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Converting String to “Character” array in Java
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I wish ArrayUtils is standard in JVMs!
– Alvin
Apr 4 '12 at 6:58
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Non greedy (reluctant) regex matching in sed?
...that don't work this way for sure, e.g. when parsing URL for its host part and pathname with final slash assumed optional to be excluded from capturing: ^(http:\/\/.+?)/?$
– Thomas Urban
Mar 17 at 8:40
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Redis command to get all available keys?
Is there a Redis command for fetching all keys in the database? I have seen some python-redis libraries fetching them. But was wondering if it is possible from redis-client.
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What characters are valid for JavaScript variable names?
...00C zero width non-joiner characters, U+200D zero width joiner characters, and characters in the Unicode categories “Non-spacing mark (Mn)”, “Spacing combining mark (Mc)”, “Decimal digit number (Nd)”, or “Connector punctuation (Pc)”.
I’ve also created a tool that will tell you if...
How to use a filter in a controller?
...filtername')(arg1,arg2);
}
Where arg1 is the array you want to filter on and arg2 is the object used to filter.
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Select distinct values from a table field
...uery, not even the default ordering, call order_by() with no parameters.
and distinct() in the note where it discusses issues with using distinct() with ordering.
To query your DB, you just have to call:
models.Shop.objects.order_by().values('city').distinct()
It returns a dictionnary
or
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The difference between the Runnable and Callable interfaces in Java
What is the difference between using the Runnable and Callable interfaces when designing a concurrent thread in Java, why would you choose one over the other?
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Relatively position an element without it taking up space in document flow
How can I relatively position an element, and have it not take up space in the document flow?
6 Answers
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Performing Inserts and Updates with Dapper
...terested in using Dapper - but from what I can tell it only supports Query and Execute. I do not see that Dapper includes a way of Inserting and Updating objects.
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How to disable text selection highlighting
... located on the top of the Stack Overflow page) or tabs, is there a CSS standard way to disable the highlighting effect if the user accidentally selects the text?
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