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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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How to destroy an object?
...d carefully and like others said, never be called directly!
see:
http://www.stoimen.com/blog/2011/11/14/php-dont-call-the-destructor-explicitly/
What is difference between assigning NULL and unset?
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Best way to do Version Control for MS Excel
...86), Exceldiff (http://exceldiff.arstdesign.com/) and DiffEngineX (https://www.florencesoft.com/compare-excel-workbooks-differences.html). But it's another challenge to integrate these comparison with a version control system like Git.
Finally, you have to settle on a workflow that suits your needs...
How can I tell PyCharm what type a parameter is expected to be?
... """
replicant.knock_over() # Shows a warning.
See: https://www.jetbrains.com/help/pycharm/2016.1/type-hinting-in-pycharm.html#legacy
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How can I make Bootstrap columns all the same height?
...his solution also works well for multiple rows (column wrapping):
https://www.bootply.com/gCEXzPMehZ
Other workarounds
These options will be recommended by others, but are not a good idea for responsive design. These only work for simple single row layouts w/o column wrapping.
1) Using huge nega...
How do you make lettered lists using markdown?
...imal;}
ol ol ol ol ol ol { list-style-type: upper-roman;}
/* https://www.w3schools.com/cssref/pr_list-style-type.asp */
/* https://stackoverflow.com/questions/11445453/css-set-li-indent */
/* https://stackoverflow.com/questions/13366820/how-do-you-make-lettered-lists-using-markdown */
&l...
What does Class mean in Java?
...flection (the feature of Java language used to introspect itself): https://www.oracle.com/technetwork/articles/java/javareflection-1536171.html
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