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Scatter plot and Color mapping in Python

I have a range of points x and y stored in numpy arrays. Those represent x(t) and y(t) where t=0...T-1 3 Answers ...
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What is “:-!!” in C code?

... effect, a way to check whether the expression e can be evaluated to be 0, and if not, to fail the build. The macro is somewhat misnamed; it should be something more like BUILD_BUG_OR_ZERO, rather than ...ON_ZERO. (There have been occasional discussions about whether this is a confusing name.) You...
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How to completely remove node.js from Windows

I uninstalled my previous version of node.js (0.8.11) and downloaded the latest, 0.10.24 from the node.js website and installed it. However, after running node --version , it still indicates that I'm running v0.8.11. Obviously, some stuff was left behind during the uninstall process, and it's causi...
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“NODE_ENV” is not recognized as an internal or external command, operable command or batch file

...s would be SET NODE_ENV=development node foo.js running in the same command shell. You mentioned set NODE_ENV did not work, but wasn't clear how/when you executed it. share | improve this answer...
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How to prevent Browser cache for php site

...dd new files css, js or images the browser is loading the same old js, css and image files stored in cache. 5 Answers ...
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How do I represent a hextile/hex grid in memory?

...Amit Patel has posted an amazing page on this topic. It's so comprehensive and wonderful that it needs to be the definitive answer to this question: Hexagonal Grids share | improve this answer ...
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How do you check whether a number is divisible by another number (Python)?

...le of 5. The way I thought I'd do this would be to divide the number by 3, and if the result is an integer then it would be a multiple of 3. Same with 5. ...
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to

... A query may fail for various reasons in which case both the mysql_* and the mysqli extension will return false from their respective query functions/methods. You need to test for that error condition and handle it accordingly. mysql_* extension: NOTE The mysql_ functions are deprecated a...
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Why unsigned integer is not available in PostgreSQL?

...post ( What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL? ) and realized that PostgreSQL does not support unsigned integer. ...
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How do I tell Maven to use the latest version of a dependency?

... NOTE: This answer applies to Maven 2 only! The mentioned LATEST and RELEASE metaversions have been dropped in Maven 3 "for the sake of reproducible builds", over 6 years ago. Please refer to this Maven 3 compliant solution. If you always want to use the newest version, Maven has two k...