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Get URL query string parameters

...o an array. For example, if the URL is http://www.example.com/page.php?x=100&y=200, the code $queries = array(); parse_str($_SERVER['QUERY_STRING'], $queries); will store parameters into the $queries array ($queries['x']=100, $queries['y']=200). Look at documentation of parse_str EDIT ...
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How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?

... locks on the master as quickly as possible. Assume the master is 192.168.100.50 and the slave is 192.168.100.51, each server has a distinct server-id configured, the master has binary logging on and the slave has read-only=1 in my.cnf To stage the slave to be able to start replication just after ...
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SVG Positioning

...rg/1999/xlink"> <svg x="10"> <rect x="10" y="10" height="100" width="100" style="stroke:#ff0000;fill: #0000ff"/> </svg> <svg x="200"> <rect x="10" y="10" height="100" width="100" style="stroke:#009900;fill: #00cc00"/> </svg> </svg> The t...
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How to limit the maximum value of a numeric field in a Django model?

...ve (like an oscillator range): size = fields.IntegerRangeField(min_value=-100, max_value=100) What would be really cool is if it could be called with the range operator like this: size = fields.IntegerRangeField(range(1, 50)) But, that would require a lot more code since since you can specify ...
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What is the simplest SQL Query to find the second largest value?

...the largest value is repeated? Suppose a column contains numbers 1 through 100 but 100 is repeated twice. Then this solution will produce the second largest value as 100, which will be incorrect. Right? – Pankaj Sharma Apr 1 '13 at 19:21 ...
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What's the difference between echo, print, and print_r in PHP?

... 100 echo Outputs one or more strings separated by commas No return value e.g. echo "String 1", ...
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How to change the color of an svg element?

...isplay: none; } .no-svg .my-svg-alternate { display: block; width: 100px; height: 100px; background-image: url(image.png); } <svg width="96px" height="96px" viewBox="0 0 512 512" enable-background="new 0 0 512 512" xml:space="preserve"> <path id="time-3-icon" d="M256,50C142...
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How to generate random number with the specific length in python

... To get a random 3-digit number: from random import randint randint(100, 999) # randint is inclusive at both ends (assuming you really meant three digits, rather than "up to three digits".) To use an arbitrary number of digits: from random import randint def random_with_N_digits(n): ...
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How can I remove the gloss on a select element in Safari on Mac?

...one; /* and then whatever styles you want*/ height: 30px; width: 100px; padding: 5px; } <select> <option value="volvo">Volvo</option> <option value="saab">Saab</option> <option value="mercedes">Mercedes</option> <option value="au...
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Alter column, add default constraint

...me, including schema, e.g. '[dbo].[TableName]' @TABLE_NAME VARCHAR(100), -- Column name, e.g. 'ColumnName'. @COLUMN_NAME VARCHAR(100), -- New default, e.g. '''MyDefault''' or 'getdate()' -- Note that if you want to set it to a string constant, the contents ...