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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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  • need help in positioning

    - by teki
    i am using "beassistance validation" for my form and using tooltip plugin and it work fine except that positioning. please have a look at this link and i upload my form to get an idea what i am talking about. what i want is: if my validation fails i want to display the message after the tooltip icon, but its displaying the message before the tooltip icon. please see here here is the .css i am using: validation .css #aspnetForm { width: 670px; } #aspnetForm label.error { margin-left: 10px; width: auto; display: inline; } form.cmxform { width: 50em; } em.error { background: url("Images/unchecked.gif") no-repeat 0px 0px; padding-left: 16px; } em.success { background: url("Images/checked.gif") no-repeat 0px 0px; padding-left: 16px; } form.cmxform label.error { margin-left: auto; width: 250px; } #aspnetForm label.error { background: url("Images/unchecked.gif") no-repeat 0px 0px; padding-left: 16px; padding-bottom: 2px; font-weight: bold; color: #EA5200; } #aspnetForm label.checked { background: url("Images/checked.gif") no-repeat 0px 0px; } em.error { color: black; } #warning { display: none; } <asp:Label runat="server" ID='Label8' >Start Date:</asp:Label> <asp:TextBox ID="txtStartDate" runat='server' ></asp:TextBox> <a style="cursor: hand" class="tooltip" title="Select the starting date of a visit, example 05/05/2010 (MM/DD/YYYY)!"> <img alt="" src="Scripts/JQuery/Tooltip/icon_tooltip.gif" style="width: 11px; height: 11px" /></a> <p> </p> <asp:Label runat="server" ID='Label9' >End Date:</asp:Label> <asp:TextBox ID="txtEndDate" runat='server' ></asp:TextBox> <a style="cursor: hand" class="tooltip" title="Select the end date of a visit, example 05/06/2010 (MM/DD/YYYY)!"> <img alt="" src="Scripts/JQuery/Tooltip/icon_tooltip.gif" style="width: 11px; height: 11px" /></a> tooltip.css #tooltip{ position:absolute; border:1px solid #333; background:#f7f5d1; padding:2px 5px; color:#333; display:none; }

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  • Time out Exception whiling accesing web service(wcf)

    - by prince23
    hi, i have an webservcie written it works fine . but some time i get this message error telling time outexception was unhandled Time out Exception how can i increase time for accessing the webservice for the application. is there any setting need to be done. please let me know. if any one knows the silution for it thank you

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  • vb.net datadrig view get each cell value

    - by Gbolahan
    hello i'm trying to get the first value of a datagrid cell value but it keeps looping trough and returns the last value. here is the code: Dim cell As DataGridViewCell txtoccupier.Text = "" Try For Each cell In dgvREcord.CurrentRow.Cells() txtoccupier.Text = cell.Value.ToString Next Catch ex As Exception MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error) Exit Try End Try record eample: id name email 1 test [email protected] it returns only [email protected] but i want to get only the id which is 1 thanks for your help

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  • Ruby xml rpc error handilng

    - by stel
    I have a model class Car @@RPCServer = XMLRPC::Client.new("localhost", "/", 8080) def self.count @@RPCServer.call("cars.count") end end If server is not running on localhost:8080 I've got a Errno::ECONNREFUSED error. I want to display an error message to user, how can a handle this error?

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  • Methods in Customized View did not get invoke in AppDelegate, Why?

