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is_null($x) vs $x === null in PHP [duplicate]

PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
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Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio

... You either need to increase the max_connections configuration setting or (probably better) use connection pooling to route a large number of user requests through a smaller connection pool. https://wiki.postgresql.org/wiki/Number_Of_Database_Connections ...
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How to create unit tests easily in eclipse [closed]

...hile using jar: no test profile available please go to junit preference to set the profile – Haseeb Anser Jul 13 '17 at 10:29 ...
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Does a dot have to be escaped in a character class (square brackets) of a regular expression?

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How to add lines to end of file on Linux

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How to link godaddy domain with AWS Elastic Beanstalk environment?

...cords to Route 53 ("Import Zone File" button). In GoDaddy's Domain Manager set custom DNS nameservers, obtained on the 2nd step: Migrating might take some time (even days). Now you can link you domain with your Elastic Beanstalk site. To do so select/create proper A record type in Route 53 and se...
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Create batches in linq

Can someone suggest a way to create batches of a certain size in linq? 15 Answers 15 ...
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Why does Python print unicode characters when the default encoding is ASCII?

...eme currently stored in sys.stdout.encoding. Python actually picks up this setting from the environment it's been initiated from. If it can't find a proper encoding from the environment, only then does it revert to its default, ASCII. For example, I use a bash shell which encoding defaults to UTF-8...
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Pushing read-only GUI properties back into ViewModel

...)frameworkElement.GetValue(ObserveProperty); } public static void SetObserve(FrameworkElement frameworkElement, bool observe) { frameworkElement.AssertNotNull("frameworkElement"); frameworkElement.SetValue(ObserveProperty, observe); } public static double GetObs...
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Paste multiple times

... Why isn't this the default behavior?? – Seth Jun 24 '17 at 15:30 add a comment  |  ...