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• Prompting for user confirmation before upgrading previous version

  - by bizmark

  Using WiX, we would like to be able to uninstall a previous version if it is already installed. I am able to do this automatically based on the thread here. But how does one go about prompting the user if they actually want to uninstall the old version first, before running the RemoveExistingProducts action? ie. through a custom menu item that only launches if FindRelatedProducts returns 1, for example?

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• Problem in converting ToDictionary<Datetime,double>() usinh LINQ(C#3.0)

  - by Newbie

  I have written the below return (from p in returnObject.Portfolios.ToList() from childData in p.ChildData.ToList() from retuns in p.Returns.ToList() select new Dictionary<DateTime, double> () {p.EndDate, retuns.Value }).ToDictionary<DateTime,double>(); Getting error No overload for method 'Add' takes '1' arguments Where I am making the mistake I am using C#3.0 Thanks

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• Best way to fetch last 4 rows from a result set using mysql

  - by PHP-Prabhu

  Can any one please let me know, that, i need to fetch last 4 rows from a result-set using mysql. The result-set returns totally 6 records. but, i need the records to be fetch from last4...i.e, Record-3 Record-4 Record-5 Record-6

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• Gettting selected value of a dropdown (<select>) element in jQuery

  - by shyam

  How can I get the selected value of a dropdown box using jQuery? I tried using var value = $('#dropDownId').val(); and var value = $('select#dropDownId option:selected').val(); but both returns an empty string.

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• joining two tables and getting aggregate data

  - by alex

  how do i write a query that returns aggregate sales data for California in the past x months. ----------------------- ----------------------- | order | | customer | |-----------------------| |-----------------------| | orderId int | | customerId int | | customerId int | | state varchar | | deposit decimal | ----------------------- | orderDate date | ----------------------- ----------------------- | orderItem | |-----------------------| | orderId int | | itemId int | | qty int | | lineTotal decimal | | itemPrice decimal | -----------------------

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• MySQL Joining three tables

  - by text

  I am doing a query with three tables, the problem was one table has many occurrences of id of another. sample data: users: id answers: id:1 user_answer :1 id:1 user_answer :2 id:1 user_answer :3 Questions: id:1 answers :answer description id:2 answers :answer description id:3 answers :answer description How can I get all user information and all answer and its description, I used GROUP by user.id but it only returns only one answer. I want to return something like this list all of users answer: Name Q1 Q2 USERNAME ans1,ans2 ans1,ans2 comma separated description of answer here

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• Return more then One field from database SQLAlchemy

  - by David Neudorfer

  This line: used_emails = [row.email for row in db.execute(select([halo4.c.email], halo4.c.email!=''))] Returns: ['[email protected]', '[email protected]', '[email protected]', '[email protected]', '[email protected]'] I use this to find a match: if recipient in used_emails: If it finds a match I need to pull another field (halo4.c.code) from the database in the same row. Any suggestions on how to do this?

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• ID generator with local static variable - thread-safe?

  - by Poseidon

  Will the following piece of code work as expected in a multi-threaded scenario? int getUniqueID() { static int ID=0; return ++ID; } It's not necessary that the IDs to be contiguous - even if it skips a value, it's fine. Can it be said that when this function returns, the value returned will be unique across all threads?

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• Access the parameter type of a method reflectively

  - by kunjaan

  I have this but it always returns null private static String getParameters(Method aMethod) { Class<?>[] parameterTypes = aMethod.getParameterTypes(); for (Class<?> aParam : parameterTypes) { System.out.print(aParam.getName()); } return null; }

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• sqlalchemy natural sorting

  - by teggy

  Currently, i am querying with this code: meta.Session.query(Label).order_by(Label.name).all() and it returns me objects sorted by Label.name in this manner ['1','7','1a','5c']. Is there a way i can have the objects returned in the order with their Label.name sorted like this ['1','1a','5c','7'] Thanks!

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• Java's Random values differ each time

  - by ComputerJy

  I want the Random to return the same values each time. So I tried giving it a const seed. But it still returns random values. How can I stop this?

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• vba: on error, force function to return

  - by every_answer_gets_a_point

  i have a function that returns a string on error, i would like it to return a specific value. how do i do this?

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• What does it mean when a ByteInputStream keeps returning 0?

  - by Zombies

  I have a ByteInputStream, created from a Socket in Java. The connection is to a simple web server that uses chunked transfer encoding. The web server does in fact work in normal browser. But in my program, I am attempting to read, I read the first first bytes (some 5kb of data). But each read after that returns 0 bytes read. Isn't it supposed to block until it can read?

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• How do you use grep to find terms that are n characters long?

