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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;
$...
MySQL Error 1093 - Can't specify target table for update in FROM clause
... use in the SELECT part.
This behaviour is documented at:
http://dev.mysql.com/doc/refman/5.6/en/update.html
Maybe you can just join the table to itself
If the logic is simple enough to re-shape the query, lose the subquery and join the table to itself, employing appropriate selection criteria. Th...
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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How to split a string at the first `/` (slash) and surround part of it in a ``?
.../br>" + arr[1]+"/"+arr[2]);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="date">23/05/2013</div>
Fiddle
When you split this string ---> 23/05/2013 on /
var myString = "23/05/2013";
var arr = myString.spli...
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 are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...ot a standard. It is a Google product that is being released to the wider community. It is a bit limited in terms of languages supported out of the box (it only supports C++, Python and Java) but it does have a lot of third-party support for other languages (of highly variable quality). Google do...
Comparing Timer with DispatcherTimer
...
I've found good article about timers with small examples here:
http://www.progware.org/Blog/post/Timers-in-WPF.aspx
As a conclusion:
If DoSomething() manipulates GUI components then with the Timer you need to use: this.Dispatcher.Invoke((Action)delegate { //GUI RELATED CODE HERE} since you can...
How to get object size in memory? [duplicate]
...py, but provides no useful information about memory consumption. This is a complex question without an easy solution.
– Henry Merriam
Jan 13 '12 at 18:55
60
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Draw radius around a point in Google map
...nough points to simulate a circle.
Generate a KML file by modifying http://www.nearby.org.uk/google/circle.kml.php?radius=30miles&lat=40.173&long=-105.1024 and then importing it. In Google Maps, you can just paste the URI in the search box and it will display on the map. I'm not sure how y...
How to remove all of the data in a table using Django
...'re the delete_everything() method, beware of this bug: code.djangoproject.com/ticket/16426
– David Planella
Feb 19 '12 at 10:52
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