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  • object explorer control

    - by šljaker
    I'm writing application for code generation and I would like to use object explorer control such as the one in visual studio, so I can manually design my objects. How can I do that?

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  • Naming Suggestions For A Function Providing Method Chaining In A Different Way

    - by sid3k
    I've coded an experimental function which makes passed objects chainable by using high order functions. It's name is "chain" for now, and here is a usage example; chain("Hello World") (print) // evaluates print function by passing "Hello World" object. (console.log,"Optional","Parameters") (returnfrom) // returns "Hello World" It looks lispy but behaves very different since it's coded in a C based language, I don't know if there is a name for this idiom and I couldn't any name more suitable than "chain". Any ideas, suggestions?

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  • LINQ: Create persistable Associations in Code, Without Foreign Key

    - by Alex
    Hello, I know that I can create LINQ Associations without a Foreign Key. The problem is, I've been doing this by adding the [Association] attribute in the DBML file (same as through the designer), which will get erased again after I refresh my database (and reload the entire table structure). I know that there is the MyData.cs file (as part of the DBML) in which I can place my partial extensions etc. to domain objects (to persist even after I refresh the DBML), but I don't know how to create an association there?

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  • ForeignKey django 1.1.1 model

    - by Spikie
    i have class staff_name(models.Model): firstname = models.CharField(max_length=150) surname = models.CharField(max_length=150) class inventory_transaction(models.Model): staffs = models.ForeignKey(staff_name) i want to get or create staff surname and first name through inventory_transaction i used these code below inventory_transaction.objects.get_or_create(staffs_surname_contains=sname,staffs_firstname_contains=fname) i got this error "staffs_surname_contains can not be defined" what have i done wrong ? thanks

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  • Update DataBase on clicking in button, after editing gridview (not automatically saving in DB, but a

    - by gaponte69
    0 vote down star I am using GridView in asp .net and editing data with edit command field property (as we know after updating the edited row, we automatically update the database), and I want to use transactions (with begin to commit statement - including rollback) to commit this update query in database, after clicking in some button (after some events for example), not automatically to insert or update the edited data from grid directly to the DB...so I want to save them somewhere temporary (even many edited rows - not just one row) and then to confirm the transaction - to update the real tables in database... Any suggestions are welcomed... I've used some good links, but very helpful, like: http://www.asp.net/learn/data-access/tutorial-63-cs.aspx http://www.asp.net/learn/data-access/tutorial-66-cs.aspx etc... etc...

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  • Get graphics information from font file. How to develop font parser similar to PDFView's font parser

    - by HBA
    Hi, I am trying to convert text into graphics using c#. My input is character string and output is bitmap with the input text. After lot of search I found some ways to do it, I found some techiques which uses this kind of techinque. For Example While creating Captcha, we have to print the character in the bitmap. But for that I should have the font installed in my windows. I can not perform such operation without installing the font. I have .ttf file with me but I dont want to install it because my work for that font is temporary only. Is there any way where I can extract out the Font's graphical information by providing the Character? I have also found font parser code http://swinglabs.java.sun.com/hudson/job/PDFRenderer%20Weekly%20Build/javadoc/com/sun/pdfview/font/package-summary.html Can anyone please provide me how to develpo similar thing using c#.Net? Or From where can I get the algorithm to parce font?

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  • When should I implement IDisposable?

    - by Bobby
    What is the best practice for when to implement IDisposable? Is the best rule of thumb to implement it if you have one managed object in the class, or does it depend if the object was created in the class or just passed in? Should I also do it for classes with no managed objects at all?

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  • Where do Java Applets live?

    - by Wendi Peters
    I'm trying to figure out where java Applets that I run from the browser live. I'm using Firefox 3.0 on Windows XP with Java 1.6 if that makes any difference. From the Java Control Panel on the toolbar, I can access "Temporary Internet Files - Settings" to find the Java cache. From there I can show the resources and see a file called "dws2010066.dat". Does this resource correspond to a file on disk? I did a search in the Java cache/my whole computer and came up empty handed.

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  • Why is Gmail not showing my text/html alternative?

    - by Stijn Sanders
    I'm creating an outgoing e-mail message (TIdMessage) with add two TIdText objects, one with ContentType:='text/plain' and one ContentType:='text/html', and also a TIdAttachment object. This seems to work for Outlook, which shows the HTML content, but for some odd reason, GMail keeps showing me the text/plain version by default. I've tried adding the text/html version first, I've tried adding '; charset=iso-8859-1' to the content type string, but I can't seem to find what else is different with other e-mails that GMail is showing the HTML from rightaway.

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  • What C# mocking framework to use?

    - by Corin
    I want to start using mock objects on my next C# project. After a quick google I've found there are many: NMock EasyMock.NET TypeMock Isolator Commercial / Paid Rhino Mocks Moq So my question is: what one is your favourite .NET mocking framework and why?

