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Traits in PHP – any real world examples/best practices? [closed]
Traits have been one of the biggest additions for PHP 5.4. I know the syntax and understand the idea behind traits, like horizontal code re-use for common stuff like logging, security, caching etc.
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
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Plus one because in the good old days i did that more than a couple of times as a quick dirty "temporal" fix... no good idea. Specially if its going to be reviewed if you are a student.
– rciafardone
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Why is exception.printStackTrace() considered bad practice?
...r output stream).
In most cases, the above conditions are not satisfied. One may not be aware of other code running in the JVM, and one cannot predict the size of the log file or the runtime duration of the process, and a well designed logging practice would revolve around writing "machine-parseab...
Make .git directory web inaccessible
...llow,deny
Deny from all
But note, that it would be lost if you ever re-cloned the repository
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How do I delete from multiple tables using INNER JOIN in SQL server
...hink it depends on how complicated your where clause is. For a complicated one, this would be better because it only happens once. But for a simpler where clause that affects a lot of rows, your proposal would probably be more efficient since it doesn't have to hold many ids in a table variable.
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How to extract custom header value in Web API message handler?
...ver return null. If the header doesn't exist you will get an InvalidOperationException. You need to use TryGetHeaders if it's possible the header might not exist in the request and check for a false response OR try/catch around the GetValues call (not recommended).
– Drew Marsh...
Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
...ding pseudo-classes such as :nth-child() and :not(), work independently of one another, rather than looking at the subset of elements that are matched by the rest of the selector.
This also implies that there is no notion of order among simple selectors within each individual compound selector1, whi...
Error in SQL script: Only one statement is allowed per batch
...d the problem. When I added the file in VS I forgot to set Build Action = None from the file properties. So changing that fixed the problem and the project now compiles.
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When to use generic methods and when to use wild-card?
...erence between using wildcards and type parameters are:
If you have only one parameterized type argument, then you can use wildcard, although type parameter will also work.
Type parameters support multiple bounds, wildcards don't.
Wildcards support both upper and lower bounds, type parameters just...
Java default constructor
What exactly is a default constructor — can you tell me which one of the following is a default constructor and what differentiates it from any other constructor?
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