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• crystal report problem

  - by Baharanji

  Dear all, I have a Table which Contains items and its prices and those prices some in Dollars and the rest in pounds and the items are divided into sections and I want to use a modified Sum function in the Crystal Report so as to show at the end of each group the total in pounds like that in C# int price=0; foreach (item it in items) { if (it.curr=="$") { price+=it.price*DollarPrice } else price+=it.price; } return price; That's exactly what i want to do in crystal reports but i dont have any clue how to do so So if you have any Idea please help me, Regards, Baher.

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• Is the valid state domain of a program a regular language?

  - by BCS

  If you look at the call stack of a program and treat each return pointer as a token, what kind of automata is needed to build a recognizer for the valid states of the program? As a corollary, what kind of automata is needed to build a recognizer for a specific bug state? My thought is that if these form regular languages than some interesting tools could be built around that. E.g. given a set of crash/failure dumps, automatically group them and generate a recognizer to identify new instances of know bugs.

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• VB.NET GroupBy LINQ statement

  - by Jason

  I am having a bear of a time getting this to work. I have a List(Of MyItem) called Items that have a OrderId property on them. From those items, I want to create a list of Orders. Some items will have the same OrderId so I want to try to group by OrderId. I then want to sort by date. Here's what I have so far: Public ReadOnly Property AllOrders() As List(Of Order) Get Return Items.Select(Function(i As MyItem) New Order(i.OrderID)) _ .GroupBy(Function(o As Order) New Order(o.OrderID)) _ .OrderBy(Function(o As Order) o.DateOrdered).ToList End Get End Property This, of course, doesn't compile, and I get the error: Value of type 'System.Collections.Generic.List(Of System.Linq.IGrouping(Of Order, Order))' cannot be converted to 'System.Collections.Generic.List(Of Order))' I've bolded the part where I think the problem is, but I have no idea how to fix it. Also, it used to work fine (except there were duplicate values) before I added the .GroupBy statement. Anyone have any ideas? Thanks

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• How to use VisualStyleRenderer in Windows 7?

  - by Paulo Santos

  In a small project of mine I've came across the need of a collapsible group box. Searching the Net, I've found one here. In one of the comments there's an improvement on the original code that uses the VisualStyleRenderer class in order to acquire the TreeView open and closed glyph. Running the code it draws properly the Plus and Minus sing as Windows XP would draw it, however in Windows Vista and Windows 7 the glyph for open and closed nodes are small triangles. What kind of interface, class or PInvoke, I need to use in order to acquire the right glyph?

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• How to optimize this MySQL query

  - by James Simpson

  This query was working fine when the database was small, but now that there are millions of rows in the database, I am realizing I should have looked at optimizing this earlier. It is looking at over 600,000 rows and is Using where; Using temporary; Using filesort (which leads to an execution time of 5-10 seconds). It is using an index on the field 'battle_type.' SELECT username, SUM( outcome ) AS wins, COUNT( * ) - SUM( outcome ) AS losses FROM tblBattleHistory WHERE battle_type = '0' && outcome < '2' GROUP BY username ORDER BY wins DESC , losses ASC , username ASC LIMIT 0 , 50

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• Turning an NSImage* into a CGImageRef?

  - by Brian Postow

  Is there an easy way to do this that works in 10.5? In 10.6 I can use nsImage CGImageForProposedRect: NULL context: NULL hints: NULL If I'm not using 1b black and white images (Like Group 4 TIFF), I can use bitmaps, but cgbitmaps seem to not like that setup... Is there a general way of doing this? I need to do this because I have an IKImageView that seems to only want to add CGImages, but all I've got are NSImages. Currently, I'm using a private setImage:(NSImage*) method that I'd REALLY REALLY rather not be using...

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• UIKit/UiKit.h missing, on a newer version

  - by letsee

  Dear Everyone, I've a application which has been written for 2.1. Now I'm running that app on xcode 3.2.5 and SDK 4.2. Here's the problem, When I try to Build and Run, I get the following error: UIKit.framework/UIKit.h: No such file or directory In file included from users/.../classes/Radio.m UIKit.framework/UIKit.h: no such file or directory in users/.../classes/Radio.h I don't know why I'm facing that error, because the UIKit.framework is included in my projects "Frameworks" group. I've updated the OS target and other similar options, and application runs clearly without UIKit. I would appreciate it if anyone could help me through. Regards,

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• MapViewOfFile shared between 32bit and 64bit processes

