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How do I uniquely identify computers visiting my web site?

..., fingerprints changed quite rapidly, but even a simple heuristic was usually able to guess when a fingerprint was an “upgraded” version of a previously observed browser’s fingerprint, with 99.1% of guesses correct and a false positive rate of only 0.86%. We discuss what privacy thr...
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Program does not contain a static 'Main' method suitable for an entry point

Suddenly my whole project stopped compiling at all, showing the following message: 9 Answers ...
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Trim last character from a string

...ut this does not fulfill the definition of Trim method. Trim - Removes all occurrences of white space characters from the beginning and end of this instance. MSDN-Trim Under this definition removing only last character from string is bad solution. So if we want to "Trim last character ...
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What is the difference between bottom-up and top-down?

...-up approach (to dynamic programming) consists in first looking at the "smaller" subproblems, and then solve the larger subproblems using the solution to the smaller problems. ...
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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?

...n years after it was approved, it's about time people start using it! And all brands of SQL database now support it, so there's no reason to continue to use the nonstandard (+) Oracle syntax or *= Microsoft/Sybase syntax. As for why it's so hard to break the developer community of the SQL-89 habit...
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Unable to find valid certification path to requested target - error even after cert imported

...'own' take on keychains and what not. So it may be looking at something totally different. Short of truss-ing - I'd try: java -Djavax.net.debug=all -Djavax.net.ssl.trustStore=trustStore ... to see if that helps. Instead of 'all' one can also set it to 'ssl', key manager and trust manager - whic...
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Why are Subjects not recommended in .NET Reactive Extensions?

... Ok, If we ignore my dogmatic ways and ignore "subjects are good/bad" all together. Let us look at the problem space. I bet you either have 1 of 2 styles of system you need to ingrate to. The system raises an event or a call back when a message arrives You need to poll the system to see if t...
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What do 'statically linked' and 'dynamically linked' mean?

I often hear the terms 'statically linked' and 'dynamically linked', often in reference to code written in C , C++ or C# . What are they, what exactly are they talking about, and what are they linking? ...
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FontAwesome icons not showing. Why?

...ont-awesome/4.1.0/css/font-awesome.min.css" rel="stylesheet"> Specifically, the href= part. However, under your full html is this: <link src="http://maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css" rel="stylesheet"> Have you tried replacing src= with href= in your ...
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Which characters need to be escaped when using Bash?

...h but also bash. 1. Put the whole string in single quotes This works for all chars except single quote itself. To escape the single quote, close the quoting before it, insert the single quote, and re-open the quoting. 'I'\''m a s@fe $tring which ends in newline ' sed command: sed -e "s/'/'\\\\'...