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Python data structure sort list alphabetically
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Using the second example on a pymongo find_one() result from a MongoDB database, I get error: descriptor 'lower' requires a 'str' object but received a 'unicode'. The result is an array of strings and implemented like this: results['keywords'] = sorted(keywords['keywords'], ...
Run an OLS regression with Pandas Data Frame
...B": [20, 30, 10, 40, 50], "C": [32, 234, 23, 23, 42523]})
>>> result = sm.ols(formula="A ~ B + C", data=df).fit()
>>> print(result.params)
Intercept 14.952480
B 0.401182
C 0.000352
dtype: float64
>>> print(result.summary())
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AWS S3: how do I see how much disk space is using
...o AWS CLI allows you to recursively ls through buckets...
aws s3 ls s3://<bucketname> --recursive | grep -v -E "(Bucket: |Prefix: |LastWriteTime|^$|--)" | awk 'BEGIN {total=0}{total+=$3}END{print total/1024/1024" MB"}'
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Javascript: Round up to the next multiple of 5
...alue (ranging from 2 to 5 digits in length) that rounds up to the next multiple of 5 instead of the nearest multiple of 5. Here is what I got:
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Add new row to dataframe, at specific row-index, not appended?
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Here's a solution that avoids the (often slow) rbind call:
existingDF <- as.data.frame(matrix(seq(20),nrow=5,ncol=4))
r <- 3
newrow <- seq(4)
insertRow <- function(existingDF, newrow, r) {
existingDF[seq(r+1,nrow(existingDF)+1),] <- existingDF[seq(r,nrow(existingDF)),]
existin...
ERROR 2006 (HY000): MySQL server has gone away
...s on the command line, which will avoid temporarily editing a system file:<code>mysql --max_allowed_packet=1GM</code>
– Jan Steinman
Feb 13 '15 at 7:45
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Traits in PHP – any real world examples/best practices? [closed]
... function foo() {}
}
class B extends A
{
use T;
}
The above will result in an error (demo). Likewise, any methods declared in the trait that are also already declared in the using class will not get copied into the class, e.g.
trait T {
public function foo() {
return 1;
}
}
class A { ...
API Versioning for Rails Routes
...r since to use namespaces and to use 301 redirects -- rather than the default of 302. Thanks to pixeltrix and Bo Jeanes for the prompting on those things.
You might want to wear a really strong helmet because this is going to blow your mind.
The Rails 3 routing API is super wicked. To write the...
WPF: How to display an image at its original size?
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Try not specifying width or height, use it like this instead:
<Image Source="/images/user_add.png" Stretch="None" HorizontalAlignment="Center" VerticalAlignment="Center" />
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Delete last commit in bitbucket
...fferent commands) depending on the CVS you're using:
On git:
git revert <commit>
On mercurial:
hg backout <REV>
EDIT:
The revert operation creates a new commit that does the opposite than the reverted commit (e.g. if the original commit added a line, the revert commit deletes that...