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How to add image to canvas

... Maybe you should have to wait until the image is loaded before you draw it. Try this instead: var canvas = document.getElementById('viewport'), context = canvas.getContext('2d'); make_base(); function make_base() { base_image = ...
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Sending “User-agent” using Requests library in Python

I want to send a value for "User-agent" while requesting a webpage using Python Requests. I am not sure is if it is okay to send this as a part of the header, as in the code below: ...
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Breaking a list into multiple columns in Latex

Hopefully this is simple: I have a relatively long list where each list item contains very little text. For example: 4 Answ...
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Does R have an assert statement as in python?

a statement that checks if something is true and if not prints a given error message and exits 3 Answers ...
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Select element based on multiple classes

I have a style rule I want to apply to a tag when it has two classes. Is there any way to perform this without JavaScript? In other words: ...
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How can I limit Parallel.ForEach?

...webpages. My bandwidth is limited so I can download only x pages per time but Parallel.ForEach executes whole list of desired webpages. ...
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Extracting Nupkg files using command line

Firstly, I do not want to use Visual Studio at all when dealing with the certain .nupkg files. 6 Answers ...
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Test whether a Ruby class is a subclass of another class

I would like to test whether a class inherits from another class, but there doesn't seem to exist a method for that. 2 Answ...
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In Vim/Vi, how do you move the cursor to the end of the previous word?

... Unfortunately it's not a single key... but ge is what you're looking for, I think. share | improve this answer | ...
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How to create arguments for a Dapper query dynamically

I have a dictionary of values Eg "Name": "Alex" 3 Answers 3 ...