  - by MK

  Hi, I'm trying to use MapViewOfFile in a 64 bit process on a file that is already mapped to memory of another 32 bit process. It fails and gives me an "access denied" error. Is this a known Windows limitation or am I doing something wrong? Same code works fine with 2 32bit processes. The code sort of looks like this: hMapFile = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, szShmName); if (NULL == hMapFile) { /* failed to open - create new (this happens in the 32 bit app) */ SECURITY_ATTRIBUTES sa; sa.nLength = sizeof(SECURITY_ATTRIBUTES); sa.bInheritHandle = FALSE; /* give access to members of administrators group */ BOOL success = ConvertStringSecurityDescriptorToSecurityDescriptor( "D:(A;OICI;GA;;;BA)", SDDL_REVISION_1, &(sa.lpSecurityDescriptor), NULL); HANDLE hShmFile = CreateFile(FILE_FAXCOM_SHM, FILE_ALL_ACCESS, 0, &sa, OPEN_ALWAYS, 0, NULL); hMapFile = CreateFileMapping(hShmFile, &sa, PAGE_READWRITE, 0, SHM_SIZE, szShmName); CloseHandle(hShmFile); } // this one fails in 64 bit app pShm = MapViewOfFile(hMapFile, FILE_MAP_ALL_ACCESS, 0, 0, SHM_SIZE);

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• Python script to get the datas from the flex application

  - by nimmyliji

  Hi, I am making a simple Python CGI script that collects data(in xml format) from a flex application and I want to insert it into the mysql database . In perl The script is looks like the following... my @samplexml=$cgi-param("Items"); my $data=$xml-XMLin("@samplexml"); foreach my $e(@{$data-{Group}}) { my $sample="Insert into details(title,Parent,Istreeitem) Values('$e-{title}','$e-{Parent}','$e-{IsTreeItem}')"; my $sam=$dbo-prepare($sample); $sam-execute(); } But I want to know how to write these codes in pytrhon script.... Any one can help me? Thanks in advance. Nimmy.

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• UTF-8 formatting in SPARQL

  - by john

  How can I "say" to SPARQL that ?churchname is in UTF-8 formatting? because response is like:Pražský hrad PREFIX lgv: <http://linkedgeodata.org/vocabulary#> PREFIX abc: <http://dbpedia.org/class/yago/> SELECT ?churchname WHERE { <http://dbpedia.org/resource/Prague> geo:geometry ?gm . ?church a lgv:castle . ?church geo:geometry ?churchgeo . ?church lgv:name ?churchname . FILTER ( bif:st_intersects (?churchgeo,?gm, 10)) } GROUP BY ?churchname ORDER BY ?churchname

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• Implementing Security on custom BCS/.net class?

  - by Michael Stum

  I'm implementing a custom BCS Model to get data from a backend system. As the backend uses it's own user management, I'm accessing it through a service account. All of this works well and allows me to pull data into SharePoint. However because it's channeled through the service account, everyone can access it, which is bad. Can anyone give me some tips which method to implement? The backend does not give me NT ACLs, but I wonder if I could just "fake" them somehow? (Essentially saying "This NT Group has Read Access" is good enough). I am aware of ISecurityTrimmer2 for Search Results, but ideally I want to cover security inside the BCS Model so that it applies to external lists as well. I want to avoid using Secure storage and mapping each individual user to the backend.

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• Tips for resolving Hibernate/JPA EntityNotFoundException

  - by Damo

  I'm running into a problem with Hibernate where when trying to delete a group of Entities I encounter the following error: javax.persistence.EntityNotFoundException: deleted entity passed to persist: [com.locuslive.odyssey.entity.FreightInvoiceLine#<null>] These are not normally so difficult to track down as they are usually caused by an entity being deleted but not being removed from a Collection that it is a member of. In this case I have removed the entity from every list that I can think of (it's a complex datamodel). I've put JBoss logging into Trace and I can see the collections that are being cascaded. However I can't seem to find the Collection containing the entity that I'm deleting. Does anyone have any tips for resolving this particular Exception? Thanks.

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• Select query 2-3 times faster than view

