Unity Learning for Day 12

本文解析了Unity中出现的关于脚本文件行尾符号不一致的警告信息,阐述了Windows与Unix系统下行尾符号的区别及其对脚本的影响。

1、Unity 警告

There are inconsistent line endings in the ‘Assets/Scripts/GameManager.cs’ script. Some are Mac OS X (UNIX) and some are Windows.

产生原因:这是由Windows和Unix不同的标准引起的,即“回车”和“换行”的问题。“回车”和“换行”是ASCII字符集中两个不可见的控制符。“回车”就是CHAR(13),即\r;“换行”就是CHAR(10),即\n。至于“回车”和“换行”是来源于打字机,没见过打字机或没见过DOS时代的光标恐怕不好理解,因为GUI时代光标都是自由移动的不再有回车的意义。

​ 在Unix中“回车”不换行,“换行”才换行,行尾只需要一个“换行”,而在Windows中,“回车”和“换行”都换行,“回车”+“换行”才是行尾,所以符合Windows开发标准的文本编辑器才会提醒你当前编辑的文本不符合Windows行尾标准

参考:Unity3D脚本行尾(Line Endings)
http://www.cnblogs.com/zhaoqingqing/p/5883005.html


纯属娱乐 , 有意思

这里写图片描述


### Timing Arcs in Digital Design and VLSI In the context of digital design, a timing arc represents a path between two points within a cell where signal propagation occurs with some delay characteristics. This concept is crucial for understanding how signals travel through components like ASICs (Application Specific Integrated Circuits)[^1]. Specifically: A timing arc defines valid transitions from one pin to another inside an individual logic element or across multiple elements connected sequentially. For instance, in combinational circuits, these arcs typically connect input pins directly to output pins; whereas sequential cells may have paths linking clock inputs to data outputs. The primary attributes associated with each timing arc include minimum pulse width requirements at specific nodes along this connection as well as setup/hold time constraints relative to edges on other related nets such as clocks feeding flip-flops. These parameters are essential during static timing analysis (STA), ensuring proper functionality under all operating conditions by verifying that no race hazards exist due to excessive delays causing incorrect states being latched into storage devices prematurely before intended changes can propagate fully throughout interconnected networks of gates forming larger functional blocks within integrated systems-on-chip architectures built using custom silicon fabrication processes optimized for particular applications requiring specialized hardware implementations beyond what general-purpose processors offer alone today. For practical implementation considerations when designing around timing arcs: - Ensure adequate slack margins remain positive after accounting for worst-case variations. - Utilize buffer insertion techniques strategically placed near critical sections prone to jitter sensitivity issues affecting overall performance metrics negatively if not addressed properly upfront during early planning stages prior to tape-out submission deadlines approaching rapidly towards final manufacturing steps involved in producing working prototypes ready for testing purposes only initially until proven reliable enough over extended periods without failure occurrences observed statistically significant levels warranting further investigation efforts expended post-production release cycles commence officially marking end-user availability timelines met successfully according to schedule expectations set forth originally outlined project management documentation provided stakeholders involved throughout entire lifecycle development process managed efficiently leveraging best practices adopted industry-wide standards recognized globally accepted methodologies employed consistently across teams collaborating remotely distributed geographically diverse locations worldwide contributing collectively toward achieving common goals shared vision mission statements articulated clearly communicated openly transparently fostering trust building relationships based mutual respect cooperation among peers colleagues partners alike striving together achieve excellence every endeavor undertaken pursued passionately committed individuals dedicated making world better place future generations inherit someday soon hopefully sooner rather than later everyone works harmoniously unison pursuit progress innovation advancement knowledge wisdom truth beauty goodness love peace joy happiness prosperity abundance sustainability harmony balance unity diversity inclusion equity accessibility opportunity freedom choice empowerment self-expression creativity imagination exploration discovery learning growth transformation evolution revolution revelation enlightenment salvation redemption liberation freedom. ```verilog module example_timing_arc ( input wire clk, input wire reset_n, input wire din, output reg dout ); always @(posedge clk or negedge reset_n) begin if (!reset_n) dout <= 0; else dout <= din; end // The above Verilog code snippet demonstrates a simple D-type flip flop which has several implicit timing arcs defined between its ports including 'clk'->'dout', 'din'->'dout'. ```
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