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How to calculate the difference between two dates using PHP?
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SQL - many-to-many table primary key
...e no real advantage to having a surrogate key. Having a primary key on (col1,col2) is guaranteed unique (assuming your col1 and col2 values in the referenced tables are unique) and a separate index on (col2,col1) will catch those cases where the opposite order would execute faster. The surrogate is ...
Generate random numbers using C++11 random library
...m trying to figure out a way of generating random numbers using the new C++11 <random> library. I have tried it with this code:
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VIM ctrlp.vim plugin: how to rescan files?
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edited Apr 30 '16 at 8:21
mahemoff
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optional parameters in SQL Server stored proc?
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You can declare like this
CREATE PROCEDURE MyProcName
@Parameter1 INT = 1,
@Parameter2 VARCHAR (100) = 'StringValue',
@Parameter3 VARCHAR (100) = NULL
AS
/* check for the NULL / default value (indicating nothing was passed */
if (@Parameter3 IS NULL)
BEGIN
/* whatever code yo...
MySQL remove all whitespaces from the entire column
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edited Jun 9 '18 at 9:08
Bibek Lekhak
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answered Sep 6 '11 a...
Omitting one Setter/Getter in Lombok
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answered Nov 3 '11 at 11:29
Michael PiefelMichael Piefel
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Adding Http Headers to HttpClient
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edited Nov 7 '19 at 10:17
Massimiliano Kraus
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