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DbEntityValidationException - How can I easily tell what caused the error?
I have a project that uses Entity Framework. While calling SaveChanges on my DbContext , I get the following exception:
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How using try catch for exception handling is best practice
...ew ApplicationException("custom message", innerException) to keep track of what really happened
Additionally, I try my best to sort exceptions correctly. There are exceptions which:
need to be shown to the user immediately
require some extra processing to put things together when they happen to ...
How to prevent blank xmlns attributes in output from .NET's XmlDocument?
...cument xml = new XmlDocument();
xml.AppendChild(xml.CreateElement("root", "whatever:name-space-1.0"));
xml.DocumentElement.AppendChild(xml.CreateElement("loner", "whatever:name-space-1.0"));
Console.WriteLine(xml.OuterXml);
Thanks everyone to all your answers which led me in the right direction!
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Defining and using a variable in batch file
...ble you’ve created can be referenced with %location %. If that’s not what you want, remove the extra space(s) in the definition.
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What can be the reasons of connection refused errors?
I'm trying to write a server program in C,
using another client, I get this error when I try to connect through port 2080 for example.
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Database: To delete or not to delete records
I don't think I am the only person wondering about this. What do you usually practice about database behavior? Do you prefer to delete a record from the database physically? Or is it better to just flag the record with a "deleted" flag or a boolean column to denote the record is active or inactive?
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What are Bearer Tokens and token_type in OAuth 2?
...he most common one.
https://tools.ietf.org/html/rfc6750
Basically that's what Facebook is using. Their implementation is a bit behind from the latest spec though.
If you want to be more secure than Facebook (or as secure as OAuth 1.0 which has "signature"), you can use "mac" token type.
However,...
Why does Dijkstra's algorithm use decrease-key?
...Te + n Td + m Tk), where Tk is the time required to call decrease-key.
So what effect does this have on the runtime? That depends on what priority queue you use. Here's a quick table that shows off different priority queues and the overall runtimes of the different Dijkstra's algorithm implementa...
How to run a C# console application with the console hidden
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Just what I was going to post :)
– Jon Skeet
May 7 '09 at 19:07
76
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Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.10:test
...ly because I am so new to both Maven and PlayN so I'm not entirely sure at what I'm looking at exactly. But, it is clearly fizzing up at building the core. Seems it can't download an "artifact filter", and is unable to run Surefire's test. But, I'm just speculating on things I don't quite underst...