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How to write multiple line property value using PropertiesConfiguration?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How many characters can UTF-8 encode?
... always uses 2 bytes, but UTF-8 uses one byte per character for most latin-based language characters. Making it twice as compact.
– sanderd17
Mar 25 '19 at 8:17
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must appear in the GROUP BY clause or be used in an aggregate function
...s, ordered by avg, and returns the first element (arrays in postgres are 1-based).
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Remove blank attributes from an Object in Javascript
...y value
}
});
return newObj;
};
5) A functional approach to 4b) based on @MichaelJ.Zoidl's answer using filter() and reduce(). This one returns a new object as well:
const removeEmpty = obj =>
Object.keys(obj)
.filter(k => obj[k] != null) // Remove undef. and null.
.reduc...
Best practices for storing postal addresses in a database (RDBMS)?
... use, one schema to consider is the one used by Drupal Address Field. It's based on the xNAL standard, and seems to cover most international cases. A bit of digging into that module will reveal some nice pearls for interpreting and validating addresses internationally. It also has a nice set of admi...
Regex how to match an optional character
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Practical uses for AtomicInteger
...() as a type of optimistic locking - get the current value, compute result based on this, set this result iff value is still the input used to do the calculation, else start again - but the counting examples are very useful, and I'll often use AtomicIntegers for counting and VM-wide unique generator...
Find the extension of a filename in Ruby
...orks for multi-period suffixes, except an heuristic (thus error prone) database of extensions.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Oct 24 '14 at 14:10
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Difference of Maven JAXB plugins
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the jaxb2-maven-plugin (https://github.com/mojohaus/jaxb2-maven-plugin)
Based on the comments of this thread, I've always used the maven-jaxb2-plugin (i.e. plugin #1):
Concerning the
org.jvnet.jaxb2.maven2:maven-jaxb2-plugin
versus
com.sun.tools.xjc.maven2:maven-jaxb-plugin,
from my p...
When to use a View instead of a Table?
...underlying schema
Views can model complex joins easily.
Views can hide database-specific stuff from you. E.g. if you need to do some checks using Oracles SYS_CONTEXT function or many other things
You can easily manage your GRANTS directly on views, rather than the actual tables. It's easier to manag...