  - by Richard Knop

  This query run alone: SELECT -- lots of columns FROM (((((((((((`table1` `t1` LEFT JOIN `table2` `t2` ON(( `t2`.`userid` = `t1`.`userid` ))) LEFT JOIN `table3` `t3` ON(( `t1`.`orderid` = `t3`.`orderid` ))) LEFT JOIN `table4` `t4` ON(( `t4`.`orderitemlicenseid` = `t3`.`orderitemlicenseid` ))) LEFT JOIN `table5` `t5` ON(( `t1`.`orderid` = `t5`.`orderid` ))) LEFT JOIN `table6` `t6` ON(( `t5`.`transactionid` = `t6`.`transactionid` ))) LEFT JOIN `table7` `t7` ON(( `t7`.`transactionid` = `t5`.`transactionid` ))) LEFT JOIN `table8` `t8` ON(( `t8`.`voucherid` = `t7`.`voucherid` ))) LEFT JOIN `table9` `t9` ON(( `t8`.`voucherid` = `t9`.`voucherid` ))) LEFT JOIN `table10` `t10` ON(( ( `t10`.`vouchergroupid` = `t9`.`vouchergroupid` ) AND ( `t2`.`territoryid` = `t10`.`territoryid` ) ))) LEFT JOIN `table11` `t11` ON(( `t11`.`voucherid` = `t8`.`voucherid` ))) LEFT JOIN `table12` `t12` ON(( `t12`.`orderid` = `t1`.`orderid` ))) GROUP BY `t5`.`transactionid` Takes about 2.5 seconds to finish. When I save it to a view and run it as: SELECT * FROM viewName; It takes 7 seconds to finish. What is the reason and how can I make the view faster?

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• jQuery animation queues

  - by OneNerd

  I am at a dead end, so hoping you jQuery gurus can help. I have a total of 10 elements (actually small images) on a page. I need to animate them like this: first 2 show up then the next 2 show up then the next 3 show up then the next 1 shows up then the last 2 show up So, I have added attributes to each one (sequence_num = "1" (or 2 or 3 etc) so I can easily choose via the $() which ones to animate using the animate() function.) My goal is to write a function that does the animation (I can do that - i think i have grasped the animate() function). What I am getting stuck on is how to delay the animation so the proper groups of objects are animated in before the next group starts. I have tried the queue parameter of the animate() function, but that doesn't seem to work for what I am trying to do. Does anyone have any experience with this?

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• Running JIRA on a VM

  - by Peter Kahn

  Anyone have any success or failure running Jira on a VM? I am setting up a new source control and defect tracking server. My server room is near full and my services group suggested a VM. I saw that a bunch of people are running SVN on VM (including NCSA). The VM would also free me from hardware problems and give me high availability. Finally, it frees me from some red tape and it can be implemented faster. So, does anyone know of any reason why I shouldn't put Jira on a VM? Thanks

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• Convert var to DataTable

  - by cre-johnny07

  I have var item which I want to convert in to a Datatable. How can I do this. var items = (from myObj in this.Context.Orders group myObj by myObj.OrderDate.ToString("yyyy-mm") into ymGroup select new { Date = ymGroup.Key, Start = ymGroup.Min(c => c.OrderId), End = ymGroup.Max(c => c.OrderId) }); I need to convert the items into a DataTable. I don't want to use any foreach loop. How can I do this.?

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• C# Regular Expression for Regular Expression Parsing

  - by Chris

  I want to returns matches from a regular expression string. The regex string is: (?<TICKER>[A-Z]+)(?<SPACE>\\s)(?<MONTH_ALPHA_ABBREV>Jan|Feb|Mar|Apr|May|Jun|Jul|Sep|Oct|Nov|Dec)(?<SPACE>\\s)(?<DAY>\\d+)(?<SPACE>\\s)(?<YEAR_LONG>[2][0][0-9][0-9])(?<SPACE>\\s)(?<STRIKE_DOLLAR>\\d+(?=[.]))[.](?<STRIKE_DECIMAL>(?<=[.])\\d+)(?<SPACE>\\s)(?<PUTCALL_LONG>Call|Put) And I want to get matches for all of the group names and all of the items within square brackets (including the square brackets) outside of open and closed parenthesis. I have this regex: ((?<=[<])([A-Z]|[_])+(?=[>]))|(\\[.\\]) But this returns square bracket items within the parenthesis. To be more specific these are the matches I want from the regex at the top (keep in mind this needs to be flexible for any regex): TICKER SPACE MONTH_ALPHA_ABBREV SPACE DAY SPACE YEAR_LONG SPACE STRIKE_DOLLAR [.] STRIKE_DECIMAL SPACE PUTCALL_LONG

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• What's your hobby website; do you maintain it for your users or yourself?

  - by Glennular

  What is your hobby website? Do you care if it has high traffic or is it more for personal satisfaction? When deciding on the features to implement are you taking in to consideration the needs of general user-base or features you really want to build? What balance do you use to keep yourself satisfied as well as your users? When do you feel your site is able to release to the world? Do you release it initially and hope for anticipatory beta group? or wait till you have a solid built set of features?

