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Add legend to ggplot2 line plot
... plot your data:
##Subset the necessary columns
dd_sub = datos[,c(20, 2,3,5)]
##Then rearrange your data frame
library(reshape2)
dd = melt(dd_sub, id=c("fecha"))
All that's left is a simple ggplot command:
ggplot(dd) + geom_line(aes(x=fecha, y=value, colour=variable)) +
scale_colour_manual(val...
How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
...er pandas:]
You could use the function isnull instead of the method:
In [56]: df = pd.DataFrame([range(3), [0, np.NaN, 0], [0, 0, np.NaN], range(3), range(3)])
In [57]: df
Out[57]:
0 1 2
0 0 1 2
1 0 NaN 0
2 0 0 NaN
3 0 1 2
4 0 1 2
In [58]: pd.isnull(df)
Out[58]:
...
How do I add files without dots in them (all extension-less files) to the gitignore file?
...guyễn Thái Ngọc Duy (pclouds) is trying to add this feature:
commit 506d8f1 for git v2.7.0, reverted in commit 76b620d git v2.8.0-rc0
commit 5e57f9c git v2.8.0-rc0,... reverted(!) in commit 5cee3493 git 2.8.0-rc4.
However, since one of the rules to re-inclusion was:
The directory part i...
Xcode 4.5 Storyboard 'Exit'
I have just installed Xcode 4.5 for iOS6 support, and I have seen a new icon called 'Exit' in my Storyboard, listed under my view controllers along with 'First Responder' etc. A little green icon labeled 'Exit'.
...
git push to specific branch
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ragerdl
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answered Oct 3 '13 at 8:36
Petr MensikPetr Mensik
...
How do you use bcrypt for hashing passwords in PHP?
..., rounds and key (password). [Source]
How to use bcrypt:
Using PHP >= 5.5-DEV
Password hashing functions have now been built directly into PHP >= 5.5. You may now use password_hash() to create a bcrypt hash of any password:
<?php
// Usage 1:
echo password_hash('rasmuslerdorf', PASSWORD_...
What is the difference between inversedBy and mappedBy?
...
159
mappedBy has to be specified on the inversed side of a (bidirectional) association
inversedBy ...
I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
...example, in the following master branch, I need to trash just the commit af5c7bf16e6f04321f966b4231371b21475bc4da, which is the second due to previous rebase:
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Applying a git post-commit hook to all current and future repos
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VonCVonC
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git shallow clone (clone --depth) misses remote branches
...|
edited May 19 '14 at 18:56
answered May 17 '14 at 11:01
F...