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How to draw vertical lines on a given plot in matplotlib?

Given a plot of signal in time representation, how to draw lines marking corresponding time index? 6 Answers ...
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unable to start mongodb local server

I am new to mongodb .. when i tried running mongodb local server with mongod command it failed to run and threw this error.. ...
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How to add a new audio (not mixing) into a video using ffmpeg?

I used a command like: 7 Answers 7 ...
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How to convert a Binary String to a base 10 integer in Java

I have an array of Strings that represent Binary numbers (without leading zeroes) that I want to convert to their corresponding base 10 numbers. Consider: ...
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Why is using “for…in” for array iteration a bad idea?

I've been told not to use for...in with arrays in JavaScript. Why not? 27 Answers 27...
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Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?

Just wondering if .NET provides a clean way to do this: 23 Answers 23 ...
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Why does 2 mod 4 = 2?

I'm embarrassed to ask such a simple question. My term does not start for two more weeks so I can't ask a professor, and the suspense would kill me. ...
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JavaScript function similar to Python range()

Is there a function in JavaScript similar to Python's range() ? 23 Answers 23 ...
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ab load testing

Can someone please walk me through the process of how I can load test my website using apache bench tool ( ab )? 5 Answer...
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Is there a NumPy function to return the first index of something in an array?

I know there is a method for a Python list to return the first index of something: 13 Answers ...