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Notification click: activity already open
I have an application with notifications that open a certain activity if I click them. I want that, if I click the notification and the activity is already opened, it's not started again, but just brought to front.
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How to expire session due to inactivity in Django?
Our Django application has the following session management requirements.
6 Answers
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How to debug Ruby scripts [closed]
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For a new Ruby/Rails application, Pry is the correct answer. But I spent over an hour trying to find an ancient version of Pry to run on a Rails 2.2 app with a specific version of facets in the gem requirements, and was unsuccessful. For ancien...
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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Drawing a line/path on Google Maps
...om the 2 newest positions in the ArrayList. My problem is, the lines don't appear on the map unless I interact with the map, for example if I touch the screen and move to pan the map then about the last 10 seconds of line drawing will appear, any ideas why it isn't live drawing while I move around o...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...uations where the quality of your randomness can affect the security of an application. In particular, rand() and uniqid() are not cryptographically secure random number generators. See Scott's answer for a secure alternative.
If you do not need it to be absolutely unique over time:
md5(uniqid(ra...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
Is it possible to create a web app that, with the help of a central server, could create direct connections with other users of the same web app? I'm imagining a process similar to UDP hole punching.
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Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul
...our string comparison to behave the same way, no matter what computer your application is installed on.
To achieve this we have 3 options:
Set the culture explicitly and perform a case insensitive compare using unicode equivalence rules.
Set the culture to the Invariant Culture and perform case ins...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
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Adding an enum class does of course mean that your app contains an extra class, so it's not free, but we have to assume that a developer is only adding enums where they're useful. The only really bad use I've seen of enums was in some harmony code where they really wanted int...
What's the fastest way to loop through an array in JavaScript?
...our code
i++
}
I would say, this is definitely a case where I applaud JavaScript engine developers. A runtime should be optimized for clarity, not cleverness.
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