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  • How do you escape parentheses in a Binding indexer

    - by Chris S
    I have the following XAML: <Grid x:Name="LayoutRoot" Background="White" DataContext="{Binding Source={StaticResource MyDataKey}}"> <TextBox Name="_myId" Text="{Binding MyDictionary[(Textbox.Name)]" /> </Grid> But it thinks the key in my dictionary is called "(Textbox.Name)", instead of "_myId". The format below works, where I have a property in my class called "_myId": <TextBox Name="_myId" Text="{Binding (Textbox.Name)" /> I've tried using ^ and \ to escape the brackets. Is this syntax supported? I'm trying to avoid duplication of the name in two attributes.

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  • Using stored procedures to generate RDLC report in C#

    - by NDraskovic
    I'm making an application that generates reports for my client. I'm using his database that contains stored procedures which return the data needed for the reports. The problem is that I don't know how to execute them from the application (more specific the TableAdapter in my dataset). When I use the visual aid to create the TableAdapter, it shows the error "Invalid object named #table1". This is weird because there is a temporary table called #table1 in the stored procedure. When I try to do the whole job programmatically, I get the exception Incorrect syntax near '.'. An object or column name is missing or empty. For SELECT INTO statements, verify each column has a name. For other statements, look for empty alias names. Aliases defined as "" or [] are not allowed. Change the alias to a valid name. I created a DataTable that has identical structure as the result of the stored procedure, but I still get the same exception

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  • Rails find by *all* associated tags.id in

    - by mark
    Hi Say I have a model Taggable has_many tags, how may I find all taggables by their associated tag's taggable_id field? Taggable.find(:all, :joins => :tags, :conditions => {:tags => {:taggable_id => [1,2,3]}}) results in this: SELECT `taggables`.* FROM `taggables` INNER JOIN `tags` ON tags.taggable_id = taggables.id WHERE (`tag`.`taggable_id` IN (1,2,3)) The syntax is incredible but does not fit my needs in that the resulting sql returns any taggable that has any, some or all of the tags. How can I find taggables with related tags of field taggable_id valued 1, 2 and 3? Thanks for any advice. :)

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  • Rails - Displaying Large Set of Data in a Table / Start new column after X rows

    - by ChrisWesAllen
    Hi, I trying to display a large set of checkboxes in my rails app and didnt knwo the syntax for displaying like 15 rows then after starting a new column. I have a model with about 120 entries. Currently, I have it being displayed in the view as.... <% for interest in Interest.find(:all) %> <%= check_box_tag Blah Blah Blah %> <%= interest.name %> <% end %> How can I make it so it makes a table and after every 15 or so rows make a new column???

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  • rails - form to disply non-input type fields in nested form

    - by nktokyo
    Hi, I guess this is a newbie question, but what is the syntax in a form to show contents of fields not as a text box/area, but rather like label would appear. <% form_for @user do |f| %> <% f.fields_for :user_ingreds do |builder| %> <p> <%= builder.??? %> </p> <% end %> <% end%> user has many user_ingreds and accepts_nested_attributes for user_ingreds. Basically I want to make a list of user_ingreds where the user can't edit the data but can remove the record from the list via a button - however the fields_for builder doesn't recognize a direct call to to the fields in user_ingreds model (ie, builder.user_id throws and error.

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  • Storing pointers in multi-dimensional array

    - by sdfqwerqaz1
    My intention is to create a dynamic 3D array in C++ using pointers. MyType*** myArray; myArray = new MyType**[GRID_SIZE]; for (int i = 0; i < GRID_SIZE; ++i) { myArray[i] = new MyType*[GRID_SIZE]; for (int j = 0; j < GRID_SIZE; ++j) { myArray[i][j] = new MyType[GRID_SIZE]; } } Now this 3D array is ready to store MyType instances. What is the correct syntax needed when declaring this array if I want to store pointers to MyType instead of just MyType objects in this array?

