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  • Whats the most efficient way to access another forms controls in .NET?

    - by broke
    I'm creating a reporting application, and our customers are going to need to generate some pretty big reports which require quite a bit of memory. Ive been in a re-factoring mood lately, so I was wondering what the best way to access the properties of another open form would be(The reporting viewer opens in a new form.) So far I have: Dim form As MainSelections form = My.Application.OpenForms(2) yay or nay. Thanks

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  • JavaScript: How do I create an Array into another Array?

    - by Timnkd
    I have the following JavaScript Array: var jsonArray = { 'homes' : [ { "home_id":"203", "price":"925", "sqft":"1100", "num_of_beds":"2", "num_of_baths":"2.0", }, { "home_id":"59", "price":"1425", "sqft":"1900", "num_of_beds":"4", "num_of_baths":"2.5", }, // ... (more homes) ... ]} I want to convert this in an Array like such (pseudo code): var newArray = new Array(); newArray.push(home_id's); How can I do that? Notice how the newArray only has home_ids from the big jsonArray array.

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  • Is passing a struct value to a method by-reference in C# an acceptable optimization?

    - by Arc
    Say I have a struct: struct MyStruct { public int X public int Y } And a method in some class that is iterated over many times elsewhere: public bool MyMethod( MyStruct myStruct ) { return ... } Is changing the MyMethod signature to the following an acceptable optimization? public bool MyMethod( ref MyStruct myStruct ) If so, how much of an advantage would it really be? If not, about how many fields would a struct need for a big enough advantage using ref this way?

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  • What are the downside of not having an index.html file to some directories

    - by Pennf0lio
    Hi, I'm curious what are some effects/downside of not putting an index.html file to your directories (e.g images). I know when an index file is not present to a directory, files inside that directory are no longer private and will be visible to the browsers when point (eg yoursite.com/images/). Aside from that what are some big effects to consider? and how to properly secure them. thanks!

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  • How To Send thousands of javaMails simultaneously ?

    - by ylazez
    greetings all i am building a web app(smth like a forums) that will need to send thousands of emails simultaneously i think that it would be such a big load on the app to handle sending the emails, so i want to use another service or framework to handle sending the emails in asynchronous way so that there will be no load on the app, maybe JMS , i don't know, please suggest me a good solution.

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  • What is the best way to modify a few fields in an XML using Java

    - by Kailas J C
    I have a big XML which contains around 300 elements. I need to modify 2 or 3 elements in this xml using Java. I don't want to go for conventional marshalling and unmarshalling as it involves the parsing of the whole XML. How is XPath/XSLT manipulation? I know that I can easily read the data but i need to modify the same and put in back in the same XML. The primary concern here is performance. Kindly advise

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  • Assign query results to MySQL variable

    - by 5un5
    I'm querying a big mysql database with only read privileges, and I'd like to set some slow query results to a variable, 'foo', so I can use them again in other queries. I get, ERROR 1193 (HY000): Unknown system variable '$foo' when I enter: set $foo := (select * from table1 join table2 where bar = 0 group by id); Is there a way to do this with variables, since I don't have privileges to create temporary tables?

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  • XML Database in C#.net

    - by rookieinfotech
    I am developing a WPF client program for some websites. It uses XML database. I am new to XML. Would someone please explain how to create,append(Most important),edit,read&encrypt XML file. It is a big question,i know . But, it is urgent.Have to complete the work ASAP. Searched in the internet, not getting correct info.

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  • Location based iPhone app

    - by Cheryl
    Hi Everyone I just wanted to say a big thank you to everyone here as my first ever iPhone app is now in the app store! I couldn't have done it without all the help from everyone here. It's called zigAroute if you want to check it out. Thanks Cheryli

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  • Session_End Alternatives

    - by grimus
    I have seen in some other questions that using Session_ End() in Global.asax.cs is not advised. This is because if you're not using the default Session handler, Session_End won't get called, correct? Is there any other cases where it won't get called? The big question is: If you can't depend on Session_End(), what do you do to determine when a session has closed?

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  • What's the difference between C and C++

    - by Dinah
    I know that C++ has the concept of objects but C doesn't. I also know that pretty much all there is to know about C fits into K & R but the C++ library is vastly more complex. There have got to be other big differences though. What are the major differences between C and C++?

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  • Flex game to build a building

    - by johnraja
    I want to develop a game in flex to build a building. In canvas i want to spirit into number of squares and place a different type of building in that square(Using click and drag). If small building means its take two square and big building means its take four squares. Please anybody help me

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  • Mathematica + GraphPlot + GraphicsGrid with EdgeLabels

    - by Paxinum
    I had some very strange problems with GraphicsGrid. The individual PraphPlot:s looks nice and ok, but the code GraphicsGrid[{{GraphPlot[{{a -> b, "ab"}, {a -> c, "7"}}]}, {GraphPlot[{{a -> b, "5"}, {a -> c, "2"}}]}}] just produces 2 big clots of garbage. If I remove the edge labels, everything works as expected. I am using Mathematica 7.0.0.

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  • Interrupt ?13 (ah=48) - don't working

    - by GLeBaTi
    mov dl,00h mov ah,08h int 13h this is code showing normal parameters of floppy disk. mov dl,80h mov ah,08h int 13h this is code, showing not valid parameters of hard disk(may be, my hard disk space is big (LBA)), And I've written this code: mov dl,80h mov ah,48h int 13h it is code doing cf = 1(error). How fix it? I want learn parameters of my hard disk. (http://lrs.uni-passau.de/support/doc/interrupt-57/RB-0677.HTM)

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  • What's the Erlang/Haskell job market like in the U.S.?

    - by Krystof
    I've heard that Telecoms are the big source of Erlang jobs but I'm not sure how much of a market there is. How likely is it that someone could find a job in Erlang/Haskell if they decided to learn it? In my case I have a lot of programming experience in Java but am tired of Java and want to try something different.

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  • Get error with ajax get in jquery to an extern url

    - by user1394983
    I have a big problem. I want get information with an webservice in one URL. But I'mm getting this error: XMLHttpRequest cannot load ht*p://external_url_that_i_trid_to_get. Origin ht*p://localhost:8888 is not allowed by Access-Control-Allow-Origin. Im using this: $.get(url_parsed,date_get,function(data) { if (data.result == 'sucess') { alert(data.data["title"]); } },"json"); How I can resolve this? Regards

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  • CVS: Modules vs Subdirectories

    - by Glaxalg
    Does anyone know what is the best approach to define structure of modules/directories in CVS? Specifically what if I have big project that could possibly has many sub-projects (even not related). Is it better to define module for each sub-project or use subdirectories: Approach #1 Modules CVSROOT Main Project Platform A Sub-project1 Platform A Sub-project2 Platform B Sub-project3 ... Approach #2 subdirectories CVSROOT Project Main Platform A Sub-Project 1 Sub-Project 2 Platform B Sub-Project 3 ...

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  • Maximum capabilities of MySQL

    - by cdated
    How do I know when a project is just to big for MySQL and I should use something with a better reputation for scalability? Is there a max database size for MySQL before degradation of performance occurs? What factors contribute to MySQL not being a viable option compared to a commercial DBMS like Oracle or SQL Server?

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  • Replace a whole line in a txt file

    - by user302935
    I'am new to Python 3 and could really use a little help. I have a txt file containing: InstallPrompt= DisplayLicense= FinishMessage= TargetName=D:\somewhere FriendlyName=something I have a python script that in the end, should change just two lines to: TargetName=D:\new FriendlyName=Big Could anyone help me, please? I have tried to search for it, but I didnt find something I could use. The text that should be replaced could have different length.

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