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Difference between os.getenv and os.environ.get
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One difference observed (Python27):
os.environ raises an exception if the environmental variable does not exist.
os.getenv does not raise an exception, but returns None
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Using “like” wildcard in prepared statement
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282
You need to set it in the value itself, not in the prepared statement SQL string.
So, this s...
how to detect search engine bots with php?
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edited Mar 24 '09 at 13:57
answered Mar 24 '09 at 13:37
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Understanding MongoDB BSON Document size limit
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126
First off, this actually is being raised in the next version to 8MB or 16MB ... but I think to ...
Set UILabel line spacing
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Edit: Evidently NSAttributedString will do it, on iOS 6 and later. Instead of using an NSString...
Generating a UUID in Postgres for Insert statement?
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edited Jan 27 '17 at 11:35
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npm can't find package.json
I'm trying to install the dependencies of some example: npm's express 2.5.8 that I've downloaded, but all of the apps throw the same error:
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iOS: Compare two dates
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210
According to Apple documentation of NSDate compare:
Returns an NSComparisonResult value th...
How do I write a correct micro-benchmark in Java?
...reputable paper on JVMs and micro-benchmarking. A good one is Brian Goetz, 2005. Do not expect too much from micro-benchmarks; they measure only a limited range of JVM performance characteristics.
Rule 1: Always include a warmup phase which runs your test kernel all the way through, enough to trigg...
Difference between res.send and res.json in Express.js
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The methods are identical when an object or array is passed, but res.json() will also convert ...