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Can I use __init__.py to define global variables?
I want to define a constant that should be available in all of the submodules of a package. I've thought that the best place would be in in the __init__.py file of the root package. But I don't know how to do this. Suppose I have a few subpackages and each with several modules. How can I access th...
What does “not run” mean in R help pages?
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It's not just time-consuming code that typically is put inside of a \dontrun{}. Code that requires user input needs to be be inside dontrun as well or else it won't pass R CMD check
– Dason
Oct 11 '12 at 23:03
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Log exception with traceback
... log file
ERROR:root:Got exception on main handler
Traceback (most recent call last):
File "/tmp/teste.py", line 9, in <module>
run_my_stuff()
NameError: name 'run_my_stuff' is not defined
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How long does it take for GitHub page to show changes after changing index.html
...rop-down list.
This helps to know if your latest git push was deployed at all.
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Does Python support short-circuiting?
...circuiting "executed" not printed
1
>>> 1 and fun(1) # fun(1) called and "executed" printed
executed
1
>>> 0 and fun(1) # due to short-circuiting "executed" not printed
0
Note: The following values are considered by the interpreter to mean false:
False None ...
What are the big differences between TFVC (TFS Version Control) and Git for source control when usin
...for source control when using VS 2013?
MSDN has a very extensive page on all the features and differences between Team Foundation Version Control and Git.
Is the only benefit in my case a local repository (not saying that's insignificant) and IoS development support?
No, there's lot more, bu...
How do I import other TypeScript files?
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You can use the --all flag with tsc on your main .ts file. The compiler figures out all the dependencies based on your reference tags and generates a single output .js file for the entire application: tsc --out app.js main.ts
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How to convert JSON data into a Python object
...ry, the order of items will directly correspond.". Good to know for such small, local code blocks. I'd add a comment though to explicitly alert maintainers of code of such a dependency.
– cfi
Jun 1 '16 at 7:33
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Check empty string in Swift?
In Objective C, one could do the following to check for strings:
14 Answers
14
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What is a Lambda?
...that were in its lexical scope when it was declared, even after they have fallen out of scope. Anonymous functions do not necessarily have to be closures, but they are in most languages and become rather less useful when they aren't.
A lambda is.. not quite so well defined as far as computer scie...