storage

I am new to the document storage space. I am not sure what i am doing yet, but before i begin i wanted to know about the possible security threats one has when one allows document uploads and what is the best way to sanitize the data? I am using PHP and will allow images, word docs, pdfs, excel docs, etc. And is this a good solution: http://blog.insicdesigns.com/2009/01/secure-file-upload-in-php-web-applications/ There are two really obvious ones: If improperly done, a file uploader could allow the user to overwrite other people's files -- including the PHP that runs the site . Make sure

I am currently working on an iOS application that I allow the user to add images from their photo library into the application. I store these images on the devices file system, and access them when I need them (when they are in a UIScrollView, I could access them quite often) I just wanted to get some opinions on this approach. Should I stay with the file system method, or would it be beneficial to store these I images in CoreData instead. Any suggestions on this would be greatly appreciated. Thanks. I don't think Core Data was really designed for storing this type of data. Doing so would be

In my Android application I'm trying to store a Map structure such as: Map<String, Map<String, String>> using internal storage. I've looked into using SharedPreferences , but as you know, this only works when storing primitive data types. I tried to use FileOutputStream , but it only lets me write in bytes...Would I need to somehow serialize the Hashmap and then write to file? I've tried reading through http://developer.android.com/guide/topics/data/data-storage.html#filesInternal but I can't seem to find my solution. Here's an example of what I'm trying to do: private void

I made a small Android app and have been using it for a while now. I noticed that, in the settings, on the "data" line of my app's characteristics (I am not interested in analysing the amount shown on the "application" line nor on the "cache" line), it shows about 20 MB, which seemed a lot to me. I am afraid the app has storage leaks (i.e. that it produces data that is never erased). I decided to investigate and measure what might take that much space. I use pretty much all the available storage options for this app: SQLite DB, internal files, external files, shared preferences (and cache

I have an AppEngine application that currently has about 15GB of data, and it seems to me that it is impractical to use the current AppEngine bulk loader tools to back up datasets of this size. Therefore, I am starting to investigate other ways of backing up, and would be interested in hearing about practical solutions that people may have used for backing up their AppEngine Data. As an aside, I am starting to think that the Google Cloud Storage might be a good choice. I am curious to know if anyone has experience using the Google Cloud Storage as a backup for their AppEngine data, and what

I am working in PHP on a Linux server with MySQL. I have a requirement (that I have attempted to talk them out of) to collect credit card information from users so that our company can use the card numbers to hold hotel rooms for a conference. We will not be charging the cards ourselves at all, but instead just sending them to the hotel. I then need to be able to download a CSV file and each time someone signs up an email to go to the admin with all the information. I tried to explain that this wasn't secure, but several other developers have done this for them in the past before I was working