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Exception.Message vs Exception.ToString()
...so writes out the properties of the exceptions in a nice order. It's using C# 7 but should be very easy for you to convert to older versions if necessary. See also this related answer.
public static class ExceptionExtensions
{
public static string ToDetailedString(this Exception exception) =>...
Linq select objects in list where exists IN (A,B,C)
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how to use XPath with XDocument?
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What is the garbage collector in Java?
... and returning those chunks to the free store.
EDIT: Yes, the link is for C#, but C# and Java are identical in this regard.
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How can I represent an 'Enum' in Python?
I'm mainly a C# developer, but I'm currently working on a project in Python.
43 Answers
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Configure Log4net to write to multiple files
...ful, but I wanted to share my answer with both the app.config part and the c# code part, so there is less guessing for the next person.
<log4net>
<appender name="SomeName" type="log4net.Appender.RollingFileAppender">
<file value="c:/Console.txt" />
<appendToFile value...
java: HashMap not working
...r"); // NullPointerException
The reason is type erasure. Unlike, say, in C# generic types aren't retained at runtime. They are just "syntactic sugar" for explicit casting to save you doing this:
Integer i = (Integer)myMap.get("foo");
To give you an example, this code is perfectly legal:
Map<...
Using System.Dynamic in Roslyn
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Java: using switch statement with enum under subclass
First I'll state that I'm much more familiar with enums in C# and it seems like enums in java is a quite mess.
6 Answers
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Why use iterators instead of array indices?
...C style idea -- pointer into the never never. They should be like Java or C# or any other language's iterators, with one iterator required (instead of two objects) and a simple end test.
– Tuntable
Feb 1 '16 at 9:34
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