1) install OpenJDK windows version e.g. zulu versionshttps://www.azul.com/downloads/?ve...
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using OpenJDK Windows binaries in WSL
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[RNN]Understanding LSTM Networks
a very good blog post on RNN and its variant LSTM Colah's blog: Understanding LSTM Netw...
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[PyTorch] in-place update of leaf variable
"RuntimeError: a view of a leaf Variable that requires grad is being used in an in-plac...
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[PyTorch] AdaptiveAvgPool
torch.nn.AdaptiveAvgPool2d(output_size)[https://pytorch.org/docs/stable/_modules/torch/...
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[Ubuntu20.04.6]qt.qpa.plugin: Could not load the Qt platform plugin "xcb"
I recently upgraded Ubuntu to the lasted version, and got this error running a python s...
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[LyX] LaTex editor
LyX[https://www.lyx.org/] LyX is free. The .lyx file could be directly exported as .pdf...
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matrix calculus for deep learning
proof The Softmax function and its derivative[https://eli.thegreenplace.net/2016/the-so...
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[Python] Element-wise logical operators for items and lists are different
Python AND operator on two boolean lists - how?[https://stackoverflow.com/questions/321...
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[numpy] vectorizing random.choice()
Why is numpy.random.choice so slow?[https://stackoverflow.com/questions/18622781/why-is...
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[pandas] .rolling .diff .cumsum - vectorization methods
useful vectorization methods for pandas.DataFrame .diff[https://pandas.pydata.org/docs/...
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[PyCharm] add PYTHONPATH
PyCharm 22.3.2 Professional version To add PYTHONPATH to your current project PyCharm a...
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[numpy] 1-d ndarray broadcasted as a row
This means a 1-dimensional array of shape (5,) can be thought of as a row vector since ...
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[Finance] The Capital Assets Pricing Model (CAPM)CAPM provides a mathematical framework for hedge fund investing It explains how the mar...
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[Finance] Grinold’s Fundamental LawThe fundamental law of active portfolio management Grinold was seeking a method of rela...
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[Finance] Efficient Markets Hypothesis (EMH)Assumptions Large number of investors operating in the market for profit New informatio...
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[Finance] Systematic and Specific Risk
Systematic and Specific Risk[https://financetrain.com/systematic-and-specific-risk] Sys...
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[Finance] Trailing Stop
What Is a Trailing Stop? Example and How to to Use It[https://www.investopedia.com/term...
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[Finance] Rule of 72
What is the Rule of 72 in simple terms?[https://www.primerica.com/public/rule-of-72.htm...
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pandas subsets single column to Series or DataFrame
When subsetting one column named JPM from a dataframe df 1) if you'd like to have a Ser...