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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...
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!
share
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How to randomly sort (scramble) an array in Ruby?
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293
Built in now:
[1,2,3,4].shuffle => [2, 1, 3, 4]
[1,2,3,4].shuffle => [1, 3, 2, 4]
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How to set the value to a cell in Google Sheets using Apps Script?
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220
The following code does what is required
function doTest() {
SpreadsheetApp.getActiveSheet(...