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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...hter, or blend it with a second color, and can also pass it right thru but convert from Hex to RGB (Hex2RGB) or RGB to Hex (RGB2Hex). All without you even knowing what color format you are using.
This runs really fast, probably the fastest, especially considering its many features. It was a long tim...
Simple and fast method to compare images for similarity
...ive error between images.
double errorL2 = norm( A, B, CV_L2 );
// Convert to a reasonable scale, since L2 error is summed across all pixels of the image.
double similarity = errorL2 / (double)( A.rows * A.cols );
return similarity;
}
else {
//Images have a different size
ret...
Calculating Distance between two Latitude and Longitude GeoCoordinates
...returns the value in meters. For me, in the USA, if it's less than 1610, I convert it to feet (meters * 3.28084) otherwise I convert to miles (meters * 0.000621371). Accuracy is more than good enough for my purposes.
– buzzard51
Jul 29 '16 at 16:55
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Downloading a large file using curl
...
You can use this function, which creates a tempfile in the filesystem and returns the path to the downloaded file if everything worked fine:
function getFileContents($url)
{
// Workaround: Save temp file
$img = tempnam(sys_get_temp_dir(), 'pdf-');
$img .= '.' . pathinfo($url...
Python: Ignore 'Incorrect padding' error when base64 decoding
I have some data that is base64 encoded that I want to convert back to binary even if there is a padding error in it. If I use
...
Converting JSON String to Dictionary Not List
I am trying to pass in a JSON file and convert the data into a dictionary.
6 Answers
6...
Remove leading zeros from a number in Javascript [duplicate]
...
Now, lets consider the number string '099999999999999999999' and try to convert it using the above methods
const numString = '099999999999999999999';
let parsedNumber = parseInt(numString, 10);
console.log(`parseInt(radix=10) result: ${parsedNumber}`);
parsedNumber = Number(numString)...
How to change file encoding in NetBeans?
...o that in Netbeans.
If you are working in Netbeans you should consider to convert all files to a single encoding using other tools.
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How do I convert a String object into a Hash object?
I have a string which looks like a hash:
13 Answers
13
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Why does isNaN(“ ”) (string with spaces) equal false?
...fails the isNAN test. You can use parseInt on the string first which won't convert the empty string to 0. The result should then fail isNAN.
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