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Polymorphism with gson
... problem deserializing a json string with Gson.
I receive an array of commands. The command can be start, stop , some other type of command. Naturally I have polymorphism, and start/stop command inherit from command.
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How to find the 'sizeof' (a pointer pointing to an array)?
...pointing to. There are tricks, like ending the array with a known out-of-band value and then counting the size up until that value, but that's not using sizeof().
Another trick is the one mentioned by Zan, which is to stash the size somewhere. For example, if you're dynamically allocating the a...
Remove blank attributes from an Object in Javascript
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Hi, @EricNguyen, unlike C and other several languages, javascript does not have block scope for variables (only function scope), thus, the variable i will always leak into the scope after the for block.
– Gerardo Lima
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Comment Inheritance for C# (actually any language)
... information but only blow up the code unnecessarily. If a tool can understand what a method does from its name, than a person can also understand and no doc is needed.
– Lensflare
Jan 8 '16 at 12:59
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Execute AsyncTask several times
In my Activity I use a class which extends from AsyncTask and a parameter which is an instance of that AsyncTask. When I call mInstanceOfAT.execute("") everything is fine.
But the app crash when I press an update button which calls again the AsyncTask(In case the network job didnt work). Cause the...
How to create PDF files in Python [closed]
I'm working on a project which takes some images from user and then creates a PDF file which contains all of these images.
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How do you turn a Mongoose document into a plain object?
...a document from a mongoose find that I want to extend before JSON encoding and sending out as a response. If I try adding properties to the doc it is ignored. The properties don't appear in Object.getOwnPropertyNames(doc) making a normal extend not possible. The strange thing is that JSON.parse(J...
How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?
...elow for 400
return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
and for correct request
return new ResponseEntity<>(json,HttpStatus.OK);
UPDATE 1
after spring 4.1 there are helper methods in ResponseEntity could be used as
return ResponseEntity.status(HttpStatus.BAD_REQUEST).bo...
Difference between static STATIC_URL and STATIC_ROOT on Django
I am confused by static root and want to clarify things.
3 Answers
3
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Why is vertical-align: middle not working on my span or div?
...ng happens. I've tried changing the display properties of both elements, and nothing seems to work.
16 Answers
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