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  • how to represent negative number to array of integers ?

    - by stdnoit
    I must convert string of 1324312321 to array of integers in java this is fine. I could use integer parseint and string substring method but how do I repesent -12312312 to my original array of integer.. the fact that - is a char / string and convert to array of integer would alter the value ( even though I convert - to integer-equivalent , it would change the rest of 12312312) it must be an array of integers and how should I convert negative numbers and still keeep the same value somehow reminding me of two complements trick but i dont think i need to go down to binary level in my program.. any other trick for doing this? thanks!

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  • Implementing a class for the functionality of theme managing :

    - by Malcolm
    I have a class library silverlight project , so thee is no app xaml in it. I am defining all my styles in one ResourceDictionary xaml(So that every style i defined inside my project be globel). Now if i want to apply a style to a custom control which don't have its xaml ..only .cs : Then i can do it with the help of some class which will have the functionality to apply the style defined in the resource dictionary. But I dont know hoe this functionality will be achieved, so any help will be gratefull. Thanks in advance.

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  • How to include a Custom list in one Sharepoint site in to another as a web part?

    - by Rakhitha
    I have two share point web sites. One is a child web site of the other. For example if my first site is myweb1, other one is myweb1/myweb2. I have a custom list created in myweb1. I want to include that as a web part in number of web pages in both myweb1 and myweb1/myweb2 sites. Including the web part in the same site which contains the custom list is not a problem. But how do I include it in the other site. The web part does not show up in the list. I dont want to copy the content of custom list. I want pages in both sites that have included this list as a web part to be updated whenever the list content is changed. Any ideas?

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  • Twitter Streaming API - tracking exact multiple keywords in exact order

    - by Gublooo
    Hey Guys, I'm just beginning to play with the Twitter Streaming API. If I specify $sc-setTrack(array('just bought from')); This will correctly pull only tweets that have all 3 keywords - but doesn't maintain the order. 1) I want the keywords to appear in the same order like "I just bought apple from itunes" but the above also returns tweets like "I bought some apples and just removed them from the bag" 2) Is there a way to specify the exact words say "NBA basketball" with nothing in between - in the sense I dont want tweets like this to be returned Watching basketball on NBA tv I just want tweets which contain the exact phrase to be returned like I love watching NBA basketball 3) Also is there a way to specify negative keywords Any tips if this is possible. Thanks

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  • Index out of range, but why?

    - by Stuart
    I have a gridview, and i have a SelectedIndexChanged event on it... protected void GridView1_SelectedIndexChanged(object sender, EventArgs e) { GridViewRow Row = GridView1.SelectedRow; //do some stuff } Then i get an error... Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index I dont understand why, the Gridview is being binded in pageload. but not in post back... if (!IsPostBack) { GridView1.DataSource = UserAccounts; GridView1.DataBind(); }

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  • How to implement message passing in GNUradio?

    - by xuandl
    I need to implement message passing, my idea is to make some sort of message source (I inherit from public gr_sync_block) that works as a controller for another block (it has to send a message each 6 minutes). I read that is necessary to inherit from gnuradio::block -and by the way, installing grextras is mandatory-. In the .h file I added the #include and inherited from block"class JDFM_API jdfm_control : public gr_sync_block, public gnuradio::block". I know that I have redefine some things like the gnuradio::block constructor but I dont know what msg_signature is, I also don't get the relation between block's parameters and work parameter, the last thing that I am not sure is if I still can use gnuradio-companion if I create a block like this. I haven't been able to find a simple example of messages implementation. If anyone can guide me or show me an example, it would be awesome. Thanks in advance.

