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Creating threads - Task.Factory.StartNew vs new Thread()
...e correct Task Option.
You should prefer Task Parallel Library over explicit thread handling, as it is more optimized. Also you have more features like Continuation.
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Geometric Mean: is there a built-in?
...ion involving length(x) is necessary for the cases where x contains non-positive values.
gm_mean = function(x, na.rm=TRUE){
exp(sum(log(x[x > 0]), na.rm=na.rm) / length(x))
}
Thanks to @ben-bolker for noting the na.rm pass-through and @Gregor for making sure it works correctly.
I think some...
Call one constructor from another
...follow
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edited Aug 20 '19 at 18:13
AustinWBryan
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Could not reserve enough space for object heap
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Run the JVM with -XX:MaxHeapSize=512m (or any big number as you need) (or -Xmx512m for short)
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Which Android IDE is better - Android Studio or Eclipse? [closed]
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Working with Eclipse can be difficult at times, probably when debugging and designing layouts Eclipse sometimes get stuck and we have to restart Eclipse from time to time. Also you get problems with emulators.
Android studio was rel...
How to count the frequency of the elements in an unordered list?
...: You should sort the list before using groupby.
You can use groupby from itertools package if the list is an ordered list.
a = [1,1,1,1,2,2,2,2,3,3,4,5,5]
from itertools import groupby
[len(list(group)) for key, group in groupby(a)]
Output:
[4, 4, 2, 1, 2]
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Laravel: Get base url
Simple question, but the answer seems quite hard to come by. In Codeigniter, I could load the url helper and then simply do
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How does the following LINQ statement work?
...execution.
The query is actually executed when the query variable
is iterated over, not when the query variable is created.
This is called deferred execution.
-- Suprotim Agarwal, "Deferred vs Immediate Query Execution in LINQ"
There is another execution called Immediate Query Execut...
Python strptime() and timezones?
...o time.strptime doesn't work but if you strip off the " %Z" and the " EST" it does work. Also using "UTC" or "GMT" instead of "EST" works. "PST" and "MEZ" don't work. Puzzling.
It's worth noting this has been updated as of version 3.2 and the same documentation now also states the following:
Wh...
JavaFX and OpenJDK
I'm trying to decide whether I could switch to JavaFX for the user interface of my Java application. Most of my users would be using the Oracle JRE, which has JavaFX integrated these days. However, some are using OpenJDK (on linux). This (old) question suggests that OpenJDK deals very badly with J...