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What is the purpose of Flask's context stacks?
...tension object
db.init_app(app)
Then they use the app and db values in a script that should be run from the shell. For example, a "setup_tables.py" script...
from myapp import app, db
# Set up models
db.create_all()
In this case, the Flask-SQLAlchemy extension knows about the app application, ...
How to get back to most recent version in Git?
... a bit confused about something. I needed to run the previous version of a script through a debugger, so I did git checkout <previous version hash> and did what I needed to do.
...
Properly close mongoose's connection once you're done
I'm using mongoose in a script that is not meant to run continuously, and I'm facing what seems to be a very simple issue yet I can't find an answer; simply put once I make a call to any mongoose function that sends requests to mongodb my nodejs instance never stops and I have to kill it manually wi...
Remove empty array elements
... answer on this topic is absolutely INCORRECT.
Consider the following PHP script:
<?php
$arr = array('1', '', '2', '3', '0');
// Incorrect:
print_r(array_filter($arr));
// Correct:
print_r(array_filter($arr, 'strlen'));
Why is this? Because a string containing a single '0' character also eva...
How can one pull the (private) data of one's own Android app?
...
You may use this shell script below. It is able to pull files from app cache as well, not like the adb backup tool:
#!/bin/sh
if [ -z "$1" ]; then
echo "Sorry script requires an argument for the file you want to pull."
exit 1
fi
adb she...
'sudo gem install' or 'gem install' and gem locations
...ninstallable via gem uninstall, etc. without needing sudo access. Runnable scripts installed by gem or bundler can be put into your path by adding
$HOME/.gem/ruby/RUBYVERSION/bin
to your $PATH. gem itself tells you about this if it isn't set when you do gem install --user-install.
...
Faster s3 bucket duplication
...urrent-requests
To quickly transfer a huge number of small files, run the script from an EC2 instance to decrease latency, and increase max_concurrent_requests to reduce the impact of latency. Eg:
aws configure set default.s3.max_concurrent_requests 200
...
What are the differences between Perl, Python, AWK and sed? [closed]
...sed program is a stream editor and is designed to apply the actions from a script to each line (or, more generally, to specified ranges of lines) of the input file or files. Its language is based on ed, the Unix editor, and although it has conditionals and so on, it is hard to work with for complex ...
Is it possible to dynamically compile and execute C# code fragments?
...
@Crash893: A scripting system for pretty much any sort of designer application could make good use of this. Of course, there are alternatives such as IronPython LUA, but this is certainly one. Note that a plugin system would be better dev...
What is the current directory in a batch file?
...swers of a similar question: Get list of passed arguments in Windows batch script (.bat)
– olibre
Sep 23 '13 at 15:37
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