Embedded procedural programming inside SQL Server Databases

Let’s suppose one is tasked with a complex set of calculations where the input data loads from a database and the output data saves to a database. This has come up a number of times in my consulting work. There are 2 approaches: Use language of choice, read data, perform calculations, write data Work entirely …

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IRT, CAT, and related Packages In R

I’ve been using some of these a lot for some psychometrics software developmont work. TAM: Test Analysis Modules (3.3-10 released 2019-08-23) sirt: Supplementary Item Response Theory Models (3.7-40 released 2019-11-04) mirt: Multidimensional Item Response Theory (1.31 released 2019-09-15) eRm: Extended Rasch Modeling (1.0-0 released 2019-06-06) catR: Generation of IRT Response Patterns under Computerized Adaptive Testing …

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Enabling DNSSEC on Debian and Ubuntu (with systemd-resolved)

Using systemd-resolved opens up some options that may be easier to configure then in the past. Enabling DNSSEC: systemd-resolve –status look for “DNSSEC setting: no” sudo mkdir -p /etc/systemd/resolved.conf.d sudo nano /etc/systemd/resolved.conf.d/dnssec.conf enter: [Resolve] DNSSEC=true sudo systemctl restart systemd-resolved systemd-resolve –status look for “DNSSEC setting: yes”

Some Ubuntu 18.04 problems fixed today

I’ve drafted but not published a long list of problems I’ve experienced with Ubuntu 18.04. In short it’s been one of the worst desktop releases of Ubuntu I’ve used. My experience on servers has been fine. Anyway I haven’t looked into the details of these patches but: libwebkit2gtk-4.0-37:amd64 (2.22.6-0ubuntu0.18.04.1) libjavascriptcoregtk-4.0-18:amd64 (2.22.6-0ubuntu0.18.04.1) These package releases seem …

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