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ubuntu16.04 - How to use tools such as apt-mirror to cache ppa:ondrej/php to the local server in ubuntu?

Friends who develop PHP know that before you run apt-get install php7.1-fpm, you must first add the source. The usual method is: add-apt-repository ppa:ondrej/php. Originally, this step is nothing. It’s inappropriate, but it’s too slow! ! So, I want to ask...

扔个三星炸死你 2017-06-14 10:50:02

Bit Operations - Why ~8=-9, ~-8=7 in javascript?

After studying the relevant information on bitwise operations in JavaScript, I really don’t understand the inverted bitwise operation. I don’t understand why the inverted bitwise operation is not the maximum number - the current value, but ~8=-9, ~-8=7?

滿天的星座 2017-05-18 10:59:22

linux - Problem with logging in using mongodb permissions after installing ubuntu mongodb apt

I received a text message notification from Alibaba Cloud in the middle of the night yesterday, saying that there was a remote login exception on the server. I came to the company this morning and asked around, but no one was logged in. Then I checked the Ubuntu system log and found that there were ...

大家讲道理 2017-05-02 09:26:31

七牛云存储 - 七牛的自定义数据处理，构建镜像时 apt-get update 失败

昨晚，用相同的ufop.yaml是可以构建的。刚刚试了几次，都是一样的错误提示，日志显示大致是执行apt-get update时，一些源找不到了，导致后续的命令没机会执行。

高洛峰 2017-04-24 09:12:37

dockerfile - Docker doesn't show port mapping?

Then the dockerfile is entered according to an example on the Internet: FROM ubuntu:14.04MAINTAINER Chris Chan "chenx1242@163.com"ENV REFRESHED_AT 2016-12-05RUN apt-get -y update && apt-get install -y nginxRUN mkdir -p /

PHP中文网 2017-06-06 09:52:29

Problems React encounters when using utf-8

I'm developing a React based solution using VisualStudio. My React.js files are encoded in UTF-8. I'm using some danish text and what confuses me is that I have to rewrite ø to ø. The reason that confuses me is because the browser is showing UTF-8 replacement characters so I thought it must be using...

P粉644981029 2023-08-16 18:52:59