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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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How do you loop in a Windows batch file?
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Can I give the range (1 TO 100) in list?
– Pradeep
Aug 31 '09 at 4:48
37
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Is there any difference between GROUP BY and DISTINCT
... is no difference (Oracle-style):
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:32961403234212
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Identify duplicates in a List
... to consider the load factor, e.g. when you specify an initial capacity of 100, because you want to add that number of elements, it gets rounded to the next power of 2 (128), which implies that with the default load factor of 0.75f, the resize threshold will be 96, so there will be a resize before y...
Automating “enter” keypresses for bash script generating ssh keys
...d to use ed25519 for security and performance.
yes "y" | ssh-keygen -o -a 100 -t ed25519 -C "Bla Bla" -f /mypath/bla -N ""
here
-o OpenSSH key format instead of older PEM (needs OpenSSH 6.5+)
-a Number of primality test while screening DH-GEX candidates
-t Type of key (ed25519, RSA, DSA etc.)
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Drop shadow for PNG image in CSS
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If you have >100 images that you want to have drop shadows for, I would suggest using the command-line program ImageMagick. With this, you can apply shaped drop shadows to 100 images just by typing one command! For example:
for i in "*.p...
AWS MySQL RDS vs AWS DynamoDB [closed]
...ry about managing a clustered data store. So if your application requires 1000 reads/writes per second, you can just provision your DynamoDB table for that level of throughput and not really have to worry about the underlying infrastructure.
RDS has much of the same benefit of not having to worry ...
How do you use the ? : (conditional) operator in JavaScript?
...chael RobinsonMichael Robinson
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How to add a border just on the top side of a UIView
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100
Added capability for rounded corners to Adam Waite's original post, and the multiple edits
Imp...
jQuery UI - Close Dialog When Clicked Outside
....dialog({
bgiframe: true,
autoOpen: false,
height: 100,
modal: true,
open: function(){
jQuery('.ui-widget-overlay').bind('click',function(){
jQuery('#dialog').dialog('close');
})
}
});
});
If dialog is non...