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PHP - Check if two arrays are equal
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$arraysAreEqual = ($a == $b); // TRUE if $a and $b have the same key/value pairs.
$arraysAreEqual = ($a === $b); // TRUE if $a and $b have the same key/value pairs in the same order and of the same types.
See Array Operators.
EDIT
The inequality operator is != while the non-id...
Rails 3 migrations: Adding reference column?
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If you are using the Rails 4.x you can now generate migrations with references, like this:
rails generate migration AddUserRefToProducts user:references
like you can see on rails guides
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Best approach to remove time part of datetime in SQL Server
...urther date manipulation. the DATE data time is obnoxiously restrictive at what it will let you do with regard to things like dateadd, datediff and interacting with other date/time data types. For those cases, the DATEADD() approach reigns king.
– Xedni
Jul 11 ...
PostgreSQL create table if not exists
...HERE schemaname = 'myschema'
AND tablename = 'mytable') THEN
RAISE NOTICE 'Table myschema.mytable already exists.';
ELSE
CREATE TABLE myschema.mytable (i integer);
END IF;
END
$func$;
Call:
SELECT create_mytable(); -- call as many times as you want.
Not...
How to use if-else option in JSTL
Is there an if-else tag available in JSTL?
6 Answers
6
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How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
... badly phrased question in the subject, instead of the one in the posting. What he wants to know is how to easily get rid of the whitespace that was at the point where the line was broken but no longer serves a purpose.
– Aristotle Pagaltzis
Oct 26 '08 at 3:27
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How does Angular $q.when work?
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If you pass a value to it - but what if I passing object?
– SET
Jun 13 '13 at 12:31
11
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How can I check if a value is a json object?
... object on success and a string 'false' on failure. Now how can I check whether the returned value is a json object?
13 Ans...
How to select from subquery using Laravel Query Builder?
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@Skyzer You're not reading what I write. Nothing is escaped when you call toSql. Read about PDO php.net/manual/en/book.pdo.php and see the result of your $query->toSql()
– Jarek Tkaczyk
Sep 23 '15 at 6:47
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jQuery or javascript to find memory usage of page
...you should use event delegation and then it could also be considered a somewhat fixed factor.
Another aspect that makes it hard to estimate your memory requirements correctly is that different browsers may allocate memory differently (for Javascript objects and DOM elements).
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