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Python read-only property
...sense for an attribute to be settable (such as a derived value, or a value read from some static datasource), the getter-only property is generally the preferred pattern.
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What is the Linux equivalent to DOS pause?
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read does this:
user@host:~$ read -n1 -r -p "Press any key to continue..." key
[...]
user@host:~$
The -n1 specifies that it only waits for a single character. The -r puts it into raw mode, which is necessary because other...
Reading a file line by line in Go
I'm unable to find file.ReadLine function in Go. I can figure out how to quickly write one, but I am just wondering if I'm overlooking something here. How does one read a file line by line?
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How do I prompt a user for confirmation in bash script? [duplicate]
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read -p "Are you sure? " -n 1 -r
echo # (optional) move to a new line
if [[ $REPLY =~ ^[Yy]$ ]]
then
# do dangerous stuff
fi
I incorporated levislevis85's suggestion (thanks!) and added the -n option to read to accept...
Linux bash: Multiple variable assignment
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First thing that comes into my mind:
read -r a b c <<<$(echo 1 2 3) ; echo "$a|$b|$c"
output is, unsurprisingly
1|2|3
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What are all the common ways to read a file in Ruby?
What are all the common ways to read a file in Ruby?
10 Answers
10
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How do I download a file over HTTP using Python?
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with urllib.request.urlopen('http://www.example.com/') as f:
html = f.read().decode('utf-8')
This is the most basic way to use the library, minus any error handling. You can also do more complex stuff such as changing headers.
On Python 2, the method is in urllib2:
import urllib2
response = ur...
Read specific columns from a csv file with csv module?
... in your for loop.
This is most likely the end of your code:
for row in reader:
content = list(row[i] for i in included_cols)
print content
You want it to be this:
for row in reader:
content = list(row[i] for i in included_cols)
print content
Now that we have covered your...
Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
How can I filter lines on load in Pandas read_csv function?
...o memory using pandas? This seems like an option that one should find in read_csv . Am I missing something?
5 Answers
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