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Get the distance between two geo points
...ction centered on the master point, so you can compute the cosine once for all comparisons).
For more info see: http://www.movable-type.co.uk/scripts/latlong.html
There is a nice reference implementation of the Haversine formula in several languages at: http://www.codecodex.com/wiki/Calculate_Dis...
How to remove an element slowly with jQuery?
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The .remove() method very specifically removes the node from the DOM. The .hide() method only changes the display attribute to make is not visible, but still in existence.
– micahwittman
Nov 27 '09 at 7:19
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Redirect Windows cmd stdout and stderr to a single file
I'm trying to redirect all output (stdout + stderr) of a DOS command to a single file:
7 Answers
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Going from a framework to no-framework [closed]
...3rd-party ads/badges/videos. Already in WebKit. Likely to be at least partially implemented in Firefox 11.)
Content Security Policy (Firefox 4's new security framework, complimentary to the sandbox attribute. Now also being implemented in Chrome.)
If you're accepting HTML as input, I recommend gr...
Where can I learn jQuery? Is it worth it?
...hools.com . It's hit or miss, I know, but the PHP and CSS sections specifically have proven very useful for reference.
14 A...
Join vs. sub-query
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@user1735921 IMO it depends ... Generally, it's very important the readability of the code, because it is of great importance for later management of it... Let's remember the famous statement of Donald Knuth: "Premature optimization is the root of all evil (or a...
hash function for string
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@Josepas the hash function should ideally return a size_t or other such unsigned value (such as the unsigned long in this code). The caller is responsible for taking modulo of the result to fit it to the hash table. The caller controls the table slot being hashed to; not the func...
img tag displays wrong orientation
... Why in the world do images even have orientation metadata? If you really wanted to rotate the picture then wouldn't you just shift around the pixels and swap the width for the height?
– Jack Giffin
Oct 29 '17 at 1:02
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Render HTML to an image
... which already has a lot of answers, yet I still spent hours trying to actually do what I wanted:
given an html file, generate a (png) image with transparent background from the command line
Using Chrome headless (version 74.0.3729.157 as of this response), it is actually easy:
"/Applications/G...
Split string in Lua?
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Here is my really simple solution. Use the gmatch function to capture strings which contain at least one character of anything other than the desired separator. The separator is **any* whitespace (%s in Lua) by default:
function mysplit ...