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How to retrieve an element from a set without removing it?
... since iteration seems to sort the elements. I would prefer them in random order...
– Daren Thomas
Sep 12 '08 at 20:17
10
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Laravel - Eloquent or Fluent random row
...
Laravel >= 5.2:
User::inRandomOrder()->get();
or to get the specific number of records
// 5 indicates the number of records
User::inRandomOrder()->limit(5)->get();
// get one random record
User::inRandomOrder()->first();
or using the random ...
What is an API key? [closed]
...et token which is submitted alongside web service (or similar) requests in order to identify the origin of the request. The key may be included in some digest of the request content to further verify the origin and to prevent tampering with the values.
Typically, if you can identify the source of a...
Vertically align an image inside a div with responsive height
...ation to the first-child and our element (the image) both.
3) Finally, in order to remove the white space character between inline(-block) elements, we could set the font size of the parent to zero by font-size: 0;.
Note: I used Nicolas Gallagher's image replacement technique in the following.
Wh...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
...great and excellent explanation. but why in column b the values are not in order? i.e it is 6,5 not as 5,6?
– Ameer
Mar 4 '13 at 8:39
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Difference between InvariantCulture and Ordinal string comparison
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InvariantCulture
Uses a "standard" set of character orderings (a,b,c, ... etc.). This is in contrast to some specific locales, which may sort characters in different orders ('a-with-acute' may be before or after 'a', depending on the locale, and so on).
Ordinal
On the other...
Group query results by month and year in postgresql
... Very nice! This is a superior answer, especially since you can order as well. Upvoted!
– bobmarksie
Jun 20 '16 at 10:35
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Oracle “Partition By” Keyword
... operation_date,
row_number() count(*) over (partition by client_id order by client_id ) as operationctrbyclient
from client_operations e
order by e.client_id;
this query will return the number of operations done by the client_id
...
Anyone else find naming classes and methods one of the most difficult parts in programming? [closed]
...009-01-07.log not 1-7-2009.log because after you have a bunch of them, the order becomes totally useless.
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Are foreign keys really necessary in a database design?
...s means that if you have one table containing users and another containing orders or something, then deleting a user could automatically delete all orders that point to that user.
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