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Why does one hot encoding improve machine learning performance?
... and used as training data for learning algorithms, it gives significantly better results with respect to prediction accuracy, compared to using the original matrix itself as training data. How does this performance increase happen?
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git diff renamed file
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The issue with the difference between HEAD^^ and HEAD is that you have an a.txt in both commits, so just considering those two commits (which is what diff does), there is no rename, there is a copy and a change.
To detect copies, you can use -C:
git dif...
RegEx for Javascript to allow only alphanumeric
... everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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Showing which files have changed between two revisions
I want to merge two branches that have been separated for a while and wanted to know which files have been modified.
18 Ans...
Footnotes for tables in LaTeX
When I do \footnote{} for a value in a table, the footnote doesn't show up. How do I get it to show up? Also, is it possible to get it to show up at the bottom of the table rather than the bottom of the page?
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Updating and committing only a file's permissions using git version control
Just turned an some.sh file into an executable ( chmod 755 ... ), the permissions were updated but not the content. Is there a way to commit the file into git, so that the executable bit will be restored/set on clone / checkout / pull ?
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How do you check that a number is NaN in JavaScript?
I’ve only been trying it in Firefox’s JavaScript console, but neither of the following statements return true:
30 Answe...
What vim plugins are available for Eclipse? [closed]
... know if there are others and what their advantages or disadvantages might be:
4 Answers
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Open files in 'rt' and 'wt' modes
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t refers to the text mode. There is no difference between r and rt or w and wt since text mode is the default.
Documented here:
Character Meaning
'r' open for reading (default)
'w' open for writing, truncating the file first
'x' open for exclusive creation, f...
git pull VS git fetch Vs git rebase
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It should be pretty obvious from your question that you're actually just asking about the difference between git merge and git rebase.
So let's suppose you're in the common case - you've done some work on your master branch, and you ...