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How to trick an application into thinking its stdout is a terminal, not a pipe
...mmand in quotes. The script runs and sends output to the tty which is duplicated in the supplied file, but I can't seem to get the linux version to behave the same way... I'm probably doing something wrong. So what's the equivalent linux script command for this on macOS: script -q -t 0 tmp.out perl ...
How to extract numbers from a string in Python?
...ct only positive integers, try the following:
>>> str = "h3110 23 cat 444.4 rabbit 11 2 dog"
>>> [int(s) for s in str.split() if s.isdigit()]
[23, 11, 2]
I would argue that this is better than the regex example because you don't need another module and it's more readable because y...
How to list all tags along with the full message in git?
...e. I believe the following is a bit nicer:
for t in `git tag -l`; do git cat-file -p `git rev-parse $t`; done
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Get environment variable value in Dockerfile
...
So you can do:
cat Dockerfile | envsubst | docker build -t my-target -
Then have a Dockerfile with something like:
ENV MY_ENV_VAR $MY_ENV_VAR
I guess there might be a problem with some special characters, but this works for most cases a...
Connect to Amazon EC2 file directory using Filezilla and SFTP
...s. Just check:
Connect to Amazon EC2 file directory using FileZilla and SFTP, Video Tutorial
Summary of above video tutorial:
Edit (Preferences) > Settings > Connection > SFTP, Click "Add key file”
Browse to the location of your .pem file and select it.
A message box will appear a...
How to run the sftp command with a password from Bash script?
I need to transfer a log file to a remote host using sftp from a Linux host. I have been provided credentials for the same from my operations group. However, since I don't have control over other host, I cannot generate and share RSA keys with the other host.
...
Use different Python version with virtualenv
...ld do something along these lines:
mkdir ~/src
wget http://www.python.org/ftp/python/2.7.9/Python-2.7.9.tgz
tar -zxvf Python-2.7.9.tgz
cd Python-2.7.9
mkdir ~/.localpython
./configure --prefix=$HOME/.localpython
make
make install
virtual env
cd ~/src
wget https://pypi.python.org/packages/5c/79/5...
How to get key names from JSON using jq
curl http://testhost.test.com:8080/application/app/version | jq '.version' | jq '.[]'
7 Answers
...
Merge PDF files
...t ImportError:
from pyPdf import PdfFileReader, PdfFileWriter
def pdf_cat(input_files, output_stream):
input_streams = []
try:
# First open all the files, then produce the output file, and
# finally close the input files. This is necessary because
# the data isn'...
SQL Joins Vs SQL Subqueries (Performance)?
...- this makes no difference for a unique ID, but will give you tons of duplicates elsewhere. Sorting these out with DISTINCT or GROUP BY will be another, heavy performance load. Check execution plans in SQL Server Management Studio!
– Erik Hart
Dec 27 '13 at 9:3...