l1xnan l1xnan

Docker Hub 镜像加速器

国内从 Docker Hub 拉取镜像有时会遇到困难，此时可以配置镜像加速器。

Dockerized 实践 https://github.com/y0ngb1n/dockerized

1️⃣ Docker daemon 配置代理（推荐）

Effective Modern CMake

Getting Started

For a brief user-level introduction to CMake, watch C++ Weekly, Episode 78, Intro to CMake by Jason Turner. LLVM’s CMake Primer provides a good high-level introduction to the CMake syntax. Go read it now.

After that, watch Mathieu Ropert’s CppCon 2017 talk Using Modern CMake Patterns to Enforce a Good Modular Design (slides). It provides a thorough explanation of what modern CMake is and why it is so much better than “old school” CMake. The modular design ideas in this talk are based on the book [Large-Scale C++ Software Design](https://www.amazon.de/Large-Scale-Soft

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

	# Extracted using: $ unzip -p lib/pycharm.jar com/jetbrains/python/PyBundle.properties \| grep -B1 INSP.NAME \| grep '^#' \| sed 's\|Inspection\|\|g' \| sed -e 's\|#\s\{,1\}\|# noinspection \|'

	# noinspection PyPep8
	# noinspection PyPep8Naming
	# noinspection PyTypeChecker
	# noinspection PyAbstractClass
	# noinspection PyArgumentEqualDefault
	# noinspection PyArgumentList
	# noinspection PyAssignmentToLoopOrWithParameter
	# noinspection PyAttributeOutsideInit

	import uuid
	import wtforms_json
	from sqlalchemy import not_
	from sqlalchemy.dialects.postgresql import UUID
	from wtforms import Form
	from wtforms.fields import FormField, FieldList
	from wtforms.validators import Length

	from flask import current_app as app
	from flask import request, json, jsonify, abort