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How to convert SQL Query result to PANDAS Data Structure?
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Edit: Mar. 2015
As noted below, pandas now uses SQLAlchemy to both read from (read_sql) and insert into (to_sql) a database. The following should work
import pandas as pd
df = pd.read_sql(sql, cnxn)
Previous answer:
Via mikebmassey from a similar question
import pyodbc
import pandas.io....
What is the difference between UTF-8 and Unicode?
...rs? You knew this is one character because I told you, but when a computer reads it, it has no idea. So we need some sort of "encoding" to tell the computer to treat it as one.
This is where the rules of 'UTF-8' comes in: http://www.fileformat.info/info/unicode/utf8.htm
Binary format of bytes in s...
scanf() leaves the new line char in the buffer
...hitespace either. The literal order has to match the next character to be read.
So you probably want " order = %d" there if you want to skip a newline from the previous line but still require a literal match on a fixed string, like this question.
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LPCSTR, LPCTSTR and LPTSTR
...string (const) | LPCSTR | LPCWSTR | LPCTSTR |
Bonus Reading
TCHAR → Text Char (archive.is)
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What does 'synchronized' mean?
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The synchronized keyword is all about different threads reading and writing to the same variables, objects and resources. This is not a trivial topic in Java, but here is a quote from Sun:
synchronized methods enable a simple
strategy for preventing thread
interfere...
Read logcat programmatically within application
I want to read and react to logcat logs within my application.
6 Answers
6
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Convert .pem to .crt and .key
...certificate .crt and private key .key files from a .pem file? I just read they are interchangable, but not how.
6 Ans...
decompiling DEX into Java sourcecode
...files
jd-gui to view the java files in the jar
The source code is quite readable as dex2jar makes some optimizations.
Procedure:
And here's the procedure on how to decompile:
Step 1:
Convert classes.dex in test_apk-debug.apk to test_apk-debug_dex2jar.jar
d2j-dex2jar.sh -f -o output_jar.jar apk_to...
Optimal number of threads per core
...eally parallelizable, so I can run chunks of it on an infinite number of threads and each thread takes the same amount of time.
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how to listen to N channels? (dynamic select statement)
...h approaches presented so far given the same input, a slice of channels to read from and a function to call for each value which also need to know which channel the value came from.
There are three main differences between the approaches:
Complexity. Although it may partially be a reader preferen...