个人做题总结,希望能够帮助到未来的学弟学妹们的学习! 永远爱你们的 ----新宝宝 1: 题目描述 Your task is to Calculate a + b. Too easy?! Of course! I specially designed the problem for acm beginners. You must have found that some problems have the same titles with this one, yes, all these pro…
php课程 1-3 字符串变量输出方式有哪些(总结:四种) 一.总结 一句话总结:推荐使用双引号中加{$变量名}的形式(echo "my name is {$name}eee !";),加快开发效率.如果要提升运行效率,用单引号加点连接的形式(echo 'my name is '.$name.' !';). 1.四种字符串变量输出方式中哪种最方便? 维护方便,开发方便 第三种:双引号包裹变量+大括号包裹变量 3 $name='user1'; 8 echo "my name i…