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Zinovy Kalashnikov
Zinovy Kalashnikov

Tiny Url



Unlike some commercial offerings, tiny.ucsf.edu is completely run and maintained in-house. We felt this was important because in the event of a commercial provider going out of business, your short URL would be lost. To learn about our policies and procedures, and FAQ click the button below.




tiny url


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I'm interested in creating tiny url like links. My idea was to simply store an incrementing identifier for every long url posted and then convert this id to it's base 36 variant, like the following in PHP:


The problem here is that the result is guessable, while it has to be hard to guess what the next url is going to be, while still being short (tiny). Eg. atm if my last tinyurl was a1, the next one will be a2. This is a bad thing for me.


Currently I'm working in a research project related to COVID-19. For this, I'm using survey123. The problem is after finishing the design of a data survey, I used to use the tiny URL displayed automatically, something like this . But after the first deployment the link changed to something like this . I tried creating a new survey but the problem remains the same. With long format URLs is very hard to share in platforms such as twitter.. If anybody knows something related to the problem I would appreciate to read your experiences.


Have you ever wondered: Where does this link go? The URL redirect checker follows the path of the URL. It will show you the full redirection path of URLs, shortened links, or tiny URLs. Also referred to as a link checker, url checker, redirect checker, link tracker, url tracker, redirect tracer, link follower, 301 redirect checker, redirect tracker, URL tester, and so on.


If you are an affiliate marketer, then you likely use short links or tiny URLs to mask or shorten your links for social media platforms and other websites. If one of your redirects break then your affiliate income for that particular URL ceases. WhereGoes can help you with check your affiliate links to ensure they are redirecting to the correct places.


If you want to know where a tiny link goes, then you can also use WhereGoes as a link expander. It will show you exactly where that tiny URL goes and the full path of it. This is great to use if you are unsure where the link will take you or you want to see what affiliates are involved in the redirection process.


For a frequently accessed page such as a Chat queue, you might need to gener","articleBody":"How to generate a shortened/tiny URL for a Chat queueDescriptionFor a frequently accessed page such as a Chat queue, you might need to generate a short/tiny URL that is user friendly.


The site makes URLs tiny at a rate of about 1 billion per month. Which is where the $1 million comes in. Gilbertson could make about that much if he chose to attach a pop-up advertisement on each URL. But he won't, on principle.


On the one hand I like to see in a link already what it is about. But I understand if I change the name of the page or move the page to another space, etc. the link would be broken.The tinylink works like a permanent link that is always available as long as the page exists (at least I believe so).


Is this page based on Confluence? It looks fantastic.I cannot see where you use the tiny-url or how to create a pretty URL that is permanent. Is there something I am not aware of? To me a pretty URL is a human-readable URL as stated in the original post.


I cannot see where you use the tiny-url or how to create a pretty URL that is permanent. Is there something I am not aware of? To me a pretty URL is a human-readable URL as stated in the original post.


The following two functions grab the URL at point, feed it to tinyurl.com or metamark.net and retrieve a smaller URL redirection, which is placed in the kill-ring to conveniently yank it where you need it.


TinyURL is an online URL shortener service. It takes a long link that may be many dozens of characters in length, and it turns it into a relatively tiny link. The shorter link is easier to handle, but it can also mask the identity of the site that the link leads to. If you are uncertain of the reliability of a TinyURL link, you can take steps to check the link's safety.


You could check Google search volumes for those phrases. It is also perfect case for easy A/B test. Most precise would be "Short URL", as "link" is broader term, and "tiny" is not only related to length. But to test is the best. :)


According to this page, Confluence's tiny links are generated by encoding the content ID of a page. Because this encoding is reversible, a page's content ID can be found directly from the link by Confluence without a database lookup.


Unfortunately the (fairly common) scenario of migrating from self-hosted Confluence to Confluence OnDemand requires space imports, which means all content gets new IDs. This invalidates the 'tiny' part of all the tiny links someone may have used in other systems to link to their wiki content. If they had used non-tiny links, they could simply change the base URL part of the links, but now even that will not be sufficient to get the old links working again.


A user generates a tinyurl by entering into a tinyurl website or via API. Tiny url uses a hashing algorithm to convert the long url into a hash key. This hashkey is stored as a lookup key that returns the long url. The hashkey can be stored in a highly indexed fashion to speed retrieval. The hashkey as is used as the main identifier in the url. Tinyurl.com/hashkey


tinyURL service has very high read RPS, but relatively lower write RPS. Single-leader DBs like MongoDB serves higher read throughput as one can read from either the following replica or the leader replica, despite writes has to go through the leader replica. Leaderless DBs like Cassandra typically provides faster writes and slower reads, as read-repair is needed during reading.


Single-leader systems like MongoDB may have better transaction/atomicity support. For MongoDB, every operation on one document is atomic, and if one tries to insert a record whose _id already exists, a duplicated key error will be returned. In case of two users trying to insert a document under the same key, because of the per-document-atomicity guarantee, the slightly earlier user will win while the slightly later user must wait. Then when the slightly later user wants to write, the duplicated key error will be returned. This seems to guarantee that we will never store colliding tinyURLs in the DB.


Using MongoDB, the need of a KGS seems mostly voided because concurrent writes can be better handled as described above? Upon receiving a duplicated key error, we can simply re-hash the previous tinyURL and try again.


Essentially, with a KGS store, we have two databases, one is the KGS store, one is the tinyURL store. These two data stores are not independent, and states across these two stores need to be consistent. Trying to maintain this consistency is basically re-inventing distributed transactions, which is very hard to get right by application dev engineers, and the idea of distributed transactions had been proven to be not fault-tolerant, because it requires all involved nodes to be up-and-running, which means its fault-tolerance is worse than a single node which only requires one node to be up-and-running. This is what I meant by saying KGS impacts data consistency. 041b061a72


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