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  • Upload an image from JSON with rails

    - by Dougui
    I have an application created with PhoneGap and Backbone. I upload a file as JSon and my server receive data like this : data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/... I'm trying to write the file like this : File.open("#{Rails.root}/public/images/#{self.id}.jpg", "w+") do |f| f.write(data) end It's not working and I don't know what to do. When I'm trying to open the file I have this message "Not a JPEG file: starts with 0x64 0x61". Do you have a solution?

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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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  • Multi language testing framework

    - by santiiiii
    I need to write two versions of the same application, one in .NET and the other one in Java. So I'd like to write a single test suite, and then use it against both codebases. Which testing tool would you advise me to use?

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  • problem with inserting HTML with insertHTML

    - by bah
    Hi, I'm trying to make wysiwyg editor with content editable divs and I'm inserting html with document.execCommand('insertHTML', false, html); but the problem is, when i insert link, and then i want to write after it continues to write INSIDE that link. EXAMPLE: how it does now: Hello, stackoverflow.com MyTextAfterLink how it should be: Hello, stackoverflow.com MyTextAfterLink How could i fix this? Thanks.

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  • Proxy Service Is Response Required

    - by hakish
    hi, I want to know what exactly is the functionality of isResponseRequired (MQ Transport)option in proxy and business service. My understanding was that a Proxy can read from a queue and business service can write to a queue. Is it possible for a Proxy to write the response to a queue?

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  • Netbeans braces placement issue

    - by KeyStroke
    Hi there, I'm trying to get Netbeans PHP to let me write braces in a new line instead of the same line, I mean like this: if($something == TRUE) { // some code here } However, when I write if($something == TRUE) then hit enter, Netbeans places the cursor incorrectly in the new line, like this: if($something == TRUE) { // some code here } I've already changed the braces placement option to be "New Line", but this still doesn't work properly. Any idea how I can fix this? Appreciate your help

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  • telephone application programming on Linux

    - by Daniel Stevens
    I'm a Linux user looking to write a program which will pick up the phone, dial a number, play a recording and record what the person on the other end of the line says and save it to an audio file. I will want to use the modem that came with my computer if possible. What should I use to write this program?

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  • LAbeling with Percentage in R plot

    - by Libo Cannici
    Hi I have made this function that takes a table and prepare the label for a barplot prepare_labels <- function(ft){ labs <- ft labs <- paste(labs, "\n", sep="") labs <- paste(labs, round(prop.table(ft)*100,2), sep="") labs <- paste(labs, "%", sep="") return(labs) } It actually works fine, but is there any better way to write that function, the above code looks ugly and I want to write beautiful code :-) ex: ft <- table(mydata$phone_partner_products) prepare_labels(ft) [1] "3752\n34.09%" "226\n2.05%" "2907\n26.41%" "1404\n12.76%" "1653\n15.02%" [6] "1065\n9.68%"

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  • accessing variables declared outside the asp code

    - by sushant
    <script ID="clientEventHandlersVBS" LANGUAGE="vbscript"> s=pass() y=s </script> <% session("password")=y Response.write(session("password")) Response.write(y) %> i have this code. but nothing is getting stored inside the session variable neither anything is getting printed. cant i access the variables declared outside the asp code or is their any syntax mistake. any help is really appreciated

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  • Printing a file to a printer in Ruby

    - by Shreyans
    I need help with sending a formatted text to a printer using Ruby on Ruby on Rails OR sending a pdf file to a printer from Ruby program. I can write the code to create a pdf file from Rails app but don't know how to print that pdf file to a default printer. I am trying to write a small ticketing application with Ruby on Rails. Please help. Shreyans

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  • recursive cumulative sums

    - by user1816377
    I need to write a program that compute cumulative sums from a list of numbers with def but ONLY with recursion. I did it, but now I need to write the same program without using the method sum, but no success so far. Any idea? my code: def rec_cumsum(numbers): ''' Input: numbers - a list of numbers, Output: a list of cumulative sums of the numbers''' if len(numbers)==0: return numbers return rec_cumsum(numbers[:-1])+ [sum(numbers)] input: 1 [1,2,3] 2 [2, 2, 2, 3] output: 1 [1,3,6] 2 [2, 4, 6, 9]

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  • response redirect with '+'

    - by salamonti
    when I write Response.Redirect("Default2.aspx?Name=" + TextBox1.Text); then string input = Request.QueryString["Name"]; if I write yahoo+music in textbox the input will be yahoo music why ? and how can I keep the '+' ?

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  • java app behind proxy to use http_proxy variable in linux

    - by rbbeltran
    hello java guys, im thinking of a simple java app (command line) that connects to the internet to download xml file, the problem is that my ubuntu is using a proxy to connect to internet with username and password (tru http_proxy ="http://:@:" ). So My question is, could it be possible to write a java app to use http_proxy variable? instead of programmatically setting http proxy and host in every app i will write.

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  • ASP C# How to handle large files from database?

    - by Martijn
    In my web application I am working with files. Some files are very large. I use Response.Write() to write the file to the browser. This goes well for the smaller files, but for large files this can take a while and the bandfwith is fully used. My question is, is it possible to split large documents and send it piece by piece to the browser? I hold the document as a property of an object.

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  • mysql query fails.It gives me invalid result

    - by user2941349
    I have to write mysql query for fetching result from my database with a specified date and code like ABH18 or ABH17 or ABH19.I write the querly like below. select * from tbl_transaction where trans_name like 'ABH19%' or trans_name like 'ABH18%' or trans_name like 'ABH17%' or trans_name like 'ABH15%' and date_of_vazhipad='2013-11-20' and trans_status='Completed successfully.' There are no result in the DB satisfying all above conditions.But i got result with different dates.But i want to ensure the date_of_vazhipad='2013-11-20' so that the query may work properly Thanks in advance

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  • Help needed in writing regular expression using TCL

    - by user330727
    Hello Everyone, Just seeking a favour to write a regular expression to match the following set of strings. I want to write an expression which matches all the following strings TCL ( XYZ XZZ XVZ XWZ ) Clue : Starting string is X and Z ending string is same for all the pairs. Only the middle string is differs Y Z V W. My trial: [regexp {^X([Y|Z|V|W]*)Z$}

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