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Useful example of a shutdown hook in Java?
...antee on the order in which shutdown hooks are started.For more info refer http://techno-terminal.blogspot.in/2015/08/shutdown-hooks.html
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C++ Tuple vs Struct
...for <.<=... compares first, if same compares second...) comparators:
http://en.cppreference.com/w/cpp/utility/tuple/operator_cmp
edit: as noted in the comment C++20 spaceship operator gives you a way to specify this functionality with one(ugly, but still just one) line of code.
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Regex exactly n OR m times
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Here is the complete list of quantifiers (ref. http://www.regular-expressions.info/reference.html):
?, ?? - 0 or 1 occurences (?? is lazy, ? is greedy)
*, *? - any number of occurences
+, +? - at least one occurence
{n} - exactly n occurences
{n,m} - n to m occurences, ...
How to get commit history for just one branch?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Recursive search and replace in text files on Mac and Linux
In the linux shell, the following command will recursively search and replace all instances of 'this' with 'that' (I don't have a Linux shell in front of me, but it should do).
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Automatically start forever (node) on system restart
...ul stop. This script provisions the logrotate script as well.
Github url: https://github.com/zapty/forever-service
NOTE: I am the author of forever-service.
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PHP DOMDocument errors/warnings on html5-tags
...tagthatdoesnotexist>", LIBXML_NOWARNING );
echo $doc->saveHTML();
http://php.net/manual/en/libxml.constants.php
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Why is the String class declared final in Java?
...ity and final in some case might be really important.
HTH
References:
http://chaoticjava.com/posts/how-does-garbage-collection-work/
http://chaoticjava.com/posts/gc-tips-and-memory-leaks/
http://java.sun.com/j2se/1.5/pdf/jdk50_ts_guide.pdf
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How can two strings be concatenated?
...GAD,AB"
I found this from Google by searching for R concatenate strings: http://stat.ethz.ch/R-manual/R-patched/library/base/html/paste.html
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How do I get java logging output to appear on a single line?
...ts format from a system property, so adding something like this to the JVM command line will cause it to print on one line:
-Djava.util.logging.SimpleFormatter.format='%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS %4$s %2$s %5$s%6$s%n'
Alternatively, you can also add this to your logger.properties:
java.u...