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How do I automatically update a timestamp in PostgreSQL
...when the record is changed. This article explains it quite nicely:
http://www.revsys.com/blog/2006/aug/04/automatically-updating-a-timestamp-column-in-postgresql/
CREATE OR REPLACE FUNCTION update_modified_column()
RETURNS TRIGGER AS $$
BEGIN
NEW.modified = now();
RETURN NEW;
END;
$...
Best way to show a loading/progress indicator?
...e);
However this is considered as an anti pattern today (2013): http://www.youtube.com/watch?v=pEGWcMTxs3I
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What does the `#` operator mean in Scala?
...ut I haven't figured out how to escape "#" to search on in scalex)
http://www.artima.com/pins1ed/book-index.html#indexanchor
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Using IoC for Unit Testing
...cking container extension comes in handy when using this technique:
http://www.agileatwork.com/auto-mocking-unity-container-extension/
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what is the difference between ?:, ?! and ?= in regex?
...look behind
?<! is for negative look behind
Please check here: http://www.regular-expressions.info/lookaround.html for very good tutorial and examples on lookahead in regular expressions.
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How to load external webpage inside WebView
....toString());
}
});
mWebview .loadUrl("http://www.google.com");
setContentView(mWebview );
}
}
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follo...
Remove non-ascii character in string
...200F &#8207; right-to-left-mark
Some references on those:
http://www.fileformat.info/info/unicode/char/200B/index.htm
https://en.wikipedia.org/wiki/Left-to-right_mark
Note that although the encoding of the embedded character is UTF-8, the encoding in the regular expression is not. Alth...
What is a tracking branch?
...ches. This often referenced link web.archive.org/web/20130419172453/http://www.gitguys.com/… distinguishes between "tracking branches" & "remote tracking branches". They call origin/master a "remote tracking branch" - I agree - but then they call "master" a "tracking branch" too. What is maste...
What are Makefile.am and Makefile.in?
...
Simple example
Shamelessly adapted from: http://www.gnu.org/software/automake/manual/html_node/Creating-amhello.html and tested on Ubuntu 14.04 Automake 1.14.1.
Makefile.am
SUBDIRS = src
dist_doc_DATA = README.md
README.md
Some doc.
configure.ac
AC_INIT([automake_...
Why define an anonymous function and pass it jQuery as the argument?
...m/resources/essentialjsdesignpatterns/book/#modulepatternjavascript
http://www.adequatelygood.com/2010/3/JavaScript-Module-Pattern-In-Depth
The purpose of this code is to provide "modularity", privacy and encapsulation for your code.
The implementation of this is a function that is immediately i...