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Is there a simple way to delete a list element by value?
...ited Mar 23 at 12:07
Andrey Semakin
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answered May 8 '10 at 7:56
Johannes ...
AWS S3 copy files and folders between two buckets
I have been on the lookout for a tool to help me copy content of an AWS S3 bucket into a second AWS S3 bucket without downloading the content first to the local file system.
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Android - Center TextView Horizontally in LinearLayout
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Joe
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answered Oct 4 '11 at 17:54
Dan SDan S
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Progress indicator during pandas operations
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Due to popular demand, tqdm has added support for pandas. Unlike the other answers, this will not noticeably slow pandas down -- here's an example for DataFrameGroupBy.progress_apply:
import pandas as pd
import numpy as np
from tqdm import tqdm
# from tqdm.auto import tqdm # for notebo...
Merge PDF files
...ypdf or its successor PyPDF2:
A Pure-Python library built as a PDF toolkit. It is capable of:
* splitting documents page by page,
* merging documents page by page,
(and much more)
Here's a sample program that works with both versions.
#!/usr/bin/env python
import sys
try:
from PyPD...
SQLite table constraint - unique on multiple columns
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Put the UNIQUE declaration within the column definition section; working example:
CREATE TABLE a (
i INT,
j INT,
UNIQUE(i, j) ON CONFLICT REPLACE
);
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Should I choose ActivePerl or Strawberry Perl for Windows? [duplicate]
I'm totally new to Perl, but I'd like to try it out. I read about two rival distributions available for Windows platform (I guess there's just Perl on other OSes :).
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How do you test that a Python function throws an exception?
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Robert Siemer
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answered Sep 24 '08 at 20:02
MoeMoe
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How to create full compressed tar file using Python?
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To build a .tar.gz (aka .tgz) for an entire directory tree:
import tarfile
import os.path
def make_tarfile(output_filename, source_dir):
with tarfile.open(output_filename, "w:gz") as tar:
tar.add(source_dir, arcname=os.path.basename...
Nested attributes unpermitted parameters
...ional gem strong_parameters became part of the Rails Core.
This should look something like this:
class PeopleController < ActionController::Base
def create
Person.create(person_params)
end
private
def person_params
params.require(:person).permit(:name, :age)
end
end
So params...