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  • taking a character input in python from a file?

    - by mekasperasky
    in python , suppose i have file data.txt . which has 6 lines of data . I want to calculate the no of lines which i am planning to do by going through each character and finding out the number of '\n' in the file . How to take one character input from the file ? Readline taken the whole line .

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  • Error building QtDeclarative with Qt 4.6.2 on Mac OS X

    - by Viet
    I tried hard to build QtDeclarative with Qt 4.6.2 on Mac OS X (Leopard) and did lots of Googling without finding any cure. Could anyone please help to solve this problem? Thanks. Here goes the error: Undefined symbols: "QObjectPrivate::isSignalConnected(int) const", referenced from: QmlGraphicsKeysAttachedPrivate::isConnected(char const*)in qmlgraphicsitem.o QmlGraphicsMouseRegionPrivate::isConnected(char const*)in qmlgraphicsmouseregion.o ld: symbol(s) not found collect2: ld returned 1 exit status make: *** [.obj/QtDeclarative.framework/QtDeclarative] Error 1

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  • MongoDB equivalent of SQL "OR"

    - by Matt
    So, MongoDB defaults to "AND" when finding records. For example: db.users.find({age: {'$gte': 30}, {'$lte': 40}}); The above query finds users = 30 AND <= 40 years old. How would I find users <= 30 OR = 40 years old?

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  • Automatically inserting new fields in a web.config file

    - by MarceloRamires
    I have an ASP.NET project which has already some custom fields in it's web.config file. I've added in it three more fields and used them in my changes, and it's working great. But where it needs to be used, there aren't these thre fields in the web.config (this was expected, I've just added by hand for tests and developing). How do I check the existance of fields in web.config, and in case of not finding it, how do I add it permanently to the web.config ? Thank you

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  • How do I get Aptana to recognize .jspf files?

    - by Keith Bentrup
    How do I get Aptana to recognize .jspf files? I'd like to have syntax highlighting for .jspf files. I'm sure there's a preference/config option or an xml file to edit, but I'm not finding it. I assume it's similar to the eclipse process, so I'm tagging eclipse, too. If it's not, I'll remove the tag.

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  • Where is comprehensive documentation on Android's XML shapes?

    - by Daniel Lew
    I've been looking around for this for a long time but can never seem to find it in the Android documentation. There's all sorts of advanced things I see, but I can never find any solid documentation - there's the shapes package, but it provides no insight on how to use them in xml. The best I can do so far is finding other people's examples. Is there some magical documentation that exists for the XML shapes?

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  • Parsing Tabular cell data with space where there is td tag.

    - by Harikrishna
    I am parsing html tabular information with the help of the html agility pack. Now First I am finding the rows in that table like var rows = table.Descendants("tr"); then I find the cell data for each row like foreach(var row in rows) { string rowInnerText = row.InnerText; } That gives me the cell data.But with no spaces between them like NameAdressPhone No but I want the innertext like Name Address Phone No means where there is td tag I want to keep there one space between different column cell.

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  • Better cout a.k.a coutn;

    - by Knowing me knowing you
    Guys would it be difficult to write coutn which will be basically place newline symbol at the end of the input. While working with console (that's all I can do at the moment) I'm finding very tedious to write '\n' every time I want the line to be a new line. Or maybe it is already implemented?

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  • Rails error_messages helper

    - by Bob
    This is a very common piece of code <% form_for :blah... do |f| %> <%= f.error_messages %> First name: <%= f.text_field :first_name %><br /> .... <% end %> error_messages is a helper method but I am having a hard time finding the documentation for it, why is that?

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  • Sending emails?

    - by Kaep
    Hi i saw a post explaining how to send emails in python. But my problem is finding a server that will send my email on.. I read about setting one up and i read that it is a complicated process.. Can anyone help me find a server or give me a tip to set one up myself? Thanks!

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  • Using Boost on ubuntu

    - by Dexter
    I've heard a lot of good comments about Boost in the past and thought I would give it a try. So I downloaded all the required packages from the package manager in Ubuntu 9.04. Now I'm having trouble finding out how to actually use the darn libraries. Does anyone know of a good tutorial on Boost that goes all the way from Hello World to Advanced Topics, and also covers how to compile programs using g++ on ubuntu?

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  • Can I programmatically find out if a drive is in use?

    - by Geo
    Is there any way of programmatically finding out if a mapped drive is currently in use? If I try to unmount the drive with net use, and the drive is being used, it will tell me that the drive is in use and prompt me to take further action. I'd like to be able to unmap drive automatically if it's no longer being used. The system is a Windows XP.

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  • View state is not getting in the Page PreInit event

    - by Jibu P C_Adoor
    Hii,, I need a help. I have a master page and i am changing the masterpage file property to some other master page dynamically in the page PreInit event and that changing url is taken from a viewstate. but the view state is not getting in the pre init event. If you finding any solution regarding this pls help me....

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  • udp server unable to transmit data

    - by mawia
    Hi! all, I have written a simple udp server which has to transmit certain data to few of it's clients. but though server is successfully executing send,but unable to transmit even a single byte.The return value of send is 0 although I have enough data to be transmitted.you can see the code for the said server here: http://pastebin.com/zeMcwd6X Can you people help in finding the possible culprit for the same.Any reply in this regard will be appreciated. Lot of Thanks in advance! Mawia

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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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  • Second min cost spanning tree.

    - by Evil
    Hello. I'm writing an algorithm for finding the second min cost spanning tree. my idea was as follows: 1) Use kruskals to find lowest MST. 2) Delete the lowest cost edge of the MST. 3) Run kruskals again on the entire graph. 4) return the new MST. My question is this: Will this work? Is there a better way perhaps to do this?

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  • C# tutorial for beginners

    - by see-sharp
    I am still a beginner programmer, though I know some basics of C#. I want to be a professional programmer. What tutorials can I use to learn C# from this point-of-view? I am in no hurry; I just want to be perfect. I am dedicated in terms of time and hard-work. I searched Google, but I'm not finding impressive beginner resources.

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