什么叫山马，什么又是XC？玩车子还有些什么分类，都是干什么的？
山地车主要的分类有5种：Trail、XC、AM、DH、FR，最常见的应该就是Trail了，就是两千来块的山地车基本上都是Trail，其次是XC；AM、DH、FR相对来说比较专业，车子一般都不便宜，好像都是五位 …
为什么叉乘运算中 (AxB)xC=-Cx (AxB)=B (C·A)-A (C·B)，它有什么几何意 …
Feb 19, 2022 · 道理很简单的。以 三维向量 为例，两个向量a ,b叉乘的结果是一个与它们都正交的向量c，它在一个过原点且与a，b所在平面垂直的直线上。这个直线是唯一的，但c向量取向可以有正反 …
富士镜头35 选择XF还是XC？ - 知乎
噢，之前好奇过这个问题，简单说说富士35这三个的区别。 1、富士35mm F2，XC跟XF，最大的区别自然是价格，其次就是做工，一个金属，一个塑料，做工自然是金属更好，画质，两者其实半斤八两， …
Having trouble with delay function in MPLAB XC8 compiler
Aug 19, 2022 · You don't need an extra library, but in xc8 the name of the function is __delay_ms(...) with two _. Please remember, these functions are actually in line macros and they have maximum …
2025年山地车入门推荐（500到2500元新手如何选购 山地车最全性价比 …
Sep 2, 2025 · 山地自行车的特点就是皮实耐用，维修成本低，适应路况能力强，不管你是买来通勤或者是锻炼身体都是不二之选的。 二、挑选山地自行车方法 首先选车架，其实大致可分为两种：硬车架、 …
c - #include <xc.h> not accepted - Stack Overflow
#include <xc.h> will only work if xc.h is in the include path. Have you tried #include "xc.h"? Or perhaps you didn't install the full library suite properly.
How to properly use __delay_ms() in libraries in MICROCHIP XC8?
Oct 23, 2020 · IF the problem hasn't resolved yet: You must declare "#define _XTAL_FREQ 500000" before you include the "xc.h" header file. Because __delay_ms () macro makes use of _XTAL_FREQ …
List of All Locales and Their Short Codes? - Stack Overflow
I'm looking for a list of all locales and their short codes for a PHP application I am writing. Is there much variation in this data between platforms? Also, if I am developing an international
.net - Maui Project giving warning XC0103 (markup exetension ...
Jan 27, 2025 · I am getting a series of warnings about markup extension annotations, despite those annotations being present. For example, using the …
Convert a number into a Roman numeral in JavaScript
There is a nice one here on this blog I found using google: http://blog.stevenlevithan.com/archives/javascript-roman-numeral-converter