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Read a zipped file as a pandas DataFrame
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If you want to read a zipped or a tar.gz file into pandas dataframe, the read_csv methods includes this particular implementation.
df = pd.read_csv('filename.zip')
Or the long form:
df = pd.read_csv('filename.zip', compression='zip'...
How to read a large file line by line?
I want to read a file line by line, but without completely loading it in memory.
14 Answers
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read subprocess stdout line by line
...t I think the problem is with the statement for line in proc.stdout, which reads the entire input before iterating over it. The solution is to use readline() instead:
#filters output
import subprocess
proc = subprocess.Popen(['python','fake_utility.py'],stdout=subprocess.PIPE)
while True:
line = ...
How do I read the first line of a file using cat?
How do I read the first line of a file using cat ?
10 Answers
10
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How to read a .xlsx file using the pandas Library in iPython?
I want to read a .xlsx file using the Pandas Library of python and port the data to a postgreSQL table.
6 Answers
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How do I read CSV data into a record array in NumPy?
... the contents of a CSV file into a record array, much in the way that R's read.table() , read.delim() , and read.csv() family imports data to R's data frame?
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Is the NOLOCK (Sql Server hint) bad practice?
...h NOLOCK hint, the transaction isolation level for the SELECT statement is READ UNCOMMITTED. This means that the query may see dirty and inconsistent data.
This is not a good idea to apply as a rule. Even if this dirty read behavior is OK for your mission critical web based application, a NOLOCK s...
Volatile vs. Interlocked vs. lock
...at a class has a public int counter field that is accessed by multiple threads. This int is only incremented or decremented.
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How do I write JSON data to a file?
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btw: to re read the data use: with open('data.txt') as infile: d = json.load(infile). See: this answer
– klaas
Mar 7 '16 at 12:59
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Read file from line 2 or skip header row
How can I skip the header row and start reading a file from line2?
8 Answers
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