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Deserialize JSON to ArrayList using Jackson
...[] pojos = objectMapper.readValue(json, MyPojo[].class);
This way you avoid all the hassle with the Type object, and if you really need a list you can always convert the array to a list by:
List<MyPojo> pojoList = Arrays.asList(pojos);
IMHO this is much more readable.
And to make it be a...
How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
...e default value "True". This may be a quirk of Visual Studio 2010 where I did my tests.
When you examine the properties of an assembly reference in the Visual Studio UI (select the reference and hit F4), the value you see for the "Specific Version" property tells you whether or not Visual Studio is...
What is the optimal Jewish toenail cutting algorithm?
...e only 5! = 120 unrestricted sequences.
Python example:
#seq is only valid when consecutive elements in the list differ by at least two.
def isValid(seq):
for i in range(len(seq)-1):
a = seq[i]
b = seq[i+1]
if abs(a-b) == 1:
return False
return True
f...
How do I catch a numpy warning like it's an exception (not just for testing)?
...in Python for a project I'm doing. I'm doing a barycentric style one to avoid using an explicit for-loop as opposed to a Newton's divided difference style one. The problem I have is that I need to catch a division by zero, but Python (or maybe numpy) just makes it a warning instead of a normal excep...
Angularjs loading screen on ajax request
...reen (a simple spinner) until ajax request is complete. Please suggest any idea with a code snippet.
15 Answers
...
Convert.ChangeType() fails on Nullable Types
...
Does not seem to work for uniqueidentifier to string.
– Anders Lindén
Nov 5 '18 at 10:32
...
React.js: Wrapping one component into another
...that allow to do some sort of inversion of control to wrap one template inside of another.
3 Answers
...
How to handle static content in Spring MVC?
...tion="/resources/" />
<!-- also add the following beans to get rid of some exceptions -->
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
<bean
class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerM...
How to make inline functions in C#
...eLine(x);
}
Action<int> helloWorld = delegate // parameters can be elided if ignored
{
Console.WriteLine("Hello world!");
}
Lambdas are new in C# 3.0 and come in two flavours.
Expression lambdas:
Func<int, int, int> add = (int x, int y) => x + y; // or...
Func<int, int, int...
Creating instance of type without default constructor in C# using reflection
...
namespace NoConstructorThingy
{
class Program
{
static void Main(string[] args)
{
MyClass myClass = (MyClass)FormatterServices.GetUninitializedObject(typeof(MyClass)); //does not call ctor
myClass.One = 1;
Console.WriteLine(myClass.One); ...