pacman error: audit: signature from is unknown trust
使用 pacman 更新系统报错怎么办？更新是个麻烦事，长时间不更新一更新就容易出各种问题。pacman -Syu error: audit: signature from "Levente Polyak (anthraxx) <levente@leventepolyak.net>" is unknown trusterror: audit: signature from "Levente Polyak ...
基于 HTML5 的 EventSource 实时推送实现
本文介绍 Comet 的 EventSource 实现方式，EventSource 对象只是对数据格式进行了简单的封装。服务端加上 event-stream 的头声明，数据以事件流的方式传递，保持长连接。先上代码吧，后端代码示例 chat.php：if (isset($_REQUEST['message'])) { file_put_contents('/tmp/message.txt', time() ....
JavaScript实现图片懒加载非可视区域延迟加载
nction(){ viewport = getViewport(); }; var loadImg = function(){ if( count >= m.length ){ /* remove event */ if( window.addEventListener ){ document.removeEventListener( 'scroll', loadImg, false ); }else i...
手机站建设HTML5触摸屏touch事件使用介绍
触发 touchcancel：系统取消touch事件的时候触发 事件绑定，代码示例： <script> var obj = document.getElementById('id'); obj.addEventListener('touchstart', touchStart, false); obj.addEventListener('touchmove', touchMove, false); obj....
MySQL8 关闭 binlog
ndex | /var/lib/mysql/binlog.index | | log_bin_trust_function_creators | OFF | | log_bin_use_v1_row_events | OFF | +---------------------------------+-----------------------------+ 5 rows in set (0.11 sec)...
kafka 的一些命令
-bootstrap-server localhost:9092消费 from beginning bin/kafka-console-consumer.sh --topic quickstart-events --from-beginning --bootstrap-server localhost:9092生产bin/kafka-console-producer.sh --topic quickst...
Debian 10 安装 MySQL Server
ate_view_priv: N Show_view_priv: N Create_routine_priv: N Alter_routine_priv: N Create_user_priv: N Event_priv: N Trigger_priv: N Create_tablespace_priv: N ssl_type: ssl_cipher: 0x x509_issuer: 0x x509_sub...
css big event gray how to achieve
针对大事件灰色效果，CSS 的工作量可谓不小，可 CSS3 来了，只需一行代码搞定，其实就是这么简单，无需做什么准备。.big-event-gray { filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1); /* -webkit-filter: grayscale(100%); */ -moz-filter: grayscale...
Docker 的一些命令
r 命令大全 容器生命周期管理 run start/stop/restart kill rm pause/unpause create exec 容器操作 ps inspect top attach events logs wait export port 容器rootfs命令 commit cp diff 镜像仓库 login pull push search 本地镜像管理 images rmi tag ...
Raspberry Pi 安装 Docker
ate Create a new container diff Inspect changes to files or directories on a container's filesystem events Get real time events from the server exec Run a command in a running container export Export a con...