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  • running a stored procedure inside a sql trigger

    - by Ying
    Hi all, the business logic in my application requires me to insert a row in table X when a row is inserted in table Y. Furthermore, it should only do it between specific times(which I have to query another table for). I have considered running a script every 5 minutes or so to check this, but I stumbled upon triggers and figured this might be a better way to do it. But I find the syntax for procedures a little bewildering and I keep getting an error I have no idea how to fix. Here is where I start: CREATE TRIGGER reservation_auto_reply AFTER INSERT ON reservation FOR EACH ROW BEGIN IF NEW.sent_type = 1 /* In-App */ THEN INSERT INTO `messagehistory` (`trip`, `fk`, `sent_time`, `status`, `message_type`, `message`) VALUES (NEW.trip, NEW.psk, 'NOW()', 'submitted', 4, 'This is an automated reply to reservation'); END; I get an error in the VALUES part of the statmenet but im not sure where. I still have to query the other table for the information I need, but I can't even get past this part. Any help is appreciated, including links to many examples..Thanks

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  • Method overloading in groovy

    - by slojo
    I am trying to take advantage of the convenience of groovy's scripting syntax to assign properties, but having trouble with a specific case. I must be missing something simple here. I define class A, B, C as so: class A { A() { println "Constructed class A!" } } class B { B() { println "Constructed class B!" } } class C { private member C() { println "Constructed class C!" } def setMember(A a) { println "Called setMember(A)!" member = a } def setMember(B b) { println "Called setMember(B)!" member = b } } And then try the following calls in a script: c = new C() c.setMember(new A()) // works c.member = new A() // works c.setMember(new B()) // works c.member = new B() // doesn't work! The last assignment results in an error: 'Cannot cast object of class B to class A". Why doesn't it call the proper setMember method for class B like it does for class A?

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  • How can I initialize a 2d array in Perl?

    - by Mark
    How do I initialize a 2d array in perl? I am trying the following code: 0 use strict; 10 my @frame_events = (((1) x 10), ((1) x 10)); 20 print "$frame_events[1][1]\n"; but it gives the following error: Can't use string ("1") as an ARRAY ref while "strict refs" in use at ./dyn_pf.pl line 20. This syntax only seems to initialize a 1d array as print "$frame_events[1]\n" works. Though perl doesn't give any error during the assignment.

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  • if then endif , other smart solution in place of if then ....

    - by yael
    I have the following VB script How to write this VB script with case syntax? In order to perform professional writing in place if then…. yael Set fso = CreateObject("Scripting.FileSystemObject") If (fso.FileExists("C:\file1 ")) Then Verification=ok Else WScript.Echo("file1") Wscript.Quit(100) End If If (fso.FileExists("C:\file2 ")) Then Verification=ok Else WScript.Echo("file2") Wscript.Quit(100) End If If (fso.FileExists("C:\file3 ")) Then Verification=ok Else WScript.Echo("file3") Wscript.Quit(100) End If . . . .

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  • facing problem copying files through xcopy using vbscript

    - by sushant
    i am using the following code. the problem is that folder location path has to be entered by user. assuming i put that path in a variable say "h", how do i call this variable in xcopy. here is the code i tried. please tell the correct syntax. Dim WshShell, oExec,g,h h="D:\newfolder" g="xcopy $h D:\y\ /E" Set WshShell = CreateObject("WScript.Shell") Set oExec = WshShell.Exec(g) i also tried "&h" but it did not work. any help is appreciated and sorry again, i dont know how to format it.

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  • Using xval with fields containing periods

    - by JP
    Hello, I have been using xVal with success for a while but this evening ran into an issue where a field containing a period would not be validated (client or server-side). I am using ASP.NET MVC2 and need to use the period syntax in cases where I am model binding to a list. In the below example I am using a textbox for the sake of simplicity: xVal.AttachValidator(null, { "Fields": [{ "FieldName": "entry[622592].Value", "FieldRules": [{ "RuleName": "Required", "RuleParameters": {}}]}] }, {}) <input type="text" class="text" name="entry[622592].Value"/> If I replace both instances of "entry[622592].Value" to something trivial like "test" then the validation works successfully, but if i leave it this way the validation never appears to fire... Has anyone run into this issue? Thanks in advance!

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  • MySQL Update Trigger with Conditions

    - by user1760656
    I have a PHP app that inserts 'Pass', 'Fail' or 'NA' into fields TEST1, TEST2, TEST3... through TEST15. I have a field called OVERALL that needs to be automatically updated with 'FAIL' if any of the TEST1-TEST15 fields contains 'Fail'. I'm pretty sure I need to use a trigger containing the update statement and either CASE or IF, but I haven't been able to nail down the exact syntax. Can anyone please help a MySQL noob? I'm using MySQL Server version: 5.1.63-0+squeeze1 (Debian).

