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How can I set the PHP version in PHPStorm?

Is it possible to set the PHP version value, say 4.0+ and have PHPStorm highlight functions that wouldn't work with the oldest version? For example, for PHP4 this should highlight static function etc. I have a PHP installation on my PC but I don't want to install an older PHP version for every sma...
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How to configure slf4j-simple

... thanks I set "org.slf4j.simpleLogger.defaultLogLevel" to "error" in System.properties, however slf4j still log INFO level messages. Any idea? BTW, where should I put simplelogger.properties? – Gelin Luo ...
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How to re-raise an exception in nested try/except blocks?

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
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How do I create a list of random numbers without duplicates?

...(insanelyLargeNumber, 10)). To fix that, I would go with this: answer = set() sampleSize = 10 answerSize = 0 while answerSize < sampleSize: r = random.randint(0,100) if r not in answer: answerSize += 1 answer.add(r) # answer now contains 10 unique, random integers fro...
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How do I determine k when using k-means clustering?

...X | C) - (p / 2) * log n where L(X | C) is the log-likelihood of the dataset X according to model C, p is the number of parameters in the model C, and n is the number of points in the dataset. See "X-means: extending K-means with efficient estimation of the number of clusters" by Dan Pelleg and An...
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How to pipe input to a Bash while loop and preserve variables after loop ends

...so provides the shopt builtin and one of its many options is: lastpipe If set, and job control is not active, the shell runs the last command of a pipeline not executed in the background in the current shell environment. Thus, using something like this in a script makes the modfied sum available a...
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How does lucene index documents?

...ts, the index can be traversed from one hit to another, making things like set and, particularly, range queries possible (much like B-Trees). And the Wikipedia entry on indexing Skip-Lists also explains why Lucene's Skip-List implementation is called a multi-level Skip-List - essentially, to make O(...
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How does Duff's device work?

...f the program for the first pass is: int count; // Set to 20 { int n = (count + 7) / 8; // n is now 3. (The "while" is going // to be run three times.) switch (count % 8) { // The remainder is 4 (20 modulo...
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How do I parse an ISO 8601-formatted date?

I need to parse RFC 3339 strings like "2008-09-03T20:56:35.450686Z" into Python's datetime type. 27 Answers ...
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Reference: mod_rewrite, URL rewriting and “pretty links” explained

...at matches the URL on the hard disk. If the document root of the server is set to, say, /var/www, it may look whether the file /var/www/foo/bar.html exists and serve it if so. If the file ends in ".php" it will invoke the PHP interpreter and then return the result. All this association is completely...