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• Conditional Join - join 1 tables 2 ways

  - by Jon H

  I have a set of (not very well normalised or relational) tables named PLAN, GROUP, PRODUCT CLIENT Most have linkage i.e. PLAN - CLIENT on clno GROUP to PRODUCT on PRODCD However, the linkage between PLAN and GROUP is tricky. A plan has 2 field of interest GRPNO and PRODCD. What I want to do is if GRPNO != 0 then join GROUP on GRPNO. However if GRPNO = 0 then I want to join GROUP on PRODCD. The frustrating thing is that the fileds I want to return in my queries are the same across the board I just need to be able to vary the join, or join the same table twice. The best I can come up with is 2 queries and merge them using datasets, or possibly using a union. Is there a nifty way to do this in one select? I should point out I am access Foxpro over ODBC to do this. Thank you!

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• clang parser pass example

  - by anon

  Hi! Can anyone paste sample code for a clang extra preprocessor pass where it: takes every variable named "foo", and renames it "bar", thus making the following code legal: int main() { int foo; bar = 5; } ? Thanks! [Aside: what I'm trying to do is write my own macro system for clang. Doing the above will let me inject at the right level to do my rewrites.] Thanks!

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• using jquery to disable a series of radio buttons on demand.

  - by holden

  I'm trying to accomplish something similar to Wikipedia's History history page, dynamically disabling radio buttons in a series. Ie... if #4 in group two is selected, then 1-4 of group one are disabled, etc. I know how to disable them individually or as a group, but I'm not sure how to do it in a series of say 1-4: Individually: $("#version_history input[id^=versions_2_3]:radio").attr('disabled',true); or group: $("#version_history input[id^=versions_2]:radio").attr('disabled',true); The inputs are named versions_1_X and versions_2_X, X being some number. 1..2..3.. etc.

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• .NET interop COM DLL behaves differently in VB6 debugger

  - by Aheho

  I have a .NET v2.0 Dll that exposes a few classes to COM. The assembly is called BLogic.DLL I'm calling these classes from a legacy visual basic 6.0 application. I can generate and EXE file and if I have Blogic.dll in the same folder as the EXE, the program runs without a hitch. However If I try and launch the same program within the VB6 debugger I get a: Automation Error The system cannot find the file specified I assume when I'm running in the debugger, the PLogic.dll file can't be found. I tried putting it in the System32 folder, and the same folder as the VB6.EXE file, but I still get the same error. Other facts that may help: PLogic.dll is NOT a strongly-named assembly. It depends on a 3rd party reference that isn't strongly signed so VS doesn't let me strongly sign it. However the 3rd party functionality isn't being called by the VB6 code, and it is not ComVisible.

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• Jquery each loop with json array

  - by Ben

  I'm trying to use Jquery's each loop to go through this Json and add it to a div named #contentHere. The Json is as follows: { "justIn": [ { "textId": "123", "text": "Hello", "textType": "Greeting" }, { "textId": "514", "text":"What's up?", "textType": "Question" }, { "textId": "122", "text":"Come over here", "textType": "Order" } ], "recent": [ { "textId": "1255", "text": "Hello", "textType": "Greeting" }, { "textId": "6564", "text":"What's up?", "textType": "Question" }, { "textId": "0192", "text":"Come over here", "textType": "Order" } ], "old": [ { "textId": "5213", "text": "Hello", "textType": "Greeting" }, { "textId": "9758", "text":"What's up?", "textType": "Question" }, { "textId": "7655", "text":"Come over here", "textType": "Order" } ] } I'm getting this Json through use of this code: $.get("data.php", function(data){ }) Any solutions?

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• What is the result of X(X,X)? [closed]

  - by Sorush Rabiee

  A friend who studies pure mathematics ask me to think about the following problem. Suppose that there is an algorithm named X that has 2 inputs: A and a_1...a_n, where 'A' stands for an arbitary algorithm and 'a_1..a_n' are inputs of A. X receives A and its inputs and returns true if A with a_1..a_n could be terminated, and false if A with a_1..a_n inputs fall into an infinite loop (never ends). Like this: A(n): while(n<5): write "I'm immortal!" and the result of X(A,6) is true and X(A,2) is false. So what is the result of X(X,X)? Also, do you know who was the first to introduce this problem?

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• Why is e.Item.DataItem null on ItemDataBound event when binding an asp:net Repeater to a Collection?

