hse | HSE : Heterogeneous-memory storage engine | Database library
kandi X-RAY | hse Summary
kandi X-RAY | hse Summary
HSE is a fast embeddable key-value store designed for SSDs and persistent memory. HSE optimizes performance and endurance by orchestrating data placement across DRAM and multiple classes of solid-state storage. HSE is ideal for powering Databases, Software-Defined Storage (SDS), High-Performance Computing (HPC), Internet of Things (IoT), and Machine Learning (ML).
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QUESTION
I want to write a code for STM32F446 MCU with registers (no Hal functions). Here is my code but I can not define any variable in this code. Any variable I define in this code, is not executable. For example I defined a variable "timer" in the end lines of my code which is being increased in an infinite while loop. but in debugging, the pointer jumps from line "timer++" and does not execute it. How can I fix it?
...ANSWER
Answered 2021-May-14 at 06:13Unless you do something with the vaiable timer
(such print it out) then the compiler can tell that you don't need it and saves time by not really accessing it.
If the reason that you are using it is to waste some time, try declaring it volatile int timer
.
Also, note that you are wasting time between setting and clearing PA5, but not between clearing and setting. Maybe the jump instruction to go back to the start of the loop will waste some time, but maybe this will not be where you expect it.
QUESTION
I am using STM32 cubeMX for configuration and Keil for programming. Have set onboard led pin pc13 pin as an output pin and default in push-pull mode. Set debugger to the serial wire as I am using ST-link V2 as a debugger. RCC set HSE to crystal/ceramic resonator. and clock configuration set to default and generated project.
Now I started with a simple LED blink program. As below
...ANSWER
Answered 2021-Feb-07 at 06:25It seems like finally, I got the problem when I noticed the reset problem in the controller I searched around and find something here.
So I checked my optional bytes set in MCU with the STM32 cube programmer. It was set as below.
Therefore I enabled these three optional bytes.
And the problem of reset was gone and I am now able to use the HAL_delay function properly and now the value of HAL_GetTick() is also increasing more than 300.
Still have one dought I think watchdog was causing reset but why it only cause that when I use the timing function.
QUESTION
I am trying to learn React Hooks with a Bootstrap Modal example. I have the following Modal (from the react bootstrap website).
...ANSWER
Answered 2021-Jan-30 at 22:04Here is the solution You have to pass show in props to the model
Put this state into your I'm guessing createOwner
component from which you shared onSubmit method
QUESTION
I'm trying to get the STM32F446 running at full speed, following this tutorial: https://www.youtube.com/watch?v=GJ_LFAlOlSk&t=826s i did everything he does, but the clock speed of my timers is DEADLY slow, like literally, when blinking an LED with pre-scalar of 9 and ARR of 20, it is easily visible by eye.. Wt* am i doing wrong ?
...ANSWER
Answered 2020-Dec-05 at 05:06Below is a complete working project for the NUCLEO_F44RE using gnu tools, everything you need to build and run.
Differences.
I am starting off in the default power mode (well looks like so ar you yes?), so conservatively set the flash divisor to 8 (9 clocks). (can try this after, I would personally set for 8 first get it working then work back to 5).
I am neither using I nor D cache.
I set the system to HSE then set the PLL to use it as well. You skip that and that is probably fine as the HSE is up and ready (to be used by the PLL).
this line
QUESTION
I wanted to show the confidence interval on the plot which I have made for the cubic spline of the data, but I have no idea how it should be done. From theory, I know that the CI should diverge from the fitted line when we get closer to the edges, but the only solution I came up with is this janky addition, which does not show the correct CI.
Here is the code:
...ANSWER
Answered 2020-Nov-22 at 15:47If you use:
QUESTION
I wanted to create a Logit plot for a natural cubic spline function with four degrees of freedom for P(wage > 250) but the error occurs for some reason. I don't understand why, because OLS works fine.
Here is the code (it should be fully working without any tweaks, except, of course, the part in question):
...ANSWER
Answered 2020-Nov-15 at 17:08First, your dependent variable is wrong, it should be df.wage>250
instead of df.age>250
.
Second, I am not sure you need a spline with 4 degrees of freedom (meaning up to the x^4 polynomial) for a single variable. If you look at your data, it is not so complex:
QUESTION
I am trying to make a pairplot using sns
, but for some reason, it refuses to plot the first one. What may cause this issue?
Here is the fully working code:
...ANSWER
Answered 2020-Oct-15 at 11:48I did some tinkering, and it seems like the issue has to do with how pairplot deals with the diagonal plots (topleft to bottomright), in your case it it the first plot (in the topleft). Usually along the diagonal the same values "meet" on the x and y axis, and a histogram like plot is created (see examples at https://seaborn.pydata.org/generated/seaborn.pairplot.html ).
You could use subplots, that is the most straightforward way to achieve the plot you want.
QUESTION
I am trying to implement sklearn's lasso in my code. To test it out, I have decided to make a test with alpha = 0
. This should by definition yield the same result as LinearRegression
, but this is not the case.
Here is the code:
ANSWER
Answered 2020-Nov-05 at 18:03Indeed this seems to yield different results. However, running your code, also yielded the following warning:
QUESTION
What I wanted to do is go over some OLS fits with different degrees of polynomials to see which degree performs better at predicting mpg
given horsepower
(while using LOOCV and KFold). I wrote the code, but I couldn't figure out how to apply the PolynomialFeatures
function to every iteration using GridSearchCv
, so I ended up writing this:
ANSWER
Answered 2020-Oct-20 at 17:15This sort of thing seems the way to do it:
QUESTION
I have been trying to make a cubic regression for a few days now, but I encounter the same problem: my result does not coincide with the code I wrote in R to check. The databases are completely the same, so this is not the problem. The code that I have right now is something like this:
...ANSWER
Answered 2020-Oct-03 at 12:32I am not expert in R but, i suppose you dont use orthogonal polynomial, so you have to set raw=TRUE
I have the same result than python statsmodels.api when i use raw=TRUE for R process:
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