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MySQL stored procedure vs function, which would I use when?
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105
You can't mix in stored procedures with ordinary SQL, whilst with stored function you can.
e....
Check if array is empty or null
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171
As long as your selector is actually working, I see nothing wrong with your code that checks t...
How do you perform a CROSS JOIN with LINQ to SQL?
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152
A cross-join is simply the Cartesian product of two sets. There's no explicit join operator fo...
Does MySQL ignore null values on unique constraints?
...ws multiple NULLs in a column with a unique constraint.
CREATE TABLE table1 (x INT NULL UNIQUE);
INSERT table1 VALUES (1);
INSERT table1 VALUES (1); -- Duplicate entry '1' for key 'x'
INSERT table1 VALUES (NULL);
INSERT table1 VALUES (NULL);
SELECT * FROM table1;
Result:
x
NULL
NULL
1
This i...
Vim Insert Mode on Mac OS X
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213
If this is as simple a question as it seems, you merely press i.
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Git search for string in a single file's history
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answered Apr 18 '12 at 18:55
ralphtheninjaralphtheninja
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Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
... implicitly convertible to a pointer to the function. This is why void (*p1_foo)() = foo; works: foo is implicitly converted into a pointer to itself and that pointer is assigned to p1_foo.
The unary &, when applied to a function, yields a pointer to the function, just like it yields the addr...
How to commit changes to a new branch
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edited Jun 8 '16 at 14:23
shadi
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answ...
Are negative array indexes allowed in C?
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170
That is correct. From C99 §6.5.2.1/2:
The definition of the subscript
operator [] is ...
What arguments are passed into AsyncTask?
... and where exactly will it go? Do I need to include all 3 or can I include 1,2,20?
5 Answers
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