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• WCF via Windows Service - Authinticating Clients

  - by Sean

  I am a WCF / Security Newb. I have created a WCF service which is hosted via a windows service. The WCF service grabs data from a 3rd party data source that is secured via windows authentication. I need to either: Pass the client's priveleges through the windows service, through the WCF service and into the 3rd party data source, or... Limit who can call the windows service / wcf service to members of a particular AD group. Any suggestions on how I can do either of these tasks?

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• Match multiline regex in file object

  - by williamx

  How can I extract the groups from this regex from a file object (data.txt)? import numpy as np import re import os ifile = open("data.txt",'r') # Regex pattern pattern = re.compile(r""" ^Time:(\d{2}:\d{2}:\d{2}) # Time: 12:34:56 at beginning of line \r{2} # Two carriage return \D+ # 1 or more non-digits storeU=(\d+\.\d+) \s uIx=(\d+) \s storeI=(-?\d+.\d+) \s iIx=(\d+) \s avgCI=(-?\d+.\d+) """, re.VERBOSE | re.MULTILINE) time = []; for line in ifile: match = re.search(pattern, line) if match: time.append(match.group(1)) The problem in the last part of the code, is that I iterate line by line, which obviously doesn't work with multiline regex. I have tried to use pattern.finditer(ifile) like this: for match in pattern.finditer(ifile): print match ... just to see if it works, but the finditer method requires a string or buffer. I have also tried this method, but can't get it to work matches = [m.groups() for m in pattern.finditer(ifile)] Any idea?

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• sql: can i do a max(count(*)) ?

  - by every_answer_gets_a_point

  here's my code: select yr,count(*) from movie join casting on casting.movieid=movie.id join actor on casting.actorid = actor.id where actor.name = 'John Travolta' group by yr here's the question Which were the busiest years for 'John Travolta'. Show the number of movies he made for each year. here's the table structure movie(id, title, yr, score, votes, director) actor(id, name) casting(movieid, actorid, ord) this is the output i am getting: yr count(*) 1976 1 1977 1 1978 1 1981 1 1994 1 etcetc i need to get the rows for which count(*) is max how do i do this?

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• Three coworkers Riddle Problem

  - by John S

  This isn't homework, I've got a solution, however it doesn't protect against cheaters. Three coworkers would like to know their average salary. However, they are self-conscious and don't want to tell each other their own salaries, for fear of either being ridiculed or getting their houses robbed. How can they find their average salary, without disclosing their own salaries? Now, a solution that requires the last person to tell the group the sum isn't allowed because that person could cheat. Solution: http://karavi.wordpress.com/2009/12/18/solutions-to-wu%E2%80%99s-puzzles-and-riddles-ghetto-encryption-2-medium/

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• all rows plus min / max values using a single stored procedure

  - by Rajeev

  I have a custom data source which pulls out data form a flat file. The flat file contains a timestamp , source and data. I can use sp_execute to execute a select query against the flat file. I'm currently using 2 stored procedures . - one which runs a select * from flat_file into a temp table - the other which does a select min/max from flat_file grouping by source into another temp file Im using the data retrieved using the stored procedures in a SSRS report Is is possible in a a single stored procedure to retrieve all the rows from the file within a date range and also identify the min/max values for each group retrieved ?e

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• Find earliest and latest dates of specified records from a table using SQL

  - by tonyyeb

  Hi I have a table (in MS SQL 2005) with a selection of dates. I want to be able to apply a WHERE statement to return a group of them and then return which date is the earliest from one column and which one is the latest from another column. Here is an example table: ID StartDate EndDate Person 1 01/03/2010 03/03/2010 Paul 2 12/05/2010 22/05/2010 Steve 3 04/03/2101 08/03/2010 Paul So I want to return all the records where Person = 'Paul'. But return something like (earliest ) StartDate = 01/03/2010 (from record ID 1) and (latest) EndDate = 08/03/2010 (from record ID 3). Thanks in advance

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• mySQL: Select WHERE causes error - why?

  - by Industrial

  Hi everybody, I have this query: SELECT `manufacturers`.*, `languages`.*, COUNT(`products`.`id`) AS productcount FROM (`manufacturers`) WHERE manufacturers.flushed = 0 JOIN `languages` ON `manufacturers`.`lang` = `languages`.`id` LEFT OUTER JOIN `products` ON `products`.`manuf` = `manufacturers`.`mid` GROUP BY manufacturers.id ORDER BY `languages`.`id` asc, `manufacturers`.`mid` asc; Without the WHERE row, everything works great, but with it, I get a Error 1064 (Syntax error) thrown in my face. I guess that it has something to do with the actual placement of the WHERE row in the query, so I tried to move it around, but without any luck. What can I do?

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