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Get table names using SELECT statement in MySQL
...ount] = $row[0];
$arrayCount++; //only do this to make sure it starts at index 0
}
foreach ($tableNames as &$name {
$query = "INSERT INTO metadata (table_name) VALUES ('".$name."')";
mysql_query($query);
}
?>
...
Add Foreign Key to existing table
...150/
On the top of my head two things come to mind.
Is your foreign key index a unique name in the whole database (#3 in the list)?
Are you trying to set the table PK to NULL on update (#5 in the list)?
I'm guessing the problem is with the set NULL on update (if my brains aren't on backwards to...
How can I access and process nested objects, arrays or JSON?
...const value = arr[5]; // arr.5 would be a syntax error
// property name / index as variable
const x = 5;
const value = arr[x];
Wait... what about JSON?
JSON is a textual representation of data, just like XML, YAML, CSV, and others. To work with such data, it first has to be converted to JavaScri...
How to pass variable number of arguments to a PHP function
...o pass the function depends on the length of an array. Is there a way to call a PHP function with a variable number of arguments?
...
Amazon S3 boto - how to create a folder?
...y S3 access tools like S3Fox show like a directory structure, but it's actually just a single file in a bucket.
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How do I match any character across multiple lines in a regular expression?
...P it is:
/(.*)<FooBar>/s
The s at the end causes the dot to match all characters including newlines.
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Most efficient way to determine if a Lua table is empty (contains no entries)?
...ility would be to count the number of elements, by using the metatable "newindex" key. When assigning something not nil, increment the counter (the counter could live in the metatable as well) and when assigning nil, decrement the counter.
Testing for empty table would be to test the counter with 0...
How to drop column with constraint?
...uch as foreign keys, unique and primary key constraints, computed columns, indexes)
CREATE TABLE [dbo].[TestTable]
(
A INT DEFAULT '1' CHECK (A=1),
B INT,
CHECK (A > B)
)
GO
DECLARE @TwoPartTableNameQuoted nvarchar(500) = '[dbo].[TestTable]',
@ColumnNameUnQuoted sysname = 'A',
...
Laravel requires the Mcrypt PHP extension
...e to include the actual path to your PHP. Something like this (I don't actually use OSX so this might not be 100%):
export PATH=/usr/local/php5/bin:$PATH
Ubuntu
On earlier versions of Ubuntu (prior to 14.04) when you run sudo apt-get install php5-mcrypt it doesn't actually install the extension ...
E11000 duplicate key error index in mongodb mongoose
...evant documentation for this:
If a document does not have a value for the indexed field in a unique index, the index will store a null value for this document. Because of the unique constraint, MongoDB will only permit one document that lacks the indexed field. If there is more than one document wi...