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  • IE page redirect hanging

    - by 08Hawkeye
    My app does a POST to my local server to create a new DOM element, comes back and should redirect to the same page with the new element. The problem is when it gets back from the server, the app hangs for almost 2 minutes before doing the redirect. I've isolated the issue to the fact that IE seems to have trouble with my tree structure of 100+ DOM elements, and I can see in HTTPWatch that it sits in a "Blocked" call for the 2 minutes before doing the redirect. Our temporary workaround is to set the inner-html of the tree structure to an empty string before submitting, thus eliminating the heavy DOM lifting, but we shouldn't need to do this (firefox has no trouble with the redirect). Question 1: Is there a better fix for this issue? Question 2: Why does ANY page care about the content before a redirect if it's going to be refreshed anyway? Thanks yall //sw

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  • IE form input data disappear after browser refresh

    - by RWW
    Hi, I'm trying to achieve sticky forms without PHP. My setup is AJAX like javascript. The back/forward work fine on both IE and FF, but refresh only works on FF, not IE. Doesn't matter what cache options I use, I've even set IE's temporary files option to never check for updates, and the input value is gone after page refresh(the refresh button or F5) I've read many posts where people have the opposite problem, and do not want form data to persist across page refresh, and never read from browser cache, but I do. Any help is appreciated, thanks!

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  • Design question what pattern to use

    - by rahul
    Problem Description: We have a requirement of storing the snapshot of an entity temporarily in the database untill a certain period of time untill all the processes to approve the data are completed. Once all approvals are completed the data shall be permanantly persisted into the actual table. Example: 1) Consider an entity called "User". One way to create the user is through the "Create Account Process". 2) The "Create Account Process" shall capture all the information of the User and store it in a temporary table in the database. 3) The data shall be used by the "Account Approval Process" to run its verification process. 4. After all the verification is completed successfully, the User data shall be persisted to the actual table. Question: Where to store the user data entered during "Create Account Process". Additionally, User data should be editable till the verification process is complete.

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  • How to improve INSERT INTO ... SELECT locking behavior

    - by Artem
    In our production database, we ran the following pseudo-code SQL batch query running every hour: INSERT INTO TemporaryTable (SELECT FROM HighlyContentiousTableInInnoDb WHERE allKindsOfComplexConditions are true) Now this query itself does not need to be fast, but I noticed it was locking up HighlyContentiousTableInInnoDb, even though it was just reading from it. Which was making some other very simple queries take ~25 seconds (that's how long that other query takes). Then I discovered that InnoDB tables in such a case are actually locked by a SELECT! http://www.mysqlperformanceblog.com/2006/07/12/insert-into-select-performance-with-innodb-tables/ But I don't really like the solution in the article of selecting into an OUTFILE, it seems like a hack (temporary files on filesystem seem sucky). Any other ideas? Is there a way to make a full copy of an InnoDB table without locking it in this way during the copy. Then I could just copy the HighlyContentiousTable to another table and do the query there.

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  • Detecting Touches in an OpenGL rendered scene

    - by Icky
    Hey. I was wondering whether there is a way to detect a touch in an OpenGL rendered scene. What I have i a set of images which are being rendered in my main view. Now if the user touches one of these images (or objects) I would like to know which one was touched - similar to the CGRectContainsPoint(frame, [touch locationInView:self.view] method. Is there an easy way to find out? If there is none, this would also help.

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  • Load HTML frames in a specific order without back button problems?

    - by Joergen Bech
    I have a web page that uses a frameset. Due to scripting and object dependencies, I need to load the frames in a specific order. I have used this example as a template: The JavaScript Source: Navigation: Frames Load Order This loads an empty page in place of the page I need to load last, then replaces it with the correct page after the first page has loaded. However: I also need to use the browser Back button. If you run the sample at the above link, let both frames load, then click the Back button, the top frame reverts to the temporary blank page. It is then necessary to click the Back button again to navigate to the page before the frameset. Is there a way to force frames to load in a specific order without this Back button behavior - or a way to force the Back button to skip the empty page? This needs to work with Internet Explorer 6 and 7 and preferably with Firefox 3 as well.

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  • Hidden features of C#3.5 [closed]

    - by xyz
    Possible Duplicate: Hidden Features of C#? Kindly donot mistake this question with Hidden Features of C#?. It is specific to C# 3.5 / dot net 3.5 I have figured out some(what I have used so far). They are as under 1) Linq 2(Objects, Sql, Xml) 2) Lambda expressions 3) Extention methods 4) Object initializers 5) Collection initialisers 6) Anonymous delegates 7)Automatic properties Please help me in finding out more. Thanks

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  • querying for timestamp field in django

    - by Hulk
    In my views i have the date in the following format s_date=20090106 and e_date=20100106 The model is defined as class Activity(models.Model): timestamp = models.DateTimeField(auto_now_add=True) how to query for the timestamp filed with the above info. Activity.objects.filter(timestamp>=s_date and timestamp<=e_date) Thanks.....

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  • Is it possible to implement a GC.GetAliveInstancesOf<T>() (for use in debugging)?

    - by Omer Raviv
    Hi, I know this was answered before, but I'd like to pose a somewhat different question. Is there any conceivable way to implement GC.GetAliveInstancesOf(), that can be evaluated in Visual Studio Debug Watch window? Sasha Goldstein shows one solution in this article, but it requires every class you want to query inherit from a specific base class. I'll emphasize that I only want to use this method during debugging, so I don't care that the GC may change an object's address in memory during runtime. One idea might be to somehow harness the !dumpheap –type command of SOS, and do some magic trick to create a temporary variable and have it point out to the memory address printed by SOS. Does anyone have a solution that works?

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  • table cell and row borders different on each edge in C#

    - by tbischel
    I'm trying to dynamically generate a report in a table where the borders are different on each side of a cell or row, but can't figure out how. The TableRow, TableCell, and Table objects each have a BorderStyle property, but it seems to apply to the entire border rather than just one side. Can this be done without nesting tables? For my case, I'd like a solid border around the first two rows of a table (because the first row has a cell spanning two rows), and a solid border around each subsequent row.

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