【Pandas to_sql TypeError: sequence item 0: expected str instance, dict found】的更多相关文章

Pandas to_sql TypeError: sequence item 0: expected str instance, dict found

问题介绍 打印了一下数据格式,并未发现问题.如果说是字典实例引起的. 我猜测也是extra字段引起的,因为extra字段是一个json字段.根据网上的提示要对这样的格式进行强转str. 其他发现:pd.to_sql操作还对我们的表进行了删除和重建(if_exists="replace"),改变了我们想要的mysql表数据格式. 可能是pd.df不支持json导致的.表的其他属性也没有被保留. 问题解决 方案:就是采用if_exists="append"的参数方案,在…

TypeError: sequence item 1: expected str instance, int found

Error Msg Traceback (most recent call last): File "E:/code/adva_code/my_orm.py", line 108, in <module> user.save() File "E:/code/adva_code/my_orm.py", line 91, in save sql = "insert {}({}) value({})".format(self._meta[&…

TypeError: sequence item 0: expected string, Tag found

原始代码: soup = BeautifulSoup(result, 'html.parser') content_list = soup.find_all('p', attrs={"class": "art_p"}) content = '<br/>'.join(content_list) 报错内容是: Traceback (most recent call last): File "G:/squid_frame/app_spider/spi…

org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1

org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1 batch:批量 unexpected:意想不到的 actual:实际 expected:预期 报错原因:使用Hibernate的update进行更新时,对象的主键值为空.…

20.org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1

org.hibernate.StaleStateException: Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1 原因:再给数据库中放入新数据的时候加了id,然而有了id,系统默认为修改方法就回去在库中查找,所以出错. 解决方法:将生成的id去掉.…

TypeError: Fetch argument 0.484375 has invalid type <class 'numpy.float32'>, must be a string or Tensor. (Can not convert a float32 into a Tensor or Operation.)

报错: TypeError: Fetch argument 0.484375 has invalid type <class 'numpy.float32'>, must be a string or Tensor. (Can not convert a float32 into a Tensor or Operation.) 出错代码: _, summaries, acc, loss = sess.run([train_step, train_summary_op, acc, cost],…

关于Hibernate级联更新插入信息时提示主键不为空的问题“org.hibernate.StaleStateException: Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1 ”

org.hibernate.StaleStateException: Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1 出现这一错误的主要原因有两个       使用的是hibernate的saveOrUpdate方法保存实例.saveOrUpdate方法要求ID为null时才执行SAVE,在其它情况下执行UPDATE.在保存实例的时候是新增,但你的ID不为null,…

TypeError: Fetch argument 0 has invalid type <type 'int'>, must be a string or Tensor. (Can not convert a int into a Tensor or Operation.)

6月5日的時候,修改dilated_seg.py(使用tensorflow)出現了報錯: TypeError: Fetch argument 0 has invalid type <type 'int'>, must be a string or Tensor. (Can not convert a int into a Tensor or Operation.) 檢查後發現,是在定義了acc_value =tf.reduce_mean(tf.keras.metrics.binary_accu…

关于Error during managed flush [Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1]错误

控制台报错: 08:07:09.293 [http-bio-8080-exec-2] ERROR org.hibernate.internal.SessionImpl - HHH000346: Error during managed flush [Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1] 查阅许多博客得出了自己的理解,请大家指教: 由于存在隐藏表单进…

Python 读写文件 中文乱码 错误TypeError: write() argument must be str, not bytes+

今天写上传文件代码,如下 def uploadHandle(request): pic1=request.FILES['pic1'] picName=os.path.join(settings.MEDIA_ROOT,pic1.name) with open(picName,'w') as pic: for c in pic1.chunks(): pic.write(c) return HttpResponse(picName) 出现TypeError: write() argument must…