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Using node.js as a simple web server
...top up the features with your own fork. You might find it's already been done in one of the existing 800+ forks of this project:
https://github.com/nodeapps/http-server/network
Light Server: An Auto Refreshing Alternative
A nice alternative to http-server is light-server. It supports file watc...
Using the “final” modifier whenever applicable in Java [closed]
...the code more difficult to understand with finals all over. If I'm in someone else's code, I'm not going to pull them out but if I'm writing new code I won't put them in. One exception is the case where you have to mark something final so you can access it from within an anonymous inner class.
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How to explain callbacks in plain english? How are they different from calling one function from ano
...to explain callbacks in plain English? How are they different from calling one function from another function taking some context from the calling function? How can their power be explained to a novice programmer?
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How to get duplicate items from a list using LINQ? [duplicate]
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Here is one way to do it:
List<String> duplicates = lst.GroupBy(x => x)
.Where(g => g.Count() > 1)
.Select(g => g.Key)
.ToList(...
Jackson with JSON: Unrecognized field, not marked as ignorable
... I'm serializing classes that I do not own (cannot modify). In one view, I'd like to serialize with a certain set of fields. In another view, I want a different set of fields serialized (or perhaps rename the properties in the JSON).
– Jon Lorusso
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Regex to match a digit two or four times
...igits, and optionally two more
(?:\d{2}){1,2} <-- two digits, times one or two
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Django ManyToMany filter()
...many examples of FOO__in=... style filters in the many-to-many and many-to-one tests. Here is syntax for your specific problem:
users_in_1zone = User.objects.filter(zones__id=<id1>)
# same thing but using in
users_in_1zone = User.objects.filter(zones__in=[<id1>])
# filtering on a few...
Test a weekly cron job [closed]
...un the following as root:
run-parts -v /etc/cron.weekly
... or the next one if you receive the "Not a directory: -v" error:
run-parts /etc/cron.weekly -v
Option -v prints the script names before they are run.
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jQuery - prevent default, then continue default
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Use jQuery.one()
Attach a handler to an event for the elements. The handler is executed at most once per element per event type
$('form').one('submit', function(e) {
e.preventDefault();
// do your things ...
// and when y...
How do I fix "The expression of type List needs unchecked conversion…'?
...swered Dec 15 '08 at 7:23
ericksonerickson
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