Used writegood suggestions

src/posts/0010-Haskell-Now/index.org

@@ -4,12 +4,12 @@
 #+author: Yann Esposito
 #+EMAIL: yann@esposito.host
 #+keywords: Haskell, programming, functional, tutorial
-#+DESCRIPTION: A very dense introduction and Haskell tutorial. Brace yourself.
+#+DESCRIPTION: A dense introduction and Haskell tutorial. Brace yourself.
 #+OPTIONS: auto-id:t toc:t
 #+STARTUP: overview
 
 #+begin_notes
-A very short and intense introduction to Haskell.
+A short and intense introduction to Haskell.
 
 This is an update of my old (2012) article.
 A lot of things have changed since then.
@@ -24,45 +24,49 @@ This is why I wrote my old article.
 This is the end of 2019 and I still strongly believe that.
 I think you should at least be able to understand enough Haskell to write a
 simple tool.
-There are a few feature in Haskell that I really miss in most programming
+There are some features in Haskell that I really miss in most programming
 languages and that would not appear to be difficult to provide.
 Typically sum types.
 A concept so simple yet so helpful.
 
-Since I wrote my article a few things have changed in the Haskell world.
+Since I wrote my article the Haskell ecosystem has evolved:
 
-1. Project building has a few working solution. When I wrote this article I
+1. Project building has different existing solutions.
-   had a few web application that I can no longer build today.
+   When I wrote this article I made some web applications that I can no
-   I mean, if I really want to invest some time, I'm sure I could make
+   longer build today.
-   those project build again. But this is not worth the hassle.
+   I mean, if I really want to invest some time, I'm sure I could upgrade those
-   Now we have =stack=, =nix=, =cabal new-build= and I'm sure some other
+   projects to build again.
+   But this is not worth the hassle.
+   Now we have =stack=, =nix=, =cabal new-build= and I'm sure other
    solutions.
-2. GHC is able to do a lot more magic than then.
+2. GHC is able to do a lot more magic.
-   This is beyond the scope of an introductory material in my opinion.
+   This is beyond the scope of an introduction material in my opinion.
-   But, while the learning curve is as steep as before the highest point of
+   While the learning curve is as steep as before, the highest point of
-   learning just jumped higher than before with each new GHC release.
+   learning just climbed higher and higher with each successive new GHC release.
-3. Still no real consencus about how to work, learn, and use Haskell. In my
+3. Still no real consencus about how to work, learn, and use Haskell.
-   opinion there are three different perspective on Haskell that could
+   In my opinion there are three different perspective on Haskell that
-   definitively change how you make decisions about different aspect of
+   could definitively change how you make decisions about different aspect
-   Haskell programming. I believe the main groups of ideolgies are
+   of Haskell programming.
-   application developers, library developers and even language (mostly
+   I believe the main groups of ideolgies are application developers, library
-   GHC) developers. I kind of find those tensions a proof of an healthy
+   developers and the main compiler (GHC) developers.
-   environment. There are different solutions to the same problems and that
+   I find those tensions a proof of a healthy environment.
-   is perfectly fine. This is quite different when you compare to other
+   There are different solutions to the same problems and that is perfectly
-   language ecosystems where decisions are more controlled or enforced. I
+   fine.
-   feel fine with both approaches. But you must understand that there is
+   This is different when you compare to other language ecosystems where
-   not really any central mindset within Haskeller unlike I can find in
+   decisions are more controlled or enforced.
-   some other programming language communities.
+   I feel fine with both approaches.
+   But you must understand that there is no central mindset within
+   Haskellers
+   unlike I can find in some other programming language communities.
 4. I think that Haskell is now perceived as a lot more serious programming
    language now.
-   There are a lot more big projects written in Haskell not just toy
+   A lot more big projects uses Haskell.
+   Haskell proved its utility to write succesful complex entreprise
    projects.
-   Thus Haskell as proved that it can be considered to write succesful
-   complex entreprise projects.
 
 While the ecosystem evolved I believe that I myself have certainly matured.
-Since 2013 I am paid to develop in Clojure.
+Since 2013 I'm paid to develop in Clojure.
-Most of my personal side project are written in Haskell or in an
+I write most of my personal side projects in Haskell or in some
 Haskell-inspired language.
 
