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Decimal number regular expression, where digit after decimal is optional
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15 Answers
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Why doesn't print work in a lambda?
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188
A lambda's body has to be a single expression. In Python 2.x, print is a statement. However, i...
Resolve absolute path from relative path and/or file name
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14 Answers
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How to find a table having a specific column in postgresql
I'm using PostgreSQL 9.1. I have the column name of a table. Is it possible to find the table(s) that has/have this column? If so, how?
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Accessing last x characters of a string in Bash
...s the positional parameters are used, in which case the indexing
starts at 1 by default. If offset is 0, and the positional parameters are used,
$@ is prefixed to the list.
Since this answer gets a few regular views, let me add a possibility to address John Rix's comment; as he mentions, if your...
Example for sync.WaitGroup correct?
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154
Yes, this example is correct. It is important that the wg.Add() happens before the go statemen...
I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?
I'm starting with a date 2010-05-01 and ending with 2010-05-10 . How can I iterate through all of those dates in PHP?
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Postgres unique constraint vs index
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136
I had some doubts about this basic but important issue, so I decided to learn by example.
Let...