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  • Weakly connected tree

    - by wow_22
    hello I have an algorithmic problem using a weakly connected tree T where w(T)=sum(w(e)) for each edge e,by w i declare weight and i have to prove that we can use prim and Kruskal algorithm while w(T)=max{w(e)} maximum between any edge e belongs at T (I proved that) but i have also to prove the same for w(T)=?(w(e)) while ? states product of all edges belongs at T i tried a lot to prove it but i did not came up with a result that proving or disapproving the use of prim ,kruskal any help will be more than appreciated thanks

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  • ASP .Net User Roles - ordering for a drop down.

    - by ilivewithian
    We are using the standard aspnet security features, we have need to set the order of the roles, purely for display purposes. We could just have a sequence number onto the end of the aspnet_roles table, but that feels kinds of hacky to me. Also if in future versions of asp the security get changed we will be in trouble. Is there a better way to do this that won't make me loose sleep each time a new version is pushed out?

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  • Why is C++ backward compatible with C ? Why isn't there some "pure" C++ language ?

    - by gokoon
    C and C++ are different languages, blababla we know that. But if those language are different, why is it still possible to use function like malloc or free ? I'm sure there are all sort of dusty things C++ has because of C, but since C++ is another language, why not remove those things to make it a little less bloat and more clean and clear ? Is it because it allows programmers to work without the OO model or because some compilers doesn't support high-level abstract features of C++ ?

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  • SFTP Libraries for .NET

    - by John Doe
    Can anyone recommend a good SFTP library to use? Right now I'm looking at products such as SecureBlackbox, IPWorks SSH, WodSFTP, and Rebex SFTP. However, I have never used any SFTP library before so I'm not sure what I'm looking for. If anyone has used these before, is there any reason why I should go with product "X" over "Y"? Thanks!

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  • a console code editor with CUA (ctrl-x ctrl-v ...) key bindings (unlike vi)

    - by clyfe
    I'm searching for a console code editor with CUA key bindings (ctrl-x c v etc.) Right now i'm toying mcedit but i don't really like it. My desired features are: * be fast * CUA key bindings (ctrl-x c v etc.) * toggle show line numbers * find/replace/goto line * bind custom keys to action( ctrl-shift-arrowdown to double the curent line etc.) * nice simple vi-like interface (no pointless menus) * be able to programatically extend it ... etc.

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  • Display the same prev/next usercontrol twice on a page

    - by Scott
    I haven't seen a question like this. I have a prev/next paging control on my page, one at the top and one at the bottom like this: top pager product catalog bottom pager Each pager is bound to a PagedDataSource that is exactly the same. I don't want to duplicate effort, so I am trying to figure out a way to do the processing once, but show the control twice.

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  • Accelerometer data analysis

    - by jrrt
    Hello, I would like to know if there are some libraries/algorithms/techniques (python, if at all possible) that help to extract features from accelerometer data (extracted from and android phone, btw), like periodicity of movements, energy of acceleration and the like. Has anyone done this kind of task before? Thank you very much in advance :)

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  • Project Euler 9 Understanding

    - by DMan
    This question states: A Pythagorean triplet is a set of three natural numbers, a b c, for which, a2 + b2 = c2 For example, 32 + 42 = 9 + 16 = 25 = 52. There exists exactly one Pythagorean triplet for which a + b + c = 1000. Find the product abc. I'm not sure what's it trying to ask you. Are we trying to find a^2+b^2=c^2 and then plug those numbers into a+b+c=1000?

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  • What are the disadvantages of using Antlr?

    - by ajay
    I've worked on Flex, Bison few years ago during my undergraduate studies. However, I don't remember much about it now. Recently, I have come to hear about Antlr. Would you recommend that I learn Antlr or better to brush up Flex/Bison. Does Antlr have more/less features than Flex/Bison ? Thanks,

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  • Change paper size in the middle of a latex document?

    - by Usagi
    Does anyone know how to change these length parameters in the middle of a latex document? \paperwidth \paperheight I would like to define a page size for a single page (possibly two or three). I tried v5.3 of the geometry package, which just added some new features; like \newgeometry. Unfortunately \newgeometry cannot be used to redefine \paperheight and \paperwidth. Any help would be very appreciated.

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  • accessing SQL syntax reference in mysql workbench

    - by dcompiled
    Finding it a little bit tedious migrating to the new Mysql Workbench (5.2.22) even though it has many more features than the older GUI tools. Right now I'm confused why I can't find an SQL reference when I open the Doc Library. Is there a way to access this info within the workbench, I'd prefer not to have to open a browser to access reference info on the web.

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  • Is PetraVM Jinx Beta 1 good?

    - by Brian T Hannan
    PetraVM recently came out with a Beta release of their Jinx product. Has anyone checked it out yet? Any feedback? By good, I mean: 1) easy to use 2) intuitive 3) useful 4) doesn't take a lot of code to integrate ... those kinds of things. Thanks guys!

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  • How to exclude the title from theme applied to the application?

    - by Janusz
    I'm using a theme for my app to set some common layout features. One of the things I change in this theme is the text style. I change the color of text in the whole app to a certain color etc. Sadly the color of the title is also changed and the result is a somewhat blurry ugly style. Is it possible to somehow overwrite the style for the title in the theme? Or exclude the title?

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  • SQL Server 2008 : Standard or SQL Express

    - by dr
    Which is a better choice on a development box if you primarily develop Asp.Net applications and SSRS reports. I have never had to use the Express editions, so I don't really know the pros or cons. The cons I have listed for Standard+ editions are: toll it takes on system resources pain to attach database for projects pain to detach unused databases $$$ Pros: You have everything you need Management Studio features Easy move to production

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  • magento free template with left side menu

    - by Hima
    Hai I want to create a magento web site, which have left side menus (product category - products). Not in the top. I am wanted to download free template. Does any one help me to get the free template having left side menu. Or any good URL to download this template

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  • PHP string to object name.

    - by Smickie
    Ok I have a string... $a_string = "Product"; and I want to use this string in a call to a object like this: $this->$a_string->some_function(); How the dickens do I dynamically call that object? (don't think Im on php 5 mind)

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  • Help with SQL query in C#

    - by DanSogaard
    I'm trying to rename the columns. The syntax should be the column name between double quotes incase of two words, like this: SELECT p_Name "Product Name" from items So I'm trying to do it in C# code like this: string sqlqry1 = "SELECT p_Name \"Prodcut Name\" from items"; But I get an error: Syntax error (missing operator) in query expression 'p_Name "Prodcut Name"'. It seems am having somthing wrong with the quotes, but I can't figure out.

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  • Dll in both the bin and the gac, which one gets used?

    - by John Boker
    We have a web application that's deployed to many websites with only frontend changes, the shared backend portion has it's DLL in the GAC so we only have to update that one dll and all the sites get the update. Is there a way to override the GAC with a DLL in the /bin folder to test out new features before they get released?

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  • Is there a way to jail in Javascript, so that the DOM isn't visible

    - by TiansHUo
    I would really like to provide the user some scripting capabilities, while not giving it access to the more powerful features, like altering the DOM. That is, all input/output is tunneled thru a given interface. Like a kind of restricted javacsript. Example: If the interface is checkanswer(func) this are allowed: checkanswer( function (x,y)={ return x+y; } but these are not allowed: alert(1) document.write("hello world") eval("alert()")

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