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Converting RGB to grayscale/intensity

...mation Visualization", isbn 1-55860-819-2; this long link to Ware in books.google.com may or may not work cambridgeincolor : excellent, well-written "tutorials on how to acquire, interpret and process digital photographs using a visually-oriented approach that emphasizes concept over procedure" Sh...
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Server polling with AngularJS

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Is it possible to set a number to NaN or infinity?

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How to save traceback / sys.exc_info() values in a variable?

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What is the difference between Serializable and Externalizable in Java?

... Not according to these benchmarks: [code.google.com/p/thrift-protobuf-compare/wiki/Benchmarking], manual serialization (using externizable) is much, much faster than using java's default serialization. If speed matters for your work, definitely write your own serial...
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How to make JavaScript execute after page load?

...ering of JS I wrote this based on defered loading of javascript pagespeed google concept and also sourced from this article Defer loading javascript
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Under what conditions is a JSESSIONID created?

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An async/await example that causes a deadlock

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ExecuteReader requires an open and available Connection. The connection's current state is Connectin

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How do you usually Tag log entries? (android)

...ame();". I've always thought "TAG" was just a placeholder in examples from Google etc... not an actual Static variable! This is a much better solution thanks :) – wired00 May 1 '13 at 3:46 ...