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How can I use Spring Security without sessions?

I am building a web application with Spring Security that will live on Amazon EC2 and use Amazon's Elastic Load Balancers. Unfortunately, ELB does not support sticky sessions, so I need to ensure my application works properly without sessions. ...
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How exactly do Django content types work?

...en models. Blah blah, let's dive into some code and see what I mean. # ourapp.models from django.conf import settings from django.db import models # Assign the User model in case it has been "swapped" User = settings.AUTH_USER_MODEL # Create your models here class Post(models.Model): author = m...
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What's the difference between Unicode and UTF-8? [duplicate]

... encoding support to provide a range of encodings will automatically and inappropriately describe UTF-16LE as “Unicode”, and UTF-16BE, if provided, as “Unicode big-endian”. (Other editors that do encodings themselves, like Notepad++, don't have this problem.) If it makes you feel any bette...
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Provide an image for WhatsApp link sharing

How can we include an image in our website to display in WhatsApp when we share a link like this? 19 Answers ...
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Android Respond To URL in Intent

...oesnt work for me. Can you please give an example-Link that would open the Application. – Pascal Klein Apr 1 '11 at 14:39 7 ...
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Xcode 'Build and Archive' menu item disabled

... Why? Because Apple almost only does user experience testing for non-developers, clearly. – Luke Stanley Jan 22 '13 at 17:10 ...
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Getting Started with Windows Phone 7 [closed]

...k to developers (like the guy who made Evernote) about how they made their apps. share | improve this answer | follow | ...
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Locate Git installation folder on Mac OS X

...then installed the Command Line Tools for XCode (not the full XCode4) from Apple which installed 1.7. Placing /usr/local/git/bin in the front of my path got me using 1.8 again. Thanks! – emkman Jan 5 '13 at 7:10 ...
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How to programmatically turn off WiFi on Android device? [duplicate]

... after pressing the "Turn off the Screen" button. There is a need for this app for my tablet because sometimes I just forget to turn off the WiFi and this discharges the battery very fast. It lives 10x+ times less than I would without WiFi. Is there any solution available as .apk? Can I track when ...
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Run single test from a JUnit class using command-line

I am trying to find an approach that will allow me to run a single test from a JUnit class using only command-line and java. ...