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Rails 4 - passing variable to partial
...then use it in the _user.html.erb partial:
<li>
<%= gravatar_for user, size: size %>
<%= link_to user.name, user %>
</li>
Note that size: size is equivalent to :size => size.
share
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Confusion between factor levels and factor labels
...vels were the 'real' name of factor levels, and labels were the names used for output (such as tables and plots). Obviously, this is not the case, as the following example shows:
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
...
Just for the record, REPLACE is not an option.
– Alix Axel
Nov 17 '12 at 3:43
1
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Operation on every pair of element in a list
... It does exactly what you describe.
import itertools
my_list = [1,2,3,4]
for pair in itertools.product(my_list, repeat=2):
foo(*pair)
This is equivalent to:
my_list = [1,2,3,4]
for x in my_list:
for y in my_list:
foo(x, y)
Edit: There are two very similar functions as well, pe...
in iPhone App How to detect the screen resolution of the device
...ntire screen's resolution in points, so it would most typically be 320x480 for iPhones. Even though the iPhone4 has a much larger screen size iOS still gives back 320x480 instead of 640x960. This is mostly because of older applications breaking.
CGFloat screenScale = [[UIScreen mainScreen] scale];
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How do I vertically center text with CSS? [duplicate]
...f69c55;
}
<div>
Hello World!
</div>
It only works for a single line of text though, because we set the line's height to the same height as the containing box element.
A more versatile approach
This is another way to align text vertically. This solution will work for a si...
Pushing from local repository to GitHub hosted remote
...I then created a remote repository in my GitHub account. Now, I am looking for how to push my local repository to the remote repository.
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How do I retrieve the number of columns in a Pandas data frame?
...tically retrieve the number of columns in a pandas dataframe? I was hoping for something like:
6 Answers
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Exclude a sub-directory using find
...i are you using bash shell? I just tested this on my terminal and it works for me. Try copy and pasting the solution instead if you made modifications to your script.
– sampson-chen
Nov 19 '12 at 19:30
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ConnectionTimeout versus SocketTimeout
...monitor the continuous incoming data flow. If the data flow is interrupted for the specified timeout the connection is regarded as stalled/broken. Of course this only works with connections where data is received all the time.
By setting socket timeout to 1 this would require that every millisecon...