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How to format numbers? [duplicate]

I want to format numbers using JavaScript. 17 Answers 17 ...
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been

Using the HTML5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn. ...
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Return a value if no rows are found in Microsoft tSQL

Using a Microsoft version of SQL, here's my simple query. If I query a record that doesn't exist then I will get nothing returned. I'd prefer that false (0) is returned in that scenario. Looking for the simplest method to account for no records. ...
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Set Matplotlib colorbar size to match graph

I cannot get the colorbar on imshow graphs like this one to be the same height as the graph, short of using Photoshop after the fact. How do I get the heights to match? ...
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How to calculate cumulative normal distribution?

I am looking for a function in Numpy or Scipy (or any rigorous Python library) that will give me the cumulative normal distribution function in Python. ...
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Change date of git tag (or GitHub Release based on it)

I'm adding Releases to my projects on GitHub by adding tags to various commits in the Main branch. 3 Answers ...
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Return 0 if field is null in MySQL

In MySQL, is there a way to set the "total" fields to zero if they are NULL? 5 Answers ...
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How to append rows to an R data frame

I have looked around StackOverflow, but I cannot find a solution specific to my problem, which involves appending rows to an R data frame. ...
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When is a C++ destructor called?

Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete ...
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How do I get Month and Date of JavaScript in 2 digit format?

When we call getMonth() and getDate() on date object, we will get the single digit number . For example : 28 Answers...