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Reimport a module in python while interactive
...ou have to re-load the module with its aliased name (sm in this example):
>>> import some_module as sm
...
>>> import importlib
>>> importlib.reload(some_module) # raises "NameError: name 'some_module' is not defined"
>>> importlib.reload(sm) # works
...
Skip rows during csv import pandas
...
You can try yourself:
>>> import pandas as pd
>>> from StringIO import StringIO
>>> s = """1, 2
... 3, 4
... 5, 6"""
>>> pd.read_csv(StringIO(s), skiprows=[1], header=None)
0 1
0 1 2
1 5 6
>>> pd...
Does every Javascript function have to return a value?
...ach of it with /** and then I press Enter to let Netbeans fulfill default comment scheme for following function.
4 Answ...
Convert JavaScript string in dot notation into an object reference
...dex, obj)
[edit] Or in ECMAScript 6:
'a.b.etc'.split('.').reduce((o,i)=>o[i], obj)
(Not that I think eval always bad like others suggest it is (though it usually is), nevertheless those people will be pleased that this method doesn't use eval. The above will find obj.a.b.etc given obj and th...
Check if something is (not) in a list in Python
...ug is probably somewhere else in your code, because it should work fine:
>>> 3 not in [2, 3, 4]
False
>>> 3 not in [4, 5, 6]
True
Or with tuples:
>>> (2, 3) not in [(2, 3), (5, 6), (9, 1)]
False
>>> (2, 3) not in [(2, 7), (7, 3), "hi"]
True
...
Coding in Other (Spoken) Languages
... an "iteración" ( iteration of course ) I had to write:
for( i = 0 ; i < 100 ; i++ ) {}
To me the "for", the ";" and the "++" where simple foreign words or symbols. Later I learn that "for" meant "para" and "while" meant "mientras" etc. but in the mean time I did not need to know English, b...
Command-line Unix ASCII-based charting / plotting tool
...sibilities.
It can output to your terminal in the following way:
gnuplot> set terminal dumb
Terminal type set to 'dumb'
Options are 'feed 79 24'
gnuplot> plot sin(x)
1 ++----------------**---------------+----**-----------+--------**-----++
+ *+ * + * *...
Visual Studio immediate window command for Clear All
...
To clear the immediate window, you can use >cls, which is a predefined command alias to >Edit.ClearAll.
The MSDN article lists all predefined aliases and you can define your own, too. (For VS 2010 and earlier, custom aliases are described in a separate article, ...
What does enumerate() mean?
...nt); the for loop binds that to row_number and row, respectively.
Demo:
>>> elements = ('foo', 'bar', 'baz')
>>> for elem in elements:
... print elem
...
foo
bar
baz
>>> for count, elem in enumerate(elements):
... print count, elem
...
0 foo
1 bar
2 baz
By de...
How to determine whether a substring is in a different string
...
with in: substring in string:
>>> substring = "please help me out"
>>> string = "please help me out so that I could solve this"
>>> substring in string
True
...