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How to deep watch an array in angularjs?
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in 1.1.x you now have $watchCollection
– Jonathan Rowny
Aug 29 '13 at 18:36
39
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Calculate age given the birth date in the format YYYYMMDD
...on _calculateAge(birthday) { // birthday is a date
var ageDifMs = Date.now() - birthday.getTime();
var ageDate = new Date(ageDifMs); // miliseconds from epoch
return Math.abs(ageDate.getUTCFullYear() - 1970);
}
Disclaimer: This also has precision issues, so this cannot be completely tr...
What does the construct x = x || y mean?
...hy; otherwise you'd get "Neither x nor y is truthy".
The actual question
Now, when you know how || operator works, you can probably make out by yourself what does x = x || y mean. If x is truthy, x is assigned to x, so actually nothing happens; otherwise y is assigned to x. It is commonly used to ...
Most used parts of Boost [closed]
When I discovered boost::lexical_cast I thought to myself "why didn't I know about this sooner!" - I hated having to write code like
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How to get a json string from url?
...em.Net.WebClient()) {
var json = webClient.DownloadString(URL);
// Now parse with JSON.Net
}
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What Automatic Resource Management alternatives exist for Scala?
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For now Scala 2.13 has finally supported: try with resources by using Using :), Example:
val lines: Try[Seq[String]] =
Using(new BufferedReader(new FileReader("file.txt"))) { reader =>
Iterator.unfold(())(_ => Option...
Downloading jQuery UI CSS from Google's CDN
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jQuery now has a CDN access:
code.jquery.com/ui/[version]/themes/[theme name]/jquery-ui.css
And to make this a little more easy, Here you go:
base: http://code.jquery.com/ui/1.9.1/themes/base/jquery-ui.css
black-tie: http://c...
How do I automatically update a timestamp in PostgreSQL
...update_modified_column()
RETURNS TRIGGER AS $$
BEGIN
NEW.modified = now();
RETURN NEW;
END;
$$ language 'plpgsql';
Apply the trigger like this:
CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON customer FOR EACH ROW EXECUTE PROCEDURE update_modified_column();
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How to select bottom most rows?
... I couldn't see the difference between yours and the order by answers, but now I can. So +1.
– RichardOD
Dec 9 '09 at 20:52
1
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Provide an image for WhatsApp link sharing
...orithm if you haven't already.
If you completed the steps above, you can now see your preview in WhatsApp! However, be aware of the "please note" section above.
Step 7: og:type
In order for your object to be represented within the graph, you need to specify its type. Here's a list of the global ...