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  • wrap text around image control in C#.Net

    - by Ravi
    Hi, I am working on C#.DotNet windows application project, here i am using Infragistics control. In this project i want to add image over text control. This image contains two portion, 35% of image have white color another 65% of image have green color.In this image 2nd portion(green color) i have to display dynamic string , this string size may dynamically updating. But this string dont go first portion(white color) of image. For that i am using UltraLabel control. I have add image in UltraLabel ImageBackground property and TextHAlign set as Right. But here small 15 charecter string means appear only second portion(green color), 20 charecter string means appeaer second & first portion. I don't want to display first portion of image. Thanks

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  • unique random id

    - by Piyush
    I am generating unique id for my small application but I am facing some variable scope problem. my code- function create_id() { global $myusername; $part1 = substr($myusername, 0, -4); $part2 = rand (99,99999); $part3 = date("s"); return $part1.$part2.$part3; } $id; $count=0; while($count == 1) { $id; $id=create_id(); $sqlcheck = "Select * FROM ruser WHERE userId='$id';"; $count =mysql_query($sqlcheck,$link)or die(mysql_error()); } echo $id; I dont know which variable I have to declare as global

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  • How can you stream results as json string downloads?

    - by midas06
    I'm interested in presenting results faster in my mobile app. Is it possible to stream results out as the string downloads? I'm thinking about implementing an IObservable to push out the results as they are downloaded, but I don't know what algorithm to use to properly piece together the data which could be incomplete at any given point. Hope that was clear enough. CLARIFICATION: Guess it wasn't clear enough. My issue is the string downloaded is quite long. It can often take 15-20 seconds or more to download. I want to reflect changes faster to my user, so I would like to use reactive extensions to pump out entities as soon as a complete one is received. My issue is I dont know how to build the parser that can pick out complete entities from an incomplete response string.

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  • pl/sql creating a function with parameterized cursor with return date

    - by user3134365
    create or replace FUNCTION get_next_sch_date(cert_id VARCHAR2,test_id VARCHAR2) RETURN DATE AS CURSOR next_sch_date(pb_id number,test_no varchar2) IS SELECT Sch_Controls,PBY_FRQ,START_AFTER__CAL_DAYS,PBY_DUE_BY,PBY_NEXT_SCH_TEST_DATE FROM ms_cmp_plan_pby WHERE pby_id=pb_id AND test_plan_id=test_no; l_new_date DATE; l_new_sch number; sch_ctrl VARCHAR2(100); pb_frq VARCHAR2(100); start_days NUMBER; due_days NUMBER; test_date DATE; pb_id NUMBER; test_no NUMBER; BEGIN OPEN next_sch_date(pb_id,test_no); loop FETCH next_sch_date INTO sch_ctrl,pb_frq,start_days,due_days,test_date; SELECT DISTINCT pby_rec_id INTO l_new_sch FROM ms_cmp_assignment_log WHERE ASSIGNMENT_ID=cert_id AND PLAN_ID=test_id; exit; end loop; CLOSE next_sch_date; RETURN l_new_date; Exception WHEN others THEN RETURN NULL; end; this is my function but i dont getting excepted result

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  • where to store information like gender and year of birth?

    - by fayer
    i have users and i need them to specify a gender (male, female) and year of birth (1930, 1931...1999, 2000). i wonder where i should store these values: in the database? in php file? if i store them in the database i have to manually create all entries first. but a good thing is that the user table will have constraints so the gender field will always be male or female, it cannot be something else. if i store them in the php file (eg. as html) then i can easily add/remove values. but a con is that i dont have the constraints in database, so another value could be stored as gender by mistake, even though i could add validation in php backend so even if someone hacked the html it is not stored unless it's either male or female. what is best practice to do this? thanks

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  • How to buld selective Projects within a Solution in TS 2008 in Team Build?

