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MySQL, better to insert NULL or empty string?
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but which one you think is faster? 0 or NULL or ""
– Atul Dravid
Oct 16 '10 at 23:48
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Best practices for storing postal addresses in a database (RDBMS)?
...and lots of pros and cons to each to be evaluated -- surely this has been done time and time again? Maybe someone has at least written done some lessons learned somewhere?
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Do AJAX requests retain PHP Session info?
...most comment there) is a separate question, let's now stick to the current one, with just one side-note: the most prominent issue with URL-based sessions -- the blatant visibility of the naked session ID -- is not an issue with internal Ajax calls; but then, if it's turned on for Ajax, it's turned o...
Getting the closest string match
...n given, the best we could do is rely on an underwriter to "recognize" the one they were referring to and call up the proper information. This is where this automated solution comes in handy.
I spent a day researching methods of fuzzy string matching, and eventually stumbled upon the very useful Le...
When to use a View instead of a Table?
... store the "view" temporarily in another table for faster access. This is done to speed up read access when the view is complex. But that doesn't help you in your case because a materialized view is still a view, not data on its own. Your approach is probably OK.
– Lukas Eder
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Logback to log different messages to two files
...ts) I want to have two logger instances which each log to a separate file; one for analytics and one for all purpose logging. Does anyone know if this is possible with Logback, or any other logger for that matter?
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Auto increment in phpmyadmin
...op-up window, scroll left and check A_I. Also make sure you have selected None for Default
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How to create a directory if it doesn't exist using Node.js?
...tice but probably won't cause any performance issue, but its a bad habbit none-the-less. Only use for booting your app or otherwise one time operations.
– tsturzl
Aug 14 '15 at 0:53
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Why does this Java code compile?
...le name of any static variable declared in or inherited by the class, even one whose declaration occurs textually later.
Use of instance variables whose declarations appear textually after the use is sometimes restricted, even though these instance variables are in scope. See §8.3.2.3 for the prec...
How can one use multi threading in PHP applications
Is there a realistic way of implementing a multi-threaded model in PHP whether truly, or just simulating it. Some time back it was suggested that you could force the operating system to load another instance of the PHP executable and handle other simultaneous processes.
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