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Convert Unix timestamp into human readable date using MySQL

... no TO_UNIXTIME, but instead UNIX_TIMESTAMP. – Olle Härstedt May 22 at 12:45 add a comment  |  ...
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How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII

...ipedia articles, the most common non-ASCII characters are ·•–é°®’èö—. Based on this fact, The bytes 0x92, 0x95, 0x96, 0x97, 0xAE, 0xB0, 0xB7, 0xE8, 0xE9, or 0xF6 suggest windows-1252. The bytes 0x8E, 0x8F, 0x9A, 0xA1, 0xA5, 0xA8, 0xD0, 0xD1, 0xD5, or 0xE1 suggest MacRoman. Count u...
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adding noise to a signal in python

...,2) # in your case you need to replace this with # clean_signal = pd.read_csv("your_data.csv") clean_signal = pd.DataFrame([[1,2],[3,4]], columns=list('AB'), dtype=float) print(clean_signal) """ print output: A B 0 1.0 2.0 1 3.0 4.0 """ import numpy as np mu, sigma = 0, 0.1 # crea...
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A simple explanation of Naive Bayes Classification

...exactly answers that question. Just create a file called named new_dataset.csv and paste the following content. Age,Income,Student,Creadit_Rating,Buys_Computer <=30,high,no,fair,no <=30,high,no,excellent,no 31-40,high,no,fair,yes >40,medium,no,fair,yes >40,low,yes,fair,yes >40,low,yes...
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Pseudo-terminal will not be allocated because stdin is not a terminal

...ize the content of $1 at all. – Cristian Matthias Ambæk Aug 26 '16 at 9:33 1 @mklement0 Sure, yo...
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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...
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Simulator or Emulator? What is the difference?

...r, appearance or properties of". Not much difference. Emulation comes from æmulus, "striving, rivaling," and is related to "imitate" and "image," which suggests a surface-lever resemblance. "Simulation" comes from similis "like", as does the word "similar," which perhaps suggests a deeper congruenc...
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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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what is the difference between OLE DB and ODBC data sources?

... No, with ODBC you can query even flat CSV-Files, not only relational databases. – Wernfried Domscheit Mar 9 '16 at 12:02 ...