What is the difference between this type of conversion expression? What is better?
// One way
var t:MyClass = MyClass(o);
// Another
var t:MyClass = o as MyClass; Oh, I knew that one befor
Tag: between
Regular expression – problems when capturing text between two letters
I use the following regular expression to get the text between /* and */:
(/\* )+(.+)(\*/) This method is good when this only needs to happen once, for example, when the entire string is like
What is the shortcomings of operating systems – using files as two processes?
I have legacy code that needs to be improved for performance reasons. My application contains two executable files that need to exchange some information. In the legacy code, an exe is written to t
What is the real difference between operating system – real mode programs and protection mode programs?
From the perspective of operating system and hardware, I know the difference between real mode and protected mode.
But I want to figure out how What is the “knowledge” of real mode or protect
Operating System – Does MMU mediates all content between operating systems and physical memory, or is it just an address converter?
I want to understand how the operating system works when we want to assign some value to a specific virtual memory address.
My first question is MMU Does it handle everything between CPU and
What is the difference between the operating system – program, executable programs and processes?
I want to know what is the difference between a program, an executable file and a
processing? in a nutshell –
Program: A program is a set of human-readable formats (HelloWorld.c)
Ex
What is the difference between operating systems – operating systems and meta-operating systems?
I recently heard the term meta operating system while studying ros. Can you help me distinguish between an operating system and a meta operating system? This paper best explains what ROS is and
What is the difference between the page and blocks in the operating system – operating system?
I have learned that int operating system (Linux), MMU can convert VA (virtual address) to PA (physical address) through the page table data structure, it seems that the page is managed by the VM Th
WPF – How to maintain the consistency between the model and the view model in the MVVM mode?
Problem statement
I am writing a very basic WPF application to change the content of the configuration file. The data format is an XML file with a schema. I want to use it as a learning proje
What is the difference between ZooKeeper and any distributed KEY-VALUE store?
I am new to zookeeper and distributed systems, and I am learning it myself.
From what I understand now, it seems that ZooKeeper is just a key Value storage, its key is a path, and the value i