最贊回答 / meShare
1:readlines的參數是字節數,不是行數2:不加參數,默認把文件讀完,3:參數小于io.DEFAULT_BUFFER_SIZE,他讀出字節數接近于io.DEFAULT_BUFFER_SIZE(8K的一個值)4:如果輸入的值大于io.DEFAULT_BUFFER_SIZE,讀出字節數,接近于io.DEFAULT_BUFFER_SIZE的倍數的字節數,
2015-06-22
a file object itself is a iter object.
so, we can just:
f = open(file_name)
line_count = 0
for x in f:
line_count += 1
so, we can just:
f = open(file_name)
line_count = 0
for x in f:
line_count += 1
2015-06-11
@mooc3r
請問,有沒有ipython notebook的教程,一直不知道ipython notebook怎么用自動補全
請問,有沒有ipython notebook的教程,一直不知道ipython notebook怎么用自動補全
2015-06-08