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node.js: read a text file into an array. (Each line an item in the array.)
I would like to read a very, very large file into a JavaScript array in node.js.
13 Answers
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How can I read numeric strings in Excel cells as string (not numbers)?
What can I do to read the value as string?
20 Answers
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How to parse Excel (XLS) file in Javascript/HTML5
I am able to read Excel file via FileReader but it outputs text as well as weird characters with it. I need to read xls file row-wise, read data in every column and convert it to JSON.
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CSV new-line character seen in unquoted field error
...sv file itself, but this might work for you, give it a try, replace:
file_read = csv.reader(self.file)
with:
file_read = csv.reader(self.file, dialect=csv.excel_tab)
Or, open a file with universal newline mode and pass it to csv.reader, like:
reader = csv.reader(open(self.file, 'rU'), dialect...
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...
Iterate over a list of files with spaces
... word-based iteration with a line-based one:
find . -iname "foo*" | while read f
do
# ... loop body
done
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How do I programmatically change file permissions?
...Permissions.fromString() will uses a conventional format that will be more readable to many developers. For APIs that accept a FileAttribute, you can wrap the set of permissions with with PosixFilePermissions.asFileAttribute().
Set<PosixFilePermission> ownerWritable = PosixFilePermissions.fro...
What is the difference between char s[] and char *s?
... here is that
char *s = "Hello world";
will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = "Hello world";
puts the literal string in read-only memory and copies the string t...
Reading JSON from a file?
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The json.load() method (without "s" in "load") can read a file directly:
import json
with open('strings.json') as f:
d = json.load(f)
print(d)
You were using the json.loads() method, which is used for string arguments only.
Edit:
The new message is a totally dif...
How to read a (static) file from inside a Python package?
Could you tell me how can I read a file that is inside my Python package?
8 Answers
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