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How to identify numpy types in python?
...fferent data types, this small check can serve as a quick test before your start some numpy vectorized operation.
##################
# important part!
##################
import numpy as np
####################
# toy array for demo
####################
arr = np.asarray(range(1,100,2))
#######...
OSGi: What are the differences between Apache Felix and Apache Karaf?
...izes.
Really, for 99% of the projects out there it wouldn't make sense to start directly with Felix and not use Karaf instead.
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follow
...
Including another class in SCSS
...:
[class^="your-class-name"]{
//your style here
}
Whereas every class starting with "your-class-name" uses this style.
So in your case, you could do it like so:
[class^="class"]{
display: inline-block;
//some other properties
&:hover{
color: darken(#FFFFFF, 10%);
}
}
.class-b...
What is the difference between sites-enabled and sites-available directory?
...is symlinked, the site
configured by it will be active once Apache2 is restarted.
See here https://help.ubuntu.com/lts/serverguide/httpd.html
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...
dplyr: “Error in n(): function should not be called directly”
...e = "lag_value", -c(Stock,Date, Close)) %>%
mutate(lag = str_sub(lag, start = 5) %>% as.numeric) %>%
group_by(Stock, lag) %>%
summarize(
cor = cor(x = Close, y = lag_value, use = "pairwise.complete.obs"),
cutoff_upper = 2/(n())^0.5,
cutoff_lower = -2/(n())^0.5
)
Pos...
Negative weights using Dijkstra's Algorithm
...if you were to store back pointers saying how to get from each node to the start node A, you'd end taking the wrong path back from C to A.
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follo...
AngularJs “controller as” syntax - clarification?
...ngular 2.0, or at least how we view the use of $scope. It might be good to start using controller as as the release of 2.0 nears.
Video link here for more discussion on it.
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Webstorm: “Cannot Resolve Directory”
This is starting to bug me and I'd either like it turned off or fixed. So Webstorm has a sweet feature in it's HTML parser that will attempt to resolve directories in strings that are supposed to reference a file in your project. For example:
...
What is LINQ and what does it do? [closed]
...deration of the underlying way in which the query will be executed.
Let's start this exploration with the parts belonging to the .NET Framework (3.5).
LINQ To Objects - examine System.Linq.Enumerable for query methods. These target IEnumerable<T>, allowing any typed loopable collection to b...
How to sync with a remote Git repository?
...
typo in commands, I think, you start with original, then switch to origin
– Benjol
Nov 30 '10 at 12:43
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