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changing source on html5 video tag
...').innerHTML = '<video autoplay controls id="video_ctrl" style="height: 100px; width: 100px;"><source src="'+src+'" type="video/mp4"></video>';
document.getElementById('video_ctrl').play();
}
</script>
<button onClick="setvideo('video1.mp4');">Video1</button>
...
How to convert latitude or longitude to meters?
...ath.atan2(Math.sqrt(a), Math.sqrt(1-a));
var d = R * c;
return d * 1000; // meters
}
Explanation: https://en.wikipedia.org/wiki/Haversine_formula
The haversine formula determines the great-circle distance between two points on a sphere given their longitudes and latitudes.
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Dashed line border around UIView
...code:
let v = UIViewWithDashedLineBorder(frame: CGRect(x: 0, y: 0, width: 100, height: 100))
Result:
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Effects of changing Django's SECRET_KEY
...| tr -dc 'A-Za-z0-9!"#$%&\''()*+,-./:;<=>?@[\]^_`{|}~' | head -c 100 ; echo
At this point I thought why not try a larger key, so I tried it with a 100 and 1000 long key. Both worked. If I understand the source code, the object returned by the signer function is a hmac hash in base64. RFC...
Replace whole line containing a string using Sed
...{FILE}"
sed -i '/'"${OLD_LINE_PATTERN}"'/{s/.*/'"${NEW}"'/;h};${x;/./{x;q100};x}' "${FILE}"
if [[ $? -ne 100 ]] && [[ ${NEW_LINE} != '' ]]
then
echo "${NEW_LINE}" >> "${FILE}"
fi
}
the crazy exit status magic comes from https://stackoverflow.com/a/12145797/1262663
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How do I create a basic UIButton programmatically?
...nTypeRoundedRect] retain];
playButton.frame = CGRectMake(110.0, 360.0, 100.0, 30.0);
[playButton setTitle:@"Play" forState:UIControlStateNormal];
playButton.backgroundColor = [UIColor clearColor];
[playButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal ];
UII...
Responsively change div size keeping aspect ratio [duplicate]
...ormula (for example using a 22:5 ratio where 22 is A and 5 is B): B / (A / 100) = C%. So 22:5 is 5 / .22 = 22.72%.
– Dreamdealer
Mar 14 '14 at 13:21
1
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How to get progress from XMLHttpRequest
...e progress on screen
var percentComplete = (evt.loaded / evt.total) * 100;
$('#progressbar').progressbar( "option", "value", percentComplete );
}
}
function sendreq(evt)
{
var req = new XMLHttpRequest();
$('#progressbar').progressbar();
req.onprogress = updateP...
Change Default Scrolling Behavior of UITableView Section Header
...ection 0 header height, you'll see that finger-feel is affected (try like "1000" and you'll see the bounce behaviour is sort of weird at the top). if the number matches your section 0 header height, finger feel seems to be either perfect or near-perfect.}
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Cell spacing in UICollectionView
... maybe I do something wrong or this idea is not working for 100%, because when I scroll to the end I see that some cells are overlay each other :(
– pash3r
Mar 5 '16 at 10:19
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