  - by Clean

  Hi, I'm trying to bind a collection implementing the ICollection, IEnumerable and IList interface to an asp.net repeater. The Collection is named CustomCollection. So I'm setting the datasource of the repeater to the collection, as follows: rptRepeater.DataSource = customCollection; rptRepeater.Databind(); Then, on the ItemDataBound event, I'm trying to access the DataItem object, as follow: void rptRepeater_ItemDataBound(object sender, RepeaterItemEventArgs e){ object obj = e.Item.DataItem; // DataItem is null for some reason } For some reason the e.Item.DataItem object is null. Do anyone know why this is, and/or what I could do to get hold of the object in the collection that is to be databound to the repeater? Thanx!

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• Looking for a method to replace a string with a hyperlink

  - by Richard West

  I have a usercontrol in an asp web forms application that I am working on in C#. I am binding to a repeater and outputting a field of information, named "Text", using the following syntax: <%# DataBinder.Eval(Container.DataItem, "Text") %> I am looking for a method that will allow my to search for a keyword within the string that is returned from above, and replace that string with a hyperlink such as <a href="www.anysite.com/keyword">keyword</a>. I'm not very familer with user controls and getting data back in this manner so I am looking for advice on how this might be best handled. Thanks!

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• MS Sql Full-text search vs. LIKE expression

  - by Marks

  Hi. I'm currently looking for a way to search a big database (500MB - 10GB or more on 10 tables) with a lot of different fields(nvarchars and bigints). Many of the fields, that should be searched are not in the same table. An example: A search for '5124 Peter' should return all items, that ... have an ID with 5124 in it, have 'Peter' in the title or description have item type id with 5124 in it created by a user named 'peter' or a user whose id has 5124 in it created by a user with '5124' or 'peter' in his street address. How should i do the search? I read that the full-text search of MS-Sql is a lot more performant than a query with the LIKE keyword and i think the syntax is more clear, but i think it cant search on bigint(id) values and i read it has performance problems with indexing and therefore slows down inserts to the DB. In my project there will be more inserting than reading, so this could be a matter. Thanks in advance, Marks

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• R - Specifying colClasses in the read.csv

  - by Derek

  Hi, I am trying to specify the colClasses options in the read.csv function in R. In my data, the first column "time" is basically a character vector while the rest of the columns are numeric. data<-read.csv("test.csv" , comment.char="" , colClasses=c(time="character","numeric") , strip.white=FALSE) In the above command, I would want R to read in the "time" column as "character" and the as numeric. Although, the "data" variable did have the correct result after the command completed, R returned the following warnings. I am wondering how I could fix these warnings? Warning messages: 1: In read.table(file = file, header = header, sep = sep, quote = quote, : not all columns named in 'colClasses' exist 2: In tmp[i[i > 0L]] <- colClasses : number of items to replace is not a multiple of replacement length Thank in advance Derek

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• Powershell script to delete old files

  - by yantwill

  The following script will delete files in a named directory that are older than 14 days and write to a .txt with the path and the files deleted (found this script on another forum..credit to shay): dir c:\tmp -recurse | where {!$.PsIsContainer -AND $.lastWriteTime -lt (Get-Date).AddDays(-14) } | select LastWriteTime,@{n="Path";e={convert-path $_.PSPath}} | tee c:\oldFiles.txt | Remove-Item -force -whatif I have 3 questions: What is -lt and what is -le and what is -gt? When would I use each one The script above only deletes file...how can I delete folders as well? The script above is based off of LastWriteTime .. what about CreatedDate or LastAccessed time?

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• module compiled with swig not found by python

  - by openbas

  Hello, I've a problem with SWIG and python. I've a c-class that compiles correctly, but the python script says it can't find the module. I compile with: swig -c++ -python codes/codes.i g++ -c -Wall -O4 -fPIC -pedantic codes/*.cc g++ -I/usr/include/python2.6 -shared codes/codes_wrap.cxx *.o -o _codes.so This gives me a _codes.so file, as I would expect, but then I have this python file: import sys import codes (rest of the code omitted) It gives me: Traceback (most recent call last): File "script.py", line 3, in <module> import codes ImportError: No module named codes According to http://www.swig.org/Doc1.3/Introduction.html#Introduction_nn8 this is all I should have to do... The files are in the same directory, so the path should not be a problem ?

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• source control when starting up a new project

  - by jaras

  when starting with a project and using source control i find it hard to separate the things people are working on so they don't either write duplicate code or think it should be named one thing and so on. this problem diminishes over time because the general foundation is in place and it's easier to separate the tasks so they don't overlap as much how do you manage working with source control in the beginning phase? EDIT: I can see that it don't really have anything to do with source control, but it gets more apparent when you have source control too. so the question becomes more along the lines of "how do you manage to separate the tasks so they don't overlap too much. I think it's really hard and i haven't really seen much about how to do it.

