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  • Ruby on Rails: How do you add add zeros in front of a number if it's under 10?

    - by sjsc
    I'm looking to convert single digit numbers to two-digit numbers like so: 9 ==> 09 5 ==> 05 12 == 12 4 ==> 04 I figure I could put a bunch of if-else statements (if number is under 10, then do a gsub) but figure that's horrible coding. I know Rails has number_with_precision but I see that it only applies to decimal numbers. Any ideas on how to convert single-digits to two-digits?

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  • iPhone Tab Bar application crash

    - by Mark Szymanski
    I have an application that uses a tab bar and whenever it launches it crashes and gives me the following error and stack trace: 2010-04-22 16:15:03.390 iCrushCans[59858:207] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<UIWindow 0x3e051a0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key rootViewController.' 2010-04-22 16:15:03.392 iCrushCans[59858:207] Stack: ( 29680731, 2425423113, 29839809, 305768, 304309, 2957847, 4641908, 29583663, 4636459, 4644727, 2805842, 2844630, 2833204, 2815615, 2842721, 37776729, 29465472, 29461576, 2809365, 2846639 ) Thanks in advance!

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  • Does it make sense to have several UDP ports ready? Will packets be dropped?

    - by Gubatron
    I'm coding a networking application on Android. I'm thinking of having a single UDP port and Datagram socket that receives all the datagrams that are sent to it and then have different processing queues for these messages. I'm doubting if I should have a second or third UDP socket on standby. Some messages will be very short (100bytes or so), but others will have to transfer files. My concern is, will the Android kernel drop the small messages if it's too busy handling the bigger ones?

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  • Anyway to error check PHP in Dreamweaver?

    - by user60310
    I do all my PHP coding in Dreamweaver (currently version CS3) I am used to it and like it. There is one thing I would like though, is to be able to check for errors. Currently I don't see them until I upload the page to a server. Is there anyway to setup PHP error checking in Dreamweaver? Thanks.

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  • Any Alternatives to NCommon?

    - by Innogetics
    I like the way NCommon saves me from dealing with all the plumbing required to do DDD with NHibernate. I like it so much that it I am seriously considering it to be part of my default architecture in new projects. I'd like to ask if there are other DDD alternatives (aside from coding from scratch) to what NCommon does. Thanks.

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  • Recommend me a good book/source for learning for Web Design

    - by Idlecool
    Hi, While web development/design, I found coding it self is not enough to develop an attractive website so i have urge to learn photoshop.. i want to know what can be the best way to learn photoshop (preferably Photoshop CS4 Extended) mainly for website design. I experienced web tutorials are not enough for effectively learning computer languages, but not sure about photoshop coz it is a different job.. please recommend me a book / web tutorial for learning Photoshop.

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  • epub ebook reader

    - by venkateshf1
    I am working on ebook reader with the books in epub format, i need some sample codes regarding that or the java script coding for that.I spent a lot of time in research, any help is appreciated.

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  • How to PlaySound in C++

    - by user189748
    i try to play a music file in my coding, but failed. i have my music file in the same folder which save .cpp file. can someone help me? my code is: #include <iostream> #include <windows.h> int main() { PlaySound("kenny g.WAV", NULL, SND_ASYNC); }

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  • What's a good jQuery ligthbox plugin that cycles through images? (like a carousel)

    - by Greg
    I'm looking for a jQuery lightbox plugin that has the ability to, with it's next and previous buttons, cycle through images repeatedly. Like a carousel effect. I've been using jQuery Lightbox Plugin (balupton edition) but that doesn't have the option to continue cycling through images. It reaches the last image in the array and then disables the 'next' button. So to save me some time coding, what are some plugins you can recommend?

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  • Animate and Move ImageButton or ImageView in Andriod

    - by Ramesh
    hi ... i am new to Android, i am creating game app. i have 3 images in screen. if i click the image it should animate ie it should show open and close that particular image. Then i have to shift the images. ie i want to swap first and second and second with third. can u help me with coding.

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  • How do I compare current date with dates stored in MySQL db?

    - by Gabriele
    Hello, I'm coding a uploader that saves into the db the date when a file is uploaded using CURDATE(). I want to compare the current date with the one stored into the db in order to change the color of the icon related to the file depending on how long has this feel been uploaded. For instance, if less than a week, the icon will be green, if more than a week, it will be yellow, if more than two weeks, red. How can I do it? Thanks.

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  • Grabbing "last saved by" metadata from access '03 file to excel '03 in VBA

    - by Spacious
    So I am in Excel trying to read the last saved metadata from an Access database, but I cannot figure out how on earth to do this. If I use environ$("username") it will give my the last saved information for the excel document where I am coding, not the access db that I want it to grab from. Excel has a built in function for grabbing username data, but I cannot find one for access. How can I do this?! Any help is greatly appreciated!

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  • How to add information to about screen of my cocoa app in Mac Os X

    - by Unicorn
    Hi All, I am pretty new in developing cocoa applications. I have developed a small UI application using cocoa. I wanted to add some information on about screen, currently it shows the app name and version which is 1.00. Can any one help me how i can add some information in about screen, is it possible to add information programmatically instead of hard coding it ? Any help will be appreciated.

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  • construct hyperlink in wpf C#

    - by fad
    how can i insert a TextBlock control in a Hyperlink in c# coding. similar to <TextBlock> <Hyperlink>a</Hyperlink></textblock in C#. i'm unable to find content property in Hyperlink. Thanks in advance.

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