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How do I convert an interval into a number of hours with postgres?
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Probably the easiest way is:
SELECT EXTRACT(epoch FROM my_interval)/3600
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Check whether a string matches a regex in JS
... regex.test() if all you want is a boolean result:
console.log(/^([a-z0-9]{5,})$/.test('abc1')); // false
console.log(/^([a-z0-9]{5,})$/.test('abc12')); // true
console.log(/^([a-z0-9]{5,})$/.test('abc123')); // true
...and you could remove the () from your regexp since you've no n...
Declaring variables inside loops, good practice or bad practice?
...ly includes the loop counter itself.
{
int i, retainValue;
for (i=0; i<N; i++)
{
int tmpValue;
/* tmpValue is uninitialized */
/* retainValue still has its previous value from previous loop */
/* Do some stuff here */
}
/* Here, retainValue is sti...
Insert ellipsis (…) into HTML tag if content too wide
...line {
white-space: normal;
}
<div class="ellipsis" style="width: 100px; border: 1px solid black;">Lorem ipsum dolor sit amet, consectetur adipisicing elit</div>
<div class="ellipsis multiline" style="width: 100px; height: 40px; border: 1px solid black; margin-bottom: 100px">L...
SQL Server: Maximum character length of object names
...m character length of object name (e.g. constraint, column) in SQL Server 2008?
3 Answers
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How to set proxy for wget?
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430
For all users of the system via the /etc/wgetrc or for the user only with the ~/.wgetrc file:
u...
How can I update my ADT in Eclipse?
... name.
It will list the updates available- which should ideally be adt 20.xx
Eclipse will restart and hopefully everything should work fine for you.
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How do I horizontally center a span element inside a div
...fff;
display: inline-block;
/* float:left; remove */
margin: 10px 10px 0 0;
padding: 5px 10px
}
http://jsfiddle.net/Adrift/cePe3/
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Enums and Constants. Which to use when?
...rom here as I'm lazy)
[FlagsAttribute]
enum DistributedChannel
{
None = 0,
Transacted = 1,
Queued = 2,
Encrypted = 4,
Persisted = 16,
FaultTolerant = Transacted | Queued | Persisted
}
Constants should be for a single value, like PI. There isn't a range of PI values, there is just PI.
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Replace only text inside a div using jquery
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edited Oct 29 '14 at 20:50
cuSK
7701010 silver badges2323 bronze badges
answered Aug 8 '12 at 14:56
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