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Bubble Sort Homework
...of all the integers from 0 to that argument.
for i in range(length):
The Python Style Guide recommends that variables be named in lowercase with underscores. This is a very minor nitpick for a little script like this; it's more to get you accustomed to what Python code most often resembles.
def b...
Passing HTML to template using Flask/Jinja2
...is a Jinja2 class, yes. It implements a common interface supported by many python libraries (unfortunately not Django). You can also use the markup safe package that implements the same object: pypi.python.org/pypi/MarkupSafe
– Armin Ronacher
Jul 18 '10 at 9:0...
How to define hash tables in Bash?
What is the equivalent of Python dictionaries but in Bash (should work across OS X and Linux).
15 Answers
...
What does “fragment” mean in ANTLR?
...reference)
# ABBCCCDDDDEEEEE ABCDE
# FFGGHHIIJJKK FGHIJK
# ABCDEFGHIJKL
$ python3 Main.py input.txt
(content (rule0 ABBCCC) (rule0 DDDDEEEEE) (rule0 ABC) (rule0 DE) (rule0 FF) (rule0 GGHHII) (rule0 F) (rule0 GHI) (rule0 ABC) (rule0 DEF) (rule0 GHI) <EOF>)
ABBCCC
DDDDEEEEE
ABC
DE
FF
GGHHII
F
...
How can I make pandas dataframe column headers all lowercase?
...ned method call, you can use
data.rename(
columns=unicode.lower
)
(Python 2)
or
data.rename(
columns=str.lower
)
(Python 3)
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enum - getting value of enum on string conversion
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Shared-memory objects in multiprocessing
...es (even over a network).
The Manager approach can be used with arbitrary Python objects, but will be slower than the equivalent using shared memory because the objects need to be serialized/deserialized and sent between processes.
There are a wealth of parallel processing libraries and approaches...
SQLAlchemy IN clause
...rnative way is using raw SQL mode with SQLAlchemy, I use SQLAlchemy 0.9.8, python 2.7, MySQL 5.X, and MySQL-Python as connector, in this case, a tuple is needed. My code listed below:
id_list = [1, 2, 3, 4, 5] # in most case we have an integer list or set
s = text('SELECT id, content FROM myTable W...
How to prevent errno 32 broken pipe?
Currently I am using an app built in python. When I run it in personal computer, it works without problems.
4 Answers
...
An efficient way to transpose a file in Bash
...
A Python solution:
python -c "import sys; print('\n'.join(' '.join(c) for c in zip(*(l.split() for l in sys.stdin.readlines() if l.strip()))))" < input > output
The above is based on the following:
import sys
for c i...