2020-3 问题日志

快来打我* 2023-07-13 13:58 1阅读 0赞

3.12  
[AttributeError: module ‘tensorflow.python.keras.backend’ has no attribute ‘get\_graph’][AttributeError_ module _tensorflow.python.keras.backend_ has no attribute _get_graph]  
Use keras bundled within Tensorflow as suggested by @emikulic solves the problem  
Replace

from keras import backend as k

with:

from tensorflow.keras import backend as k

If this doesn’t solve your problem, You might have to use

from tensorflow.python.keras import backend as k

3.13  
[ModuleNotFoundError: No module named ‘pip.\_internal’][ModuleNotFoundError_ No module named _pip._internal]

python -m pip install --upgrade pip

[AttributeError: module ‘tensorflow’ has no attribute 'get\_default\_graph][AttributeError_ module _tensorflow.python.keras.backend_ has no attribute _get_graph]

> For downgrading the keras : pip uninstall keras  
> pip install keras==2.1.3  
> And it work.

[Custom Keras Generators][]

3-21 java打印指定空格

//在字符串"1"前面打印8个空格
    System.out.printf("%9s\n", "1");
    
    //只打印9个空格
    System.out.printf("%9s\n", "");
    
    //在数字1前面打印8个空格
    System.out.printf("%9d\n", 1);
    
    //打印x个空格
    System.out.printf("%"+String.valueOf(x)+"s", "");

3-30  
[MySQLNonTransientConnectionException: Public Key Retrieval is not allowed][MySQLNonTransientConnectionException_ Public Key Retrieval is not allowed]

[AttributeError_ module _tensorflow.python.keras.backend_ has no attribute _get_graph]: https://github.com/keras-team/keras/issues/12379
[ModuleNotFoundError_ No module named _pip._internal]: https://stackoverflow.com/questions/49940813/pip-no-module-named-internal
[Custom Keras Generators]: https://towardsdatascience.com/writing-custom-keras-generators-fe815d992c5a
[MySQLNonTransientConnectionException_ Public Key Retrieval is not allowed]: https://stackoverflow.com/questions/50379839/connection-java-mysql-public-key-retrieval-is-not-allowed