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What does the plus sign do in '+new Date'
... Date); }
see:
http://xkr.us/articles/javascript/unary-add/
and in MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators#Unary_plus
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Regular expressions in C: examples?
...h_data);
pcre2_code_free(re);
return Found;
}
Install PCRE using:
wget https://ftp.pcre.org/pub/pcre/pcre2-10.31.zip
make
sudo make install
sudo ldconfig
Compile using :
gcc foo.c -lpcre2-8 -o foo
Check my answer for more details.
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Preferred way of loading resources in Java
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Why not abstract fields?
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How do I set cell value to Date and apply default Excel date format?
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What are type lambdas in Scala and what are their benefits?
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How can I change or remove HTML5 form validation default error messages?
...m.js, Custom Input Validation Error Messages JavaScript lib
download here: https://github.com/javanto/civem.js
live demo here: http://jsfiddle.net/hleinone/njSbH/
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Testing if object is of generic type in C#
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What's the difference between %s and %d in Python string formatting?
...that name is a string (%s) and number is an integer (%d for decimal).
See https://docs.python.org/3/library/stdtypes.html#printf-style-string-formatting for details.
In Python 3 the example would be:
print('%s %d' % (name, number))
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PostgreSQL database default location on Linux
...tabase and execute the command:
SHOW data_directory;
More information:
https://www.postgresql.org/docs/current/sql-show.html
https://www.postgresql.org/docs/current/runtime-config-file-locations.html
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