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How to draw polygons on an HTML5 canvas?
...lineTo (live demo):
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#f00';
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(100,50);
ctx.lineTo(50, 100);
ctx.lineTo(0, 90);
ctx.closePath();
ctx.fill();
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Counting inversions in an array
...on in java.
long merge(int[] arr, int[] left, int[] right) {
int i = 0, j = 0, count = 0;
while (i < left.length || j < right.length) {
if (i == left.length) {
arr[i+j] = right[j];
j++;
} else if (j == right.length) {
arr[i+j] = lef...
How do I get logs/details of ansible-playbook module executions?
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answered Sep 15 '13 at 0:23
Lorin HochsteinLorin Hochstein
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Algorithm to detect corners of paper sheet in photo
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John_West
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answered Jul 10 '11 at 22:47
Daniel CrowleyDani...
Further understanding setRetainInstance(true)
...w.
(This is edited a bit to make it easier to read.)
TestActivity@415a4a30: this()
TestActivity@415a4a30: onCreate()
TestActivity@415a4a30: Existing fragment not found.
TestFragment{41583008}: this() TestFragment{41583008}
TestFragment{41583008}: onAttach(TestActivity@415a4a30)
TestFragment{415830...
How to get year/month/day from a date object?
alert(dateObj) gives Wed Dec 30 2009 00:00:00 GMT+0800
16 Answers
16
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Saving a Numpy array as an image
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answered May 24 '09 at 0:26
dF.dF.
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Bash command to sum a column of numbers [duplicate]
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10 Answers
10
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Simplest way to detect a mobile device in PHP
...opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i',$useragent)||preg_match('/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|...
python tuple to dict
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answered Sep 24 '10 at 1:07
Greg HewgillGreg Hewgill
783k167167 gold badges10841084 silver badges12221222 bronze badges
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