Years may wrinkle the skin, but to give up enthusiasm wrinkles the soul.
歲月留痕，只及肌膚；激情不再，皺起心靈。———— Samuel Ullman
使用php內(nèi)置的hexdec函數(shù)在把超大的十六進(jìn)制轉(zhuǎn)換到十進(jìn)制整型表示時(shí)，結(jié)果值如果超出平臺(tái)整型的最大值時(shí)，可能會(huì)丟失精度，比如 0xFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFF 在Python中，使用int(‘FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFF’, 16)計(jì)算結(jié)果是1157920892103562487564203452140208927662503539...