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• What's so bad about in-line CSS?

  - by ChessWhiz

  When I see website starter code and examples, the CSS is always in a separate file, named something like "main.css", "default.css", or "Site.css". However, when I'm coding up a page, I'm often tempted to throw the CSS in-line with a DOM element, such as by setting "float: right" on an image. I get the feeling that this is "bad coding", since it's so rarely done in examples. I understand that if the style will be applied to multiple objects, it's wise to follow "Don't Repeat Yourself" (DRY) and assign it to a CSS class to be referenced by each element. However, if I won't be repeating the CSS on another element, why not in-line the CSS as I write the HTML? The question: Is using in-line CSS considered bad, even if it will only be used on that element? If so, why? Example (is this bad?): <img src="myimage.gif" style="float:right" />

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• polymorphic hql

  - by Berryl

  I have a base type where "business id" must be unique for a given subclass, but it is possible for there to be different subclasses with the same business id. If there is a base type with a requested id but of the wrong subclass I want to return null, using a named query. The code below does this, but I am wondering if I can avoid the try/catch with a better HQL. Can I? Cheers, Berryl current hql <query name="FindActivitySubjectByBusinessId"> <![CDATA[ from ActivitySubject act where act.BusinessId = :businessId ]]> </query> current fetch code public ActivitySubject FindByBusinessId<T>(string businessId) where T : ActivitySubject { Check.RequireStringValue(businessId, "businessId"); try { return _session.GetNamedQuery("FindActivitySubjectByBusinessId") .SetString("businessId", businessId) .UniqueResult<T>(); } catch (InvalidCastException e) { // an Activity Subject was found with the requested id but the wrong type return null; } }

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• Size and position of the C# form.

  - by Vytas999

  I use Visual Studio .NET to create a Windows-based application. The application includes a form named CForm. CForm contains 15 controls that enable users to set basic configuration options for the application. I design these controls to dynamically adjust when users resize CForm. The controls automatically update their size and position on the form as the form is resized. The initial size of the form should be 650 x 700 pixels. If CForm is resized to be smaller then 500 x 600 pixels, the controls will not be displayed correctly. How I must ensure that users cannot resize CForm to be smaller than 500 x 600 pixels..?

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• How to retrieve stored reference to an NSManagedObject subclass?

  - by DavidDev

  Hi! I have a NSManagedObject subclass named Tour. I stored the reference to it using this code: prefs = [NSUserDefaults standardUserDefaults]; NSURL *myURL = [[myTour objectID] URIRepresentation]; NSData *uriData = [NSKeyedArchiver archivedDataWithRootObject:myURL]; [prefs setObject:uriData forKey:@"tour"]; Now I want to retrieve it. I tried using: NSData *myData = [prefs objectForKey:@"tour"]; NSURL *myURL = [NSKeyedUnarchiver unarchiveObjectWithData:myData]; TourAppDelegate *appDelegate = (TourAppDelegate *)[[UIApplication sharedApplication] delegate]; NSManagedObjectID *myID = [appDelegate.persistentStoreCoordinator managedObjectIDForURIRepresentation:myURL]; if (myID) { Tour *tempObject = [appDelegate.managedObjectContext objectWithID:myID]; //WARNING tour = tempObject; } if (tour) //instruction... But it's giving me this warning "Incompatible Objective-c types. Initializing 'struct NSManagedObject *', expected 'struct Tour *' Plus, when executing, it's giving me this: Terminating app due to uncaught exception 'NSObjectInaccessibleException', reason: 'CoreData could not fulfill a fault for '0x5001eb0 How can I solve this?

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• DRYing Search Logic in Rails

  - by Kevin Sylvestre

  I am using search logic to filter results on company listing page. The user is able to specify any number of parameters using a variety of named URLs. For example: /location/mexico /sector/technology /sector/financial/location/argentina Results in the following respectively: params[:location] == 'mexico' params[:sector] == 'technology' params[:sector] == 'financial' and params[:location] == 'argentina' I am now trying to cleanup or 'DRY' my model code. Currently I have: def self.search(params) ... if params[:location] results = results.location_permalink_equals params[:location] if results results = Company.location_permalink_equals params[:location] unless results end if params[:sector] results = results.location_permalink_equals params[:sector] if results results = Company.location_permalink_equals params[:sector] unless results end ... end I don't like repeating the searchs. Any suggestions? Thanks.

