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App Inventor 2 BLE扩展源码分析 - WriteBytes vs WriteStrings 23字节硬编...
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- BluetoothLE.java（2975行）-- 公开API层
- BluetoothLEint.java（3165行）-- 内部实现层
二、核心发现：23字节硬编码限制
2.1 WriteStrings 的写入路径
位于 BLEWriteOperation.write() 方法第678-690行：
if (mClass == String.class) {
byte[]...
Oracle TNS names not showing when adding new connection to SQL Developer
...g location in this order for a tnsnames.ora file
$HOME/.tnsnames.ora
$TNS_ADMIN/tnsnames.ora
TNS_ADMIN lookup key in the registry
/etc/tnsnames.ora ( non-windows )
$ORACLE_HOME/network/admin/tnsnames.ora
LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME_KEY
LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME
To see...
How to completely uninstall Visual Studio 2010?
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Update April 2016 - for VS2013+
Microsoft started to address the issue in late 2015 by releasing VisualStudioUninstaller.
They abandoned the solution for a while; however work has begun again again as of April 2016.
There has finally been an official rel...
Creating an empty Pandas DataFrame, then filling it?
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350
Here's a couple of suggestions:
Use date_range for the index:
import datetime
import pandas ...
What's the purpose of using braces (i.e. {}) for a single-line if or loop?
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23 Answers
23
Active
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Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
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edited May 23 '17 at 12:02
Community♦
111 silver badge
answered Jul 5 '11 at 20:21
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How to TryParse for Enum value?
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31
As others have said, you have to implement your own TryParse. Simon Mourier is providing a full...
How does this giant regex work?
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163
This is not entirely a regular expression. The regex is /.*/, which basically means "match ev...
How to convert a string of numbers to an array of numbers?
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39
My 2 cents for golfers:
b="1,2,3,4".split`,`.map(x=>+x)
backquote is string litteral so w...
How can I convert comma separated string into a List
...inkenlight
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