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PDO get the last ID inserted
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edited Feb 1 '17 at 8:06
Your Common Sense
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Reference: Comparing PHP's print and echo
...e should one wish to use print in a conditional expression. Why 1 and not 100? Well in PHP the truthiness of 1 or 100 is the same, i.e. true, whereas 0 in a boolean context equates as a false value. In PHP all non-zero values (positive and negative) are truthy values and this derives from PHP's Per...
Where are an UIWebView's cookies stored?
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answered Apr 21 '09 at 8:08
Alex ReynoldsAlex Reynolds
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Pragma in define macro
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If you're using c99 or c++0x there is the pragma operator, used as
_Pragma("argument")
which is equivalent to
#pragma argument
except it can be used in macros (see section 6.10.9 of the c99 standard, or 16.9 of the c++0x final committee draft)
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Rails params explained?
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edited May 11 '17 at 0:15
answered Jul 30 '11 at 21:30
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How to change MySQL column definition?
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e.g.
ALTER TABLE test MODIFY COLUMN locationExpect VARCHAR(120);
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Cause CMAKE to generate an error
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edited Oct 5 '19 at 13:04
squareskittles
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C++: variable 'std::ifstream ifs' has initializer but incomplete type
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107
This seems to be answered - #include <fstream>.
The message means :-
incomplete type - ...
MySQL Select minimum/maximum among two (or more) given values
... use LEAST and GREATEST function to achieve it.
SELECT
GREATEST(A.date0, B.date0) AS date0,
LEAST(A.date1, B.date1) AS date1
FROM A, B
WHERE B.x = A.x
Both are described here http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html
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Why not abstract fields?
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105
You can do what you described by having a final field in your abstract class that is initialise...