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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...
Get Character value from KeyCode in JavaScript… then trim
...r example, http://www.utf8-chartable.de/). However, those are hex values, converting to decimal gives us a charcode of 65 for "A" and 97 for "a".[1] This is consistent with what we get from String.fromCharCode for these values.
My own requirement was limited to processing numbers and ordinary let...
What is the effect of encoding an image in base64?
If I convert an image (jpg or png) to base64, then will it be bigger, or will it have the same size? How much greater will it be?
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Converting Select results into Insert script - SQL Server [closed]
I have SQL Server 2008 , SQL Server Management Studio.
18 Answers
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get dictionary key by value
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types.Values.ToList().IndexOf("one");
Values.ToList() converts your dictionary values into a List of objects.
IndexOf("one") searches your new List looking for "one" and returns the Index which would match the index of the Key/Value pair in the dictionary.
This method does not ...
How to flatten an ExpandoObject returned via JsonResult in asp.net mvc?
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You could also, make a special JSONConverter that works only for ExpandoObject and then register it in an instance of JavaScriptSerializer. This way you could serialize arrays of expando,combinations of expando objects and ... until you find another kind of ob...
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...
MYSQL OR vs IN performance
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I think the BETWEEN will be faster since it should be converted into:
Field >= 0 AND Field <= 5
It is my understanding that an IN will be converted to a bunch of OR statements anyway. The value of IN is the ease of use. (Saving on having to type each column name multip...
How do I grab an INI value within a shell script?
...rrors, ignore them by adding: 2>/dev/null
See also:
How to parse and convert ini file into bash array variables? at serverfault SE
Are there any tools for modifying INI style files from shell script
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Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
How can I convert a NodeJS binary buffer into a JavaScript ArrayBuffer?
12 Answers
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