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What is an invariant?
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Links? Technical jargon? READING? WTF? ;) Seriously though, good link, but a little summary would be nice.
– Dustman
Sep 21 '08 at 20:57
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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
20
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How to read file contents into a variable in a batch file?
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Read file contents into a variable:
for /f "delims=" %%x in (version.txt) do set Build=%%x
or
set /p Build=<version.txt
Both will act the same with only a single line in the file, for more lines the for variant will ...
How to set timeout for http.Get() requests in Golang?
...mer remains running after Get, Head, Post, or Do return and will interrupt reading of the Response.Body. So does that mean that either Get or reading Response.Body could be interrupted by an error?
– Avi Flax
Jul 27 '15 at 22:41
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How to search and replace text in a file?
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fileinput already supports inplace editing. It redirects stdout to the file in this case:
#!/usr/bin/env python3
import fileinput
with fileinput.FileInput(filename, inplace=True, backup='.bak') as file:
for line in file:
pr...
How do I read an attribute on a class at runtime?
I am trying to create a generic method that will read an attribute on a class and return that value at runtime. How do would I do this?
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Count how many records are in a CSV Python?
I'm using python (Django Framework) to read a CSV file. I pull just 2 lines out of this CSV as you can see. What I have been trying to do is store in a variable the total number of rows the CSV also.
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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...
How to ignore the first line of data when processing CSV data?
..., 'r', newline='') as file:
has_header = csv.Sniffer().has_header(file.read(1024))
file.seek(0) # Rewind.
reader = csv.reader(file)
if has_header:
next(reader) # Skip header row.
column = 1
datatype = float
data = (datatype(row[column]) for row in reader)
le...
Import text file as single character string
...s the correct size instead of a hard-coded size:
fileName <- 'foo.txt'
readChar(fileName, file.info(fileName)$size)
Note that readChar allocates space for the number of bytes you specify, so readChar(fileName, .Machine$integer.max) does not work well...
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