    - by NorthKyut
    I want the methods pauseGame in customized UIView - MyGameView get invoked when the phone is locked or interrupted. So I have a pauseGame method but it can't stop the timer when user lock screen (command+L). The lock screen did appear but the game still running at the background. So I added the testPause method to MyGameView and MyGameAppDelegate and and put a breakpoint to debug it. When screen locked it, the screen lock appeared and the code did stop at the breakpoint. But when I tried to step into the testPause method, it didn't take me to the method in MyGameView (it just passed it, not skipped) and no message was printed on terminal by NSLog. Why? What did I miss? // // MyGameAppDelegate.h // MyGame // #import <UIKit/UIKit.h> @class MyGameViewController; @class MyGameView; @interface MyGameAppDelegate : NSObject { UIWindow *window; MyGameViewController *viewController; MyGameView *view; } @property (nonatomic, retain) IBOutlet UIWindow *window; @property (nonatomic, retain) IBOutlet MyGameViewController *viewController; @property (nonatomic, retain) IBOutlet MyGameView *view; @end // // MyGameAppDelegate.m // MyGame // #import "MyGameAppDelegate.h" #import "MyGameViewController.h" #import "MyGameView.h" @implementation MyGameAppDelegate @synthesize window; @synthesize viewController; @synthesize view; - (void)applicationWillResignActive:(UIApplication *)application { /* Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game. */ [view pauseGame]; [view testPause]; } @end // // MyGameView.h // MyGame @interface MyGameView : UIView { - (void)pauseGame; - (void)testPause; @end // // MyGameView.m // MyGame // #import "MyGameView.h" #import "AtlasSprite.h" #import "MyGameViewController.h" #import "SecondViewController.h" @implementation MyGameView - (void)pauseGame { [theTimer invalidate]; theTimer = nil; } - (void)testPause{ NSLog(@"TestPause"); } @end

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  • why can't I call methods on a for-yield expression?

    - by 1984isnotamanual
    Say I have some scala code like this: // outputs 1, 4, 9, 16, 25, 36, 49, 64, 81, 100 println( squares ) def squares = { val s = for ( count <- 1 to 10 ) yield { count * count } s.mkString(", "); } Why do I have to use the temporary val s? I tried this: def squares = for ( count <- 1 to 10 ) yield { count * count }.mkString(", ") That fails to compile with this error message: error: value mkString is not a member of Int def squares = for ( count <- 1 to 10 ) yield { count * count }.mkString(", ") Shouldn't mkString be called on the collection returned by the for loop?

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  • mysql - How select a akin records?

    - by zeroonea
    I have a table with name varchar address varchar country varchar city varchar ..... to store address of location example: name|address|country HaLong hotel|156 blahblah street|Vietnam Hotel Ha Long|156 blah blah|Vietnam Two rows above is duplicate data. I have a form, when user submit new location. The code need to find akin records to give a message (ex: This location already in db, use it or create new?) How to make a query to get akin record like this?

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  • Adding button click event when Fancybox popup opened

    - by Tom Bell
    I'm trying to add a button onclick event to a button tag when I load my Fancybox popup using the following code: var processOrder = function(id) { $('#processPopupLink').fancybox({ 'hideOnContentClick': false, 'frameWidth': 850, 'frameHeight': 695 }).click(); $('#processComplete').click(function() { alert('debug'); }); } However, it's not showing the message box when I click the button, I have no idea why it is not working, any help would be appreciated.

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  • Jython 'unknown enocoding ms932' on japanese system

    - by Houtman
    i've written a program in Jython 2.5.1 which works fine on my Windows 7 machine, but on a japanese machine it throws an Exception saying "unknown encoding 'ms932'" i found that codecs.java is the only module printing the unknown encoding 'xyz' message this file loads aliases.py which does contain # cp932 codec '932' : 'cp932', 'ms932' : 'cp932', 'mskanji' : 'cp932', 'ms_kanji' : 'cp932', The file cp932.py contains import _codecs_jp, codecs But.. _codecs_jp does not exist as is also discussed in this page Does anyone have a clue where to go from here ? http://web.archiveorange.com/archive/v/8tc1Zc2rV3qiUcy9zPlA

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  • Catching TransactionRolledbackLocalException in Java

    - by user271858
    I receive javax.ejb.TransactionRolledbackLocalException in Websphere 7 from the container and I wonder how is it possible to catch this exception? I have a timeout set in Websphere and get this message after this time. I run session beans. I am trying to find what SQl statement was the cause of this exception. Where can i find that?

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  • Exception Handaling in google app engine

    - by Rahul99
    i am raising exception using if UserId == '' and Password == '': raise Exception.MyException , "wrong userId or password" but i want print the error message on same page class MyException(Exception): def __init__(self,msg): Exception.__init__(self,msg)

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  • Any way to detect SMS to E-Mail Gateways?