 As such I can follow two functional programming communities growth and
@@ -83,7 +87,7 @@ With just a very few amount of Haskell features you will already be in
 enviromnent with a *lot* of benefits as compared to many programming
 languages.
 
-So enough talk, here is my old article updated with a few changes and
+So enough talk, here is my old article updated with a some changes and
 cleanups.
 I also added a section about how to create a new project template with nix.
 
@@ -131,11 +135,11 @@ It is because it is hard that Haskell is interesting and rewarding.
 Today, I could not really provide a conventional path to learn Haskell.
 So I think the best I can do is point you to the [[https://www.haskell.org/documentation/][haskell.org]] documentation
 website.
-And you will see that most path involve a quite long learning process.
+And you will see that most path involve a long learning process.
 By that, I mean that you should read a long book and invest a lot of hours
 and certainly days before having a good idea about what Haskell is all about.
 
-In contrast, this article is a very brief and dense overview of all
+In contrast, this article is a brief and dense overview of all
 major aspects of Haskell.
 I also added some information I lacked while I learned Haskell.
 
@@ -151,7 +155,7 @@ The article contains five parts:
 
 - *Dive into the impure*:
 
-  - Deal with IO; A very minimal example
+  - Deal with IO; A minimal example
   - IO trick explained; the hidden detail I lacked to understand IO
   - Monads; incredible how we can generalize
 
@@ -231,7 +235,7 @@ Congratulations you should be ready to start now.
 - =nix= is a generic package manager and goes beyond Haskell.
   One great good point is that it does not only manage Haskell packages but
   really a lot of other kind of packages.
-  This can be quite helpful if you need to depends on a Haskell package that
+  This can be helpful if you need to depends on a Haskell package that
   itself depends on a system library, for example =ncurses=.
 - I use [[http://nixos.org/nix][=nix=]] for other projects unrelated to Haskell.
   For example, I use the nix-shell bang pattern for shell script for which
@@ -368,14 +372,14 @@ Applying a function with the same parameters always returns the same value.
 
 /Laziness/
 
-Laziness by default is a very uncommon language design.
+Laziness by default is an uncommon language design.
 By default, Haskell evaluates something only when it is needed.
-In consequence, it provides a very elegant way to manipulate infinite
+In consequence, it provides an elegant way to manipulate infinite
 structures, for example.
 
 A last warning about how you should read Haskell code.
 For me, it is like reading scientific papers.
-Some parts are very clear, but when you see a formula, just focus and read
+Some parts are clear, but when you see a formula, just focus and read
 slower.
 Also, while learning Haskell, it /really/ doesn't matter much if you don't
 understand syntax details.

src/posts/0012-solaryzed-theme/index.org

@@ -7,22 +7,104 @@
 #+OPTIONS: auto-id:t toc:t
 #+STARTUP: overview
 
-[[https://ethanschoonover.com/solarized/][Solarized]] is a well known and quite common colorscheme.
+The colorscheme of my website is the colorscheme I use for my terminal and
-I used it for many years.
+most of my environment.
-At first, you need to try it for some time.
-But after a few weeks it is very hard to change.
 
-It is very nice to use on a day to day in a terminal.
+This is inspired by both [[https://ethanschoonover.com/solarized/][Solarized]] and [[https://nordtheme.com][Nord]].
-It has a low contrast which is quite valuable to prevent migraine.
 
-Ethan Shoovnover its creator give plenty of information about how he
+So I used [[https://ethanschoonover.com/solarized/][Solarized]] for many years.
-created it.
+And it was really difficult finding a new one that suits my taste.
 
-I wanted a "grayer" or more yellow colorscheme.
+Stil I disliked the blue-green dark background.
-So I kept the main principle and opened a few parameters.
+I wanted to change that background color.
+Or having a grayer background.
+
+Ethan Shoovnover the creator of Solarized gave plenty of information about
+how he created it.
+
+Also I stumbled upon the [[https://nordtheme.com][Nord]] theme.
+And I really liked it.
+But while the colors are great, it is not as easy to switch from light to
+dark theme than with solarized because Solarized has a lot of nice
+properties.
+
+So I kept the main principle used to create Solarized but freed a few parameters.
 The tint of the dark and light colors for the background and the text, as
 well as the contrast of the colors.
 
