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Most efficient T-SQL way to pad a varchar on the left to a certain length?
As compared to say:
19 Answers
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Rotating a point about another point (2D)
...e would perform it left-ward (anti-clockwise)? Or is anti-clockwise a more complicated operation (i.e. calculating the inverse angle and then rotating clockwise by that amount)? I've seen a ton of pages giving this same formula, but nobody ever seems to see fit to talk about directionality in relati...
C# Java HashMap equivalent
Coming from a Java world into a C# one is there a HashMap equivalent? If not what would you recommend?
7 Answers
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Get current stack trace in Ruby without raising an exception
...one supports a parameter to skip any number of callers; see: stackoverflow.com/a/3829269/520567
– akostadinov
Dec 2 '14 at 11:59
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How to use SSH to run a local shell script on a remote machine?
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@bradley.ayers remember to start the command with a 'space' to skip the history (P.S. you need to have HISTCONTROL=ignoreboth or ignorespace to make it work)
– derenio
Jun 23 '13 at 14:38
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Maximum MIMEType Length when storing type in DB
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@burzum, this one has 54 cars application/x-nokia-9000-communicator-add-on-software, the fact is not that a MIME type with 255 chars exists, it's only about the specification of the RFC 4288 that fixes the max length to 255 chars, so the question "how long" is answered in a unive...
How to create index on JSON field in Postgres?
...N);
CREATE INDEX ON publishers((info->>'name'));
As stated in the comments, the subtle difference here is ->> instead of ->. The former one returns the value as text, the latter as a JSON object.
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How can I make Array.Contains case-insensitive on a string array?
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array.Contains("str", StringComparer.OrdinalIgnoreCase);
Or depending on the specific circumstance, you might prefer:
array.Contains("str", StringComparer.CurrentCultureIgnoreCase);
array.Contains("str", StringComparer.InvariantCultureIgnoreCase);
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