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PHP check whether property exists in object or class
...the value does not exist (is not set) it will raise an E_NOTICE and is not best practise. If the value is null it will not raise the exception.
Therefore ternary operator to the rescue making this a neat little answer:
echo $person->middleName ?? 'Person does not have a middle name';
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Can I catch multiple Java exceptions in the same catch clause?
...java.lang.Exception
e.printStackTrace();
}
But that might not be the best practice. You should only catch an exception when you have a strategy for actually handling it - and logging and rethrowing is not "handling it". If you don't have a corrective action, better to add it to the method si...
NodeJS: How to get the server's port?
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Best answer so far! If you are using ES6 do not use arrow-functions. this will be undefined.
– Laxmana
Jul 21 '17 at 10:19
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RegEx: Grabbing values between quotation marks
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This is the best answer imo. Thanks
– Lmao 123
Jun 21 at 15:24
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Export to CSV via PHP
...mit = 1000);
// ----- fputcsv (slow)
// The code of @Alain Tiemblo is the best implementation
ob_start();
$csv = fopen("php://output", 'w');
fputcsv($csv, array_keys(reset($values)));
foreach ($values as $row) {
fputcsv($csv, $row);
}
fclose($csv);
return ob_get_clean();
// ----- implode (slow...
optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
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Anyone who doesn't understand why this is the best answer hasn't used ruby long enough. Bravo Pablo!
– mastaBlasta
Mar 26 '14 at 14:56
2
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Changing route doesn't scroll to top in the new page
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This worked best for me: $rootScope.$on('$stateChangeSuccess',function(){ $("html, body").animate({ scrollTop: 0 }, 200); });
– James Gentes
Aug 25 '15 at 15:19
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How to call a function from a string stored in a variable?
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A few years late, but this is the best manner now imho:
$x = (new ReflectionFunction("foo"))->getClosure();
$x();
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Android: Test Push Notification online (Google Cloud Messaging) [closed]
...equests from these HTTP referrers (websites)" in the google API settings. Best regards Rasmus
– Thylle
May 31 '18 at 13:47
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How to detect orientation change in layout in Android?
...add this all your crated classes into MainActivity will be saved.
But the best way is to add this in your AndroidManifest:
<activity name= ".MainActivity" android:configChanges="orientation|screenSize"/>
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