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Validate uniqueness of multiple columns
...or, but in general I recommend using a database constraint.
More reading: https://robots.thoughtbot.com/validation-database-constraint-or-both
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Java unchecked: unchecked generic array creation for varargs parameter
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PHP - how to best determine if the current invocation is from CLI or web server?
...on, there is the PHP constant PHP_SAPI.
Documentation can be found here: http://php.net/php_sapi_name
For example, to determine if PHP is being run from the CLI, you could use this function:
function isCommandLineInterface()
{
return (php_sapi_name() === 'cli');
}
...
How does Activity.finish() work in Android?
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How to change the decimal separator of DecimalFormat from comma to dot/point?
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Why does Haskell's “do nothing” function, id, consume tons of memory?
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Synchronise ScrollView scroll positions - android
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AngularJS. How to call controller function from outside of controller component
...ks fine. I just made a simple example using the same technique.
jsfiddle: http://jsfiddle.net/o895a8n8/5/
<button onclick="call()">Call Controller's method from outside</button>
<div id="container" ng-app="" ng-controller="testController">
</div>
.
function call() {
...
How to jump to a specific character in vim?
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How do I create directory if it doesn't exist to create a file?
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