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Equation for testing if a point is inside a circle

... if dx>R then return false. if dy>R then return false. Now imagine a square diamond drawn inside this circle such that it's vertices touch this circle: if dx + dy <= R then return true. Now we have covered most of our space and only a small area of this circle remains ...
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Elegant setup of Python logging in Django

...best way I've found so far is to initialize logging setup in settings.py - nowhere else. You can either use a configuration file or do it programmatically step-by-step - it just depends on your requirements. The key thing is that I usually add the handlers I want to the root logger, using levels and...
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How to get screen dimensions as pixels in Android

...n API level 13), you could use the getWidth and getHeight methods that are now deprecated: Display display = getWindowManager().getDefaultDisplay(); int width = display.getWidth(); // deprecated int height = display.getHeight(); // deprecated For the use case you're describing however, a margi...
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How to get cumulative sum

...ata --> Create Table CUMULATIVESUM (id tinyint , SomeValue tinyint) **Now let put some data in the table** Insert Into CUMULATIVESUM Select 1, 10 union Select 2, 2 union Select 3, 6 union Select 4, 10 here I am joining same table (SELF Joining) Select c1.ID, c1.SomeValue, c2.SomeValue ...
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Accessing localhost (xampp) from another computer over LAN network - how to?

...p > Browse to: XAMPP/apache/bin/httpd.exe and allowed it. It is working now! – shasi kanth Feb 18 '16 at 15:15 ...
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Having Django serve downloadable files

...e all headers are encoded to ascii format before sending. Only way that I know of to circumvent this problem is to reduce X-sendfile filenames to ones that consists only ascii. – Ciantic May 31 '10 at 16:13 ...
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How to print to stderr in Python?

...import the print function, every other "print" in the original script will now need to be "functionized" adding "(" and ")". So that is a slight strike against this method, IMO. – Dan H Nov 12 '14 at 18:38 ...
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Using print statements only to debug

...ent is in the middle of, say, an n^3 loop or something. Not that I would know anything about that. share | improve this answer | follow | ...
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How to validate an Email in PHP?

How can I validate the input value is a valid email address using php5. Now I am using this code 7 Answers ...
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ADB No Devices Found

..., and Google USB Driver. I have checked the setting on my Nexus 10 for "Unknown Sources". 42 Answers ...