You will get one of these:
Uncaught (in promise) TypeError: Cannot read property 'toUpperCase' of undefined(…)
ReactCompositeComponent.js:870 Uncaught TypeError: Cannot read property 'displayName' of undefined
if you try to:
#!/bin/bash | |
MONGO_DATABASE="your_db_name" | |
APP_NAME="your_app_name" | |
MONGO_HOST="127.0.0.1" | |
MONGO_PORT="27017" | |
TIMESTAMP=`date +%F-%H%M` | |
MONGODUMP_PATH="/usr/bin/mongodump" | |
BACKUPS_DIR="/home/username/backups/$APP_NAME" |
#!/bin/sh | |
# Borrowed from http://marcparadise.com/blog/2013/09/21/how-to-fix-a-corrupt-history-file/ | |
# If you ever see a message like this upon starting a new shell | |
# zsh: corrupt history file /home/marc/.zsh_history | |
# here is a quick fix | |
cd ~ | |
mv .zsh_history .zsh_history_bad | |
strings .zsh_history_bad > .zsh_history | |
# And reload history | |
fc -R .zsh_history |
A little while ago I started using Typescript with the Angular 1.5 app I'm working on, to help ease the migration path to Angular 2. Here's how I did it. We'll go example by example through migrating real world code living in a large, mostly non-Typescript codebase.
Let's start with a few of the basic angular building blocks, then we'll go through some of the higher level patterns we derived.
## 安裝語系檔 | |
`$ sudo locale-gen "en_US.UTF-8"` | |
## 重新設定語系檔 | |
`$ sudo dpkg-reconfigure locales` | |
## 設定檔 |
This procedure explains how to install MySQL using Homebrew on macOS Sierra 10.12
$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
At this time of writing, Homebrew has MySQL version 5.7.15 as default formulae in its main repository :
Not all random values are created equal - for security-related code, you need a specific kind of random value.
A summary of this article, if you don't want to read the entire thing:
Math.random()
. There are extremely few cases where Math.random()
is the right answer. Don't use it, unless you've read this entire article, and determined that it's necessary for your case.crypto.getRandomBytes
directly. While it's a CSPRNG, it's easy to bias the result when 'transforming' it, such that the output becomes more predictable.uuid
, specifically the uuid.v4()
method. Avoid node-uuid
- it's not the same package, and doesn't produce reliably secure random values.random-number-csprng
.You should seriously consider reading the entire article, though - it's
⚠ This post is fairly old. I don't keep it up to date. Be sure to see comments where some people have posted updates
What this will cover
www.website.com
to website.com
index.html
)<template> | |
<div> | |
<input type="file" multiple accept="image/jpeg" @change="detectFiles($event.target.files)"> | |
<div class="progress-bar" :style="{ width: progressUpload + '%'}">{{ progressUpload }}%</div> | |
</div> | |
</template> | |
<script> |