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How to deserialize a list using GSON or another JSON library in Java?
...n().fromJson(json, Video[].class));
Warning: the list of videos, returned by Arrays.asList is immutable - you can't insert new values. If you need to modify it, wrap in new ArrayList<>(...).
Reference:
Method Arrays#asList
Constructor Gson
Method Gson#fromJson (source json may be of type Js...
Save Screen (program) output to a file
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@aaa90210 It's ctrl-a followed by a separate press of h for a hardcopy. ctrl-a followed by a separate press of shift-h starts a complete log file.
– James
Mar 27 '18 at 9:47
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IEnumerable vs List - What to Use? How do they work?
...way.
Whenever I'm "stacking" LINQ expressions, I use IEnumerable, because by only specifying the behavior I give LINQ a chance to defer evaluation and possibly optimize the program. Remember how LINQ doesn't generate the SQL to query the database until you enumerate it? Consider this:
public IEnum...
Chaining multiple filter() in Django, is this a bug?
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The way I understand it is that they are subtly different by design (and I am certainly open for correction): filter(A, B) will first filter according to A and then subfilter according to B, while filter(A).filter(B) will return a row that matches A 'and' a potentially different row...
How to get text box value in JavaScript
...nt does not have an ID but just a name. So you could either use getElementsByName() method to get a list of all elements with this name:
var jobValue = document.getElementsByName('txtJob')[0].value // first element in DOM (index 0) with name="txtJob"
Or you assign an ID to the element:
<inp...
How do I get a file extension in PHP?
... You should ensure the value you receive from this is in fact a valid type by querying iana.org/assignments/media-types/media-types.txt or by checking your own MimeType Map.
– John Foley
Apr 23 '15 at 1:11
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random.seed(): What does it do?
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Pseudo-random number generators work by performing some operation on a value. Generally this value is the previous number generated by the generator. However, the first time you use the generator, there is no previous value.
Seeding a pseudo-random number gener...
Disable a method in a ViewSet, django-rest-framework
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By only using the mixins you need you can disable GET, POST, PUT, DELETE Methods but I did not able to find out how to disable the PATCH method specially if you are using routers.
– Muneeb Ahmad
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Why do people use __(double underscore) so much in C++
...iers that contain a double underscore or start with an underscore followed by an uppercase letter are reserved for the use of the implementation at all scopes, i.e. they might be used for macros.
In addition, all other identifiers which start with an underscore (i.e. not followed by another undersc...
Get list of passed arguments in Windows batch script (.bat)
...t variable name is not defined or the
file is not found by the search, then this
modifier expands to the empty string
The modifiers can be combined to get compound results:
%~dp1 - expands %1 to a drive letter and path only
%~nx1 - expands ...