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  • Access SQL query to SELECT from one table and INSERT into another

    - by typoknig
    Below is my query. Access does not like it, giving me the error Syntax error (missing operator) in query expression 'answer WHERE question = 1'. Hopefully you can see what I am trying to do. Please pay particular attention to 3rd, 4th, and 5th lines under the SELECT statement. INSERT INTO Table2 (respondent,1,2,3-1,3-2,3-3,4,5) SELECT respondent, answer WHERE question = 1, answer WHERE question = 2, answer WHERE answer = 'text 1' AND question = 3, answer WHERE answer = 'text 2' AND question = 3, answer WHERE answer = 'text 3' AND question = 3, answer WHERE question = 4, longanswer WHERE question 5 FROM Table1 GROUP BY respondent;

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  • FileNotFoundException when using FileInputStream

    - by user1672817
    I am trying to access a file I have contained in the jar. The beginning of my code is as follows: import java.io.*; import java.net.*; public class intro { public static void main(String[] args) throws IOException{ URL jarUrl = intro.class.getResource("myFile.jar"); File myJar = new File(jarUrl.toString()); FileInputStream fis = new FileInputStream(myjar); } I'm getting the following error: Exception in thread "main" java.io.FileNotFoundException: file:\...myFile.jar (The filename, directory name, or volume label syntax is incorrect) at java.io.FileInputStream.open(Native Method) at java.io.FileInputStream.<init>(Unknown Source) at intro.main(intro.java:10) It seems to have no problem finding the URL or initializing the file, but I can't get the FileInputStream to work. Does anybody know what I'm doing wrong? Help would be appreciated.

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  • How would one call std::forward on all arguments in a variadic function?

    - by Noah Roberts
    I was just writing a generic object factory and using the boost preprocessor meta-library to make a variadic template (using 2010 and it doesn't support them). My function uses rval references and std::forward to do perfect forwarding and it got me thinking...when C++0X comes out and I had a standard compiler I would do this with real variadic templates. How though, would I call std::forward on the arguments? template < typename ... Params void f(Params ... params) // how do I say these are rvalue reference? { y(std::forward(...params)); //? - I doubt this would work. } Only way I can think of would require manual unpacking of ...params and I'm not quite there yet either. Is there a quicker syntax that would work?

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  • Perform function on form submit

    - by flight643
    Hopefully this is a pretty simple question! I've got the code working in jQuery to listen for a specific form on a page to be submitted and perform an alert when it is.. I.e.: The form itself doesn't have a name so I am targetting the form within a specific form ID. $("#content form").submit(function() { alert("lorem ipsum dolor?"); }); What would be the syntax for performing this in javascript alone without using jquery? For example, I have this code (below) and just am unsure of how to listen for the form to be submitted to perform an action.. var submitform = document.getElementById("content").getElementsByTagName("form"); Thanks!

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  • Are there viable alternatives for Web 2.0 apps besides lots of Javascript?

    - by djembe
    If you say find C-style syntax to be in the axis of evil are you just hopelessly condemned to suck it up and deal with it if you want to provide your users with cool web 2.0 applications - for example stuff that's generally done using JQuery and Ajax etc? Are there no other choices out there? We're currently building intranet apps using pylons and a bunch of JavaScript along with a bit of Evoque. So obviously for us the world would be a better place if instead something equivalent existed written in like PythonScript. But I've yet to seen anything approaching that aside from the Android system's ASE - but obviously that's something rather unrelated. Still - if browsers could support other scripting languages....

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  • How do you DELETE rows in a mysql table that have a field IN the results of another query?

    - by user354825
    here's what the statement looks like: DELETE FROM videoswatched vw2 WHERE vw2.userID IN ( SELECT vw.userID FROM videoswatched vw JOIN users u ON vw.userID=u.userID WHERE u.companyID = 1000 GROUP BY userID ) that looks decent to me, and the SELECT statement works on its own (producing rows with a single column 'userID'. basically, i want to delete entries in the 'videoswatched' table where the userID in the videoswatched entry, after joining to the users table, is found to have companyID=1000. how can i do this without getting the error in my sql syntax? it says the error is near: vw2 WHERE vw2.userID IN ( SELECT vw.userID FROM videoswatched vw JOIN users u and on line 1. thanks!