    - by Steve Johnson
    Hi all. I have a solution the source Control (TFS 2008) with multiple projects. Some of the projects are independent of each other. I dont want to build the complete solution instead sometimes we need to build some of the projects. I am a total newbie in Team Build. Please help how i can use the <SolutionToBuild Include="$(BuildProjectFolderPath)/../../Development/Main/Build-Development.sln"> <Targets></Targets> <Properties></Properties> </SolutionToBuild> to select only some of the projects from the solution. Kindly give a detailed answer for me as i am absolutely clueless about it. Thanks

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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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  • Creating immutable objects from javabean

    - by redzedi
    Hi All, I am involved in this project where we are building on good bit of legacy code. I have a particular situation about one big java bean object which has to be transferred over wire. So my first thought was to make it immutable and serializable to do the trick .At this point I am faced with a few difficult choices :- 1 Ideally I want some way to automatically generate an immutable, serializable version of this class. I dont have the scope to refactor or alter this class in any way and i would really really hate to have to copy paste the class with a different name ?? 2 Assuming that i gave up on 1 i.e i actually chose to duplicate code of the HUGE javabean class , i still will be in the unsavoury situation of having to write a constructor with some 20-25 parameters to make this class immutable. what is a better way to make a class immutable other than constructor injection ?? Thanks and Regards,

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  • migrate/ update core data app without erasing user data!

    - by treasure
    hello, i have a very complicated problem that i would like to share with you and maybe someone can answer it for me. before i start i have to say that i am very new in this. So, i have a coredata iphone app (much like the recipes app) that uses a pre-populated sql database. The user can add/edit his own data but the default data cannot be deleted. the useres data are ALL saved in the same sql database. QUESTION: what do i have to do in order to: - update some (not all) of the default data that are stored in the sql database without "touching" the user's data? (the model will stay the same - no new entities etc-) (if the user uninstall the app and then reinstall the new version everything will be ok but i dont want to do this, obviously). can someone PLEASE help in coding level?

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  • PHP how to send email basic

    - by user329394
    hi all, im using PHP tu send email from my localhost to other people. can tell me what should i need to do that? for eg should i need to install mailserver? If im not mistaken theres is a language that u dont need a mailsever to send email. is it right? inside the PHP.ini, there are [mail function] how to configure this? i checked on the net, but not really understand how it works. [mail function] ; For Win32 only. SMTP = localhost smtp_port = 25 sendmail_from [email protected] //not sure how to write this?

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  • decentralized development using git and git-svn

    - by CantGetANick
    We have 2-3 small teams of 2-3 people. We all use git for local and svn for central repository and git-svn got sync. This is works all the time except when we want to share our code between the team it self. So we have tried out git pull, this creates lots of conflicts and it does not detect that we are on the same tree. It fetches all the changes (same as clone then pull) Of course i dont want to clone full repo. every time I want to share. Please suggest a better flow. We can't get rid of central svn. We can't clone every time.

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  • const member functions can call const member functions only?

    - by Abhi
    Hi all. Do const member functions call only const member functions? class Transmitter{ const static string msg; mutable int size; public: void xmit() const{ size = compute(); cout<<msg; } private: int compute() const{return 5;} }; string const Transmitter::msg = "beep"; int main(){ Transmitter t; t.xmit(); return EXIT_SUCCESS; } If i dont make compute() a const, then the compiler complains. Is it because since a const member function is not allowed to modify members, it wont allow any calls to non-consts since it would mean that the const member function would be 'indirectly' modifying the data members?

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  • ANY material writen in/for DELPHI around the graphics topic?

    - by José Eduardo
    Does anyone knows ANY material writen in/for DELPHI around the graphics topic? Planning to build a software for medical imaging processing . Thinking in 3D UI to absorve the power of nvidias GTX graphics card, and some real-time 2D processing integrated with high-end scanners. Please dont take this as a "rant" but, we have zillions of C++ books writen about that kind of topic and nothing for pascal/delphi. If you have some experience could you comment about that? Is it better to learn c++, to have access to that material? Can i go with delphi? I have experience with delphi, but none with graphics... And i have a deadline... Thanks.

