Tag: constraints

Feed: Planet PostgreSQL. In PostgreSQL and many other relational databases, constraints are an integral part of the feature set. Many people are aware of primary keys, foreign keys, CHECK-constraints, table constraints and so on. However, from time to time, the situation is way more complicated. That’s when some more advanced techniques are needed to enforce integrity in the way it is desired by end users.In this post, we will elaborate on restrictions spanning more than one row. What does that mean? Let us envision a simple scenario: We want to store information about airplane ownership. In aviation, it happens more ... Read More

Feed: The Connector by Workato. Author: Anna Kelley; Your organization is in the API game, utilizing API connections to integrate and automate its services and processes. But are you maximizing the potential of those integrations? If you’re on the varsity squad, you might be used to the traditional SOAP (simple object access protocol) API playbook. It’s time to consider how REST APIs—which offer standardized, scalable, and high-performance integrations—can optimize your team’s performance.  There are instances in which a faster, more agile, and more lightweight group of players is who you need on the court to make the right play. These ... Read More

Feed: Featured Blog Posts - Data Science Central. Author: Roberto Quadrini. Epoch0: 1618000449 “Transform limits into constraints to create flexibility” — Roberto Quadrini Goal: Discuss solutions, methodologies, systems, projects to support the Energy Transition towards Energy Convergence Target: Operators, Customers, Regulators, Legislators, Inventors, Academics, Scientists, Enthusiasts Market: #EnergyTransition Power: [mW] TAG: #Epoch #Optimize #PowerMarket #Blockchain #Method #EnergyOptimization #DemandSideResponseAggregator #Electricity #EnergyTransition #DemandSide #ResponseSide #EnergyConvergence #CommoditiesAsAService #EnergyMarket #Supply #Demand #Validator #EU #Response #FlexibilityServices #Ledger #Pool #Consensus #Staking #Mining #EpochONE #MathModel #Algorithm #MachineLearning #DeepLearning #Artificialntelligence #Blockchain #ElectricalFlexibility #Resilience #EnergyCommunity #DemandResponse #GreenDeal #NegaWhEXchange Inspiration: #Aristotle, #GalileoGalilei, #LudwigVonMises #LuigiEinaudi#AbrahamCresques Ledger: Roberto Quadrini [IT] Validator: Stefano ... Read More

Feed: Featured Blog Posts - Data Science Central. Author: OLIVIA CUTHBERT. The increasing constraints of the perimeter have opened up avenues for technological invention. Although there are some serious concerns regarding web applications' security, developments around the world have not stopped. However, this has resulted in the increased use of technology, providing companies with new ways of doing business and recent software trends.   In almost every industry sector, the market dynamics are changing, which has changed the phase of technology as we know it today. But it's not just technology and technology trends evolving; many things have changed this ... Read More

Feed: Featured Blog Posts - Data Science Central. Author: Alice Wright. Cloud accounting is the new technology that most companies and businesses are adopting. There is a big difference between cloud-hosting software and on-premises software. Similar way QuickBooks hosting is way different from the QuickBooks Desktop solution.  QuickBooks Desktop is a famous accounting software that has a broad impact on the accounting industry. With all its distinct features, QuickBooks Desktop has added progress to accounting businesses. But due to the rapidly changing technologies in accounting software demands consistent upgrade in QuickBooks Desktop. That is the one reason QuickBooks installed on ... Read More

Feed: R-bloggers. Author: finnstats. [This article was first published on Methods – finnstats, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. Linear optimization using R, in this tutorial we are going to discuss the linear optimization problems in R. Optimization is everything nowadays. We all have finite resources and time and we want to make the maximum profit out of that. Companies want to makes maximum profits based on limited resources they have, ... Read More

Feed: Featured Blog Posts - Data Science Central. Author: Kurt A Cagle. Several years ago, the typical company website fit into a predefined template - a home or landing page (usually talking about how innovative the company was), a products page, a business client testimonials page, a blog, and an "about us" page. However, as the number of products or services have multiplied, and as the demands for supporting those services have followed suit, your readers had to spend more time and energy finding appropriate content - and web managers had to focus more on keeping things organized than they ... Read More

Feed: R-bloggers. Author: Theory meets practice.... Abstract: When distributing individuals into groups every week for a virtual social mixer, e.g. using Zoom breakout rooms, it’s boring to end up in a group with someone, who you already met last week. We compute the probility for this to happen and state a simple rejection sampling proposal for how to increase social diversity in such groupings. This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. The R-markdown source code of this blog is available under a GNU General Public License (GPL v3) license from GitHub. Introduction As a pandemic replacement ... Read More

Feed: R-bloggers. Author: [R]eliability. Tutorial – Design Study in Solidworks with Data Analysis in R | R-bloggers % mutate(param = case_when( str_detect(param, "Measurement") ~ "measurement", TRUE ~ param )) %>% mutate(param = param %>% as_factor()) study_1_wide_tbl %>% gt_preview() param initial_value scenario_1 scenario_2 scenario_3 scenario_4 scenario_5 scenario_6 scenario_7 scenario_8 scenario_9 scenario_10 scenario_11 scenario_12 scenario_13 scenario_14 scenario_15 scenario_16 scenario_17 scenario_18 scenario_19 scenario_20 scenario_21 scenario_22 scenario_23 scenario_24 scenario_25 scenario_26 scenario_27 scenario_28 scenario_29 scenario_30 scenario_31 scenario_32 scenario_33 scenario_34 scenario_35 scenario_36 scenario_37 scenario_38 scenario_39 scenario_40 scenario_41 scenario_42 scenario_43 scenario_44 scenario_45 scenario_46 scenario_47 scenario_48 scenario_49 scenario_50 scenario_51 scenario_52 scenario_53 scenario_54 scenario_55 scenario_56 scenario_57 scenario_58 scenario_59 scenario_60 ... Read More

Feed: Teradata Blog. Retail & CPG CFO’s are widely seen as the trusted lieutenants to their CEO’s, providing insight that drives strategic decisions, with the best being able to carefully balance both costs and expected return on investment. Sadly, far too many are seen as simply ‘the numbers man/woman’ though, aggregating data from multiple statutory and governance driven backwards looking reports, with “cost first” approaches that are more likely constraining innovation rather than leading it. It does not have to be that way. The CFO’s broad remit, and natural ownership of core financial data, can instead provide the foundation for ... Read More