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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
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142
Did you mean sprintf '%02d', n?
irb(main):003:0> sprintf '%02d', 1
=> "01"
irb(main):004:...
Set Colorbar Range in matplotlib
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182
Using vmin and vmax forces the range for the colors. Here's an example:
import matplotlib as...
Activity transition in Android
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edited Feb 27 '19 at 3:24
gian1200
3,49522 gold badges2525 silver badges5555 bronze badges
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How to use UIScrollView in Storyboard
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I'm answering my own question because I just spent 2 hours to find the solution and StackOverflow allows this QA style.
Start to finish here is how to make it work in storyboard.
1: go to you view controller and click on Attribute Inspector.
2: change Size to Freeform inst...
Is there any way to prevent input type=“number” getting negative values?
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edited Apr 10 '15 at 2:08
Nathan Tuggy
2,24499 gold badges2727 silver badges3636 bronze badges
answ...
What is a database transaction?
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248
A transaction is a unit of work that you want to treat as "a whole." It has to either happen i...
Datatables: Cannot read property 'mData' of undefined
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20 Answers
20
Active
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What does git push -u mean?
I have two different versions of git.
In the 1.6.2 version, git push does not have the -u option. It only appears in the 1.7.x version.
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T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
...ng this little gem:
CREATE FUNCTION dbo.Split (@sep char(1), @s varchar(512))
RETURNS table
AS
RETURN (
WITH Pieces(pn, start, stop) AS (
SELECT 1, 1, CHARINDEX(@sep, @s)
UNION ALL
SELECT pn + 1, stop + 1, CHARINDEX(@sep, @s, stop + 1)
FROM Pieces
WHERE stop > 0...
What are the most common non-BMP Unicode characters in actual use? [closed]
... the most common non-BMP characters by far. ????, otherwise known as U+1F602 FACE WITH TEARS OF JOY, is the most common one on Twitter's public stream. It occurs more frequently than the tilde!
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