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Check for array not empty: any?
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251
any? isn't the same as not empty? in some cases.
>> [nil, 1].any?
=> true
>> [...
What is the alternative for ~ (user's home directory) on Windows command prompt?
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342
You're going to be disappointed: %userprofile%
You can use other terminals, though. Powershell,...
Heroku Postgres - terminate hung query (idle in transaction)
...s likely to be the query you'd like to terminate. I'll assume the pid is 1234 below.
You may cancel a query through SQL (i.e. without shell access) as long as it's yours or you have super user access:
select pg_cancel_backend(1234);
That's a "friendly" request to cancel the 1234-query, and with...
Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
...iro Matsumoto) explains it in an old thread:
Hi,
In message "[ruby-talk:02706] X++?"
on 00/05/10, Aleksi Niemelä <aleksi.niemela@cinnober.com> writes:
|I got an idea from http://www.pragprog.com:8080/rubyfaq/rubyfaq-5.html#ss5.3
|and thought to try. I didn't manage to make "auto(in|de)...
“simple” vs “current” push.default in git for decentralized workflow
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Equals(=) vs. LIKE
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Different Operators
LIKE and = are different operators. Most answers here focus on the wildca...
What's so wrong about using GC.Collect()?
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20 Answers
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Find out who is locking a file on a network share
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answered Oct 12 '09 at 11:38
Dirk PaesslerDirk Paessler
2,65844 gold badges1818 silver badges1616 bronze badges
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python re.sub group: number after \number
How can I replace foobar with foo123bar ?
1 Answer
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