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UDP 实验 - 两台手机在局域网里互发消息 · App Inventor 2 中文网
...个实验做完你会得到什么
两台手机连同一个 WiFi，在 A 上打一句话，B 立刻收到 —— 不需要任何服务器、
不需要注册账号、不用连外网。再改一行就变成广播，一台发全网都收到。
UDP 是”发出去就不管”的协议，...
Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
... a en_ES locale, not supported by the system. Found that I can set an specific setting for Mac R Studio with this command: defaults write org.rstudio.RStudio force.LANG en_US.UTF-8
– Ramón Gil Moreno
Aug 26 '16 at 11:06
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Difference between CR LF, LF and CR line break types?
I'd like to know the difference (with examples if possible) between CR LF (Windows), LF (Unix) and CR (Macintosh) line break types.
...
How to Add a Dotted Underline Beneath HTML Text
...
If the content has more than 1 line, adding a bottom border won't help. In that case you'll have to use,
text-decoration: underline;
text-decoration-style: dotted;
If you want more breathing space in between the text and t...
Find nearest latitude/longitude with an SQL query
...om the database, which has nearest latitude and longitude by the distance, if that distance gets longer than specified one, then don't retrieve it.
...
Test if a string contains any of the strings from an array
How do I test a string to see if it contains any of the strings from an array?
14 Answers
...
Determine if 2 lists have the same elements, regardless of order? [duplicate]
...o be hashable; runtime will be in O(n), where n is the size of the lists.
If the elements are also unique, you can also convert to sets (same asymptotic runtime, may be a little bit faster in practice):
set(x) == set(y)
If the elements are not hashable, but sortable, another alternative (runtime...
Looking for ALT+LeftArrowKey solution in zsh
...et in your terminal, creating compatibility issues when you switch shells (If you SSH into some other shell, switch from BASH to ZSH, etc and you lose some if not all of your keybindings).
Most shells have a set of default sequences that come pre-bound. Furthermore, while they aren't 100% consisten...
Arduino 101 实验09 - PWM 电机调速 · App Inventor 2 中文网
...启停
global 转着 = false
when 按钮_启停.Click() {
if 转着 {
Arduino101PWMMotor1.TurnOff()
global 转着 = false
按钮_启停.Text = "启动"
} else {
Arduino101PWMMotor1.TurnOn()
global 转着 = true
按钮_启停.Text = "停止"
}
}
中途...
Where can I find a list of scopes for Google's OAuth 2.0 API? [closed]
The example I'm working with specifies the scope in the OAuth request as:
scope=https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.email+https%3A%2F%2Fwww.googleapis.com%2Fauth%2Fuserinfo.profile
...