今天写程序,想输出一个array的shape,原程序为: print('shape of testUImatrix:%s\nStart to make testUImatrix...'%(testuimat.shape)) 结果报错: TypeError: not all arguments converted during string formatting 这句话有什么问题嘛??感觉有点奇怪,之后google到了这个网页https://segmentfault.com/q/101000000…

print ("So, you're 5r old, %r tall and %r heavy." % (age, height, weight)) print ("So, you're %r old, %r tall and %r heavy." % (age, height, weight)) 说明前后%和后面的参数数量不对应.红色就是错误的地方.…

问题描述:…

Where? 运行Python程序,报错出现在这一行 return "Unknow Object of %s" % value Why? %s 表示把 value变量装换为字符串,然而value值是Python元组,Python中元组不能直接通过%s 和 % 对其格式化,则报错 Way? 使用 format 或 format_map 代替 % 进行格式化字符串 出错代码 def use_type(value): if type(value) == int: return "i…

今天使用mysqldb执行query语句的时候,在执行这条语句的时候: select PROJ, DATE_FORMAT(MAX(DATE),'%Y-%m-%') AS MAXDATE, DATE_FORMAT(MIN(DATE),'%Y-%m-%d') AS MINDATE FROM (SELECT resource.PROJ,`day`.DATE FROM resource,`day` where resource.MAC=`day`.MAC ORDER BY PROJ) AS PROJSE…

今天使用字符串格式化时,遇到的一点小问题:调用这个方法解释器出错了:TypeError: not enough arguments for format string def ll(name,age): print('name:%s,age:%s' %name, age) ll('huhu',18) 运行结果: File "D:/python/pylib.py", line 69, in ll print('name:%s,age:%s' %name, age) TypeError:…

到一个问题,表示100% 的时候,出现这个问题. 因为python语法会认为是你需要转移符,这个时候你可以选择100%% 来表示…

query = "SELECT * FROM devices WHERE devices.`id` LIKE '%{}%'".format("f2333") datas = cur.query(query) 报错: query = query % tuple([db.literal(item) for item in args]) TypeError: not enough arguments for format string 传入query语句拼接出来为 SEL…

原文地址 http://blog.stevex.net/string-formatting-in-csharp/ When I started working with the .NET framework, one thing puzzled me. I couldn’t find sprintf(). sprintf() is the C function that takes an output buffer, a format string, and any number of argu…

biztalk arguments null exception string reference not set to an instance of a string. parameter name: s Solution: Recreate a sendport for SOAP adapter.…