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How to save a PNG image server-side, from a base64 data string
...plode(';', $data);
list(, $data) = explode(',', $data);
$data = base64_decode($data);
file_put_contents('/tmp/image.png', $data);
And as a one-liner:
$data = base64_decode(preg_replace('#^data:image/\w+;base64,#i', '', $data));
An efficient method for extracting, decoding, and checking for e...
Comparing two collections for equality irrespective of the order of items in them
...ad the following long debate in the topic , stackoverflow.com/questions/371328/… If you change object hashcode , while its in a hashset it will interrupt with the hashset proper action and might cause an exception . The rule is as following : If two objects are equals - they must have same hash c...
Which kind of pointer do I use when?
...
XeoXeo
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1
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Transpose a data frame
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Best way to find the intersection of multiple sets?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Calculate distance between 2 GPS coordinates
...y solution:
#include <math.h>
#include "haversine.h"
#define d2r (M_PI / 180.0)
//calculate haversine distance for linear distance
double haversine_km(double lat1, double long1, double lat2, double long2)
{
double dlong = (long2 - long1) * d2r;
double dlat = (lat2 - lat1) * d2r;
...
Android: Temporarily disable orientation changes in an Activity
...is in his self-answer, calling
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR);
and then
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR);
really works like charm... on real devices !
Don't think that it's broken when testing on the emulator, the ctrl+F11 shor...
How to retrieve GET parameters from javascript? [duplicate]
... .split('&')
.reduce(function _reduce (/*Object*/ a, /*String*/ b) {
b = b.split('=');
a[b[0]] = decodeURIComponent(b[1]);
return a;
}, {});
...
Can I pass an array as arguments to a method with variable arguments in Java?
...
answered May 28 '10 at 4:32
polygenelubricantspolygenelubricants
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...
Rails auto-assigning id that already exists
...y OP edit
– D-Nice
Jun 17 '12 at 21:32
I don't understand why this happened to begin with? This has happened to me and...