  - by Brian

  I'm using grep to filter the Mac OS X dictionary words file (by default located at /usr/share/dict/words). I want to use grep to retrieve all words four characters long. How do I do this? My best guess for how to do this was: grep [:alpha:]{4} words But that returns zero results.

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• Rerunning DoWork on Background Worker Based on Result?

  - by Soo

  Let's say I have a backgroundWorker1_DoWork that finds a value in a database and returns it in e.Result. Let's say I also have a backgroundWorker1_RunWorkerCompleted that reads the result. What I want to be able to do is based on e.Result, I can re-run backgroundWorker1_DoWork, and this I am not sure how to do. I'd really appreciate any help.

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• Apply Xslt on in-memory Xml and returning in-memory Xml

  - by Jan Willem B

  I am looking for a static function in the .NET framework which takes an XML snippet and an Xslt file, applies the transformation in memory, and returns the transformed XML. I would like to do this: string rawXml = invoiceTemplateDoc.MainDocumentPart.Document.InnerXml; rawXml = DoXsltTransformation(rawXml, @"c:\prepare-invoice.xslt")); // ... do more manipulations on the rawXml Alternatively, instead of taking and returning strings, it could be taking and returning XmlNodes. Is there such a function?

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• Getting #Error value from ssrs reporting

  - by deepa

  I have created a dataset with fields "LastRunBuild" and "project" .The LastRunBuild field contain string of data seperated by commas according to each project. But Some Projects have no value in LastRunBuild field.When i am using this expression " iif(Fields!LastRunBuild.Value=nothing, nothing,Split(Fields!LastRunBuild.Value,",").GetValue(3)) " a #Error value returns every time. Please reply...

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• SQL Join only returning 1 row.

  - by kevin

  Not quite sure what I'm missing, but my SQL statement is only returning one row. SELECT tl.*, (tl.topic_total_rating/tl.topic_rates) as topic_rating, COUNT(pl.post_id) - 1 as reply_count, MIN(pl.post_time) AS topic_time, MAX(pl.post_time) AS topic_bump FROM topic_list tl JOIN post_list pl ON tl.topic_id=pl.post_parent WHERE tl.topic_board_link = %i AND topic_hidden != 1 ORDER BY %s I have two tables (post_list and topic_list), and post_list's post_parent links to a topic_list's topic_id. Instead of returning all the topics (where their board's topic_board_link is n), it only returns one topic.

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• Sql server Identity issue

  - by pranay

  I have query like below declare @str_CustomerID int Insert into IMDECONP38.[Customer].dbo.CustomerMaster ( CustomerName , CustomerAddress , CustomerEmail , CustomerPhone ) values ( ‘werw12e’ , ‘jkj12kj’ , ‘3212423sdf’ , ‘1212121' ) select @str_CustomerID= scope_identity() after execution it returns null in my parameter i want to get value of identity how can i do that

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• Parsing query strings in Java

  - by Will

  J2EE has ServletRequest.getParameterValues(). On non-EE platforms, URL.getQuery() simply returns a string. What's the normal way to properly parse the query string in a URL when not on J2EE?

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• How to get amazon and ebay product's price from description?

  - by brz dot net

  I have to show product's price from amazon and ebay. How can I get price? Please let me know the webservices which returns price from the product description.

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• Convert a Javascript Date format to desired PHP format

  - by Ajith

  How can we convert Wed Jun 09 2010 which is returns from a javascript function and get in a php script.I need to convert this date format to 2010-06-09.Thanks

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• where does main() return its value?

  - by piemesons

  I'm newly using CODE::BLOCKS+mingw compiler If I don't type return 0 at the end of program,I can see that main() is returning some integer,I learnt that main() returning 0 infers program executes successfully.I don't find any flaw in my code, why is it returning some integer? secondly any function returns its value to its function call, to where does main() return its value?

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• MYSQL - Query to check against other table (hard to explain...)

  - by Sam

  I have a query that gets a list of emails who have subscribed for a newsletter trial which lasts 30 days.. $thirty = time() - 3024000; SELECT c.email FROM tbl_clients AS c JOIN tbl_clientoptions AS o ON o.client = c.id WHERE o.option = 'newsletter' AND c.datecreated $thirty What I want to do is do a check in that same query so it also returns clients OVER 30 days old if they have the tbl_clientoptions.option = 'trialoverride' (ie; a row in the client options table with the value "trialoverride") basic columns are: TBL_CLIENTS id,name,email,datecreated TBL_CLIENTOPTIONS id,client,option

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• Javascript: How to call outer function's return from inner function?

  - by serg555

  I have such code: function allValid() { $('input').each(function(index) { if(something) { return false; } }); return true; } which always returns true as return false; affects anonymous inner function. Is there an easy way to call outer function's return?

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