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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...》。
【实用小技巧】从.aia项目文件中提取.aix拓展包
【自己写拓展】为AppInventor2开发拓展(Extension)
中文网拓展
【AI大模型】LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通义千问…等国内大模型，...
What is the difference between “int” and “uint” / “long” and “ulong”?
...
This is quite fun to work out by hand. A 32-bit signed variable uses 1 bit for the sign (positive or negative) so can store values between -2^31 and +2^31 - 1
– Jaco Pretorius
Sep 16 '10 at 8:29
...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...ontent content3
再把这三条消息发送给某个用户，其<USRID>是123：
redis> SADD usr:123:msg 1
redis> SADD usr:123:msg 2
redis> SADD usr:123:msg 3
此时如果简单查询用户有哪些消息的话，无疑只能查到一些<MSGID>：
redis> SMEMBERS usr:123:msg
1) "1"
2) "2...
passing argument to DialogFragment
... dialogFragment.show(fm, "Sample Fragment")
// receive
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
if (getArguments() != null) {
val mArgs = arguments
var myDay= mArgs.getString("title")
}
}
...
Format in kotlin string templates
...ound, you can use something like:
"pi = ${pi.format(2)}"
the .format(n) function you'd need to define yourself as
fun Double.format(digits: Int) = "%.${digits}f".format(this)
There's clearly a piece of functionality here that is missing from Kotlin at the moment, we'll fix it.
...
ImageView 扩展：图片查看器扩展，支持缩放、双击缩放和动画缩放 · App In...
...
下载链接
扩展文件：
com.dreamers.ImageViewer.aix
示例文件：
ImageView.aia
效果图：
功能概述
扩展特性
捏合缩放：支持双指捏合手势进行图片缩放
双击缩放：双击图片可进...
How can I parse a string with a comma thousand separator to a number?
...1), '.');
return parseFloat(normalized);
}
const corpus = {
'1.123': {
expected: 1.123,
locale: 'en-US'
},
'1,123': {
expected: 1123,
locale: 'en-US'
},
'2.123': {
expected: 2123,
locale: 'fr-FR'
},
'2,123': {
expected: 2.123,
loc...
Javascript : natural sort of alphanumerical strings
...ebeckennebec
89.8k2828 gold badges9696 silver badges123123 bronze badges
...
C# DateTime to “YYYYMMDDHHMMSS” format
...e has great examples check it out
// create date time 2008-03-09 16:05:07.123
DateTime dt = new DateTime(2008, 3, 9, 16, 5, 7, 123);
String.Format("{0:y yy yyy yyyy}", dt); // "8 08 008 2008" year
String.Format("{0:M MM MMM MMMM}", dt); // "3 03 Mar March" month
String.Format("{0:d ...
AngularJS $resource RESTful example
...create a todo
var todo1 = new Todo();
todo1.foo = 'bar';
todo1.something = 123;
todo1.$save();
//get and update a todo
var todo2 = Todo.get({id: 123});
todo2.foo += '!';
todo2.$save();
//which is basically the same as...
Todo.get({id: 123}, function(todo) {
todo.foo += '!';
todo.$save();
});...