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What is the difference between save and insert in Mongo DB?
...e save will do -> It will do normal insertion
upsert to insert.Now in this case as insert() do.
what that means, it means
take the document and replace
the complete document having same
_id.
Let us consider the two cases here for insert:-
1) Having _id of...
Which websocket library to use with Node.js? [closed]
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Nice list of all available option after death of now.js
– Rahul Prasad
Jun 15 '14 at 22:19
@...
Unicode character in PHP string
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@Gumbo: I know that but it doesn't make any difference in here. Javascript as well as JSON support the \uxxxx Unicode syntax so you can use json_decode to work on an artifically created JSON string representation. I changed the wording ...
How can I find out if I have Xcode commandline tools installed?
...
if you want to know the install version of Xcode as well as Swift
language current version:
Use below simple command by using Terminal:
1. To get install Xcode Version
xcodebuild -version
2. To get install Swift language Version
sw...
python setup.py uninstall
...d also undo any other stuff that installation did manually.
If you don't know the list of all files, you can reinstall it with the --record option, and take a look at the list this produces.
To record a list of installed files, you can use:
python setup.py install --record files.txt
Once you wa...
Any way to clear python's IDLE window?
I know there's a similar topic about python console, but I do not know if they are the same. I tried system("clear") and it didn't work here.
...
SVN Commit specific files
...he svn command read the list of files to commit from a file:
$ svn ci -m "Now works" --targets fix4711.txt
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ggplot: How to increase spacing between faceted plots?
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Due to another update, the incantation is now theme(panel.margin = unit(2, "lines"))
– David J. Harris
Nov 8 '16 at 16:49
14
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Label encoding across multiple columns in scikit-learn
...commended way is
OneHotEncoder().fit_transform(df)
as the OneHotEncoder now supports string input.
Applying OneHotEncoder only to certain columns is possible with the ColumnTransformer.
EDIT:
Since this answer is over a year ago, and generated many upvotes (including a bounty), I should probabl...
How do you downgrade rubygems?
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Updated November 2011: Now that RVM's out, try running rvm install rubygems <version>.
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