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Read only the first line of a file?
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Use the .readline() method (Python 2 docs, Python 3 docs):
with open('myfile.txt') as f:
first_line = f.readline()
Some notes:
As noted in the docs, unless it is the only line in the file, the string returned from f.readline() will contain a trailing ...
Rename all files in directory from $filename_h to $filename_half?
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edited Aug 26 '16 at 22:11
sclarson
4,20133 gold badges2929 silver badges4343 bronze badges
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How to get a value from a cell of a dataframe?
...value using the column name:
In [3]: sub_df
Out[3]:
A B
2 -0.133653 -0.030854
In [4]: sub_df.iloc[0]
Out[4]:
A -0.133653
B -0.030854
Name: 2, dtype: float64
In [5]: sub_df.iloc[0]['A']
Out[5]: -0.13365288513107493
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How to remove frame from matplotlib (pyplot.figure vs matplotlib.figure ) (frameon=False Problematic
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edited Sep 16 '15 at 12:46
answered Feb 16 '13 at 18:03
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How to Convert all strings in List to lower case using LINQ?
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182
Easiest approach:
myList = myList.ConvertAll(d => d.ToLower());
Not too much different tha...
Eclipse: Files opened by multiple searches using same editor tab
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2 Answers
2
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The Android emulator is not starting, showing “invalid command-line parameter”
...location path in Eclipse is in C:\Program Files (x86)\ change to C:\PROGRA~2\.
If you are running 32-bit Windows, C:\Program Files\, change the path to C:\PROGRA~1\.
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Git push failed, “Non-fast forward updates were rejected”
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12 Answers
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Count the occurrences of DISTINCT values
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edited Jan 24 at 4:20
Gruber
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answ...