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使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
...设备的功能。 这些块扫描设备提供的服务和特征，并在列表中返回这些服务和特征。
此外，为了提供灵活性并扩大对更多设备的支持，BluetoothLE 组件的开发包含允许用户从检测到的服务和特征的整个列表中选择特定服务或特征...
Assign pandas dataframe column dtypes
...ally parse into a list of lists, as the file was not amenable for pd.read_csv )
6 Answers
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Alter MySQL table to add comments on columns
...a = 'my_database_name'
ORDER BY table_name , column_name
Export all to a CSV
Open it on your favorite csv editor
Note: You can improve to only one table if you prefer
The solution given by @Rufinus is great but if you have auto increments it will break it.
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Sublime Text 3能用支持的插件推荐 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...：https://github.com/jeewood/gbk4subl
Tradsim 中文繁字体和简体字转换
Tradsim是一款能把中文的繁字体和简体字互相转换的插件，只支持UTF-8编码，虽然觉得有点鸡肋，但还是介绍出来给需要的朋友吧，安装插件，因为插件包里没快捷键...
what is the difference between OLE DB and ODBC data sources?
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No, with ODBC you can query even flat CSV-Files, not only relational databases.
– Wernfried Domscheit
Mar 9 '16 at 12:02
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MySQL indexes - what are the best practices?
...e rows of a table.
For simplicity's sake, imagine a table is just a big CSV file. Whenever a row is inserted, it's inserted at the end. So the "natural" ordering of the table is just the order in which rows were inserted.
Imagine you've got that CSV file loaded up in a very rudimentary spreads...
How do I Sort a Multidimensional Array in PHP [duplicate]
I have CSV data loaded into a multidimensional array. In this way each "row" is a record and each "column" contains the same type of data. I am using the function below to load my CSV file.
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Build the full path filename in Python
...-8
# import netCDF4 as nc
import numpy as np
import numpy.ma as ma
import csv as csv
import os.path
import sys
basedir = '/data/reu_data/soil_moisture/'
suffix = 'nc'
def read_fid(filename):
fid = nc.MFDataset(filename,'r')
fid.close()
return fid
def read_var(file, varname):
fi...
Download file from an ASP.NET Web API method using AngularJS
... element.attr({
href: 'data:attachment/csv;charset=utf-8,' + encodeURI(atob(response.payload)),
target: '_blank',
download: fname
})[0].click();
If attr method not working in Fire...
ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...机器名，而 Publisher 端通过白名单的方式，维护一个机器列表，当机器列表中所有的机器连接上来以后，通过 5561 端口，将最新的配置信息发送出去。
后续的处理，Subscriber 可以选择将配置信息写入到 APC 缓存，程序将始终从缓...