Time to live (TTL) is a mechanism that limits the lifespan or lifetime of data in a computer or network
Time to live (TTL) is a mechanism that limits the lifespan or lifetime of data in a computer or network
Questions tagged [ttl]
598 questions
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votes
1 answer
RDF4j .ttl file filter IF statement
I am having problem during compilation. Can you help to figure out the problem please?
`
public static void main(String[] args) throws IOException {
File dir = new File("C:data\\test");
String[] fileNames = dir.list();
FileWriter…
Aram
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2 answers
TTL expired but no packets lost
I was playing around with ping command and I noticed that despite changing value of -i parameter (and therefor receiving message about TTL expired) there was no packet loss.
Could someone please explain to me why is that so?
Result of ping command
zajer
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2 answers
Do you recommend TTL, SPI or I2C with SunSPOT
I am starting to try to interface with some external components (Skyetek M1 Mini or M1 RFID scanner) than supports the following protocols TTL, SPI or I2C. I am wondering which one of these routes you would recommend. The app that is running on the…
smaclell
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1 answer
what is IN in MX-Record and default TTL
can you please help me decode a MX Record like this
1w IN MX 10 mail.example.com
IN MX 20 mail2.example.net
what is IN in above two records and since in second record there is no update time mentioned, as per my understanding…
Muds
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1 answer
Fingerprint Scanner - TTL (GT-511C3) message issue
I am having difficulty setting up my fingerprint Scanner - TTL (GT-511C3). I have bought it from http://www.w11stop.com/manufacturer-sparkfun I'm using the library from https://github.com/sparkfu/Fingerprint_Scanner-TTL/tree/master/FPS_GT511C3 and…
Madiha
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votes
2 answers
Multiple MX records, different TTLs?
I want to know whether the following is expected behaviour.
A zone with a default TTL of 14400 has two MX records as follows:
domain.topleveldomain MX 10 host.otherdomain.topleveldomain (no TTL specified)
domain.topleveldomain 86400 MX 50…
Walrus-fellow
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votes
2 answers
DNS propagation time workaround?
We are getting ready to migrate our website from one hosting to AWS, which means we need to change the IP of our domain and that takes time to propagate. DNS checkers report TTL 3600 for that domain which is not to bad. However, there is a…
FB TKO
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1 answer
why doesnt python run the main function?
I am quite a newby with python. I am asking why python does not run the main function in my case. I put a printing function at the beginning of the main function but it never prints. Although I manage to run the rest of the code to create my html…
kaileena
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votes
1 answer
Rs232 arduino issue
I have a little confusing about arduino uno. I use Serial.print("hi") code then it "hi" appears on the serial monitor. I also use rs232/ttl converter which are connected pin 1 and 0 on the arduino properly.
Then I realize that when…
user2908225
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1 answer
What classes in JAVA can organize checking of TimeToLive in cache?
I'm developing the cache of images in a disk in java. One of requests to cache is TimeToLive parameter. I really dont know, how to do it, that is why I'm asking to you.
As I understand, some independent of main thread method shold check every…
Adey
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votes
1 answer
Hop count and TTL
I'm IT student and I'm learning basic network. As you know, when a message is sent, hop count increases 1 and TTL decreases 1. So why do we need two parameters while I can just use TTL to avoid loop?
Thank you.
lenhhoxung
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1 answer
why does my aws dynamodb TTL keep fire off phantom INSERT and REMOVE event even when there is no item in the table?
I'm doing a project using dynamoDB TTL feature to do scheduled tasks. the scheme came most from this article series:
https://theburningmonk.com/2019/03/dynamodb-ttl-as-an-ad-hoc-scheduling-mechanism/
So I created a dynamoDB table called…
samchen
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