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Real mouse position in canvas [duplicate]
I'm trying to draw with the mouse over a HTML5 canvas, but the only way that it seems to work well is if the canvas is in the position 0,0 (upper left corner) if I change the canvas position, for some reason it doesn't draw like it should. Here is my code.
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For each row return the column name of the largest value
I have a roster of employees, and I need to know at what department they are in most often. It is trivial to tabulate employee ID against department name, but it is trickier to return the department name, rather than the number of roster counts, from the frequency table. A simple example below (colu...
Android View.getDrawingCache returns null, only null
Would anyone please try to explain to me why
10 Answers
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How to perform element-wise multiplication of two lists?
I want to perform an element wise multiplication, to multiply two lists together by value in Python, like we can do it in Matlab.
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Simplest way to read json from a URL in java
This might be a dumb question but what is the simplest way to read and parse JSON from URL in Java ?
11 Answers
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Fastest way to tell if two files have the same contents in Unix/Linux?
I have a shell script in which I need to check whether two files contain the same data or not. I do this a for a lot of files, and in my script the diff command seems to be the performance bottleneck.
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Parsing huge logfiles in Node.js - read in line-by-line
I need to do some parsing of large (5-10 Gb)logfiles in Javascript/Node.js (I'm using Cube).
11 Answers
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AVAudioPlayer throws breakpoint in debug mode
Every time I load the app it stops as if I had set a breakpoint on this line:
6 Answers
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Counting null and non-null values in a single query
I have a table
26 Answers
26
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In mocha testing while calling asynchronous function how to avoid the timeout Error: timeout of 2000
In my node application I'm using mocha to test my code. While calling many asynchronous functions using mocha, I'm getting timeout error ( Error: timeout of 2000ms exceeded. ). How can I resolve this?
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