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AppInventor写二进制文件 - App应用开发 - 清泛IT社区，为创新赋能！
默认情况下，文件组件都是处理文本的，不能直接处理二进制。
使用拓展可以写二进制文件：https://www.fun123.cn/reference/iot/bytearray.html
蓝牙等组件返回的字节列表（list），目前不能直接追加到拓展中，可以采用遍历字节列...
AppInventor2 解析json数据技巧 - App应用开发 - 清泛IT社区，为创新赋能！
{
"code": 0,
"data": [
{
"identifier": "CH4",
"time": 1762406563579,
"value": "6.9",
&qu...
Extract subset of key-value pairs from Python dictionary object?
...works in 2.7 too):
{k: bigdict[k] for k in ('l', 'm', 'n')}
Update: As Håvard S points out, I'm assuming that you know the keys are going to be in the dictionary - see his answer if you aren't able to make that assumption. Alternatively, as timbo points out in the comments, if you want a key tha...
Does PostgreSQL support “accent insensitive” collations?
... unaccent() always substitutes a single letter:
SELECT unaccent('Œ Æ œ æ ß');
unaccent
----------
E A e a S
You will love this update to unaccent in Postgres 9.6:
Extend contrib/unaccent's standard unaccent.rules file to handle all
diacritics known to Unicode, and expand ligatures cor...
AppInventor2中的二进制数据以什么样的形式传递？字节列表、字节数组是什么...
1、byte[] 类型（字节数组）的字段：App Inventor 无法直接处理字节数组，但它们可以作为扩展之间的通用 Object 类型变量进行交换。
MQTT拓展中的字节数组的处理方式就是这种，直接转换成byte[]：
@SimpleFunction(description = "Publishe...
Filling a DataSet or DataTable from a LINQ query result set
...wered Aug 15 '08 at 16:42
Lars MæhlumLars Mæhlum
5,86633 gold badges2424 silver badges3232 bronze badges
...
App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...其他应用程序来组合应用程序，简单说就是可以让我们在appinventor里面直接调用手机上已经安装的其他程序，比如相机、地图等。
（2)属性
Action属性：android.intent.action.VIEW
DataUri属性：这是调用其他程序的关键属性，可在程序...
Set breakpoint in C or C++ code programmatically for gdb on Linux
... answered Dec 1 '10 at 16:22
Håvard SHåvard S
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...
SQL to LINQ Tool [closed]
...
Looks like it's had no support for 2½ years. I could not even install Linqer correctly. Failed on me with an error: "Not suppported Entity Framework version 0", spelling mistake & all.
– user1040323
Sep 28 '18 at 15:...
How to find the foreach index?
... edited Dec 14 '17 at 3:16
buræquete
12.5k44 gold badges3131 silver badges6262 bronze badges
answered Sep 26 '08 at 18:25
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