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OSGi: What are the differences between Apache Felix and Apache Karaf?
...f with more feature rich OSGi containers, not with Felix.
To quote Guillaume Nodet (Karaf's author) from here:
Felix is just the OSGi core runtime. Karaf provides a "distribution" based on Felix by adding other features such as a console, an SSH remoting mechanism, a file deployer and more.
I...
Including another class in SCSS
..., but won't work if either of the classes is within a directive (usually a media query); unless they are both in the same directive.
– MartinAnsty
May 29 '13 at 14:37
13
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Select objects based on value of variable in object using jq
...] | select(.location=="Stockholm")' json
{
"location": "Stockholm",
"name": "Walt"
}
{
"location": "Stockholm",
"name": "Donald"
}
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“Insert if not exists” statement in SQLite
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If you have a table called memos that has two columns id and text you should be able to do like this:
INSERT INTO memos(id,text)
SELECT 5, 'text to insert'
WHERE NOT EXISTS(SELECT 1 FROM memos WHERE id = 5 AND text = 'text to insert');
If a record...
dplyr: “Error in n(): function should not be called directly”
...produce one of the examples in the dplyr package but am getting this error message. I am expecting to see a new column n produced with the frequency of each combination. What am I missing? I triple checked that the package is loaded.
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Negative weights using Dijkstra's Algorithm
..., but not all graphs in general. For example, consider this graph:
Assume the edges are directed from left to right as in your example,
Your algorithm will work as follows:
First, you set d(A) to zero and the other distances to infinity.
You then expand out node A, setting d(B) to 1, d(C) to...
How to use ng-repeat without an html element
I need to use ng-repeat (in AngularJS) to list all of the elements in an array.
8 Answers
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AngularJs “controller as” syntax - clarification?
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There are several things about it.
Some people don't like the $scope syntax (don't ask me why). They say that they could just use this. That was one of the goals.
Making it clear where a property comes from is really useful too.
You can nest controllers and wh...
What is LINQ and what does it do? [closed]
...l Basic). The techniques for forming these queries do not rely on the implementation details of the thing being queried, so that you can write valid queries against many targets (databases, in-memory objects, XML) with practically no consideration of the underlying way in which the query will be exe...
Can I tell the Chrome script debugger to ignore jquery.js?
Is there a way to tell the Chrome debugger (or maybe Firebug?) to not break within certain files? To assume they're not broken, essentially? This seems like something they might build in.
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