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How to check an Android device is HDPI screen or MDPI screen?
...'s HDPI
// return 2.0 if it's XHDPI
// return 3.0 if it's XXHDPI
// return 4.0 if it's XXXHDPI
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For each row return the column name of the largest value
...ample reproducible):
DF <- data.frame(V1=c(2,8,1),V2=c(7,3,5),V3=c(9,6,4))
colnames(DF)[apply(DF,1,which.max)]
[1] "V3" "V1" "V2"
A faster solution than using apply might be max.col:
colnames(DF)[max.col(DF,ties.method="first")]
#[1] "V3" "V1" "V2"
...where ties.method can be any of "rando...
How do I check if a number is positive or negative in C#?
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juancazalla
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answered Nov 4 '10 at 17:25
Simon FischerSimon Fischer
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Version of SQLite used in Android?
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482
UPDATE OCT 2016: Here is a link to the updated official docs which includes the main points in...
What does T&& (double ampersand) mean in C++11?
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Does Swift support reflection?
...ple"
From mchambers gist, here:
https://gist.github.com/mchambers/fb9da554898dae3e54f2
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How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
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The Easy Way
If you're a typical developer, you can install the easy way, using instructions at...
Most concise way to convert a Set to a List
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List<String> list = new ArrayList<String>(listOfTopicAuthors);
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Bash empty array expansion with `set -u`
...]+"${arr[@]}"} (column +"). Of note, several other expansions fail in Bash 4.2, including (unfortunately) the shorter ${arr[@]:0} idiom, which doesn't just produce an incorrect result but actually fails. If you need to support versions prior to 4.4, and in particular 4.2, this is the only working id...
What happens to git commits created in a detached HEAD state?
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answered Apr 2 '12 at 21:40
Dietrich EppDietrich Epp
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