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• Application file (Real world example)

  - by aalhamad

  Looking for guidelines to create application file. For example I have an application that store user input into a file (Textbox, DataGrid, ListBox etc). I'm looking for WPF-C# implementation. I would like to have the following: If user edit a any form(Textbox, etc) an asterisk is displayed to the window title. When window is closed and asterisk is still there, a promote "Would you like to save changes" appears. If then saved the asterisk disappear. What do real applications use to create their application file? (Note: I'm not looking for database saving or SQL) I'm just looking for hints and guidelines. Thank you.

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• Passing Large amount of data in PHP.

  - by Simple

  I would like to know what is the best way to pass a large amount of XML data from one PHP script to another. I have a script that reads in an XML feed of jobs. I would like to have the script display a list of the job titles as links. When the user clicks a link they would be taken to another page displaying the details for that job. The job details are too large to send in the query string, and it seems poor style to start a session for data that isn't specific to that user. Any ideas?

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• help with stored procedure

  - by I__

  i am looking at this site: http://cloudexchange.cloudapp.net/stackoverflow/s/84/rising-stars-top-50-users-ordered-on-rep-per-day set nocount on DECLARE @endDate date SELECT @endDate = max(CreationDate) from Posts set nocount off SELECT TOP 50 Id AS [User Link], Reputation, Days, Reputation/Days AS RepPerDays FROM ( SELECT *, CONVERT(int, @endDate - CreationDate) as Days FROM Users ) AS UsersAugmented WHERE Reputation > 5000 ORDER BY RepPerDays DESC i am also a beginner at SQL. i have the following questions about this code: is this mysql or mssql? what does this do? set nocount off why is this in brackets? [User Link] what does this do? CONVERT(int, @endDate - CreationDate) as Days thanks!

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• My table cells don't highlight immediately when touched

  - by Steve Denenberg

  Hi, In my app, I have a table view that has about eight cells. There is a navigation bar at the top. When a user touches a cell, nothing happens for about 1/2 second. Then the touched cell highlights blue and immediately the new view slides into position. The problem is that there is no feedback to the user about which cell he touched until just before the new view slides into position. For example, when I explore the tables in the iPhone's Settings application, when you touch a cell, the cell immediately turns blue, and then there is a 1/2 second delay, and then you see the new view. How do I get my table's feedback of highlighting the cells to happen immediately? I am using tableView didSelectRowAtIndexPath:, and each cell has an accessory button. Thanks for any insight.

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• Where to store users visited pages?

  - by kofto4ka

  Hi there. I have a project, where I have posts for example. The task is next: I must show to user his last posts visit. This is my solution: every time user visits new (for him) topic, I create a new record in table visits. Table visits has next structure: id, user_id, post_id, last_visit. Now my tables visits has ~14,000,000 records and its still growing every day.. May be my solution isnt optimal and exists another way how to store users visits? Its important to save every visit as standalone record, because I also have feature to select and use users visits. And I cant purge this table, because data could be needed later month, year. How I could optimize this situation?

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• SQL - Link to more table information

  - by BioXhazard

  I have a datagrid with 3 of 5 fields from a SQL table. The first databound was changed to an asp:hyperlink so the field can be clicked. What I want to do is, when the user clicks an object in the field, it sends the ID to another page. From there, it uses the request in order to display the required information which is found in the same SQL table. For example: User clicks on a cell in the first column, it brings them to a page with more information on that cell.

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• Running a loop (such as one for a mock webserver) within a thread

  - by bob c

  I'm trying to run a mock webserver within a thread within a class. I've tried passing the class' @server property to the thread block but as soon as I try to do server.accept the thread stops. Is there some way to make this work? I want to basically be able to run a webserver off of this script while still taking user input via stdin.gets. Is this possible? class Server def initialize() @server = TCPServer.new(8080) end def run() @thread = Thread.new(@server) { |server| while true newsock = server.accept puts "some stuff after accept!" next if !newsock # some other stuff end } end end def processCommand() # some user commands here end test = Server.new while true do processCommand(STDIN.gets) end In the above sample, the thread dies on server.accept

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• [C#] Implementing different windows/forms in a Windows Mobile application?

  - by pbean

  I am a bit new to Windows Mobile (with C# and the compact framework) development, so I am kind of unsure how to do this. The user has to go through several pages of information in a wizard-like manner. At the start there is a login window. How would I go about and implement this? Would I just have different User Controls for each page and create/show and destroy/hide them on request? Or do I need to create different forms and somehow show those?

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• How messengers (IM) works (listening) ?

  - by Panda

  My task is to write a Messenger program for both internal and external staffs, I actually made it. However, I thing this is really not a good approach by using the client software keep "check-mesg" from server. So I think I am just simulating the IM program. I want to make the client app become a listening server, and let user p2p talking without a "mesg-centre" at the main server(unless offline mesg happen). The question is how do I tell the external user ( other client app ) my location while I am behind a router ? Are those other IM programs running on the client machine as a server too? and how do they get through ? Thanks in advance!

