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扒了一下源码，ESP8285接入App Inventor有4种玩法，第3种最香 - AI 助手 - ...
...时双向通信，零新开发。
缺点：ESP8285配网后才能知道IP，每次换网络要重新设置。
方案3：MQTT（生产环境最推荐）
通过MQTT Broker中转，ESP8285和App Inventor都连同一个Broker。
ESP8285端用PubSubClient库（Arduino标准库），App端用f...
Detecting 'stealth' web-crawlers
...I developed examined web server logs for excessive activity from any given IP address and issued firewall rules to block offenders. It included whitelists of IP addresses/ranges based on http://www.iplists.com/, which were then updated automatically as needed by checking claimed user-agent strings ...
What is /dev/null 2>&1?
...
& indicates a file descriptor. There are usually 3 file descriptors - standard input, output, and error.
– Testing123
Sep 15 '17 at 17:22
...
Nginx reverse proxy causing 504 Gateway Timeout
...ed just fine:
server {
location / {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $http_host;
proxy_http_version 1.1;
proxy_set_header Connection "";
proxy_pass http://localhost:5000;
}
}
Have a look at this posts which exp...
Can't push to GitHub because of large file which I already deleted
Currently I have
18 Answers
18
...
Has anyone ever got a remote JMX JConsole to work?
...a SSH login. All Communication will be tunneled over the SSH connection.
TIP: This Solution works no matter if there is a firewall or not.
Disadvantage: Everytime you restart your java process, you will need to do all steps from 4 - 9 again.
1. You need the putty-suite for your Windows machin...
Can you pass parameters to an AngularJS controller on creation?
...nswered Feb 13 '14 at 10:23
François RomainFrançois Romain
9,1131212 gold badges7373 silver badges108108 bronze badges
...
GIT clone repo across local file system in windows
...gt;/<share>/<path>
For example, if your main machine has the IP 192.168.10.51 and the computer name main, and it has a share named code which itself is a git repository, then both of the following commands should work equally:
git clone file:////main/code
git clone file:////192.168.10...
Test if string is a number in Ruby on Rails
...il 1154461.1 (±5.5%) i/s - 5788976 in 5.035311s
require 'benchmark/ips'
int = '220000'
bad_int = '22.to.2'
Benchmark.ips do |x|
x.report('cast') do
Integer(int) rescue false
end
x.report('cast fail') do
Integer(bad_int) rescue false
end
x.report('to_s') do
int.to_i....
How to remove the first character of string in PHP?
How to use PHP , Remove the first character :
13 Answers
13
...