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Is it a good idea to index datetime field in mysql?
... elimination of rows between conditions: http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
This makes your datetime column an excellent candidate for an index if you are going to be using it in conditions frequently in queries. If your only condition is BETWEEN NOW() AND DATE_ADD(NOW(), IN...
Adding rounded corner and drop shadow to UICollectionViewCell
...'s layer to achieve both results.
cell.contentView.layer.cornerRadius = 2.0f;
cell.contentView.layer.borderWidth = 1.0f;
cell.contentView.layer.borderColor = [UIColor clearColor].CGColor;
cell.contentView.layer.masksToBounds = YES;
cell.layer.shadowColor = [UIColor blackColor].CGColor;
cell.layer....
How do you remove the root CA certificate that fiddler installs
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edited Sep 2 at 8:05
Martijn Pieters♦
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Rounding DateTime objects
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130
Floor
long ticks = date.Ticks / span.Ticks;
return new DateTime( ticks * span.Ticks );
Round...
TypeError: Cannot read property 'then' of undefined
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edited Apr 12 '18 at 13:00
Saravanan Sachi
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ans...
How do you discover model attributes in Rails?
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answered Aug 18 '09 at 1:48
pengerpenger
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Cookies on localhost with explicit domain
...or PHP, see comments on http://php.net/manual/en/function.setcookie.php#73107.
If working with the Java Servlet API, don't call the cookie.setDomain("...") method at all.
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codestyle; put javadoc before or after annotation?
... edited Sep 27 '13 at 4:37
n00begon
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answered Jun 24 '10 at 12:37
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Entity framework code-first null foreign key
...l do?
– Shawn Mclean
Apr 14 '11 at 20:11
34
Virtual is necessary for lazy loading.
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@Basic(optional = false) vs @Column(nullable = false) in JPA
...ipseLink Architecture Committee Member, TopLink Core Technical Lead, JPA 2.0 Expert Group Member) wrote a good answer on this topic so instead of paraphrasing him, I'll quote his answer:
The difference between optional and
nullable is the scope at which they
are evaluated. The definition of
...