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Change column type from string to float in Pandas
...trying to be set on a copy of a slice from a DataFrame. Try using .loc[row_index,col_indexer] = value instead. This may have been introduced in a newer version of pandas and I don't see anything wrong as a result, but I just wonder what this warning is all about. Any idea?
– or...
How do I print out the contents of an object in Rails for easy debugging?
...onView::Helpers::DebugHelper
#app/view/controllers/post_controller.rb
def index
@posts = Post.all
end
#app/view/posts/index.html.erb
<%= debug(@posts) %>
#start your server
rails -s
results (in browser)
- !ruby/object:Post
raw_attributes:
id: 2
title: My Second Post
body: ...
What does it mean to hydrate an object?
...ail on the concept of Hydration, see Erick Robertson's answer on this same question.
With respect to the Java project called hydrate
You asked about this framework specifically, so I looked into it.
As best as I can tell, I don't think this project used the word "hydrate" in a very generic sense....
How to remove a directory from git repository?
...ory" links to the FAQ on this subject:
Currently the design of the git index
(staging area) only permits files to
be listed, and nobody competent enough
to make the change to allow empty
directories has cared enough about
this situation to remedy it.
Directories are added automati...
Split views.py in several files
...rl(r'^calendar/(?P<year>\d\d\d\d)/$', 'myproject.calendar.views.year.index')
url(r'^calendar/(?P<year>\d\d\d\d)/(?P<user>[a-z]+)/$', 'myproject.calendar.views.year.user')
This is, of course, assuming that you had views/year.py containing the functions index and user ;)
...
Java: Instanceof and Generics
Before I look through my generic data structure for a value's index, I'd like to see if it is even an instance of the type this has been parametrized to.
...
SQL: How to properly check if a record exists
... the Star operator will force the DBMS to access the clustered index instead of just the index(es) that will be needed for your join condition. so it's better to use a constant valua as result, i.e. select top 1 1 .... That will return 1 or DB-Null, depending on the condition is a match ...
How can I convert a zero-terminated byte array to string?
...suming your input doesn't have a null character embedded in it.
n := bytes.Index(byteArray, []byte{0})
Or as icza pointed out, you can use the code below:
n := bytes.IndexByte(byteArray, 0)
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...
onclick open window and specific size
...
<a href="/index2.php?option=com_jumi&amp;fileid=3&amp;Itemid=11"
onclick="window.open(this.href,'targetWindow',
`toolbar=no,
location=no,
...
Can I have an IF block in DOS batch file?
...is always true, because IF ERRORLEVEL <N> is true, if errorlevel is equal or greater <N>, the "==" are ignored in this case
– jeb
Feb 13 '11 at 15:50
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