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How to get domain URL and application name?
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The web application name (actually the context path) is available by calling HttpServletrequest#getContextPath() (and thus NOT getServletPath() as one suggested before). You can retrieve this in JSP by ${pageContext.request.contextPath}.
<p>The co...
Create Pandas DataFrame from a string
...f you need code that is compatible with both Python 2 and 3, you can optionally also use from pandas.compat import StringIO, noting that it's the same class as the one that comes with Python.
– Acumenus
Sep 27 '17 at 17:32
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How do I share IntelliJ Run/Debug configurations between projects?
... with others.
You could copy this file and put it in the same location in all your idea projects.
However, in the future, you might want to consider using source control branches for app versions rather than separate projects. IntelliJ handles these very well.
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How to create ASP.NET Web API Url?
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The ApiController has a property called Url which is of type System.Web.Http.Routing.UrlHelper which allows you to construct urls for api controllers.
Example:
public class ValuesController : ApiController
{
// GET /api/values
public IEnumerable<...
Nested or Inner Class in PHP
...There are several compelling reasons for using them:
It is a way of logically grouping classes that are only used in one place.
If a class is useful to only one other class, then it is logical to
relate and embed it in that class and keep the two together.
It increases encapsulation.
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Deserialize JSON to ArrayList using Jackson
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Visually inspect your array to make sure you got back a list at least. And if need be add the mixin back, which should work along with the TypeReference to get everything neatly deserialized.
– Perception
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Python error “ImportError: No module named”
Python is installed in a local directory.
28 Answers
28
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Is there any way in C# to override a class method with an extension method?
...ng virtual I am simply clarifying what it means to be polymorphic. In virtually all uses of GetHashCode, the concrete type is unknown - so polymorphism is in play. As such, extension methods wouldn't help even if they took priority in the regular compiler. What the OP really wants is monkey-patching...
JUnit confusion: use 'extends TestCase' or '@Test'?
...Unit 4)
using the @Test annotation is the way introduced by JUnit 4
Generally you should choose the annotation path, unless compatibility with JUnit 3 (and/or a Java version earlier than Java 5) is needed. The new way has several advantages:
The @Test annotaton is more explicit and is easier to ...
How to inject dependencies into a self-instantiated object in Spring?
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This is actually a bad pattern. If this is how you really use MyBean why not just have constructor with AnotherBean as parameter. Something like: code private @Autowired AnotherBean bean; public void doStuff() { MyBean obj = new M...