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Sticky sidebar: stick to bottom when scrolling down, top when scrolling up
I have been looking for some time now for a solution to my sticky sidebar problem. I have a specific idea of how I would like it to act; effectively, I would like it to stick to the bottom as you scroll down, and then as soon as you scroll back up I would like it to stick to the top, in a fluid moti...
Java Generics (Wildcards)
I have a couple of questions about generic wildcards in Java:
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“PKIX path building failed” and “unable to find valid certification path to requested target”
...un I got an error about certificate sun.security.validator.ValidatorException and sun.security.provider.certpath.SunCertPathBuilderException . Then I added twitter certificate by:
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
Say I have a function:
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Is there a way to detect if a browser window is not currently active?
I have JavaScript that is doing activity periodically. When the user is not looking at the site (i.e., the window or tab does not have focus), it'd be nice to not run.
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Why is there no SortedList in Java?
...he SortedSet and SortedMap interfaces. Both belong to the Java Collections framework and provide a sorted way to access the elements.
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Best way to compare two complex objects
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Implement IEquatable<T> (typically in conjunction with overriding the inherited Object.Equals and Object.GetHashCode methods) on all your custom types. In the case of composite types, invoke the contained types’ Equals method within the containing types. For contained ...
How can I use redis with Django?
...AM cache. It supports basic GET and SET of keys plus the storing of collections such as dictionaries. You can cache RDBMS queries by storing their output in Redis. The goal would be to speed up your Django site. Don't start using Redis or any other cache until you need the speed - don't prematurely ...
When to use dynamic vs. static libraries
...he size of the code in your binary. They're always loaded and whatever version of the code you compiled with is the version of the code that will run.
Dynamic libraries are stored and versioned separately. It's possible for a version of the dynamic library to be loaded that wasn't the original one ...
What is the difference between Amazon SNS and Amazon SQS?
...coupling SNS with SQS. You may not want an external service to make connections to your hosts (firewall may block all incoming connections to your host from outside). Your end point may just die because of heavy volume of messages. Email and SMS maybe not your choice of processing messages quickly. ...