| """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" | |
| " Font | |
| :set guifont=Source\ Code\ Pro:h14 | |
| """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" | |
| " Hide pointless junk at the bottom, doesn't work in .vimrc for some reason? | |
| :set laststatus=0 | |
| :set noshowmode "don't show --INSERT-- | |
| :set noruler "don't show line numbers/column/% junk |
Copyright © <year> <copyright holders>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
| class DjangoModel(models.Model): | |
| @classmethod | |
| def from_db(cls, db, field_names, values): | |
| instance = super().from_db(db, field_names, values) | |
| instance._state.adding = False | |
| instance._state.db = db | |
| instance._old_values = dict(zip(field_names, values)) | |
| return instance | |
| import {useCallback, useRef, useEffect} from 'react' | |
| import {useField, useFormikContext} from 'formik' | |
| import update from 'immutability-helper' | |
| const useFieldArray = props => { | |
| const [field, meta] = useField(props) | |
| const fieldArray = useRef(field.value) | |
| const {setFieldValue} = useFormikContext() | |
| useEffect(() => { |
Tiny wrapper component for React-Datepicker to stylistically fit with Chakra-UI 1.x.
<DatePicker selectedDate={myDate} onChange={(d) => console.log(d)} />
It’s common these day when React & React Native developers use State management library (like Redux). I’ve been using React & React Native for a while now and found out that Pure React is actually not bad. In this article I will share my way of doing things with React & React Native purely, without State management library (represented by Redux).
For those of you who are struggling learning Redux, because of the overwhelming of the whole React/JSX/Babel/Webpack/Native Component/Native Module/.. and have to add Redux to the list just to solve some of React problems, or because of the high learning curve of Redux, I hope you find this article helpful.
Assuming you have some knowledge of React, I will jump right in the problems that most of us encoutered at the beginning of time learning React:
pass data down, pass event up makes us to pass data & function via props and it's hard to manage when amount of props gets huge. (Comunication between component
| 1.create google app (google console) | |
| Example: | |
| Client ID xxx.apps.googleusercontent.com | |
| Email address xxx@developer.gserviceaccount.com | |
| Client secret xxx | |
| Redirect URIs | |
| https://localhost/oauth2callback | |
| Javascript Origins | |
| https://localhost |
A radar chart visualizes multivariate data in a 2D chart of three or more quantitative variables represented on axes.
The project is created using AngularJS and D3.js.
| apk add --no-cache --virtual=build-dependencies build-base ncurses-dev icu-dev tar | |
| apk add --no-cache --virtual=build-dependencies --repository http://dl-3.alpinelinux.org/alpine/edge/testing/ shadow | |
| mkdir /work && cd /work | |
| wget -O firebird-source.tar.bz2 http://downloads.sourceforge.net/project/firebird/firebird/2.5.4-Release/Firebird-2.5.4.26856-0.tar.bz2 | |
| tar --strip=1 -xf firebird-source.tar.bz2 | |
| #Patch rwlock.h (this has been fixed in later release of firebird 3.x) | |
| sed -i '194s/.*/#if 0/' src/common/classes/rwlock.h |
| create or replace function add_on_update_trigger | |
| (schema_name text, table_name text, column_name text) | |
| returns void AS $body$ | |
| declare | |
| target_table text = | |
| quote_ident(schema_name) || '.' || quote_ident(table_name); | |
| trig_name text = | |
| quote_ident( | |
| 'update_' || schema_name || '_' || table_name || '_' || column_name | |
| ); |