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How to read json file into java with simple JSON library
...o Java Object.
ObjectMapper mapper = new ObjectMapper();
InputStream is = Test.class.getResourceAsStream("/test.json");
testObj = mapper.readValue(is, Test.class);
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List comprehension on a nested list?
...e if it is actually true. I used python version 3.5.0 to perform all these tests. In first set of tests I would like to keep elements per list to be 10 and vary number of lists from 10-100,000
>>> python -m timeit "[list(map(float,k)) for k in [list(range(0,10))]*10]"
>>> 100000 l...
Prefer composition over inheritance?
.... So the goose is more or less cooked once you derive from TypeA.
My acid test for the above is:
Does TypeB want to expose the complete interface (all public methods no less) of TypeA such that TypeB can be used where TypeA is expected? Indicates Inheritance.
e.g. A Cessna biplane will expos...
How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
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According to this updated test jsperf.com/short-scope/5 passing 'window' is actually slower, when it come to get a window constant through jQuery, and particularly bad for Safari. So while 'undefined' has a use case, I am not quite convinced that 'win...
C# loop - break vs. continue
...s here just use the standard for loop, but will this work for pre and post tested while loops? The goto notation leads me to believe so, but need some verification.
– Daniel Park
Aug 8 '13 at 3:02
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What does send() do in Ruby?
...ibility checks, so that you can call private methods, too (useful for unit testing).
If there is really no variable before send, that means that the global Object is used:
send :to_s # "main"
send :class # Object
s...
Git - push current branch shortcut
...the remote tracking branch.
git branch --set-upstream feature/123-sandbox-tests origin/feature/123-sandbox-tests
Then you can simply use git push to push all the changes. For a more complete answer, please see the accepted answer to a similar question here.
If you only want to push the current b...
Should everything really be a bundle in Symfony 2.x?
... soon as they are autoloaded.
In a routing definition file, you can use:
test:
pattern: /test
defaults: { _controller: Controller\Test::test }
It can be any plain old php object, only tied to the framework by the fact it has to return a Symfony\Component\HttpFoundation\Response object...
Command-line Unix ASCII-based charting / plotting tool
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The latest version was released in 2007, so yes. A better patch that might actually get released would involve adding another flag and conditionalizing the behavior, but I haven't yet wanted to put in the effort to do that.
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Check if an apt-get package is installed and then install it if it's not on Linux
...ok config-files or similar, so it's "ok" - so to me, this is not a safe test. dpkg-query -l doesnt seem to return a useful result in this case either.
– keen
Sep 23 '16 at 19:49
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