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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
>> [...
Programmatic equivalent of default(Type)
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edited Nov 23 '17 at 10:32
Neville Nazerane
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Git is ignoring files that aren't in gitignore
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201
git check-ignore
Use git check-ignore command to debug your gitignore file (exclude files).
Fo...
Eclipse hangs at the Android SDK Content Loader
I've been working with Eclipse 4.2 (Juno release 20120920-0800) on OS X 10.8.2 for a few weeks now, building apps for Android 3.0 and above. I have a quad core i7 MacBook Pro with an SSD, so performance is not an issue. Everything was fine.
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How to get record created today by rails activerecord?
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221
Post.where(created_at: Time.zone.now.beginning_of_day..Time.zone.now.end_of_day)
PS: This an...
How to alter a column and change the default value?
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279
ALTER TABLE foobar_data MODIFY COLUMN col VARCHAR(255) NOT NULL DEFAULT '{}';
A second possi...
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...
Equivalent of strace -feopen < command > on mac os X
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edited May 2 '17 at 15:47
answered Dec 18 '09 at 3:37
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Equals(=) vs. LIKE
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283
Different Operators
LIKE and = are different operators. Most answers here focus on the wildca...
SQLite string contains other string query
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2 Answers
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