尊敬金鱼

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3年1月7天

Java Integer和String内存存储

先看代码:void foo(){ Integer i1 = 2; Integer i2 = 2; Integer i3 = new Integer(2); System.out.println("i1 = i2? " + (i1 == i2)); //true System.out.println("i1 = i3? " + (i1 == i3)); /

Qt项目中.gitignore文件通用文档

在含有.git文件夹的文件夹下创建.gitignore文件,输入以下:# swap files (usually generated by vim)*.swap# cppcheck scrips and reports*cppcheck**cppchk*# Prerequisites*.d# Compiled Object files*.slo*.lo*.o*.obj# Protobuf generated files*.pb.h*.pb.cc# Precompil

FPGA学习: Verilog刷题记录(11)FPGA学习: Verilog刷题记录(10)

FPGA学习: Verilog刷题记录(10)刷题网站 : HDLBits第三章 : Circuits第二节 :Sequential Logic第一节:CountersFour-bit binary counter题目描述:Build a 4-bit binary counter that counts from 0 through 15, inclusive, with a period of 16. The reset input is synchronous, and should