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SQL Server: Difference between PARTITION BY and GROUP BY
...ecords and group the results by one or more
columns.
In more simple words GROUP BY statement is used in conjunction with
the aggregate functions to group the result-set by one or more
columns.
Syntax:
SELECT expression1, expression2, ... expression_n,
aggregate_function (aggre...
Why are hexadecimal numbers prefixed with 0x?
...ls the parser it's dealing with a constant (and not an identifier/reserved word). Something is still needed to specify the number base: the x is an arbitrary choice.
Long story: In the 60's, the prevalent programming number systems were decimal and octal — mainframes had 12, 24 or 36 bits per byt...
jQuery ID starts with
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A word of warning: this selector doesn't work if the 'value' is an HTML element, as I found out the hard way when my IDs for list items all started with 'li'. The solution was to start them with 'li_'
– Ti...
Not equal != operator on NULL
...WHERE MyColumn != NULL or WHERE MyColumn = NULL deterministic? Or in other words, is it guaranteed to always return 0 rows, no matter if MyColumn is nullable in the database or not?
– Slauma
Dec 7 '11 at 15:20
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Accessing inactive union member and undefined behavior?
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The wording 4.1 is completely and utterly broken and has since been rewritten. It disallowed all sorts of perfectly valid things: it disallowed custom memcpy implementations (accessing objects using unsigned char lvalues), it dis...
How to add color to Github's README.md file
... can find a full list of supported languages (as well as their markdown keywords) over in the Linguist's YAML file.
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Maven2: Missing artifact but jars are in place
....jar>central=
jdom-1.1.pom>central=
I simply removed the "central" word from the file:
#NOTE: This is an internal implementation file, its format can be changed without prior notice.
#Wed Feb 13 17:12:29 SGT 2013
jdom-1.1.jar>=
jdom-1.1.pom>=
and run Maven > Update Project from e...
Can I browse other people's (Apple) bug reports? [closed]
... reports and requests for enhancement to deal with. But don't just take my word for it: this question has been viewed 10519 times at the time of this post. Most of those people have probably submitted Apple bug reports (or they wouldn't be reading this). Then consider all of the people who didn't bo...
Is there a CSS selector for elements containing certain text?
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but the word female itself also contains the word 'male' no? is it working just 'cos male is first? Bug waiting to happen if they are re-ordered?
– Michael Durrant
Mar 26 '16 at 22:56
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Difference between List, List, List, List, and List
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@ColinD it was he meant why did you repeat his words? yes it was written with a little different words, but the meaning is the same...
– user25
Mar 17 '18 at 9:36
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