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cn.fun123.ClientSocketAI2Ext 中文网升级版 Socket客户端拓展，TCP通信拓...
最新版：https://www.fun123.cn/reference/ ... ctivity.html#Socket
已经加入发送二进制的接口。
原版：
报错后，App直接崩溃，没得选择，体验不好！
AppInventor2中文网升级版：
连接出错后，使用对话框组件个性展示出错信...
第一次注册，fun123，发贴 - 闲聊区 - 清泛IT社区，为创新赋能！
第一次注册，fun123，发贴
请多多关照{:8_355:} 新人
扒了一下源码，ESP8285接入App Inventor有4种玩法，第3种最香 - AI 助手 - ...
...5这个芯片怎么接入App Inventor 2？我翻了MIT的源码和我们fun123的30多个扩展，把所有可行路径都摸了一遍。先说结论：不用开发新扩展，现有组件就能用。
ESP8285是什么？和ESP8266啥关系？
ESP8285是乐鑫(Espressif)出的WiFi芯片，本...
How to convert a char array to a string?
...e we will lose some data. The possible solution is:
cout << string("123\0 123") << endl;
cout << string("123\0 123", 8) << endl;
Output is:
123
123 123
share
|
impr...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...
123
I have the choice in between either having a bunch of mutexes or a single one for an object...
parseInt vs unary plus, when to use which?
... '~~x',
'x>>>0',
'isNaN(x)'
];
VALUES = [
'"123"',
'"+123"',
'"-123"',
'"123.45"',
'"-123.45"',
'"12e5"',
'"12e-5"',
'"0123"',
'"0000123"',
'"0b111"',
'"0o10"',
'"0xBABE"',
'"4294967295"',
'"1...
Javascript Thousand Separator / string format [duplicate]
...ch is exactly what kaiser suggests below: toLocaleString
So you can do:
(1234567.89).toLocaleString('en') // for numeric input
parseFloat("1234567.89").toLocaleString('en') // for string input
The function implemented below works, too, but simply isn't necessary.
(I thought perhap...
An example of how to use getopts in bash
...pecify strength, either 45 or 90.
h | *) # Display help.
$ ./foo.sh -s 123 -p any_string
Strength needs to be either 45 or 90, 123 found instead.
p is any_string
$ ./foo.sh -s 90 -p any_string
Strength is 90.
p is any_string
See: Small getopts tutorial at Bash Hackers Wiki
...
How can I convert a string to a number in Perl?
...
This is a simple solution:
Example 1
my $var1 = "123abc";
print $var1 + 0;
Result
123
Example 2
my $var2 = "abc123";
print $var2 + 0;
Result
0
share
|
improve thi...
Ruby, remove last N characters from a string?
...diomatic (and I'd argue, even more readable than other answers here):
'abc123'.delete_suffix('123') # => "abc"
'abc123'.delete_suffix!('123') # => "abc"
It's even significantly faster (almost 40% with the bang method) than the top answer. Here's the result of the same benchmark:
...