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How do I fix PyDev “Undefined variable from import” errors?
...ins so that PyDev spawns a shell for it to obtain runtime information (see http://pydev.org/manual_101_interpreter.html for details) -- i.e.: mostly, PyDev will import the module in a shell and do a dir(module) and dir on the classes found in the module to present completions and make code analysis....
When maven says “resolution will not be reattempted until the update interval of MyRepo has elapsed”
... <repository>
<id>central</id>
<url>http://central</url>
<releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases>
<snapshots><enabled>true</enabled><updatePolicy&g...
Passing data between controllers in Angular JS?
... the description, seems as though you should be using a service. Check out http://egghead.io/lessons/angularjs-sharing-data-between-controllers and AngularJS Service Passing Data Between Controllers to see some examples.
You could define your product service (as a factory) as such:
app.factory('pr...
Compiled vs. Interpreted Languages
...
From http://www.quora.com/What-is-the-difference-between-compiled-and-interpreted-programming-languages
There is no difference, because “compiled programming language” and
“interpreted programming language” aren’t ...
Best way to create unique token in Rails?
...re are some pretty slick ways of doing this demonstrated in this article:
https://web.archive.org/web/20121026000606/http://blog.logeek.fr/2009/7/2/creating-small-unique-tokens-in-ruby
My favorite listed is this:
rand(36**8).to_s(36)
=> "uur0cj2h"
...
Deserializing JSON to .NET object using Newtonsoft (or LINQ to JSON maybe?)
...n magic-strings.
JSON
The JSON string below is a simple response from an HTTP API call, and it defines two properties: Id and Name.
{"Id": 1, "Name": "biofractal"}
C#
Use JsonConvert.DeserializeObject<dynamic>() to deserialize this string into a dynamic type then simply access its proper...
Split List into Sublists with LINQ
... public void Reset()
{
// per http://msdn.microsoft.com/en-us/library/system.collections.ienumerator.reset.aspx
throw new NotSupportedException();
}
}
EnumeratorWrapper<T> wrapper;
...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...Python perform excellent in such a scenario. Here's a shameless blog plug: http://www.hydrogen18.com/blog/unpickling-buffers.html . I'm using Stackless, which is derived from CPython and retains the full C module interface. I didn't find any advantage to using PyPy in that case.
In mongoDb, how do you remove an array element by its index?
...ht way of pulling/removing by array index. In fact, this is an open issue http://jira.mongodb.org/browse/SERVER-1014 , you may vote for it.
The workaround is using $unset and then $pull:
db.lists.update({}, {$unset : {"interests.3" : 1 }})
db.lists.update({}, {$pull : {"interests" : null}})
Up...
Design patterns or best practices for shell scripts [closed]
...
There was a great session at OSCON this year (2008) on just this topic: http://assets.en.oreilly.com/1/event/12/Shell%20Scripting%20Craftsmanship%20Presentation%201.pdf
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