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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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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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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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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...
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...
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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Git: How to squash all commits on branch
... git reset $(git merge-base master yourBranch)
git add -A
git commit -m "one commit on yourBranch"
This isn't perfect as it implies you know from which branch "yourBranch" is coming from.
Note: finding that origin branch isn't easy/possible with Git (the visual way is often the easiest, as seen ...
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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Find size of an array in Perl
...decade). $[ is deprecated. Using $[ issues a deprecation warning even when one doesn't turn on warnings. Assigning anything but zero to $[ will be an error in 5.16. Can we stop mentioning $[ already?
– ikegami
Sep 13 '11 at 19:05
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