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Does Python have a ternary conditional operator?
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@MrGeek, I see what you mean, so you would basically be nesting the operations: ` "foo" if Bool else ("bar" if Bool else "foobar") `
– Dimesio
Aug 11 '17 at 0:04
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Pretty git branch graphs
...they split nicely between 'git log' (short) and 'git log' (long), so I can call the short (oneline) version most of the time, but if I need more details use the long version with full commit details. Then I have two nice mappings of <leader>gl (short) and <leader>gll (long) in Vim.
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Renaming a virtualenv folder without breaking it
...k within the virtualenv. To solve it, I edited the bash header (what is it called?) in the ipython file and then it worked fine.
– CoderGuy123
Nov 4 '16 at 20:22
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.NET Configuration (app.config/web.config/settings.settings)
...uration levels.)
These are the kinds of configuration elements that I typically store at the machine level:
Application settings
Connection strings
retail=true
Smtp settings
Health monitoring
Hosting environment
Machine key
When each environment (developer, integration, test, stage, live) has i...
NodeJS require a global module/package
... run: npm config edit.
Specify the full path of node modules location when calling require(). E.g.
require("/path/to/sub/module")
Install the package to custom location, e.g.
npm install forever -g --prefix "$HOME"/.node_modules
However, the installation will go under ~/.node_modules/lib/node_m...
How do I lowercase a string in Python?
... - kilometer
print(s) - Kilometer
It will work just when called.
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Neo4j - Cypher vs Gremlin query language
...er have been really impressive, and it's come a long way. The Neo team typically pushes people toward it, and as Cypher matures, Gremlin will probably get less attention. Cypher is a good long-term choice.
That said- Gremlin is a Groovy DSL. Using it through its Neo4j REST endpoint allows full, unf...
What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
... if I want to support internationalization, what are some alternatives to wide characters?
2 Answers
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How to calculate the angle between a line and the horizontal axis?
...n2(deltaY, deltaX) * 180 / PI
EDIT (Feb. 22, 2017): In general, however, calling atan2(deltaY,deltaX) just to get the proper angle for cos and sin may be inelegant. In those cases, you can often do the following instead:
Treat (deltaX, deltaY) as a vector.
Normalize that vector to a unit vector....
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
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So what's the right answer here? Calling advance means we have to iterate the whole way through a possibly long string. But forming an NSRange and using NSString explicitly is dangerous? What's left?
– matt
Nov 18 '14 a...