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Easier way to populate a list with integers in .NET [duplicate]
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answered Feb 7 '11 at 20:46
Rion WilliamsRion Williams
67.4k3434 gold badges176176 silver badges296296 bronze badges
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Quickly reading very large tables as dataframes
... into R. See mnel's answer.
Using read_table in readr (on CRAN from April 2015). This works much like fread above. The readme in the link explains the difference between the two functions (readr currently claims to be "1.5-2x slower" than data.table::fread).
read.csv.raw from iotools provides a ...
Android - drawable with rounded corners at the top only
...on pretty much works.
– Aleks G
Jan 20 '12 at 9:33
How to do it in code, given a bitmap? And how to add outline (AKA s...
Scatterplot with too many points
...package implements features which were presented by Hadley Wickham back in 2011 (http://blog.revolutionanalytics.com/2011/10/ggplot2-for-big-data.html).
(In the following, I include the "points"-layer for illustration purposes.)
library(ggplot2)
library(ggsubplot)
# Make up some data
set.seed(955...
SparseArray vs HashMap
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int[] values;
int size;
}
Class = 12 + 3 * 4 = 24 bytes
Array = 20 + 1000 * 4 = 4024 bytes
Total = 8,072 bytes
HashMap:
class HashMap<K, V> {
Entry<K, V>[] table;
Entry<K, V> forNull;
int size;
int modCount;
int threshold;
Set<K> keys
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How can I set the default timezone in node.js?
...Z = 'Europe/Amsterdam'
'Europe/Amsterdam'
> d = new Date()
Sat, 24 Mar 2012 05:50:39 GMT
> d.toLocaleTimeString()
'06:50:39'
> ""+d
'Sat Mar 24 2012 06:50:39 GMT+0100 (CET)'
You can't change the timezone later though, since by then Node has already read the environment variable.
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How can I merge properties of two JavaScript objects dynamically?
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ECMAScript 2018 Standard Method
You would use object spread:
let merged = {...obj1, ...obj2};
merged is now the union of obj1 and obj2. Properties in obj2 will overwrite those in obj1.
/** There's no limit to the number of objects ...
How do I create an average from a Ruby array?
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20 Answers
20
Active
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diff current working copy of a file with another branch's committed copy
...sn't change.
– Kelvin
Sep 11 '14 at 20:24
9
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How to properly check if std::function is empty in C++11?
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edited Jun 20 '15 at 5:31
answered Feb 16 '14 at 2:56
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