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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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  • document.URL Matching in Javascript

    - by streetparade
    I have a url which looks like this https://test.high.com/people/11111111-name-firstname-_custa/deals/new Now i need to match document.URL if im on that Page if so i will alert a message. The important part is /deals/new How can i match that in Javascript?

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  • How to translate this query:

    - by xRobot
    How can I translate this 2 queries in postgresql ? : . CREATE TABLE example ( id int(10) unsigned NOT NULL auto_increment, from varchar(255) NOT NULL default '0', message text NOT NULL, lastactivity timestamp NULL default '0000-00-00 00:00:00', read int(10) unsigned NOT NULL, PRIMARY KEY (id), KEY from (from) ) DEFAULT CHARSET=utf8; . SELECT * FROM table_1 LEFT OUTER JOIN table_2 ON ( table_1.id = table_2.id ) WHERE (table_1.lastactivity > NOW()-100);

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  • form validation without reset

    - by Paulo Bueno
    Hi guys Is there a way to check the data sent by a form to a PHP page return to the form page WITHOUT resetting the data sent and show a error? The form has 20 fields and I need to check one of them on a bd. If it fails the user may be redirected to the form page with the form populated and displaying a error message on the field which is 'wrong'. I would like any advice of a technique instead of populating each field using PHP.

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  • PHP preg_match, need some help

    - by SoLoGHoST
    Can someone please help me with this preg_match if (preg_match('~[^A-Za-z0-9_\./\]~', $filepath)) // Show Error message. I need to match a possible filepath. So I need to check for double slashes, etc. Valid file path strings should look like this only: mydir/aFile.php or mydir/another_dir/anyfile.js So a slash at the beginning of this string should be checked also. Please help. Thanks :)

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  • Accessing datagrid cell in ajavascript

    - by Anil
    Datagrid is in content,When trying to access client side function for the cells in the datagrid,its always showing at 0 position suppose i have 10 rows,for each row "Test button" i should invoke the client side java script. For each row "Test button" client side script is displaying message at first row only.

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  • Required Feild validator in grid view

    - by vigna hari karthik
    Hai Friends I am having one dyanmic grid in that amount and date is not null column user should enter some thing in that spceified column.my issue is that if the save button is pressed the requried validator is firing for all the rows which is empty.it should only show if the user shows in the current row.if the user left the particular row is empty and presses the save button the error message should show in the current row not all the rows. how to do this.

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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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  • can't get pingfm class work (ruby)

    - by Radek
    I have simple code from Ping.fm Ruby Client/Library require 'pingfm' pingfm = Pingfm::Client.new('api_key', 'user_app_key') but it gives me uninitialized constant Pingfm (NameError) pingfm gem is installed, just there was this error message Could not find main page README during installation. Any idea how I can get it work? I am using: ruby 1.8.6 (2008-08-11 patchlevel 287) [i386-mswin32] pingfm (1.0.2)

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  • Session and cookie in same PHP file?

    - by ajsie
    Can't I set session and cookie in same PHP file? I get an error message if I set the cookie after I've set session telling me that the header is already sent. If I set session after cookie I get nothing but it seems not to work well.

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  • MongoDB using NOT and AND together

    - by Stankalank
    I'm trying to negate an $and clause with MongoDB and I'm getting a MongoError: invalid operator: $and message back. Basically what I want to achieve is the following: query = { $not: { $and: [{institution_type:'A'}, {type:'C'}] } } Is this possible to express in a mongo query? Here is a sample collection: { "institution_type" : "A", "type" : "C" } { "institution_type" : "A", "type" : "D" } { "institution_type" : "B", "type" : "C" } { "institution_type" : "B", "type" : "D" } What I want to get back is the following: { "institution_type" : "A", "type" : "D" } { "institution_type" : "B", "type" : "C" } { "institution_type" : "B", "type" : "D" }

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  • How to raise an action picker with options of Send to via sms, email, etc.

    - by Pentium10
    I've seen in applications a popup that prompts me what I do want to do with a text. I am prompted to choose from Send by SMS, Send by Email, Send by Bluetooth, Send by Fring etc. How do I make such a popup, it seamed to be automatically built? Also how do I tell what message to use? And if needed how do I tell who the contact is? Maybe chooses the options based on the contact, (if has email, show email)

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  • How to get CVS notification emails to contain link to diff ?

