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How to parse JSON in Java
...on(String name) {
this.name = name;
}
}
Google GSON (Maven)
My personal favourite as to the great JSON serialisation / de-serialisation of objects.
Gson g = new Gson();
Person person = g.fromJson("{\"name\": \"John\"}", Person.class);
System.out.println(person.name); //John
System....
Can you attach Amazon EBS to multiple instances?
We currently use multiple webservers accessing one mysql server and fileserver. Looking at moving to the cloud, can I use this same setup and attach the EBS to multiple machine instances or what's another solution?
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MongoDB inserts float when trying to insert integer
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My application has broken in different points only for one reason, int is saved and returned as float. I suspect the cause must be some manual insertions I did via mongo shell which uses javascript.
– Me...
Numpy where function multiple conditions
...ists - r - dr/2.) <= dr/2.]
It only creates one boolean array, and in my opinion is easier to read because it says, is dist within a dr or r? (Though I'd redefine r to be the center of your region of interest instead of the beginning, so r = r + dr/2.) But that doesn't answer your question.
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How to save a data.frame in R?
...fer to save them so I don't have to re-run that code every time I re-visit my project. So, preserving that work/tweaks to the structure is important to consider.
– Hendy
Jul 19 '13 at 18:46
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Nullable Foreign Key bad practice?
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As pointed out in my answer I'd be pragmatic in this specific case and not use a link table. I'm sure the normal forms were not invented to improve process flow but rather to ensure consistency and to avoid redundancy. It's a very general disc...
Is it possible to reference one CSS rule within another?
...he elements that have both classes are affected
– Sirmyself
Feb 2 '18 at 21:25
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TypeScript: problems with type system
...g typescript in VisualStudio 2012 and have a problem with its type system. My html site has a canvas tag with the id "mycanvas". I'm trying to draw a rectangle on this canvas. Here's the code
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In Jinja2, how do you test if a variable is undefined?
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I believe this to be the case but my search terms often do not reflect that.
– dannyman
Dec 15 '16 at 18:50
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Elegant way to check for missing packages and install them?
... would really like a function like this that loads a package if present in my library and otherwise installs (and afterwards loads) the package. Ideally I would then use this as a default to load packages. At least it seems it would make sense to do so and would save some time.
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