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Entity Framework 4 Single() vs First() vs FirstOrDefault()
... query does not return zero or one items.
First() - when you expect one or more items to be returned by a query but you only want to access the first item in your code (ordering could be important in the query here). This will throw an exception if the query does not return at least one item.
FirstO...
Can a CSS class inherit one or more other classes?
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Check if a variable is of function type
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Sure underscore's way is more efficient, but the best way to check, when efficiency isn't an issue, is written on underscore's page linked by @Paul Rosania.
Inspired by underscore, the final isFunction function is as follows:
function isFunction(fu...
Would it be beneficial to begin using instancetype instead of id?
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SQL select only rows with max value on a column [duplicate]
...our point, this is why I called it group_identifier, which could be one or more columns. In your case, group_identifier is the combination of name and age
– Adriano Carneiro
Dec 12 '12 at 16:50
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Should I use SVN or Git? [closed]
...ithout having to push things to an external server.
SVN is designed to be more central where Git is based on each user having their own Git repo and those repos push changes back up into a central one. For that reason, Git gives individuals better local version control.
Meanwhile you have the cho...
Difference Between Cohesion and Coupling
...l be an example. Feel free to Answer or Comment any examples you feel are more helpful. The set & get functions illustrate functionality that is more specific to the "Staff" context - the higher specificity give that example its higher cohesion.
– cellepo
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When should you NOT use a Rules Engine? [closed]
... a way to share a common rule set among many objects.
I prefer a simpler, more data driven approach wherever possible.
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How to read a file line-by-line into a list?
... close it), this is not really one of those cases - when the object has no more references to it it will be garbage collected and the file closed, which should happen immediately on error or not, when the list comprehension is done processing.
– Aaron Hall♦
M...
How do I limit the number of rows returned by an Oracle query after ordering?
.... It does not use familiar LIMIT syntax, but it can do the job better with more options. You can find the full syntax here. (Also read more on how this works internally in Oracle in this answer).
To answer the original question, here's the query:
SELECT *
FROM sometable
ORDER BY name
OFFSET 20 RO...