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• Localized database strings

  - by Steve

  I have a small Grails application that has the following domain: class Meal { String name String description String allergyNote } For localization purposes the three strings should now be available in multiple languages. For example, while an English user would see name="Steak", a Spanish user should see name="Filete" in the output. I was thinking of doing the following: class Language { String isoCode String languageName } class TranslatedString { Language language String translation } but I am not sure how to link the Meals with the TranslatedStrings as it is used for three members, also I would like to use it for other classes (not just Meal) as well (or do I need to have separated tables, i.e. a MealNameTranslated, MealDescriptionTranslated, etc tables?). I know this is probably a stupid question, but I am a beginner and have not been able to figure this out :-(

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• Using a method defined in appliciaton_controller.rb in application_controller.rb

  - by E.E.33

  I want to change my layout based on whether or not the current user is an admin. So I made a simple method to check if current user is admin, I then call that method in application controller. I keep getting the following error: undefined method `is_admin?' for ApplicationController:Class My code looks like this: class ApplicationController < ActionController::Base protect_from_forgery helper_method :current_user, :is_admin? if is_admin? layout 'admin' end ..... protected ..... def is_admin? if current_user.user_role == 'admin' return true end end end How should I be doing this? Thanks

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• codeigniter with php-javascript - time taken to chose the option in cofirm dialog.

  - by ASD

  need to know after how long the user chose the option in confirm message displayed as alert message in php codeigniter

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• Detect if the iframe content has loaded successfully.

  - by skinssay

  Hi, I have a widget that contains an iframe. The user can configure the url of this iframe, but if the url could not be loaded (it does not exists or the user does not have access to internet) then the iframe should failover to a default offline page. The question is, how can I detect if the iframe could be loaded or not? I tried subscribing to the 'load' event, and, if this event is not fired after some time then I failover, but this only works in Firefox, since IE and Chrome fires the 'load' event when the "Page Not Found" is displayed.

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• What to do if 2 (or more) relationship tables would have the same name?

  - by primehunter326

  So I know the convention for naming M-M relationship tables in SQL is to have something like so: For tables User and Data the relationship table would be called UserData User_Data or something similar (from here) What happens then if you need to have multiple relationships between User and Data, representing each in its own table? I have a site I'm working on where I have two primary items and multiple independent M-M relationships between them. I know I could just use a single relationship table and have a field which determines the relationship type, but I'm not sure whether this is a good solution. Assuming I don't go that route, what naming convention should I follow to work around my original problem?

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• Jquery and DatePicker - change calendar by the date in the input field

  - by Y.G.J

  i have the value polled from the db and if the user want to change it - i want the calendar to be set first to the date already in the field

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• Error when changing or resetting FBProfilePictureView profileId

  - by Jeff Schwartz

  I have programmatically added an FBProfilePictureView object to a view. When initially logging in, the user's profile picture displays as expected when setting the profileId of the object within the FBLoginViewDelegate method loginViewFetchedUserInfo:user:. However, when logging off the following line of code produces an error: profilePicture.profileId = nil; The error thrown is: [__NSCFNumber isEqualToString:]: unrecognized selector sent to instance Note: This was only an issue after I incrementally upgraded the iOS SDK from 3.5 to 3.8. If anyone has encountered this issue, please let me know. Thanks!

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• jQuery - Set selected value of all dropdowns on page

  - by Tgibson

  Hello Frieds, I have another jQuery question. For a user control with lots of database activity, I would like to use jQuery to set the selected values of all of the dropdowns to their "current" value. I want to do this to make the page appear to have finished the database call. My jQuery skill is not the best, but I believe I need to use the pageLoad(). And since each dropdown is inside of a user control I can search for those dropdowns beginning with "usrControl" $('select[id ^="usrControl"'].each(function(){ var selectedValue = $(this).val() $(this).val(selectedValue) }); Something like this is what I have in mind. Thanks

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• How do i implement a message box in a Cocoa application?

  - by mikede

  I have implemented delete functionality in cocoa application now i want to show one meesage box when user click on delete button.

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• Is this time related process accounting stats gathering appropriate?

  - by Ceko Cakata

  Based on sys/acct.h (V1, not V3) I need to gather some user usage statistics based on a parser that parser the acct file line by line. The parser will run and parse the entire file every N seconds and I need to gather user statistics accumulated since the last run (N seconds back). I'm not sure what will be the most appropriate way to do it based on the info provided by sys/acct.h. Maybe something like this: if ((ac_btime + ac_etime) < (current_time - N)) { gather; } Also comp_t is said to be "floating-point value consisting of a 3-bit, base-8 exponent, and a 13-bit mantissa", but I think u_int16_t is just a unsigned short int. Should I be converting it to long it with the provided formula or not?

