.Net Class Libraries: Threading responsibility

I am working on a class library and one of the classes is responsible for retrieving an Xml file using XDocument.Load(url) from the internet. Seeing as this operation could take a few seconds to compl

Determine responsibility of saving settings (controller, services and mappers)

EDIT: Because I was to late with awarding the initial bounty of 300 to @arcain I\'m reopening. And awarding the additional 150 to @arcain. Unless of course somebody provides even a better answer. :)

Interface with service layer or domain objects themselves? (DDD)

I\'m still learning about DDD and I have these two (probably simple) questions: If a Factory creates new object/graph/aggregate instances, but also \"reconstitutes\" objects/graphs from the Repositor

MVVM what part of pattern responsible for grouping of datagrid

I\'ve been tinkering around with the MVVM pattern and now I\'m trying to implement a little application based on it.

XNA line segment intersection?

Lets say we have 4 Vector2\'s (yes this is 2d), so we have lineOneStart开发者_Go百科, lineOneEnd, lineTwoStart and lineTwoEnd.

一种喷洒稻的药水，药粉和水的质量比是1:200.现在用150g的药粉配药水，要加多少千克水？？

sequential strpos() faster than a function with one preg_match?

i need to test if any of the strings \'hello\', \'i am\', \'dumb\' exist in the longer string called $ohreally, if even one of them exists my test is over, and i have the knowledge that neither of the

Properly design a code editor application

I\'m working on personal project which is basically a code editor. Imagine standard File menu with menu items New, Open, Save, Save As, Save All, Close, Close All.