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How to avoid Python/Pandas creating an index in a saved csv?
...x=False)
Or you can save your dataframe as it is with an index, and while reading you just drop the column unnamed 0 containing your previous index.Simple!
df.to_csv(' file_name.csv ')
df_new = pd.read_csv('file_name.csv').drop(['unnamed 0'],axis=1)
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How to study design patterns? [closed]
I have read around 4-5 books on design patterns, but still I don't feel I have come closer to intermediate level in design patterns?
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How do I prompt for Yes/No/Cancel input in a Linux shell script?
...nd most widely available method to get user input at a shell prompt is the read command. The best way to illustrate its use is a simple demonstration:
while true; do
read -p "Do you wish to install this program?" yn
case $yn in
[Yy]* ) make install; break;;
[Nn]* ) exit;;
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Easiest way to read from and write to files
There are a lot of different ways to read and write files ( text files , not binary) in C#.
12 Answers
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Is there a read-only generic dictionary available in .NET?
I'm returning a reference to a dictionary in my read only property. How do I prevent consumers from changing my data? If this were an IList I could simply return it AsReadOnly . Is there something similar I can do with a dictionary?
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live output from subprocess command
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You have two ways of doing this, either by creating an iterator from the read or readline functions and do:
import subprocess
import sys
with open('test.log', 'w') as f: # replace 'w' with 'wb' for Python 3
process = subprocess.Popen(your_command, stdout=subprocess.PIPE)
for c in iter(la...
How to assign a heredoc value to a variable in Bash?
...oid a useless use of cat and handle mismatched quotes better with this:
$ read -r -d '' VAR <<'EOF'
abc'asdf"
$(dont-execute-this)
foo"bar"''
EOF
If you don't quote the variable when you echo it, newlines are lost. Quoting it preserves them:
$ echo "$VAR"
abc'asdf"
$(dont-execute-this)
foo...
How to read an external local JSON file in JavaScript?
...d a JSON file in my local system and created a JavaScript file in order to read the JSON file and print data out. Here is the JSON file:
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How do I mock an open used in a with statement (using the Mock framework in Python)?
...nittest.mock import patch, mock_open
with patch("builtins.open", mock_open(read_data="data")) as mock_file:
assert open("path/to/open").read() == "data"
mock_file.assert_called_with("path/to/open")
If you want to use patch as a decorator, using mock_open()'s result as the new= argument to p...
What is the difference between connection and read timeout for sockets?
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1) What is the difference between connection and read timeout for sockets?
The connection timeout is the timeout in making the initial connection; i.e. completing the TCP connection handshake. The read timeout is the timeout on waiting to read data1. Specifically, if th...