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AppInventor2 离线版：免登录，离线用，一键启动，App开发so easy！ - App ...
下载地址：https://www.fun123.cn/reference/info/desktop.html
什么时候更新电脑版？tina111 发表于 2024-12-27 10:58
什么时候更新电脑版？
这个离线版就是电脑版啊，直接装再电脑上，桌面快捷方式一键启动，就能愉快...
蓝牙客户端组件（SPP经典蓝牙）vs BluetoothLE拓展（低功耗蓝牙）基础代码...
...必须实现配对成功，才能显示在设备列表中。https://www.fun123.cn/reference/ ... tml#BluetoothClient
显示列表：
选设备：
断开当前连接的设备：
错误处理：
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BluetoothLE拓展（低功耗蓝牙），特点是无需配...
“AppInventor学院”App国内各大市场上架之旅 - App应用开发 - 清泛IT社区...
...如何访问及访问隐私权限的用途，可以参考：https://www.fun123.cn/static/privacy_policy.html
app启动时必须弹窗，展示上面的隐私政策网页，用户点同意才能继续，否则直接退出app。不仅如此，还需要在App界面上显式提供“隐私政策”...
Is there any particular difference between intval and casting to int - `(int) X`?
...ould be used as a second parameter (base 10 by default) :
var_dump((int)"0123", intval("0123"), intval("0123", 8));
will get you :
int 123
int 123
int 83
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Export query result to .csv file in SQL Server 2008
...out add the querytimeout so e.g. Invoke-Sqlcmd -ServerInstance MySQLserver123 -Query $QueryFmt -querytimeout 600 | Export-CSV $AttachmentPath
– Tilo
Apr 6 '17 at 16:44
1
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Why is it slower to iterate over a small string than a small list?
...rule out Tim Peter's 10-times-upvoted answer!
>>> foo = iterable[123]
>>> iterable[36] is foo
True
These are not new objects!
But this is worth mentioning: indexing costs. The difference will likely be in the indexing, so remove the iteration and just index:
>>> pytho...
Please explain some of Paul Graham's points on Lisp
...)
;; this is the interesting bit:
(println (str/replace-re #"\d+" "FOO" "a123b4c56"))
This snippet of Clojure code prints out aFOObFOOcFOO. Note that Clojure arguably does not fully satisfy the fourth point on your list, since read-time is not really open to user code; I will discuss what it would...
html - table row like a link
...hn Smith</a></td>
<td><a href="person1.html">123 Fake St</a></td>
<td><a href="person1.html">90210</a></td>
</tr>
<tr>
<td><a href="person2.html">Peter Nguyen</a></td>
<...
Good examples of Not a Functor/Functor/Applicative/Monad?
...fied. For example, fmap id ≠ id, because let (Q(f,_)) = fmap id (Q(read,"123")) in f "456" is 123, but let (Q(f,_)) = id (Q(read,"123")) in f "456" is 456.
In fact, F is only a profunctor, - it is neither a functor nor a contrafunctor.
A lawful functor that is not applicative because the type s...
How to capitalize the first letter in a String in Ruby
..."hello".capitalize #=> "Hello"
"HELLO".capitalize #=> "Hello"
"123ABC".capitalize #=> "123abc"
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