juzten

from flask import Flask, render_template
from flask.ext.wtf import Form, widgets, SelectMultipleField

SECRET_KEY = 'development'

app = Flask(__name__)
app.config.from_object(__name__)

class MultiCheckboxField(SelectMultipleField):
    widget = widgets.ListWidget(prefix_label=False)

juzten

<form method="post">
    {{ form.hidden_tag() }}
    {{ form.example }}
    <input type="submit">
</form>

juzten

How to copy SSH keys to another machine?

Public key authentication is generally safer than password-based and is way more convenient.

SSH offers a command to set it up, ssh-copy-id (part of the openssh client package) will copy your public key to the remote machine. Use it like this:

ssh-copy-id -i ~/.ssh/my_key.pub remote-machine

juzten

How to update a GitHub forked repository?

So you hit "Fork" and now you have this repo copy on your Github account. Here is what to do to keep it up-to-date with the original repo.

1. Add the original repo as remote, here called upstream:

git remote add upstream https://github.com/author/repo.git

2. Fetch all the branches of that upstream remote:

juzten

Importing and exporting CSV files with PostgreSQL

Let’s see how to use PostgreSQL to import and export CSV files painlessly with the COPY command.

Import CSV into table t_words:

COPY t_words FROM '/path/to/file.csv' DELIMITER ',' CSV;

You can tell quote char with QUOTE and change delimiter with DELIMITER.

juzten

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
excel_things.py

Created by Stephan Hügel on 2011-05-07

Read XLS or CSV files, and return contents as unicode strings in nested lists
One row per list item, one column per nested list item:
[[u'foo', u'bar'], [u'baz', u'abc123'], … ]

juzten

Application structure

General

1. Application has tree structure with folders for each "feature"
2. Feature folders are named with lowerCamelCase → myComponentDashboard
3. Feature can contain any number of components and nested features
4. Components are named using UpperCamelCase → MyWidgetComponent.vue
5. Component can have translation .yml file named correspondingly → MyWidgetComponent.yml
6. If component requires more than 2 files: .vue and .yml file - folder is created with the same name → MyWidgetComponent

juzten

Download Audio from YouTube

-i - ignore errors

-c - continue

-t - use video title as file name

--extract-audio - extract audio track

juzten

1. Clone your fork:

git clone git@github.com:YOUR-USERNAME/YOUR-FORKED-REPO.git

2. Add remote from original repository in your forked repository:

cd into/cloned/fork-repo
git remote add upstream git://github.com/ORIGINAL-DEV-USERNAME/REPO-YOU-FORKED-FROM.git
git fetch upstream

juzten

1. Create new branch:

git checkout -b otherrepo-master master

2. Get the contents of the PR

git pull https://github.com/otherrepo/my-repo-name.git master