Jekyll

This page describes my experiences with the static web site publishing tool Hugo. Open link in new tab There is a discussion which describes How to open links in a new tab. ...

Running build-in tomcat server It is possible to deploy Jekyll sites locally, because OSX has a build-in Apache tomcat server. The local sites reside under ~/Sites. However, the setup of this server often changes with new versions of OSX. ...

Mermaid is a JavaScript based diagramming and charting tool that renders Markdown-inspired text definitions to create and modify diagrams dynamically. ...

Optimization General production structure capacited multi-level lot-sizing model PochetWolsey, page 45 $1 \le i \le m$: set of items to be produced $1 \le k \le K$: set of shared resources with limited capacity $1 \le t \le n$: time periods until final period n $p_t$: unit production cost $q_t$: fixed production cost $h_t$: unit inventory cost $d_t^i$: demand for item i to be satisified at period t $M_t$: large positive number, expressing an upper bound on the maximum lot size iin period t $L_t^k$: available capacity of resource k during period t $\alpha^{i k}, \beta^{i k}$: amount of capacity of resource k consumed $1 \le j \le m$: items $D(i)$ set of direct successors of part i in the BOM, i.e. the items consuming some amount of item i when they are produced $r^{i j}$: the amount of item i required to make one unit of item j. r is the dependent demand, and $d_t^i$ is the independent demand $\gamma^i$: lead-time to produce or deliver an lot of i $x_t^i$: the size of product or purchase order of item i launched in period t, and delivered in period $t + \gamma^i$. Decision variables: $x_t$: production lot size in period t $y_t$: binary variable indicating wether there is a positive production in period t $s_t$:inventory at the end of period t Objective Function $$ \begin{aligned} \text{min} \sum_i \sum_t (p_t^i x_t^i + q_t^i y_t^i + h_t^i s_t^i) \cr \text{subject to} \cr s_{t-1}^i + x_{t-\gamma^i}^i & = [d_t^i + \sum_{j \in D(i)} r^{i j} x_t^j] + s_t^i \cr x_t^i & \le M_t^i y_t^i \cr \sum_i \alpha^{i k} x_t^i + \sum_t \beta^{i k} y_t^i & \le L_t^k \cr \end{aligned} $$ ...

This is a list of reminders and open questions I still wanted to look at in more detail. CSV conversion Next to FSharp.Data there is CSVHelper. However, it does not support FSharp types intrinsically. A stackoverflow article describes the details. ...

This post covers some more Jekyll tips and tricks like searching a web page. Searching a Jekyll page Web pages based on databases such as WordPress search the data in the underlying database. Static web sites based on Jekyll however don’t have this database but only files. ...

Mathematical formulas While working on post Mathe Uffzig, I stumbled upon the problem of displaying mathematical formulas in the Jekyll markdown templating engine Liquid. ...

You’ll find this post in your _posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run jekyll serve, which launches a web server and auto-regenerates your site when a file is updated. ...