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How to format a float in javascript?
In JavaScript, when converting from a float to a string, how can I get just 2 digits after the decimal point? For example, 0.34 instead of 0.3445434.
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How to convert Nonetype to int or string?
I've got an Nonetype value x , it's generally a number, but could be None . I want to divide it by a number, but Python raises:
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Circle line-segment collision detection algorithm?
I have a line from A to B and a circle positioned at C with the radius R.
27 Answers
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How can I create a two dimensional array in JavaScript?
I have been reading online and some places say it isn't possible, some say it is and then give an example and others refute the example, etc.
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Java optional parameters
How do I use optional parameters in Java? What specification supports optional parameters?
17 Answers
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adding noise to a signal in python
I want to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic.
7 Answer...
Version number comparison in Python
I want to write a cmp -like function which compares two version numbers and returns -1 , 0 , or 1 based on their compared valuses.
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How to create a drop shadow only on one side of an element?
Is there a way to drop the shadow only on the bottom?. I have a menu with 2 images next to each other. I don't want a right shadow because it overlaps the right image. I don't like to use images for this so is there a way to drop it only on the bottom like:
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Where can I get a list of Ansible pre-defined variables?
I see that Ansible provide some pre-defined variables that we can use in playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me?
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Divide a number by 3 without using *, /, +, -, % operators
How would you divide a number by 3 without using * , / , + , - , % , operators?
48 Answers
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