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實(shí)現(xiàn)一個(gè)簡(jiǎn)單的數(shù)學(xué)計(jì)算函數(shù),傳入3個(gè)參數(shù),計(jì)算出相應(yīng)的結(jié)果。 如: echo "90+20=".cal_culator(90,20,'+'); &nbs
以此文記錄一下我的第一個(gè)PHP擴(kuò)展。 創(chuàng)建PHP擴(kuò)展步驟: 1.cd /soft/php-7.1.0/ext &nbs
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For ex
當(dāng)安裝SlowHTTPTest出現(xiàn):checking for SSL_library_init in -lssl... noconfigure: error: OpenSSL-devel is mis