 And I created this minimal application in Purescript:
 
 https://solaryzed.esy.fun
+
+It is still not perfect, because the real theme I use for my website as a
+slightly bigger contrast for text.
+
+Here is the CSS you could use:
+
+#+begin_export html
+<style>#colors div { display: inline-block; }</style>
+<div id="colors">
+<div style="background: hsl(218.82, 20.99%, 15.88%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="b03">b03</div>
+<div style="background: hsl(222.35, 16.5%, 20.2%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="b02">b02</div>
+<div style="background: hsl(222.35, 8.72%, 38.24%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="b01">b01</div>
+<div style="background: hsl(221.25, 6.56%, 47.84%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="b00">b00</div>
+<div style="background: hsl(220.0, 6.98%, 57.84%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="b0">b0</div>u
+<div style="background: hsl(222.86, 8.64%, 68.24%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="b1">b1</div>
+<div style="background: hsl(223.64, 26.83%, 91.96%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="b2">b2</div>
+<div style="background: hsl(223.64, 84.62%, 97.45%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="b3">b3</div>
+<div style="background: hsl(38.48, 36.22%, 49.8%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="y">y</div>
+<div style="background: hsl(17.23, 38.52%, 47.84%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="o">o</div>
+<div style="background: hsl(8.09, 35.74%, 51.18%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="r">r</div>
+<div style="background: hsl(336.75, 33.06%, 52.55%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="m">m</div>
+<div style="background: hsl(229.6, 32.75%, 55.1%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="v">v</div>
+<div style="background: hsl(205.19, 52.19%, 50.78%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="b">b</div>
+<div style="background: hsl(176.09, 75.0%, 36.08%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="c">c</div>
+<div style="background: hsl(60.91, 28.7%, 45.1%); height: 60.0px; width: 60.0px; line-height: 60.0px; text-align: center" id="g">g</div>
+</div>
+#+end_export
+
+#+begin_src css :tangle solaryzed.css
+:root {
+    color-scheme: light dark; /* support color scheme */
+    --b03: #202631;
+    --b02: #2b313c;
+    --b01: #656b74;
+    --b00: #727781;
+    --b0:  #989ea8;
+    --b1:  #b0bac7;
+    --b2:  #e5e8ed;
+    --b3:  #f4f7ff;
+    --y:   #a98d50;
+    --o:   #aa6550;
+    --r:   #b85a64;
+    --m:   #af53b0;
+    --v:   #846f93;
+    --b:   #5679a4;
+    --c:   #4c8493;
+    --g:   #728b5c;
+
+    --bg:  var(--b3);
+    --fg:  var(--b02);
+    --fg0: var(--b0); /* lower contrast */
+    --bg2: var(--b2); /* second color block background */
+    --fg2: var(--b01); /* second color block foreground */
+    --acc: var(--o); /* accent color */
+}
+
+@media (prefers-color-scheme: dark) {
+    :root {
+ /* Dark */
+        --bg: var(--b03);
+        --fg: var(--b0);
+        --fg0: var(--b00); /* lower contrast */
+        --bg2: var(--b02); /* second color block background */
+        --fg2: var(--b1); /* second color block foreground */
+        --acc: var(--g); /* accent color */
+    }
+}
+
+body,.main {
+    background: var(--bg);
+    color: var(--fg);
+}
+#+end_src

src/posts/0012-solaryzed-theme/solaryzed.css

@@ -0,0 +1,18 @@
+:root {
+  --b03: #202631;
+  --b02: #2b303c;
+  --b01: #595e6a;
+  --b00: #727782;
+  --b0: #8c919b;
+  --b1: #a7abb5;
+  --b2: #e5e8f0;
+  --b3: #f3f6fe;
+  --y: #ad8c51;
+  --o: #a9664b;
+  --r: #af6256;
+  --m: #ae5e7d;
+  --v: #6774b2;
+  --b: #408cc3;
+  --c: #17a198;
+  --g: #939452;
+}