通常是打印驱动太旧引起
- 删除打印机旧的驱动 如:/Library/Printers/FujiXerox
- 重新安装最新的驱动
- 重新添加打印机
全局安装
sudo npm install -g --unsafe-perm node-sass@4.14.1 --save
系统: CentOS 7
https://certbot.eff.org/lets-encrypt/centosrhel7-nginx
sudo yum install python2-certbot-dns-cloudflareyum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpmsudo yum install certbot python2-certbot-nginxsudo yum install python2-certbot-dns-cloudflare添加路径 …
Web前端需要连接热敏打印机打印小票,但是font-size始终无法调小,最终解决见demo:
update:2020年12月04日
https://medium.com/@Idan_Co/the-ultimate-print-html-template-with-header-footer-568f415f6d2a
<!DOCTYPE HTML>
<html>
<head>
<meta name="renderer" content="webkit">
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>美问</title>
<style type="text/css">
@media screen {
#printSection {
display: none …Update: 2015-04-10
上传podspec文件到CocoaPods官方仓库中的方式更改,原来的办法不可行,新的办法如下: http://guides.cocoapods.org/making/getting-setup-with-trunk.html
First you need to register for trunk:
$ pod trunk register orta@cocoapods.org 'Orta Therox' --description='macbook air'
Then you should be able to …var str = 'hello world';
console.log('--->>>%s', str);
常用格式代码:
| 说明符 | 输出 |
|---|---|
| %s | 将值格式化为字符串 |
| %i 或 %d | 将值格式化 … |
按照教程添加前端
https://developers.google.com/web/fundamentals/codelabs/push-notifications?hl=zh-cn
后端服务使用web-push
需要审核key:
https://console.firebase.google.com/project/test-22de3/settings/cloudmessaging/web:Mzg2N2Q4MzgtNmY5MS00YTAzLTkzYTItMDc2NTczZWJkYmE2?hl=zh-cn
服务端需要能正 …
read more注意备份将要安装系统的电脑内容
官网教程:https://support.apple.com/zh-cn/HT201372
Mac OS 扩展(日志式) 重命名为:UM