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Difference between map and collect in Ruby?
... is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called map in all three of these languages. A collect alias for map is also provided in Ruby (from Smalltalk) [emphasis mine]. Common Lisp provides a family of map-like functions; the one cor...
How to pick a new color for each plotted line within a figure in matplotlib?
...tplotlibrc file.
If you don't know where that file is, do the following in python:
import matplotlib
matplotlib.matplotlib_fname()
This will show you the path to your currently used matplotlibrc file.
In that file you will find amongst many other settings also the one for axes.color.cycle. Just p...
Debugging “Element is not clickable at point” error
...works well in the case where the element is wrapped in a div or a span. In Python I used .send_keys('\n') to simulate the click and work around the issue in Chrome.
– G-J
Feb 16 '16 at 18:07
...
Get pandas.read_csv to read empty values as empty string instead of nan
...
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std::string length() and size() member functions
...ught to be one, and ideally only one, obvious way to do it" (as the Zen of Python recites) will, I guess, mostly agree with your doubts, @Naveen, while fans of Perl's "There's more than one way to do it" (or SQL's syntax with a bazillion optional "noise words" giving umpteen identically equivalent s...
Is Java RegEx case-insensitive?
... Thanks for the answer. This is exactily I was looking for. In python we have re.IGNORECASE was looking for similar answer in JAVA.
– Doogle
Feb 3 '19 at 13:42
add...
Mocha / Chai expect.to.throw not catching thrown errors
...ample given.
homegrownAssertThrows(model.get, z);
// a style common in Python, but not in JavaScript
You can check for specific errors using any assertion library:
Node
assert.throws(() => x.y.z);
assert.throws(() => x.y.z, ReferenceError);
assert.throws(() => x.y.z, Reference...
How to show all shared libraries used by executables in Linux?
... objdump:
$(CROSS_COMPILE)objdump -p
For instance:
objdump -p /usr/bin/python:
Dynamic Section:
NEEDED libpthread.so.0
NEEDED libdl.so.2
NEEDED libutil.so.1
NEEDED libssl.so.1.0.0
NEEDED libcrypto.so.1.0.0
NEEDED ...
List vs List
...ring, you can use extend on each type parameter. I.e., suppose you process XML and you want to store AttrNode, Element etc in a map, you can do something like:
List<? extends Map<String, ? extends Node>> listOfMapsOfNodes = new...;
// Now you can do:
listOfMapsOfNodes.add(new TreeMap&l...
How do I retrieve the number of columns in a Pandas data frame?
... attribute. most efficient vectorized operations can be done with regular python syntas as opposed to vectorized operations and is almost always wrong (numba/jit operations excepted from that criticizm)
– Phil Cooper
Nov 30 '13 at 23:33
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