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• Does Java have "properties" that work the same way properties work in C# (see the body of my text)?

  - by tyrone302

  In C#, you can use properties to make a data field publicly accessible (allowing the user to directly access it), and yet retain the ability to perform data validation on those directly-accessed fields. Doese Java have something similar? For Instance, suppose there exists a C# class with the following implementation(see below): public class newInt{ public newInt(){...} public int x{ get{ return this.x } set{ this.x = isValid(value) } } } private static int isValid(int value){...} This definition in the class allows the user to "naturally" use the data field 'x' when retrieving values from it and assigning values to it. Below is how it would be used in main. public class Test{ public static void main(String[] args){ newInt a = new newInt(); a.x = 50; int b = a.x; } } The question is... can java do this as well? if so, what is it called?

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• Origin of discouraged perl idioms: &x(...) and sub x($$) { ... }

  - by knorv

  In my perl code I've previously used the following two styles of writing which I've later found are being discouraged in modern perl: # Style #1: Using & before calling a user-defined subroutine &name_of_subroutine($something, $something_else); # Style #2: Using ($$) to show the number of arguments in a user-defined sub sub name_of_subroutine($$) { # the body of a subroutine taking two arguments. } Since learning that those styles are not recommended I've simply stopped using them. However, out of curiosity I'd like to know the following: What is the origin of those two styles of writing? (I'm sure I've not dreamt up the styles myself.) Why are those two styles of writing discouraged in modern perl? Have the styles been considered best practice at some point in time?

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• Allow users to pull temporary data then delete table data (headers remain)?

  - by JM4

  I don't know the best way to title this question but am trying to accomplish the following goal: When a client logs into their profile, they are presented with a link to download data from an existing database in CSV format. The process works, however, I would like for this data to be 'fresh' each time they click the link so my plan was - once a user has clicked the link and downloaded the CSV file, the database table would 'erase' all of its data and start fresh (be empty) until the next set of data populated it. My EXISTING CSV creation code: <?php $host = 'localhost'; $user = 'username'; $pass = 'password'; $db = 'database'; $table = 'tablename'; $file = 'export'; $link = mysql_connect($host, $user, $pass) or die("Can not connect." . mysql_error()); mysql_select_db($db) or die("Can not connect."); $result = mysql_query("SHOW COLUMNS FROM ".$table.""); $i = 0; if (mysql_num_rows($result) > 0) { while ($row = mysql_fetch_assoc($result)) { $csv_output .= $row['Field'].", "; $i++; } } $csv_output .= "\n"; $values = mysql_query("SELECT * FROM ".$table.""); while ($rowr = mysql_fetch_row($values)) { for ($j=0;$j<$i;$j++) { $csv_output .= '"'.$rowr[$j].'",'; } $csv_output .= "\n"; } $filename = $file."_".date("Y-m-d",time()); header("Content-type: application/vnd.ms-excel"); header("Content-disposition: csv" . date("Y-m-d") . ".csv"); header( "Content-disposition: filename=".$filename.".csv"); print $csv_output; exit; ?> any ideas?

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• strange behavior of <> to filter null values

  - by Kerezo

  Hi experts: I have a table Called tblAlarm and it has some records like this: I have another table for determine what user see what message: Now I want to write a query to show Messages that user has not seen if message didinot expired.(for example it's year between BeginYear and EndYear and so on ...). I write this query: SELECT * FROM tblAlarms LEFT OUTER JOIN tblUsersAlarms tua ON tblAlarms.Id=tua.MessageID WHERE @CurrentYear BETWEEN tblAlarms.BeginYear AND tblAlarms.EndYear AND @CurrentMonth BETWEEN tblAlarms.BeginMonth AND tblAlarms.EndMonth AND @CurrentDay BETWEEN tblAlarms.BeginDay AND tblAlarms.EndDay AND (@CurrentHour * 60 + @CurrentMinute) BETWEEN tblAlarms.BeginHour*60 + tblAlarms.BeginMinute AND tblAlarms.EndHour*60 + tblAlarms.EndMinute --AND (tua.UserID <> 128 AND tua.UserID IS NULL) and it returns : but if I unComment last line it does not return any record.How I can determine what messages that users has not been seen? thanks

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• How do I clear the terminal screen in Haskell?

  - by Pradeep

  How can I clear a terminal screen after my user has selected an option from my application's menu?

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• is there any way to get country names from iPhone APIs?

  - by chiemekailo

  Hi, I want to provide a picker to the user to select a country. I've had a look in the NSLocale docs and I can get a list of all of the country codes supported on the device, which feels like a start: Code: NSArray *codes = [[NSArray alloc] initWithArray:[NSLocale ISOCountryCodes]]; But I can't work out if there is a programatic way to convert this array into country names... Ideally this list would be localized as well, i.e. show the country name in the user's preferred language. Can anyone point me in the right direction?

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