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Rails migration: t.references with alternative name?
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168
You can do this all in the initial migration/column definition (at least currently in Rails 5)...
Best practices for circular shift (rotate) operations in C++
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16 Answers
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How do I find the next commit in git? (child/children of ref)
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14 Answers
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How to make an element in XML schema optional?
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191
Try this
<xs:element name="description" type="xs:string" minOccurs="0" maxOccurs="1" />...
How is the fork/join framework better than a thread pool?
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11 Answers
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
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14 Answers
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How do you test that a Python function throws an exception?
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13 Answers
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Append TimeStamp to a File Name
...following custom format specifiers y (year), M (month), d
(day), h (hour 12), H (hour 24), m (minute), s (second), f (second
fraction), F (second fraction, trailing zeroes are trimmed), t (P.M or
A.M) and z (time zone).
With Extension Method
Usage:
string result = "myfile.txt".AppendTimeS...
MySQL join with where clause
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291
You need to put it in the join clause, not the where:
SELECT *
FROM categories
LEFT JOIN user_c...