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Can Android do peer-to-peer ad-hoc networking?
Is it possible to set up Android in ad-hoc peer-to-peer wifi mode? For example, I would like to have one phone broadcast a message, and have all peers in the network receive the broadcast, without having a server. I would like to use wifi since bluetooth range is more limited.
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The 'Access-Control-Allow-Origin' header contains multiple values
... As the client is hosted on a different domain as the server, I need CORS. It works for $http.post(url, data). But as soon as I authenticate the user and make a request via $http.get(url), I get the message
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nServiceBus vs Mass Transit vs Rhino Service Bus vs other?
...s, how to stop rolling back endlessly (poison messages), how to integrate with long-running workflows so that the state management boundaries line up, and more.
You will probably want some kind of durable/transactional messaging infrastructure, so not using MSMQ you'd be left with Service Broker on...
Compare two files line by line and generate the difference in another file
I want to compare file1 with file2 and generate a file3 which contains the lines in file1 which are not present in file2.
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How can I disable logging while running unit tests in Python Django?
I am using a simple unit test based test runner to test my Django application.
15 Answers
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Can we omit parentheses when creating an object using the “new” operator?
...nly, JavaScript simplifies the grammar by allowing the parenthesis to be omitted if there are no arguments in the function call. Here are some examples using the new operator:
o = new Object; // Optional parenthesis omitted here
d = new Date();
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Personally, I always use the parenthesis, eve...
MVC Vs n-tier architecture
I was wondering what exactly is the difference between MVC(which is an architectural pattern) and an n-tier architecture for an application. I searched for it but couldn't find a simple explanation. May be I am a bit naive on MVC concepts, so if anyone can explain the difference then it would be gre...
What is the difference between a .xib file and a .storyboard?
...velopment.
Pre-storyboard, each UIViewController had an associated .xib with it. Storyboard achieves two things:
.storyboard is essentially one single file for all your screens in the app and it shows the flow of the screens. You can add segues/transitions between screens, this way. So, this min...
How to find the extension of a file in C#?
... This allows someone to just rename any file *.flv and upload it. Depending on what your requirements are, you might want to check the MIME type as well.
– David Glenn
Dec 11 '09 at 9:44
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Disable Required validation attribute under certain circumstances
I was wondering if it is possible to disable the Required validation attribute in certain controller actions. I am wondering this because on one of my edit forms I do not require the user to enter values for fields that they have already specified previously. However I then implement logic that when...