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  • Declare global variables for a batch of execution statements - sql server 2005

    - by Shrewd Demon
    hi, i have an SQL statement wherein i am trying to update the table on the client's machine. the sql statement is as follows: BEGIN TRANSACTION DECLARE @CreatedBy INT SELECT @CreatedBy = [User_Id] FROM Users WHERE UserName = 'Administrator' --//////////////////////////////////////////////////////////////////// --//////////////////////////////////////////////////////////////////// PRINT @CreatedBy --(Works fine here and shows me the output) PRINT N'Rebuilding [dbo].[Some_Master]' ALTER TABLE [dbo].[Some_Master] ADD [CreatedBy] [BIGINT] NULL, [Reason] [VARCHAR](200) NULL GO PRINT @CreatedBy --(does not work here and throws me an error) PRINT N'Updating data in [Some_Master] table' UPDATE Some_Master SET CreatedBy = @CreatedBy COMMIT TRANSACTION but i am getting the following error: Must declare the scalar variable "@CreatedBy". Now i have observed if i write the Print statement above the alter command it works fine and shows me its value, but if i try to print the value after the Alter command it throws me the error i specified above. I dont know why ?? please help! Thank you

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  • sql data source re binding question

    - by Keith
    In my gridview after an insert operation has been done I am filtering the sqldatasource by ID. I am getting an error that the item drop down box selected value is not in the list. To test my theory I created a new sql data source with only the select statement and after the insert operation I am binding it to my grid view and filtering by Id and I get my result. The question Having a second data source is not the solution so is it possible that there is some way to use sqldatasource1? what I tried is sqldatasource.databind() and gridview.databind() on the inserted and inserting metheds in many test cases but still that doesnt work. I dont have any filters applied on the original data source?

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  • C++ how can I refactor this?

    - by ShaChris23
    I have the code below in my test code in many places: // // Make a function call while expecting an exception should be thrown // bool exceptionThrown = false; try { expectNotEqual(someData, anotherData, methodName); } catch(std::logic_error&) { exceptionThrown = true; } if(!exceptionThrown) throw std::logic_error(methodName+"exception not thrown"); It would be nice (more readable, concise) if I could encapsulate all that, and do something like: exceptionShouldBeThrown(expectNotEqual(someData, anotherData, methodName)); I dont want to use macro ...does anyone know how I could achieve the one-liner above with C++?

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  • Need to override cascade style

    - by WillingLearner
    i have a style : .window .div { border:medium solid #000000; height:150px; background-color: #0099FF; } and then i have another style: #NewDiv { font:Arial, Helvetica, sans-serif; font-size: 24px; height: 20px; border-bottom-width: medium; border-bottom-style: solid; border-bottom-color: #000000; } I need to put a #NewDiv div tag inside of window .div, BUT... #NewDiv must retain its own styling while sitting inside of window .div div tags. How do I do this? Currently when I try, #NewDiv takes on the same styling as window .div when i place it inside of it and i dont want that at all. Any suggestions?

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  • static effect on python

    - by fatai
    how we can construct static effect on python instead of using class and global ? not like that one : global a a = [] #simple ex ; fonk ( a , b , d) x = 1 a.append ( x) EDIT: I want to create temporary memory , if I exit the function namely fonk , I want to save change as list on temporary memory . We can do that demand only put static keyword in front of data type but in python , we dont have static, so I want that effect in python . Therefore , how can I do ? As above code say "a" represents temporary memory

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  • c# How to make linq master detail query for 0..n relationship?

    - by JK
    Given a classic DB structure of Orders has zero or more OrderLines and OrderLine has exactly one Product, how do I write a linq query to express this? The output would be OrderNumber - OrderLine - Product Name Order-1 null null // (this order has no lines) Order-2 1 Red widget I tried this query but is not getting the orders with no lines var model = (from po in Orders from line in po.OrderLines select new { OrderNumber = po.Id, OrderLine = line.LineNumber, ProductName = line.Product.ProductDescription, } ) I think that the 2nd from is limiting the query to only those that have OrderLines, but I dont know another way to express it. LINQ is very non-obvious if you ask me!

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