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Rails 3: Get Random Record
...e function which gives LIMIT(1) query but return single element instead of array. So we do not need to invoke first
– Piotr Galas
Feb 5 '18 at 12:35
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How to check if character is a letter in Javascript?
... brilliant solution. In case of c = '1a', simply split your string into array and loop, e.g., ` function isLetters(arr) { for (var i = 0; i < arr.length; i++) { if(arr[i].toLowerCase() != arr[i].toUpperCase()){ } else { ...
if else in a list comprehension [duplicate]
... to keep certain elements (ie: you do not necessarily want an entry to the array from every iteration) then you need to put the condition at the end.
– Sam Creamer
Aug 29 '19 at 17:35
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Implications of foldr vs. foldl (or foldl')
...:reduce, C++'s accumulate, C#'s Aggregate, Smalltalk's inject:into:, PHP's array_reduce, Mathematica's Fold, etc. Common Lisp's reduce defaults to left fold but there's an option for right fold.
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delete a.x vs a.x = undefined
...tored, or locations where the child keys are stored or locations where the array values are stored.
When you delete any key from an object using delete, actually it deletes link between that key and its parent object and the memory locations of key and its value are freed up to store another inform...
Proper way to return JSON using node or Express
...tomatically set the content-type to JSON, if the sent item is an object or array.
– royhowie
Apr 12 '15 at 0:58
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changing source on html5 video tag
...o determine what format the browser supported.
<script>
var v = new Array();
v[0] = [
"videos/video1.webmvp8.webm",
"videos/video1.theora.ogv",
"videos/video1.mp4video.mp4"
];
v[1] = [
"videos/video2.webmvp8.webm",
"videos/video2.theora.ogv",
...
rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
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I have to include all my css files in array? What if I have 40 css files?
– yozzz
May 27 '14 at 8:48
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Django 1.7 - makemigrations not detecting changes
...you copy paste the def. from the migration, which itself is defined as an array.
Though maybe this would help someone :-)
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How to profile methods in Scala?
...| def run = testMethod
| }
defined module Test
scala> Test.main(Array("5"))
$line16.$read$$iw$$iw$Test$ 100 100 100 100 100
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