    - by Ro
    Hi All, Is there any way to get CVS e-mail notifications to inlude links to my ViewCVS server where clicking a link could bring up the diff ? Currently my loginfo file just has entries like this ^installation cat | /usr/bin/Mail -s "[cvs-update installation]" [email protected] The e-mails we all then get (Afairly standard I imagine) contain the commit message and list of files changed. Cheers, Ro

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  • add new records using signal in django admin

    - by ganesh
    I've a model called broadcastinfo, It has fields viz.. info,userid...userid is excluded. when i add an new info, my broadcastinfo table should get the records of all userid from user table and the given message. Im trying this via signal.Any idea is highly appreciated. Thanks

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  • Has anyone sucessfully installed balmer, the photo gallery?

    - by saliem
    I am trying to install balder - the carrier wave tree i am getting some errors including: not seeing the form elements for adding photos. getting an error message "command exiftool not found" I think I've installed all the gems and software already. Anyone here good with troubleshooting code? also - i've got some screenshots handy if you need them. stackoverflow wont let me post images yet :/ also, are there any other alternative photo galleries written for ROR?

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  • in Virtual C# 2010 express what is the most reliable way to detect windows OS Architecture (x86,x64)

    - by NightsEvil
    hi i am using Virtual C# 2010 express and i need the most reliable way (on button click) and in .NET 2.0 framework to detect if windows is currently x86 or x64 in a message box.. up till now i have been using this code but i need to know if there is a more accurate way? string target = @"C:\Windows\SysWow64"; { if (Directory.Exists(target)) { MessageBox.Show("x64"); } else { MessageBox.Show("x86"); }

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  • Postsharp installer bug: .Net 2.0 not presented

    - by HeavyWave
    There is an issue with PostSharp 1.5 and 2.0 that won't let you install it on the Windows 7 machine with the error message ".NET Framework 2.0 is not present on this computer". To work around the issue you have to run the installer while being logged in with Administrator account. Not Admin group and not "run as Administrator", you have to be logged in with the Administrator account. Hope that helps, if someone has the same issue.

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  • Image upload not functioning correctly

    - by PurpleSmurf
    I'm still trying to get to grips with PHP, and I'm trying to make a form that uploads a picture to a database. I don't have permissions for move_uploaded_file so I'm using the copy() as an alternative. Everywhere I've seen experiencing similar problems have all been with move_uploaded_file so I'm rather stuck. Trying to copy the image from the desktop doesn't seem to be working, it's not throwing up any more PHP errors but is displaying the error message for if something goes wrong. The form sends data to two tables in the database but I'm mainly concerned with the upload not working. There's over 200 lines so I'll post a snippet of the upload code, thank you in advance: function getExtension($str) { $i = strrpos($str,"."); if (!$i) { return ""; } $l = strlen($str) - $i; $ext = substr($str,$i+1,$l); return $ext; } //This variable is used as a flag. The value is initialized with 0 (meaning no error found) and it will be changed to 1 if an errro occures. If the error occures the file will not be uploaded. $errors=0; //checks if the form has been submitted if(isset($_POST['submitted'])) { //reads the name of the file the user submitted for uploading $image=$_FILES['image']['name']; //if it is not empty if ($image) { //get the original name of the file from the clients machine $filename = stripslashes($_FILES['image']['name']); //get the extension of the file in a lower case format $extension = getExtension($filename); $extension = strtolower($extension); //if it is unknown extension, class as an error and do not upload the file, otherwise continue if (($extension != "jpg") && ($extension != "jpeg") && ($extension != "png") && ($extension != "gif")) { //print error message echo '<h1>Unknown extension!</h1>'; $errors=1; } else { //get the size of the image in bytes //$_FILES['image']['tmp_name'] is the temporary filename of the file in which the uploaded file was stored on the server $size=filesize($_FILES['image']['tmp_name']); //give an unique name, for example the time in unix time format $image_name=time().'.'.$extension; //the new name will be containing the full path where will be stored (images folder) $newname="/home/k0929907/www/uploads/".$image_name; //verify if the image has been uploaded, and print error instead $copied = copy($_FILES['image']['tmp_name'], $newname); if (!$copied) { echo '<h1>Copy unsuccessfull!</h1>'; $errors=1; } } } }

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