I am building a neural network on Keras, including multiple layers of LSTM, Permute and Dense. It seems LSTM is GPU-unfriendly. So I did research and use But based on my understanding about with, with is try…finally block to ensure that clean-up code is executed. I don’t know whether the following…
Category: Questions
How to increase size of a screen and center it in the monitor?
I am making a program with several screens and each one has its own size, so each time I change of screen I must re-size the App. The problem is that, when I change the size of the window, Kivy only increase or reduce the lenght of the right and the bottom sides, not the four sides, so the screen
Connecting and testing a JDBC driver from Python
I’m trying to do some testing on our JDBC driver using Python. Initially figuring out JPype, I eventually managed to connect the driver and execute select queries like so (reproducing a generalized snippet): However, I’ve failed to to batch inserts, which is what I wanted to test. Even when execut…
Import error: DLL load failed in Jupyter notebook but working in .py file
I installed BreakoutDetection the module in Anaconda environment. When I tried to import the module using import breakout_detection in jupyter notebook, I get the below error I could import the same module in python shell I looked at the system paths (print sys.path) and in both python shell and jupyter noteb…
How can I extract the nth row of a pandas data frame as a pandas data frame?
Suppose a Pandas dataframe looks like: How can I extract the third row (as row3) as a pandas dataframe? In other words, row3.shape should be (1,5) and row3.head() should be: Answer Use .iloc with double brackets to extract a DataFrame, or single brackets to pull out a Series. This extends to other forms of Da…
MySQL Connector methods `fetchone` and `fetchmany` are not PEP 249 compliant
With Python 3.6.2 and MySQL Connector 2.1.6 package on Windows 10, not calling the execute method of a database cursor, or calling it on a non SELECT statement (CREATE, DROP, ALTER, INSERT, DELETE, UPDATE, etc.) yields the following results: PEP 249 explicitly states for the fetchone, fetchmany and fetchall m…
Git – Should Pipfile.lock be committed to version control?
When two developers are working on a project with different operating systems, the Pipfile.lock is different (especially the part inside host-environment-markers). For PHP, most people recommend to commit composer.lock file. Do we have to do the same for Python? Answer Short – Yes! The lock file tells p…
Can not use both bias and batch normalization in convolution layers
I use slim framework for tensorflow, because of its simplicity. But I want to have convolutional layer with both biases and batch normalization. In vanilla tensorflow, I have: and I rewrote it to slim by this: But this code does not add bias to conv layer. That is because of https://github.com/tensorflow/tens…
Python check isinstance multiprocessing.Manager().Queue()
I am using python 2.7 multiprocessing on windows 7: Output: My question is: I would like to check if a variable is an instance of a multiprocessing queue, how should i go about checking? I have referred to: Check for instance of Python multiprocessing.Connection? Accessing an attribute of a multiprocessing Pr…
Python HTTPConnectionPool Failed to establish a new connection: [Errno 11004] getaddrinfo failed
I was wondering if my requests is stopped by the website and I need to set a proxy.I first try to close the http’s connection ,bu I failed.I also try to test my code but now it seems no outputs.Mybe I use a proxy everything will be OK? Here is the code. and the error is the here! By the