In
C++, a preprocessor directive is a ( )
A: single-line
command introduced into a C++ source file
B: command-line argument supplied to the linker
C: command-line
argument supplied to the execution
D: command-line
argument supplied to theoperating system
C++, a preprocessor directive is a ( )
A: single-line
command introduced into a C++ source file
B: command-line argument supplied to the linker
C: command-line
argument supplied to the execution
D: command-line
argument supplied to theoperating system
举一反三
- 19、单行文字的命令是（ ）。 What is the shortkey to the command of single line text?A、MTB、DTC、TTD、RT
- crontab 文件由六个域组成 ,每个域之间用空格分割,其排列如下____[br][/br] A、 MIN HOUR DAY MONTH YEAR COMMAND[br][/br] B、 MIN HOUR DAY MONTH DAYOFWEEK COMMAND[br][/br] C、 COMMAND HOUR DAY MONTH DAYOFWEEK[br][/br] D、 COMMAND YEAR MONTH DAY HOUR MIN
- 阅读以下打印九九乘法表程序，A处应该填入______________[br][/br]#!/bin/sh[br][/br]col=1[br][/br]line=1[br][/br]while [ "$line" -le 9 ][br][/br]do[br][/br] ___ A_______[br][/br] while [ "$col" -le "$line" ][br][/br] do[br][/br] val=`expr $col \* $line`[br][/br] echo -n "$col * $line=$val "[br][/br] col=$(($col+1))[br][/br] done[br][/br] echo ""[br][/br] line=$(($line+1))[br][/br]done A: col=1 B: col=2 C: col=0 D: line=1
- ____<br/>is that we have to make a decision today. A: The bottom line B: The last line C: The first line D: The middle line
- Which of the following is not a feature of Busybox() A: It compresses a large number of programs into a single file. B: It identifies each command with the command line parameter 'argv [1]'. C: It establishes a symbolic link for each command. D: It joins the common parts of multiple commands and keeps only one copy.