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Fastest way to find second (third…) highest/lowest value in vector or column
... min lq mean median uq max neval
Rfast 160.364 179.607 202.8024 194.575 210.1830 351.517 100
maxN 396.419 423.360 559.2707 446.452 487.0775 4949.452 100
order 1288.466 1343.417 1746.7627 1433.221 1500.7865 13768.148 100
For 1 million numbers:
N...
What is in your Mathematica tool bag? [closed]
...parseArray all with the one liner:
SelectEquivalents[hamlst,
#[[;; 3]] &,
#[[{4, 5}]] -> (Complex @@ #[[6 ;;]]) &,
{#1, SparseArray[#2]} &]
Honestly, this is my Swiss Army Knife, and it makes complex things very simple. Most of my other tools are somewhat doma...
How to find out if a Python object is a string?
...
305
Python 2
Use isinstance(obj, basestring) for an object-to-test obj.
Docs.
...
FragmentPagerAdapter getItem is not called
...g the fragment but still does not called getItem() again..There are just 2-3 Images so I am using FragmentPagerAdapter Instead of FragmentStatePagerAdapter..
...
How to compare two floating point numbers in Bash?
...s in scientific format, provided a capital letter E is employed, e.g. num1=3.44E6
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Skip certain tables with mysqldump
...ATABASE=databasename
DB_FILE=dump.sql
EXCLUDED_TABLES=(
table1
table2
table3
table4
tableN
)
IGNORED_TABLES_STRING=''
for TABLE in "${EXCLUDED_TABLES[@]}"
do :
IGNORED_TABLES_STRING+=" --ignore-table=${DATABASE}.${TABLE}"
done
echo "Dump structure"
mysqldump --host=${HOST} --user=${USER} --p...
Android and in TextView
...
Quality Catalyst
5,45366 gold badges3131 silver badges5656 bronze badges
answered Jul 3 '11 at 19:27
Dan DyerDan Dyer
...
How To Set Text In An EditText
...
edited Mar 21 '19 at 16:03
answered Jan 4 '11 at 14:40
Kev...
Function to Calculate Median in SQL Server
...
32 Answers
32
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do..end vs curly braces for blocks in Ruby
...ence between the two that can be illustrated with this example:
puts [1,2,3].map{ |k| k+1 }
2
3
4
=> nil
puts [1,2,3].map do |k| k+1; end
#<Enumerator:0x0000010a06d140>
=> nil
This means that {} has a higher precedence than do..end, so keep that in mind when deciding what you want to ...