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  • MySQL - Counting rows in preparation for greatest-n-per-group not working?

    - by John M
    Referring to SO and other sites have given me examples of how to use MySQL to create a 'greatest-n-per-group' query. My variant on this would be to have a query that returns the first 3 rows of each category. As the basis for this I need to sort my data into a usable sequence and that is where my problems start. Running just the sequence query with row numbering shows that changes in category are mostly ignored. I should have 35 categories returning rows but only 5 do so. My query: set @c:=0; set @a:=0; SELECT IF(@c = tdg, @a:=@a+1, @a:=1) AS rownum, (@c:=tdg) , julian_day, sequence, complete, year, tdg FROM tsd WHERE complete = 0 order by tdg, year, julian_day, sequence Do I have a syntax mistake with this query?

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  • Setting parameters after obtaining their values in stored procedures

    - by user1260028
    Right now I have an upload field while uploads files to the server. The prefix is saved so that it can later be obtained for retrieval. For this I need to attach the ID of the form to the prefix. I would like to be able to do this as such: @filePrefix = SCOPE_IDENTITY() + @filePrefix; However I am not so sure this would work because the record has not been created yet. If anything I could call an update function which obtains the ID and then injects it into the row after it has been created. To speed things up, I don't want to do this on the server but rather do this on the database. Regardless of what the approach is, I would still like to know if something like the above is possible (at least for future reference?) So if we replace that with @filePrefix = 5 + @filePrefix; would that be possible? SQL doesn't seem to like the current syntax very much...

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  • Run and terminate a prgram (Python under Windows)

    - by Fredrich
    I'd like to create a small script to that basically does this: run program1.exe -- kill program1.exe after n seconds -- run program1.exe again. I know some basic Python and would read up on this, but I'm in a bit of a hurry and just need this to get done asap. If someone has a script/idea or could help my out with just the syntax I need to open and kill the .exe file, please... I don't mind solutions in other languages either. I'm sorry if this is a bit "please write my code"-ish, that's not something I typically do.

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  • Project works in eclipse but not when exported

    - by Mike
    I wrote an application that uses GraphViz to generate some graphs as .gif's according to the DOT syntax. When I run from Eclipse the images are generated fine but when I export it as a jar the images are created but there is no data in them. When I view them in Microsoft Picture Viewer its just the red X. It was working as an exported jar until I put the picture generation in its own thread. I can't seem to figure out whats going on here. Are there any problems exporting multi-threaded projects? Any one have any ideas? Thanks

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  • Expression parser library for Android.

    - by Malx
    What is the best way to evaluate simple conditional statements like: "a>b" ? "x-4<10+y & y>x" ? Expressions are loaded from external file. Variables are set in application. Syntax used is not essential. It may be "&" or "and" or any other supported with language/library. I need to take different action depending on result of evaluation - is it true or false. Could I use any parser already included with Andorid? Is there some way to use JS "eval" from browser component? Is it possible to use sqlite expressions to get true/false result without selecting anything? Those libraries are implemented in native code. Will it be faster and less battery expensive?

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  • php class crash course

    - by rabidmachine9
    Hello people, I'm sorry for this question but I'm getting crazy trying to write my first php clash, it is supposed to connect me to server and to a database but I'm always getting this error: Parse error: syntax error, unexpected ',', expecting T_PAAMAYIM_NEKUDOTAYIM in /Applications/XAMPP/xamppfiles/htdocs/classTest/test.php on line 9 thanks in advance, here is the code: <?php // include 'DBConnect.php'; class DBConnect { function connection($hostname = "localhost", $myname = "root", $pass = ''){ mysql_connect(&hostname, &myname, &pass) or die("Could not connect!"); //Connect to mysql } function choose($dbnam){ mysql_select_db(&dbnam) or die("Couldn't find database!"); //fnd specific db } } $a = new DBConnect(); $connect = $a->connection("localhost", "root"); $a->choose('mydb'); ?>

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