Dec 29
Part 2: Some basic Math/Statistics concepts that Data Scientists (the true ones) will usually know/use (came across, studied, learned, used) Covariance and Correlation “Covariance is a measure of how two variables change together, but its magnitude is unbounded, so it is difficult to interpret. By dividing covariance by the product of the two standard deviations, …
Dec 28
Chebyshev’s inequality “In probability theory, Chebyshev’s inequality (also called the Bienaymé–Chebyshev inequality) guarantees that, for a wide class of probability distributions, no more than a certain fraction of values can be more than a certain distance from the mean. Specifically, no more than 1/k2 of the distribution’s values can be more than k standard deviations …
Dec 28
Chebyshev’s inequality "In probability theory, Chebyshev’s inequality (also called the Bienaymé–Chebyshev inequality) guarantees that, for a wide class of probability distributions, no more than a certain fraction of values can be more than a certain distance from the mean. Specifically, no more than 1/k2 of the distribution’s values can be more than k standard deviations …
Dec 25
Wacom Huion Gaomon Parblo https://www.amazon.ca/Wacom-Drawing-Software-Included-CTL4100/dp/B079HL9YSF/ref=pd_sbs_147_t_1/137-1911729-0010732?_encoding=UTF8&pd_rd_i=B079HL9YSF&pd_rd_r=074faca6-26a6-4641-a332-ce30be389507&pd_rd_w=IlKml&pd_rd_wg=Nkchc&pf_rd_p=9926bb69-42b9-46e4-b788-f665992e326d&pf_rd_r=80CN0VDRKW9R930AA6JV&refRID=80CN0VDRKW9R930AA6JV&th=1 https://www.amazon.com/Wacom-CTL4100-Graphics-Software-included/dp/B079HL9YSF/ref=dp_ob_title_ce https://www.amazon.ca/1060Plus-Graphics-Drawing-Pressure-Sensitivity/dp/B01DZLKYEW/ref=sr_1_11_sspa?keywords=huion&qid=1549776343&s=gateway&sr=8-11-spons&psc=1 https://www.amazon.ca/dp/B07KTWH92W/ref=sspa_dk_detail_4?psc=1&pd_rd_i=B07KTWH92W&pd_rd_w=JpuEc&pf_rd_p=4b7c8c1c-293f-4b1e-a49a-8787dff31bcb&pd_rd_wg=iTLjs&pf_rd_r=GETQN0DH9BFBH4VQDZ9B&pd_rd_r=748b80f9-aa5e-43b9-837d-6723ebc269c4&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFEMFowQ1BIT0ZBOU8mZW5jcnlwdGVkSWQ9QTA0NjgyNDYySEJJR1BBNklCR1kwJmVuY3J5cHRlZEFkSWQ9QTA5Nzc4NTUzMlEwUjRGRDU5MVhZJndpZGdldE5hbWU9c3BfZGV0YWlsJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ== https://www.amazon.ca/dp/B07KTWH92W/ref=sspa_dk_detail_4?psc=1&pd_rd_i=B07KTWH92W&pd_rd_w=JpuEc&pf_rd_p=4b7c8c1c-293f-4b1e-a49a-8787dff31bcb&pd_rd_wg=iTLjs&pf_rd_r=GETQN0DH9BFBH4VQDZ9B&pd_rd_r=748b80f9-aa5e-43b9-837d-6723ebc269c4&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFEMFowQ1BIT0ZBOU8mZW5jcnlwdGVkSWQ9QTA0NjgyNDYySEJJR1BBNklCR1kwJmVuY3J5cHRlZEFkSWQ9QTA5Nzc4NTUzMlEwUjRGRDU5MVhZJndpZGdldE5hbWU9c3BfZGV0YWlsJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ== https://www.amazon.ca/Huion-Graphics-Drawing-Tablet-Board/dp/B00TB0TTAC/ref=sr_1_15?keywords=wacom+bamboo&qid=1577324928&sr=8-15 https://www.amazon.ca/Graphics-Drawing-Pressure-Eco-Friendly-Battery-Free/dp/B075V3ZS99/ref=sr_1_20_sspa?keywords=wacom+bamboo&qid=1577324928&sr=8-20-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyS04xWEtFS1g0WkFEJmVuY3J5cHRlZElkPUEwMTk5NzkyM045M0NBTE5DQ1VUJmVuY3J5cHRlZEFkSWQ9QTAzMTg2MjMyT0xMV1FNNkI3VlBCJndpZGdldE5hbWU9c3BfYnRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ== https://forum.deviantart.com/art/digital/2472027/ https://forum.deviantart.com/art/digital/2333282/ https://www.reddit.com/r/DigitalPainting/comments/ap1bh7/picked_some_tablets_wacom_huion_gaomon_but_could/ https://www.aliexpress.com/item/32871479347.html?spm=a2g0o.productlist.0.0.25eca677yYEntH&algo_pvid=e977074d-0813-4e27-ba5d-084c5f3cef84&algo_expid=e977074d-0813-4e27-ba5d-084c5f3cef84-0&btsid=cc674771-f08e-4480-984d-a210f1d55b33&ws_ab_test=searchweb0_0,searchweb201602_6,searchweb201603_53 https://www.aliexpress.com/wholesale?catId=0&initiative_id=SB_20191225173733&SearchText=digital+pen https://www.youtube.com/watch?v=a5Kqpnx8fvw https://www.wacom.com/en-us/products/smartpads/bamboo-folio https://www.teachthought.com/technology/how-to-screencast-like-the-khan-academy/ Sayed Ahmed BSc. Eng. in Comp. Sc. & Eng. (BUET) MSc. in Comp. Sc. (U of Manitoba, Canada) MSc. in Data Science and Analytics (Ryerson University, Canada) Linkedin: https://ca.linkedin.com/in/sayedjustetc Blog: http://Bangla.SaLearningSchool.com, http://SitesTree.com Online and Offline Training: …
Dec 10
Optimization Concepts: Convex sets: "A convex set is a set of points such that, given any two points A, B in that set, the line AB joining them lies entirely within that set. Intuitively, this means that the set is connected (so that you can pass between any two points without leaving the set) and …
Dec 09
" mysqldump db_name t1 > dump.sql mysql db_name < dump.sql mysqldump db_name > dump.sql mysql db_name < dump.sql mysqldump –all-databases > dump.sql mysql < dump.sql ALTER TABLE t1 ENGINE = InnoDB; REPAIR TABLE t1; mysqlcheck –repair –databases db_name … mysqlcheck –repair –all-databases " Reference: https://dev.mysql.com/doc/refman/5.7/en/rebuilding-tables.html — Sayed Ahmed BSc. Eng. in Comp. Sc. & Eng. …
Dec 09
sudo php bin/magento indexer:info design_config_grid Design Config Grid customer_grid Customer Grid catalog_category_product Category Products catalog_product_category Product Categories catalogrule_rule Catalog Rule Product catalog_product_attribute Product EAV cataloginventory_stock Stock inventory Inventory catalogrule_product Catalog Product Rule catalog_product_price Product Price scconnector_google_remove Google Product Removal Feed scconnector_google_feed Google Product Feed catalogsearch_fulltext Catalog Search— Sayed Ahmed BSc. Eng. in Comp. Sc. & …
Dec 08
The video is created by Sayed. Rafiq (contractor of Justetc/8112223 Canada Inc.) just bought this from our old site to this site. [All articles where it says: Posted by Rafiq — just mean Rafiq is not the author/creator/writer/in the video — he just did the data entry] — Sayed Ahmed BSc. Eng. in Comp. Sc. …
Dec 08
Magento 2 – how to add products in Magento using REST API and C # https://www.iperiusbackup.net/en/magento-2-data-load-through-rest-api-interface-and-c/ magento-2-create-product-programmatically.html https://www.mageplaza.com/devdocs/magento-2-create-product-programmatically.html insert product programmatically https://magento.stackexchange.com/questions/62036/insert-product-programmatically Programmatically (manually) creating simple Magento product https://inchoo.net/magento/programming-magento/programatically-manually-creating-simple-magento-product/ By Sayed Ahmed BSc. Eng. in Comp. Sc. & Eng. (BUET) MSc. in Comp. Sc. (U of Manitoba, Canada) MSc. in Data Science and Analytics (Ryerson …
Dec 06
Varnish: Configuring Varnish Server i.e. a Cache Server https://varnish-cache.org/docs/5.1/reference/varnishd.html#http-resp-hdr-len /opt/bitnami/varnish/varnishd varnishd [-a address[:port][,PROTO]] [-b host[:port]] [-C] [-d] [-F] [-f config] [-h type[,options]] [-I clifile] [-i identity] [-j jail[,jailoptions]] [-l vsl[,vsm]] [-M address:port] [-n name] [-P file] [-p param=value] [-r param[,param…]] [-S secret-file] [-s [name=]kind[,options]] [-T address[:port]] [-t TTL] [-V] [-W waiter] [-x parameter|vsl|cli|builtin] [-?] — …
