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How to filter None's out of List[Option]?
...ten wants to work with these elements and not just flatten the list out of fun.
– Frank
Apr 11 '12 at 11:38
Yes, I hes...
Connect to a locally built Jekyll Server using mobile devices in the LAN
...er using jekyll serve on one machine, a WEBrick server is set up and the site can be accessed from localhost:4000 on this particular PC.
...
How to escape double quotes in a title attribute
...#064 | at sign @
&#093 | right bracket ]
&#123 | left curly brace {
&#125 | right curly brace }
&#133 | ellipsis …
&#135 | double dagger ‡
&#146 | right single quote ’
&#148 ...
How to get the absolute coordinates of a view
...
Now that's the kind of function I expected to find. Unfortunately, I must not be using it properly. I realise it was a known bug that getLocationOnScreen gives a null pointer exception in Android v1.5 (the platform I'm coding for), but testing in v...
How do I determine k when using k-means clustering?
...ering
n = 150
g = 6
set.seed(g)
d <- data.frame(x = unlist(lapply(1:g, function(i) rnorm(n/g, runif(1)*i^2))),
y = unlist(lapply(1:g, function(i) rnorm(n/g, runif(1)*i^2))))
mydata<-d
#Plot 3X2 plots
attach(mtcars)
par(mfrow=c(3,2))
#Plot the original dataset
plot(mydata$x,m...
How do you decompile a swf file [closed]
I am the maintainer of a site that has allegedly 'lost' the source code to a flash swf file. How do I decompile this source?
...
Compare JavaScript Array of Objects to Get Min / Max
... etc.) on an array of objects, and return a single result:
myArray.reduce(function(prev, curr) {
return prev.Cost < curr.Cost ? prev : curr;
});
...or you can define that inner function with ES6 function syntax:
(prev, curr) => prev.Cost < curr.Cost ? prev : curr
If you want to be...
How to manage local vs production settings in Django?
...tings (such as MEDIA_ROOT or ADMIN), while local.py and production.py have site-specific settings:
In the base file settings/base.py:
INSTALLED_APPS = (
# common apps...
)
In the local development settings file settings/local.py:
from project.settings.base import *
DEBUG = True
INSTALLED_A...
Difference between array_push() and $array[] =
...
@testing123 Absolutely not. It's a good practice to use the most efficient solution available at hand, unless it severely cripples readability, compatibility, etc (or if you need to obey certain style guides).
–...
Why is Dictionary preferred over Hashtable in C#?
...
Fun. The Dictionary<T> source code looks a lot cleaner and faster. It might be better to use Dictionary and implement your own synchronization. If the Dictionary reads absolutely need to be current, then you'd simply ...