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Should a function have only one return statement?
Are there good reasons why it's a better practice to have only one return statement in a function?
50 Answers
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How do I trim leading/trailing whitespace in a standard way?
...strings (the original, which has it's trailing spaces trimmed, and the new one). Only the original string can be freed, but if you do, the second one points to freed memory.
– David Nehme
Nov 6 '08 at 15:11
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INNER JOIN vs LEFT JOIN performance in SQL Server
...alent to an INNER JOIN, so you cannot simply go replacing all instances of one with the other!)
Most likely your performance problems lie elsewhere, such as not having a candidate key or foreign key indexed properly. 9 tables is quite a lot to be joining so the slowdown could literally be almost a...
What is the difference between the | and || or operators?
... the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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SQL Server insert if not exists best practice
...ions results table which holds team member's names and their ranking on one hand.
8 Answers
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Proper Repository Pattern Design in PHP?
...hought I'd take a crack at answering my own question. What follows is just one way of solving the issues 1-3 in my original question.
Disclaimer: I may not always use the right terms when describing patterns or techniques. Sorry for that.
The Goals:
Create a complete example of a basic controlle...
Studies on optimal code width?
...s, which were 80-column devices.
And to kind of answer the OP's question, one "study" has been going on for about 600 years now - the printed book. These have evolved over the centuries, with readbility foremost in mind, to the position we are at now where the average line length for text is around...
Spring @Transactional - isolation, propagation
Can someone explain what isolation & propagation parameters are for in the @Transactional annotation via real-world example?
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What is mutex and semaphore in Java ? What is the main difference?
...e system with a mutex so when 1 client is connected to that sub-system, no one else should have access. You can use a Semaphore for this purpose too. A mutex is a "Mutual Exclusion Semaphore".
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Is the Javascript date object always one day off?
...sed in UTC (GMT) because you provided a date-only string without any time zone indicator. If you had given a date/time string w/o an indicator instead (new Date("2011-09-24T00:00:00")), it would have been parsed in your local timezone. (Historically there have been inconsistencies there, not least b...