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Differential Directory, indexing method 4 Weeks Ago by xrjf … require updating at most two or three nodes. The Differential Directory (DiDi) stores only the difference between each key and the… Re: Differential Directory, indexing method 4 Weeks Ago by xrjf About DiDi DiDi (Differential Directory) was originally developed as part of my thesis project in … Re: Differential Directory, indexing method 4 Weeks Ago by rproffitt DiDi appears to be some China based UBER service but then again I can't find a question or much else to discuss here. Re: Differential Directory, indexing method 4 Weeks Ago by xrjf For example, as Donald Knuth points out in The Art of Computer Programming, the theoretical lower bound for comparison-based sorting algorithms is K × log₂(N). I developed a very simple method that matches this performance. However, DiDi goes far beyond: its performance is proportional to K × (maximum key length), regardless of the number of … Re: Differential Directory, indexing method 4 Weeks Ago by xrjf As an illustration, consider the theoretical lower bound for comparison-based sorting, as stated by Donald Knuth in The Art of Computer Programming: K × log₂(N). I developed a simple method that matches this limit. For example, to sort the list {2, 5, 7, 1, 4, 3, 8, 6}: Sort pairs: (2, 5) → [1] (1, 7) → [2] (3, 4) → [3] (6, 8) → [4] Merge… Re: Differential Directory, indexing method 4 Weeks Ago by xrjf "Just to clarify a previous mistake: the efficiency should be K × N × log₂(N), not K × log₂(N) as I initially wrote." Re: Differential Directory, indexing method 3 Weeks Ago by xrjf I've just made an update because some records weren't being added properly. The issue was that the form didn't take into account that the register field (in the call to DiDi) is passed by reference. Re: Differential Directory, indexing method 2 Weeks Ago by xrjf Just a quick update for anyone interested: I have revisited and significantly improved the code, aiming for a more professional structure and better performance. The updated version avoids freezing the UI during long operations and follows more robust programming practices. If you’d like to see DiDi in action, there is also a video … Re: Does web directory submissions are dead for SEO 1 Month Ago by Apnaghar Interi Directory submissions aren't completely dead for SEO, but their impact is minimal. Choose niche directories with strong authority and high quality. The modern SEO strategy focuses more on content, backlinks and the user experience. Re: Does web directory submissions are dead for SEO 1 Month Ago by theKollab Web directory submissions are less effective for SEO today but can still provide value when used strategically and cautiously. Re: How to get niche related backlinks 2 Months Ago by Olu_610 Have you tried Dubai Kitchenware Directory and Kitchen Appliances UAE. They should give a successful result. You can also try r/Cooking on reddit. The Reddit community is an excellent opportunity to create backlinks as well. Re: How secure is Github? 1 Month Ago by Salem …;just me", then password protected tarballs of your `.git` directory, uploaded to one of the more trustworthy sites might be… directory 10 Years Ago by omthavertch directory dead or still alive directory submission 15 Years Ago by Brainshakers Directory Submission is really a useful tool for Internet marketing and provide good value to website but if its done by really good and professional hands. Their are number of directories which have been spammed by various search engines; if some one is not capable to identify them than this submission may harm your website. Be careful! Re: directory 10 Years Ago by happygeek Which people? Seriously, I don't know anyone, not a single one, who still uses a directory site and I know a **lot** of people. This has been true for many years now. Search killed the directory model dead, as Dani says, as a doornail. Re: directory 10 Years Ago by Kelly Burby Directories are dead a long time ago! There is just no need of directory submissions, only Yahoo and DMOZ directory submissions is enough ! Re: directory 10 Years Ago by Ketul_1 Yeah, directory submission is now not a useful method for link building. Only high PR and do follow directory are useful and there are no guarantue for approval. Re: directory 10 Years Ago by omthavertch ok but why people still using directory Re: Directory submission? 10 Years Ago by dubaicompanion Directory submission is as good until you are doing in related niche and to only few well ranked directories. Now these days there are lots of spam directories with fake page rank. So, no need to do submission in all of them. Try only doing **Quality Directory Submission** not Bulk Directory Submission. Re: Directory submission? 11 Years Ago by allenhill99 Directory submissions are the most affordable form of link building. SEOs prefer it as an easy way to create back links. SEOs prefer directory submission as quick and cost effective way to get the new sites noticed by search engines. And thus get indexed in the search database faster. Re: Directory vs Article submission for SEO 13 Years Ago by aeronmarino Directory and article submission are both of same to get traffic. But, Directory submission is more effective in seo. You can choose lot of option to submit your site in directories. Directories give you permanent link instead of article link. Directory submission is best instead of article submission. Re: Directory submission? 12 Years Ago by olam033 Directory submission is good way to get good quality traffic on your website. It creates good quality backlinks. Also increase ranking in search engines. Re: Directory submission? 11 Years Ago by allenhill99 Directory Submission is getting high quality back links for your website. Quality backlinks improves our keyword ranking in search engines and help us to increase our blog traffic and page rank. Re: Directory submission? 11 Years Ago by ashokaa Directory Submission is a good technique of off page optimization in SEO for getting quality backlinks.It should be done in high page rank website. Re: Directory submission? 10 Years Ago by thaversantosh Directory submission is good , if it is paid , then you will get link instantily and it work for your website . Re: Directory submission? 10 Years Ago by Eluminous1 Directory Submission is very Good things for Getting backlinks but it take long time for approval so,also try another off page SEO strategies for SEO. Re: Directory submission? 10 Years Ago by biometric Directory submission is dead, now a days. Re: Directory submission? 10 Years Ago by VM_1 directory submission is still effective but don't rely on that is not going to help you in big way Re: Directory submission? 10 Years Ago by SusanJohnsonrps Directory submission is initial stage SEO but if we DA, PA, Rank and quality meta submission in proper category in limit. I am sure this is beneficail. Re: Directory Submission Still Effective? 15 Years Ago by logodesigner Directory submission is still effective to me unless the directory site approved me. It is important to check the ranking of that site