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What does '
...'s a shorthand for <?php echo $a; ?>.
It's enabled by default since 5.4 regardless of php.ini settings.
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Bitwise operation and usage
...ample is if you only want the lower 4 bits of an integer, you AND it with 15 (binary 1111) so:
201: 1100 1001
AND 15: 0000 1111
------------------
IS 9 0000 1001
The zero bits in 15 in that case effectively act as a filter, forcing the bits in the result to be zero as well.
In addition,...
Linq to Entities - SQL “IN” clause
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356
You need to turn it on its head in terms of the way you're thinking about it. Instead of doing...
How do I remove a property from a JavaScript object?
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edited Oct 9 '17 at 16:55
Jonathan
1,73511 gold badge1414 silver badges3131 bronze badges
answered Oc...
Working with time DURATION, not time of day
...imply 1.0 equals 1 full day (starting on 1/1/1900). So 36 hours would be 1.5. If you change the format to [h]:mm, you'll see 36:00.
Therefore, if you want to work with durations, you can simply use subtraction, e.g.
A1: Start: 36:00 (=1.5)
A2: End: 60:00 (=2.5)
A3: Duration:...
How to properly document S4 class slots using Roxygen2?
...
Updated answer for Roxygen2 5.0.1, current as of 6.0.1
For S4, the best practice now is documenting using the @slot tag:
#' The title for my S4 class that extends \code{"character"} class.
#'
#' Some details about this class and my plans for it in the...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...ll it from there. Switch your listen to this:
.listen(process.env.PORT || 5000)
That way it'll still listen to port 5000 when you test locally, but it will also work on Heroku.
You can check out the Heroku docs on Node.js here.
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How to center a “position: absolute” element
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edited Apr 23 at 19:15
Lucio
3,01233 gold badges3535 silver badges6666 bronze badges
answered Aug 2...
Running multiple AsyncTasks at the same time — not possible?
I'm trying to run two AsyncTasks at the same time. (Platform is Android 1.5, HTC Hero.)
However, only the first gets executed. Here's a simple snippet to describe my problem:
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Are there legitimate uses for JavaScript's “with” statement?
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524
Another use occurred to me today, so I searched the web excitedly and found an existing mentio...