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How can I get stock quotes using Google Finance API?
... very simple and useful.
For instance:
http://finance.yahoo.com/d/quotes.csv?s=GOOG+AAPL&f=snl1
Full details here:
http://www.gummy-stuff.org/Yahoo-data.htm
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...下：
扫描蓝牙设备，代码如下：
扫描完成后，设备列表展示到“列表显示框”组件中：
点击列表中的目标设备（一般硬件文档会有说明，名称会有特别的标识），连接蓝牙设备的代码如下：
蓝牙App控制硬件
开始控制...
DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
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函数
ShowMenu 显示菜单(组件,菜单项列表)
显示绑定到指定组件的弹出菜单。
组件：组件类型，要绑定菜单的组件
菜单项列表：列表类型，菜单项文本列表
AddMenuItem 添加菜单项(组件,菜...
Split a string by a delimiter in python
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You may be interested in the csv module, which is designed for comma-separated files but can be easily modified to use a custom delimiter.
import csv
csv.register_dialect( "myDialect", delimiter = "__", <other-options> )
lines = [ "MATCHES__STRING...
Why does csvwriter.writerow() put a comma after each character?
...the /names at the end and opens the page and prints the string to test1.csv :
3 Answers
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How can I split a comma delimited string into an array in PHP?
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If that string comes from a csv file, I would use fgetcsv() (or str_getcsv() if you have PHP V5.3). That will allow you to parse quoted values correctly. If it is not a csv, explode() should be the best choice.
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Using curl to upload POST data with files
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if you are uploading binary file such as csv, use below format to upload file
curl -X POST \
'http://localhost:8080/workers' \
-H 'authorization: eyJhbGciOiJIUzI1NiIsInR5cCI6ImFjY2VzcyIsInR5cGUiOiJhY2Nlc3MifQ.eyJ1c2VySWQiOjEsImFjY291bnRJZCI6MSwiaWF0IjoxNTEx...
How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
...from the read() line, then you've probably used the wrong encoding value.
CSV Files
The Python 2.7 CSV module does not support non-ASCII characters ????. Help is at hand, however, with https://pypi.python.org/pypi/backports.csv.
Use it like above but pass the opened file to it:
from backports im...
Heatmap in matplotlib with pcolor?
... np
%pylab inline
page = urlopen("http://datasets.flowingdata.com/ppg2008.csv")
nba = pd.read_csv(page, index_col=0)
# Normalize data columns
nba_norm = (nba - nba.mean()) / (nba.max() - nba.min())
# Sort data according to Points, lowest to highest
# This was just a design choice made by Yau
# in...
Sorting a Python list by two fields
I have the following list created from a sorted csv
7 Answers
7
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