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String concatenation in Ruby
...t;< changes the object on its left hand side, and + doesn't.
irb(main):001:0> s = 'a'
=> "a"
irb(main):002:0> s + 'b'
=> "ab"
irb(main):003:0> s
=> "a"
irb(main):004:0> s << 'b'
=> "ab"
irb(main):005:0> s
=> "ab"
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How do you stretch an image to fill a while keeping the image's aspect-ratio?
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You can add zoom:0.001 to the Pure CSS solution to scale down.
– Ivor Zhou
Jan 16 '19 at 5:11
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leading zeros in rails
...t.to_s.rjust(3, '0') # => '150'
another_int.to_s.rjust(5, '0') # => '00150'
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How to sum a variable by group
...sum(Frequency), by = Category] )
# user system elapsed
# 0.008 0.001 0.009
Let's compare that to the same thing using data.frame and the above above:
data = data.frame(Category=c("First","First","First","Second","Third", "Third", "Second"),
Frequency=c(10,15,5,2,1...
How to print formatted BigDecimal values?
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BigDecimal(19.0001).setScale(2, BigDecimal.RoundingMode.DOWN)
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What is a stored procedure?
...mployee ID Name Age Mobile
---------------------------------------
001 Sidheswar 25 9938885469
002 Pritish 32 9178542436
First I am retrieving the Employee table:
Create Procedure Employee details
As
Begin
Select * from Employee
End
To run the procedure on ...
rsync: difference between --size-only and --ignore-times
.../usercron /tmp/master/usercron
usercron
sent 32 bytes received 15 bytes 94.00 bytes/sec
total size is 1595 speedup is 33.94 (DRY RUN)
So it does not looks like --ignore-times has any effect at all.
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How to add `style=display:“block”` to an element using jQuery?
...ct the version without quotes. ( github.com/douglascrockford/JSLint/issues/110 )
– Peter Ajtai
May 21 '12 at 18:51
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jQuery, get html of a whole element [duplicate]
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110
Differences might not be meaningful in a typical use case, but using the standard DOM function...
Why doesn't calling a Python string method do anything unless you assign its output?
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