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how to convert a string to date in mysql?
I have a string column which acts as a date and I want to select it as a date .
5 Answers
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Static constant string (class member)
... requirement for using a STL string, you might as well just define a const char*. (less overhead)
– KSchmidt
Oct 14 '09 at 2:23
51
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How to make a valid Windows filename from an arbitrary string?
...g like "Foo: Bar" that I want to use as a filename, but on Windows the ":" char isn't allowed in a filename.
14 Answers
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How to convert char to int?
What is the proper way to convert a char to int ?
This gives 49 :
11 Answers
11
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Why does string::compare return an int?
...tring::compare return an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1.
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How to convert ASCII code (0-255) to its corresponding character?
... code (which is an integer from [0, 255] range) to its corresponding ASCII character?
11 Answers
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How to ALTER multiple columns at once in SQL Server
...same character in multiple fields (such as removing \t from all columns).
SELECT
TABLE_CATALOG
,TABLE_SCHEMA
,TABLE_NAME
,COLUMN_NAME
,'ALTER TABLE ['+TABLE_SCHEMA+'].['+TABLE_NAME+'] ALTER COLUMN ['+COLUMN_NAME+'] VARCHAR(300)' as 'code'
FROM INFORMATION_SCHEMA.COLUMNS
WHERE T...
How to read the content of a file to a string in C?
... to interpret it) to open a file in C and read its contents into a string (char*, char[], whatever)?
11 Answers
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Can I call a constructor from another constructor (do constructor chaining) in C++?
...).
The syntax is slightly different from C#:
class Foo {
public:
Foo(char x, int y) {}
Foo(int y) : Foo('a', y) {}
};
C++03: No
Unfortunately, there's no way to do this in C++03, but there are two ways of simulating this:
You can combine two (or more) constructors via default parameters...
Throw an error in a MySQL trigger
... trigger_test values (1), (-1), (2); -- everything fails as one row is bad
select * from trigger_test;
insert into trigger_test values (1); -- succeeds as expected
insert into trigger_test values (-1); -- fails as expected
select * from trigger_test;
...