punching | P2P TCP NAT穿透 P2P TCP NET Punching hold | TCP library
kandi X-RAY | punching Summary
kandi X-RAY | punching Summary
P2P TCP NAT穿透 P2P TCP NET Punching hold
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QUESTION
(sorry for bad english)
I make a project for school : it's a boxing captor made with the Arduino nano 33 ble sense. I only use the accelerometer and gyroscope include on the card. I want to know the acceleration of the boxer's hit in order to deduce the hit power of the boxer. Also the inclinaison of the punching bag will be useful. The captor will be put on the punching bag. The simple programm of accelerometer works but when i try to edit it in order to transfer the data excel i have a error message "Error :DATA < ASCII 10 or >ACSII 200 with PLX-DAQ....". I can't fix it..
can you help me please ?
thanks you for your help !!
...ANSWER
Answered 2021-Mar-13 at 19:07The error says that PLX-DAQ won't accept ASCII characters < 10 or > 200.
\t
, horizontal tab is decimal 9
. Make sure you only send characters which are decimal 10-200 in the ASCII table.
https://en.wikipedia.org/wiki/ASCII
From the PLX-DAQ manual:
- For simple error checking, PLX-DAQ will indicate an error anytime that a string containing characters < ASCII 10 or > ASCII 200 is received.
- Values of ASCII 10 (Line Feed) are replaced with ASCII 13 (Carriage Return) prior to processing.
I suggest you use comma instead of horizontal tab to separate the values.
QUESTION
I am wondering why the below code is pulling in values from Firestore on page load even without me punching in any searchterm. If I start punching in a matching search value I don't see any results as well. Its working the opposite way now. I want it to pull values from the Firestore only when the user puts in a search term. Please advise!
...ANSWER
Answered 2021-Mar-05 at 21:35Try to reverse your ternary operator here
FirebaseFirestore.instance .collection('users') .where('email', arrayContains: _searchTerm ) .snapshots() : FirebaseFirestore.instance.collection("users").snapshots(),
on
FirebaseFirestore.instance.collection("users").snapshots() : FirebaseFirestore.instance .collection('users') .where('email', arrayContains: _searchTerm ) .snapshots()
QUESTION
I've just read
What is the purpose of std::launder?
and frankly, I am left scratching my head.
Let's start with the second example in @NicolBolas' accepted answer:
...
ANSWER
Answered 2021-Feb-12 at 20:28depending on whether or not the code does something like in these examples
Because the compiler cannot always know when data
is being accessed "this way".
As things currently stand, the compiler is allowed to assume that, for the following code:
QUESTION
I am currently in an intermediate statistics class. I ran into a problem in my homework assignment and it is as follows:
From the assignment: "Create a vector x with these 25 observations of BMI for patients with cystic fibrosis...
68, 65, 64, 67, 93, 68, 89, 69, 67, 68, 89, 90, 93, 93, 66, 70, 70, 92, 69, 72, 86, 86, 97, 71, 95
The parts I would like help with:
a. Create a histogram going from 60-100 with breaks at 60, 65, 70, 75, 80, 85, 90, 95, 100."
b. Compute the percentage of observations that fall into the following classes:
- 60-65
- 65-70
- 70-75
- 75-80
- 80-85
- 85-90
- 90-95
- 95-100 total 100%
I created an object named cyst_fibro_sample
to contain the observations. The assignment instructs us to use R to compute some basic statistics such as five number summaries, interquartile range, and standard deviation. I am using the built in hist()
function as I have no variables and only observations to plot and I don't know how to plot the observations using ggplot()
hist(x, breaks = 60,65,70...)
I would like to avoid doing punching in all the values by hand as this is grossly inefficient. However, I can't seem the vector operation for even spacing.
I would like for that argument to be hist(x, breaks = c(60:100, increasing by = 5)
For part b of the assignment, I think we are being asked to compute the density of each category of observation but I am not sure.
Any help is appreciated!
...ANSWER
Answered 2021-Jan-28 at 00:53I am using the cars
dataset from the ggplot2
package.
How about using scale_x_continuous
from the ggplot2
package with seq
?
In your case, seq(from = 60, to = 100, by = 5)
.
QUESTION
This is the code in serverside:
...ANSWER
Answered 2020-Dec-07 at 09:46in util.py the ip should be public not private
QUESTION
In a nutshell, I want to code a punching script where every time the player presses a j key, the punching animation gets played. The issue is that the punching animation is not playing. Here is my code along with my screenshots with the Animator, and my animation for the punching animation.
...ANSWER
Answered 2020-Oct-12 at 10:26In Update
you do
QUESTION
I'm writing a web scraping application in Typescript with Puppeteer. I'm "attaching" a Javascript file with utility functions to the page instance, to make the scraping easier (This is done with Pupeteer's page.addScriptTag
function, see the API here). Here's what one of the utility functions on the page might look like:
ANSWER
Answered 2020-Oct-06 at 21:41Anything inside of page.evaluate
is essentially run inside of Chrome's DevTools console, or in the same context you'd be in if you were to do so. So imports won't work in this context, at least not how you're attempting it. You have to explicitly pass the function into the context like this:
QUESTION
Let us consider scenario where client A is behind NAT A and client B is behind NAT B. TCP hole punching happens which open a port on both the sides for communication. Can Client A host a http/https server on the open port?
...ANSWER
Answered 2020-Oct-06 at 19:23TCP hole punching works only for the specific TCP connection which can be established because a) both sides somehow know the source port of the peer up-front and b) start a TCP handshake with the peer at the same time. Only then a NAT state is established which is also only valid for this specific connection (source IP,port and destination IP,port).
An external client will not match the existing NAT state because source IP,port do not match the existing state. A new state will also not be created from inside just because there is some web server listing. So while the web server could be hosted behind the NAT it will not be reachable from outside the NAT.
QUESTION
I am pulling data from a SQL Server database for a payroll system.
I have the following query:
...ANSWER
Answered 2020-Sep-08 at 21:01As a naive starter for ten, making these assumptions:
- The first log is Never a log-out
- Punches are always shown as pairs
- If someone logs in but not out, ignore the log
Instead of joining, just aggregate and use case statements...
QUESTION
Hi I am not that good with javascript
I have videos and I want when the first video end to play the next video and so. Here is what I tried.
...ANSWER
Answered 2020-Jul-27 at 03:29To autoplay your videos 1 by1 when one had finished with 3 videos remove the autoplay in order for your JS to work properly :
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