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How do you round a floating point number in Perl?
...ntf() or printf() is usually the easiest
route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other mathematical and trigonometric
functions.
use POSIX;
$ceil = ceil(3.5); ...
How to return an empty ActiveRecord relation?
... |
edited Nov 9 '16 at 2:25
Patrick Brinich-Langlois
1,2301414 silver badges2626 bronze badges
answer...
Convert data.frame column to a vector?
...
211
I'm going to attempt to explain this without making any mistakes, but I'm betting this will at...
USB Debugging option greyed out
I have an LG-E405 phone running Android 2.3.6.
15 Answers
15
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How to implement “select all” check box in HTML?
...
29 Answers
29
Active
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How to check if AlarmManager already has an alarm set?
...
325
Following up on the comment ron posted, here is the detailed solution. Let's say you have regi...
Auto-center map with multiple markers in Google Maps API v3
...arker({
position: new google.maps.LatLng(locations[i][1], locations[i][2]),
map: map
});
//extend the bounds to include each marker's position
bounds.extend(marker.position);
google.maps.event.addListener(marker, 'click', (function(marker, i) {
return function() {
infowin...
How to find a hash key containing a matching value
... I want to match the client_id? E.g. How to get the key for client_id == "2180" ?
10 Answers
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