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LEFT OUTER joins in Rails 3
...tion, which will perform an
INNER JOIN on the associated table(s), or an array containing a
mixture of both strings and named associations.
If the value is a
string, then the records will be returned read-only since they will
have attributes that do not correspond to the table‘s colu...
Arguments or parameters? [duplicate]
...able itself (in the method signature) is a parameter, the contents of that array (runtime) are not parameters.
– ColinD
Apr 12 '11 at 18:53
...
PHP page redirect [duplicate]
...
<?php
http_redirect("relpath", array("name" => "value"), true, HTTP_REDIRECT_PERM);
?>
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MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
... a benefit, which has already been pointed out: you need only loop over an array of key/value pairs once to create your INSERT statement, instead of twice as you would need to using the VALUES syntax, which leads to shorter, clearer, and faster-to-write code.
– Mark Amery
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selecting unique values from a column
... Common use case is to "stream" data from database into multidimensional array in PHP; so your PHP process simply wastes memory with data you might not need. For only some datasets this is negligible, but when handling thousands of rows, this could make a difference.
– rabudd...
Git diff output to file preserve coloring
...t work I get: gawk: cmd. line:25: (FILENAME=- FNR=1) fatal: attempt to use array `a (from span)' in a scalar context
– Tim
May 19 '15 at 1:59
2
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How to enumerate a range of numbers starting at 1
... in the list, it offsets the index by the start value, so you would get an array out of bounds if you did something like: sequence[i] in your code.
– phyatt
Dec 5 '17 at 21:14
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Secure hash and salt for PHP passwords
...WORD_DEFAULT);
$expensiveHash = password_hash($password, PASSWORD_DEFAULT, array('cost' => 20));
password_verify('anna', $hash); //Returns true
password_verify('anna', $expensiveHash); //Also returns true
password_verify('elsa', $hash); //Returns false
When password_hash() is used, it generate...
Finding a substring within a list in Python [duplicate]
...
Again, be careful using terms like list to name an array or list. list is a Python keyword and should not be replaced in normal code.
– Blairg23
Oct 13 '16 at 0:33
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How to add new column to MYSQL table?
...'My_Table_Name';
$your_column = 'My_Column_Name';
if (!in_array($your_column, $wpdb->get_col( "DESC " . $your_table, 0 ) )){ $result= $wpdb->query(
"ALTER TABLE $your_table ADD $your_column VARCHAR(100) CHARACTER SET utf8 NOT NULL " //you can add ...