Info")] public string Name{ get; set; } } The objects of this class is being assigned to a property grid, so that the users can update an existing contact. you can see that Mobile is marked as ReadOnly. But, when I want to add an entirely new Contact, I would want the users to be able to edit the contact Mobile also. For that I need to remove the Readonly property dynamically from the Type, before assigning the object to the property grid. Is it possible?

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  • window.parent is always undefined in an iframe

    - by Bill Yang
    Hi there, I have recently ran into this strange issue, I was trying to reference parent window in an iframe, but somehow window.parent or parent are always undefined. I got around the problem by using window.top, but this question still haunts me. Why is window.parent undefined? This is a .NET web app, if it helps. Update: I would like to add that both parent and child iframes are pointed to the same domain (localhost). As for code, I have tried the following code: if (parent != null) { // do something } where do something never happens, I also tried alert(parent) and alert(window.parent) they always come out as null.

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  • Whats the best way to implement a streaming quotes page?

    - by schar
    I have a webservice that gives me the live stock quotes. I need to hit the webservice and update the page every 10 seconds or so. what is the best way to implement this using .NET and AJAX? I am looking for tips in the following lines: How to implement the end ASPX page to refresh the content on a timeout event? Should i just implement the front end using custom html calling the aspx page using xmlhttp? sort of old style asp code. any ideas would be appreciated. sChar

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