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How can I divide two integers to get a double?
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31
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In Python script, how do I set PYTHONPATH?
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Why Func instead of Predicate?
...t; and Array<T>, in .net 2.0, the different Func and Action variants come from .net 3.5.
So those Func predicates are used mainly for consistency in the LINQ operators. As of .net 3.5, about using Func<T> and Action<T> the guideline states:
Do use the new LINQ types Func<&g...
How to check if a table exists in a given schema
Postgres 8.4 and greater databases contain common tables in public schema and company specific tables in company schema.
company schema names always start with 'company' and end with the company number.
So there may be schemas like:
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return query based on date
... equals), because this is often used for date-only queries, where the time component is 00:00:00.
If you really want to find a date that equals another date, the syntax would be
db.gpsdatas.find({"createdAt" : new ISODate("2012-01-12T20:15:31Z") });
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How to check whether a file or directory exists?
...ver. Explicitly returning an err as a second return value is an extremely common, idiomatic Go technique. See: golang.org/doc/effective_go.html#errors
– Chris Pfohl
Aug 13 '13 at 20:19
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In JavaScript, does it make a difference if I call a function with parentheses?
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