    - by Paul
    I want to create a PHP app that can send text messages. There are different gateways for different email carriers. Is there any library I could use that would be able to lookup or detect which gateway to use just by passing the phone number into it? This way I can take whatever email address I get out and use PHP's email functions to send a message. Thanks in advance!

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  • What does this pointer-heavy C code do?

    - by justRadojko
    Could someone explain to me what should two following lines do: s.httpheaderline[s.httpheaderlineptr] = *(char *)uip_appdata; ++((char *)uip_appdata); This is taken from uIP code for microcontrollers. s - structure httpheaderline - http packet presented as a string httpheadrlineptr - integer value uip_appdata - received ethernet packet (string) If some more info is needed please let me know. BTW. Eclipse is reporting an error on the second line with message Invalid lvalue in increment so i'm trying to figure out how to solve this.

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  • Add a custom jquery validation method not connected to a field

    - by Johan Wikström
    Normally all validation methods is connected to a field, radiobuttons, dropdowns etc. In my case I would like to do a general custom validation that depends on many fields in my form. I dont want one field of them to become highlighted like a normal "required", i would rather just show a message in the errorcontainer. Is there a simple way to do this I have overlooked?

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  • [Delphi] open text files in one application

    - by Remus Rigo
    hi all I want to write an text editor and to assign the txt files to it. My problem is that I want to have only one instance running and when a new file is opened to send the filename to the first app that is already running... (I want to do this using mutex). Here is a small test DPR looks like this uses Windows, Messages, SysUtils, Forms, wndMain in 'wndMain.pas' {frmMain}; {$R *.res} var PrevWindow : HWND; S : string; CData : TCopyDataStruct; begin PrevWindow := 0; if OpenMutex(MUTEX_ALL_ACCESS, False, 'MyMutex') <> 0 then begin repeat PrevWindow:=FindWindow('TfrmMain', nil); until PrevWindow<>Application.Handle; if IsWindow(PrevWindow) then begin SendMessage(PrevWindow, WM_SYSCOMMAND, SC_RESTORE, 0); BringWindowToTop(PrevWindow); SetForegroundWindow(PrevWindow); if FileExists(ParamStr(1)) then begin S:=ParamStr(1); CData.dwData:=0; CData.lpData:=PChar(S); CData.cbData:=1+Length(S); SendMessage(PrevWindow, WM_COPYDATA, 0, DWORD(@CData) ); end; end; end else CreateMutex(nil, False, 'MyMutex'); Application.Initialize; Application.CreateForm(TfrmMain, frmMain); Application.Run; end. PAS: type TfrmMain = class(TForm) memo: TMemo; private procedure WMCopyData ( var msg : TWMCopyData ) ; message WM_COPYDATA; public procedure OpenFile(f : String); end; var frmMain: TfrmMain; implementation {$R *.dfm} procedure TfrmMain.WMCopyData ( var msg : TWMCopyData ) ; var f : String; begin f:=PChar(msg.CopyDataStruct.lpData); //ShowMessage(f); OpenFile(f); end; procedure TfrmMain.OpenFile(f : String); begin memo.Clear; memo.Lines.LoadFromFile(f); Caption:=f; end; this code should be ok, but if i want to open a text file (from the second app), the first app receives a message like this: thanks

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  • How to reduce the Bandwidth Consumption in flex app,while its launching application ?

    - by Thirst for Excellence
    Recently i designed one Abode air Chat application, which gets the chat messages from admin-Application(we bApplication), band width consumption is too high while each client launching air application to pull the data from database to my-amf endpoint. in this am using blazeds,Jetty server,simple java classes(not servlets) calling with remote object, Please any one suggest me few techiniques to 1)reduce the bandwidh consumption while sending message to each client from admin 2)minimize the time to pull the data from database while client launching application. Regards, Thirst for Excellence

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  • Can I check if e-mail address is valid?

    - by simple
    How can I implement following logic? User registers with an e-mail address If provided e-mail address is a valid email address Then user account get's activated or if it is a fake email then user account is not activated I doubt that I can catch the - "Delivery failed reply message", right? anyhow how would you suggest to implement the above logic? PS. I will have to find a way no matter what, client wants it =)

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