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• jQuery Set Child CSS Attribute Problem

  - by Jascha

  I have a child element of a div named "bob" that's class is '.divTitle' <div id="bob"> <div class="divTitle"> <a href="#"> <h1>Title</h1> </a> </div> </div> I am trying to set the background color of "divTitle" to red but for the life of me can't get this to work. Right now I am trying two things... $('#bob').children('.divTitle')[0].css('background-color', '#0f0'); // assuming children is returning an array... and $('#bob').children('.divTitle').css('background-color', '#0f0'); neither with any success... can anyone tell me what I am missing here? Do I have to go deeper than ".children"?

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• Need help with SQL query on SQL Server 2005

  - by Avinash

  We're seeing strange behavior when running two versions of a query on SQL Server 2005: version A: SELECT otherattributes.* FROM listcontacts JOIN otherattributes ON listcontacts.contactId = otherattributes.contactId WHERE listcontacts.listid = 1234 ORDER BY name ASC version B: DECLARE @Id AS INT; SET @Id = 1234; SELECT otherattributes.* FROM listcontacts JOIN otherattributes ON listcontacts.contactId = otherattributes.contactId WHERE listcontacts.listid = @Id ORDER BY name ASC Both queries return 1000 rows; version A takes on average 15s; version B on average takes 4s. Could anyone help us understand the difference in execution times of these two versions of SQL? If we invoke this query via named parameters using NHibernate, we see the following query via SQL Server profiler: EXEC sp_executesql N'SELECT otherattributes.* FROM listcontacts JOIN otherattributes ON listcontacts.contactId = otherattributes.contactId WHERE listcontacts.listid = @id ORDER BY name ASC', N'@id INT', @id=1234; ...and this tends to perform as badly as version A.

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• How can I launch a missile?

  - by doug.stanhope

  I am working on an open-source missile launcher application. I have added a big red button to a Form that says "Launch Missile". When I click the button, the event handler gets called. From the event handler I call a method named LaunchMissile(). So far so good, but how do you launch a missile from C# code? Will I have to write this code myself or is there an API or third party library for launching missiles? Please add sample code for various launch scenarios: orbit, moon, mars, etc.

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• Modify installed SharePoint feature

  - by Laura L

  I have written a sequential workflow in SharePoint on our development environment. After testing, we decided to deploy this workflow as a feature on the staging environment. We did the following: copied the strongly named assembly to the GAC using gacutil copied feature.xml and workflow.xml to WebServerExtensions/12/templates/features/someFolder installed feature (stsadm command) activated feature (stsadm command) All worked exactly as planned and the workflow behaved correctly. The problem was, we decided to change something in the code (a message was not very self explanatory), so on the development machine we updated the message as requested and rebuilt the project. The problem is, we cannot seem to find a way to correctly get rid of the previous version of this workflow/feature. To deploy the upgrade, we: deactivated and uninstalled the feature (stsadm commands), removed also from GAC. increased the version of the assembly performed steps 1 to 4 from above. When using the workflow we are still getting the first message, we cannot find a way to get the new message to be displayed. What are we missing?

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• jquery load links not clickable

  - by john morris

  ok i am loading a separate page with links in it, into a page named index.php. it loads fine, but when i click one of the links inside the loaded content, nothing happens. they dont act as links. but if i do a alert('hi'); after the load('page.html'); then it will work. any ideas on getting this to work without alerting something after it loads? oh also i cant use a callback, unless there is a way to update the get variable because the page loading, has a $_GET variable, and the links inside the loaded page are supposed to update the $_GET variable. anyways is there a way to make the links clickable after loading the page?

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• Qt - A login dialog

  - by Narek

  I want to create a login dialog by inheriting QDialog. I put in subclass named LoginDialog 2 QLineEdits: for login for password. I want to be able to warn the user with a message if the caps lock is ON while he will start to fill passwordLineEdit. Suppose I have a function that tells the current state of CapsLock button. So I want to do eventFiltering in LoginDialog class in order to understand that user starts to fill the password field (i.e. user just stepped into the password field) So for that purpose I wrote the following in the LoginDialog class constructor: m_passwordLineEdit->installEventFilter(this); So the only thing is to do is to implement a function which can understand that user is going to fill the password. Seems is should be done with the following function(??): bool LoginDialog::eventFilter(QObject *target, QEvent *event) { if (target == m_passwordLineEdit) { } return QDialog::eventFilter(target, event); } How to implement this function???

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• SQL server 2005 - Any one have any idea?, i want to write the script so tuser have access that new c

  - by Paresh

  i have created one user named tuser with create database rights in SQL server 2005. and given the 'db_owner' database role of master and msdb database to tuser . From this user login when i run the script for create database then it will create new database. But tuser don't have access that newly created database generated from script. Any one have any idea?, i want to write the script so tuser have access that new created database after creation and can have add user permission of newly created database.

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