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  • 0 posts edited
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  • 504 votes cast
Mar
20
awarded  Popular Question
Jul
3
comment Deleting a line from a file
@AlbertRetey thank you, that is something I didn't consider! I will definitely do that.
Jul
3
comment Deleting a line from a file
Thank you! This is exactly what I was looking for :)
Jul
3
accepted Deleting a line from a file
Jul
2
comment Deleting a line from a file
Perhaps backup is a bad choice of words. I'm running a script on a cluster and it may be terminated so I want to periodically output the current state so that I can restart it from there. However I have a storage quota and each update is quite large so want to overwrite the previous update.
Jul
2
comment Deleting a line from a file
Thanks for your response! However, this doesn't overwrite the previous content.
Jul
2
asked Deleting a line from a file
May
17
awarded  Good Question
Apr
12
awarded  Yearling
Jan
20
comment How to reduce a quartic form to a quadratic form with equal roots
@halirutan sorry, I should have made that clear. It only needs to be positive when the variables have 0/1 values.
Jan
20
comment How to reduce a quartic form to a quadratic form with equal roots
@halirutan sorry that was a typo. It was meant to be (xy-zw-1)^2. The positivity is the main challenge of the question. I have cross posted the question on the maths stackexchange.
Jan
20
revised How to reduce a quartic form to a quadratic form with equal roots
Fixed typo
Jan
19
asked How to reduce a quartic form to a quadratic form with equal roots
Jan
6
answered Simplify binary expressions
Jan
5
accepted How to simplify Boolean expression
Jan
5
revised How to simplify Boolean expression
added 2 characters in body
Jan
5
asked How to simplify Boolean expression
Sep
24
awarded  Autobiographer
Aug
31
awarded  Notable Question
Jul
23
accepted Why isn't Refresh working as expected?