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App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网
... Disconnect 或 DisconnectWithAddress 引起的，或者在设备移开或重置以致发生连接丢失后引起的。
FloatsReceived – 当从连接的蓝牙设备接收到一个或多个 IEEE 754 浮点值时，将触发该事件。根据上次调用 ReadFloats 或 RegisterForFlo...
adb shell command to make Android package uninstall dialog appear
...ication with this command pm uninstall --user 0 <package.name>. 0 is root id -this way you don't need too root your device.
Here is an example how I did on my Huawei P110 lite
# gain shell access
$ adb shell
# check who you are
$ whoami
shell
# obtain user id
$ id
uid=2000(shell) gid=2000...
Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
...was due to merging a revision from a child folder rather doing this on the root folder. My issue was - I had performed the merge but the root folder hadn't recognised that the merge had happened, this meant that I had to manually update the mergeinfo prop with the missing revision numbers. NOT...
Facebook database design?
... has 100 friends, that means the table would contain 100'000'000'000 rows. MySQL partitioning?
– veidelis
Jun 4 '14 at 7:30
...
How to select rows that have current day's timestamp?
... the `` are important because timestamp (and date as in my case) is a MySQL reserved word
– Victor Ferreira
Jan 10 '15 at 19:39
...
Find a file in python
... this will find the first match:
import os
def find(name, path):
for root, dirs, files in os.walk(path):
if name in files:
return os.path.join(root, name)
And this will find all matches:
def find_all(name, path):
result = []
for root, dirs, files in os.walk(path)...
Getting View's coordinates relative to the root layout
Can I get a View's x and y position relative to the root layout of my Activity in Android?
10 Answers
...
How to secure MongoDB with username and password
...m where you got userAdminAnyDatabase from but it doesn't work. The role is root for admin access over all the dbs.
– Aakash Verma
Nov 15 '17 at 23:26
...
How to handle dependency injection in a WPF/MVVM application
...ar container = CreateContainer();
var viewModel = container.Resolve<RootViewModel>();
var window = new MainWindow { DataContext = viewModel };
window.Show();
}
}
This is based around an object graph of view-models rooted at the RootViewModel but you can inject some view-model ...
How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
...of do it with git filters:
Create/Open gitattributes file:
<project root>/.gitattributes (will be committed into repo)
OR
<project root>/.git/info/attributes (won't be committed into repo)
Add a line defining the files to be filtered:
*.rb filter=gitignore, i.e. run filter named g...