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Xcode Simulator: how to remove older unneeded devices?
...ete the corresponding .dmg file in
~/Library/Caches/com.apple.dt.Xcode/Downloads
to prevent Xcode from re-installing the same package again.
for XCode >= 6 see @praveen-matanam 's answer
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RESTful URL design for search
...rystrings. This is perfectly RESTful:
/cars?color=blue&type=sedan&doors=4
An advantage to regular querystrings is that they are standard and widely understood and that they can be generated from form-get.
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Database: To delete or not to delete records
I don't think I am the only person wondering about this. What do you usually practice about database behavior? Do you prefer to delete a record from the database physically? Or is it better to just flag the record with a "deleted" flag or a boolean column to denote the record is active or inactive?
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How to determine if a record is just created or updated in after_save
... check is needed outside of callbacks then use id_previously_changed?. See docs.
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How to read a file in Groovy into a string?
...e contents into a string in a groovy controller, what's the easiest way to do that?
6 Answers
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How to split one string into multiple variables in bash shell? [duplicate]
...re attempting to split sentences with spaces between them, and the answers do not work for my situation.
5 Answers
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Private vs Protected - Visibility Good-Practice Concern [closed]
...e to protected, final to non-final) for the sake of unit-testing, but then document it, and make it clear that although the method is protected, it's not supposed to be overridden.
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Dynamically Changing log4j log level
...on the configuration will be read and used as setting the level at runtime does not persist the level change.
UPDATE: If you are using Log4j 2 you should remove the calls to setLevel per the documentation as this can be achieved via implementation classes.
Calls to logger.setLevel() or similar ...
PHP Timestamp into DateTime
Do you know how I can convert this to a strtotime, or a similar type of value to pass into the DateTime object?
4 Answer...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...n.
Traditional C Preprocessor
Robert Rüger asks:
Is there any way do to this with the traditional C preprocessor which does not have the token pasting operator ##?
Maybe, and maybe not — it depends on the preprocessor. One of the advantages of the standard preprocessor is that it has t...