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What does a double * (splat) operator do
...lue pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
> foo 10, 20, 30
=> [10, [20, 30], {}]
> foo 10, 20, 30, d: 40, e: 50
=> [10, [20, 30], {:d=>40, :e=>50}]
> foo 10, d: 40, e: 50
=> [10, [], {:d=>40, :e=>50}...
How to activate JMX on my JVM for access with jconsole?
... think it is because of lack of SSL certificates. I just wanted to see the demo hence I had to use the parameters specified in the answer by user3013578 and it worked for me (JDK 1.7 , Windows 8.1, 64 bit).
– Captain Jack Sparrow
Jul 19 '15 at 11:43
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HTML/CSS: Making two floating divs the same height
...ie. @laarsk Unpredictable height is exactly what this is for isnt it ? See demo: jsfiddle.net/RT3MT/4 move the "longer" paragraphs around to see
– jpillora
Jun 27 '13 at 6:02
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Change bootstrap navbar collapse breakpoint without using LESS
...clude navbar-expand-* the mobile menu will be used at all widths. Here's a demo of all 6 navbar states: Bootstrap 4 Navbar Example
You can also use a custom breakpoint (???px) by adding a little CSS. For example, here's 1300px..
@media (min-width: 1300px){
.navbar-expand-custom {
flex-...
How to turn off word wrapping in HTML?
... had word wrapping. If you think it should work, please provide a jsfiddle demo'ing it working.
– Alexander Bird
May 14 '18 at 20:46
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Can you set a border opacity in CSS?
...order-radius to the element, it gives you pretty rounded borders
jsFiddle Demo
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How do I keep two side-by-side divs the same height?
...
@Eckstein it is not required for both solutions. See demos.
– Pavlo
Oct 7 '14 at 5:51
3
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Equal sized table cells to fill the entire width of the containing table
...e two properties set, the table cells will be equal in size.
Refer to the demo.
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How to use querySelectorAll only for elements that have a specific attribute set?
...tribute "value" and has the attribute "value" that is not blank.
In this demo, it disables the checkbox with a non-blank value.
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Using LIMIT within GROUP BY to get N results per group?
...e, t.year
HAVING COUNT(l.rate) < 5
ORDER BY t.id, t.rate DESC, t.year
Demo and Result:
| id | rate | year | rank |
|-----|------|------|------|
| p01 | 8.0 | 2006 | 0 |
| p01 | 7.4 | 2003 | 1 |
| p01 | 6.8 | 2008 | 2 |
| p01 | 5.9 | 2001 | 3 |
| p01 | 5.3 | 2007 | 4 |
| p0...