python 3.x - psycopg2.errors.InvalidFunctionDefinition: create function ...
Nov 5, 2020 · psycopg2.errors.InvalidFunctionDefinition: create function must specify volatility attribute (IMMUTABLE|STABLE|VOLATILE) Where exactly do I put this attribute in my query?
Stocks - Calculating Volatility of a Time Series - Stack Overflow
Sep 13, 2021 · Volatility is the (typically annualized) standard deviation of returns over a given period. The exact definition of volatility depends on some conventions (percentage returns vs log returns, …
declaration - Why is volatile needed in C? - Stack Overflow
Oct 29, 2008 · volatile in C actually came into existence for the purpose of not caching the values of the variable automatically. It will tell the compiler not to cache the value of this variable. So it will …
c - Volatile variable - Stack Overflow
Nov 3, 2009 · The volatility of a variable does not change the place in which a variable is stored. What it changes is the semantics around how it is accessed with respect to reads and writes. I do not believe …
How to understand volatile and non-volatile registers?
Aug 14, 2015 · CPU registers can be classified as volatile and non-volatile by calling convension, how does does the meaning of word volatile implies the classification?
why is data warehouse time dependent? - Stack Overflow
Apr 22, 2017 · Did your textbook say "time dependent", or "time variant"? It may be paraphrasing Bill Inmon's definition that a data warehouse is subject oriented, integrated, time variant, and non …
Is the extern keyword necessary when referring a volatile variable ...
extern unsigned char flag; Is this correct and safe, or should the volatile keyword be repeated whenever referencing the variable? i.e.
python - pandas.core.series.Series to float - Stack Overflow
Jun 29, 2021 · Volatility = sec_returns[ticker].std() * 250 ** 0.5 Because in the first instance you're subsetting by passing a string to the DataFrame with a column name and in the second you're …
samba - What is the meaning of these Windows Environment variables ...
What is the meaning of these Windows Environment variables: HOMEDRIVE, HOMEPATH, HOMESHARE, and USERPROFILE? Who set them? When? Who use them? For doing what? How …
Understanding code for pricing Asian Option - Stack Overflow
Jul 6, 2023 · What is the sT variable defined as here? I don't see a definition. What is the for loop for j in range(0, n_simulation) doing exactly? From context it seems like it should be the stock price at time …