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Convert Data URI to File then append to FormData
I've been trying to re-implement an HTML5 image uploader like the one on the Mozilla Hacks site, but that works with WebKit browsers. Part of the task is to extract an image file from the canvas object and append it to a FormData object for upload.
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jQuery equivalent of getting the context of a Canvas
I have the following working code:
4 Answers
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How to trim a file extension from a String in JavaScript?
For example, assuming that x = filename.jpg , I want to get filename , where filename could be any file name (Let's assume the file name only contains [a-zA-Z0-9-_] to simplify.).
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Stream.Seek(0, SeekOrigin.Begin) or Position = 0
When you need to reset a stream to beginning (e.g. MemoryStream ) is it best practice to use
2 Answers
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Replacing column values in a pandas DataFrame
I'm trying to replace the values in one column of a dataframe. The column ('female') only contains the values 'female' and 'male'.
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How to break nested loops in JavaScript? [duplicate]
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15 Answers
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php - get numeric index of associative array
I have an associative array and I need to find the numeric position of a key.
I could loop through the array manually to find it, but is there a better way build into PHP?
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How do Trigonometric functions work?
So in high school math, and probably college, we are taught how to use trig functions, what they do, and what kinds of problems they solve. But they have always been presented to me as a black box. If you need the Sine or Cosine of something, you hit the sin or cos button on your calculator and you'...
Difference between toFixed() and toPrecision()?
I'm new to JavaScript and just discovered toFixed() and toPrecision() to round numbers. However, I can't figure out what the difference between the two is.
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