updates

Author: azimut

languages/c/makefile/self.org

@@ -247,9 +247,24 @@ help: # https://lobste.rs/s/7svvkz/using_bsd_make#c_mar0yk
 	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m\033[0m\n"} /^[a-zA-Z0-9_-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
   #+end_src
 
+- run N targets concurrently with *--jobs=N*
+  #+begin_src makefile
+.PHONY: dev dev/dep1 dev/dep2
+dev:; $(MAKE) -j2  dev/dep1 dev/dep2
+dev/dep1: sleep 10
+dev/dep2: sleep 60
+  #+end_src
+
+- dynamically set a variable at runtime (aka inside a target)
+  #+begin_src makefile
+task1:
+	$(eval ROBOTS = $(shell curl example.com/robots.txt))
+	@echo $(ROBOTS)
+  #+end_src
+
 - set bash pipefail, use either of these
   #+begin_src makefile
-SHELL = /bin/bash -o pipefail
+ SHELL      = /bin/bash -o pipefail
 .SHELLFLAGS = -eu -o pipefail -c
   #+end_src
 

languages/lisp/clojure/articles.org

@@ -1,3 +1,4 @@
+- android https://gist.github.com/jamesnyika/ab58fe4d75481d5119312d050664c681
 - comic https://daiyi.co/blog/clojure-comic/
 - Simulating Machines in Clojure https://stopa.io/post/255
 - 15 https://stevelosh.com/blog/2015/12/ludum-dare-34/

languages/lisp/common-lisp/books.org

@@ -1,3 +1,4 @@
+- Graham Book notes https://courses.cs.northwestern.edu/325/readings/graham/graham-notes.html
 - https://github.com/mark-watson/loving-common-lisp
 - https://leanpub.com/lovinglisp/read
 - https://leanpub.com/readevalprintlove001/read

languages/ml/haskell/articles.org

@@ -1,3 +1,4 @@
+- https://marcosampellegrini.com/thoughts-on-haskell-2020
 - https://speakerdeck.com/ajnsit/supercharged-imperative-programming-with-haskell-and-fp
 - https://entropicthoughts.com/haskell-procedural-programming
 - https://learnxinyminutes.com/haskell/

languages/ml/haskell/books.org

@@ -12,8 +12,10 @@
 - https://lokathor.gitbooks.io/using-haskell/content/
 - https://lotz84.github.io/haskellbyexample/
 - https://leanpub.com/simple-haskell-book/read - build a CI
-  official source https://github.com/alpacaaa/quad-ci
-  unofficial source https://github.com/jturner/quad-ci
+  - official source https://github.com/alpacaaa/quad-ci
+  - unofficial source https://github.com/jturner/quad-ci
+  - video leanpub https://www.youtube.com/watch?v=LlQ8-ajfcTY
+  - video simple https://www.youtube.com/watch?v=4Wpuo68ZUMg
 - https://leanpub.com/production-haskell/read
 - https://leanpub.com/haskell-cookbook/read
 - https://leanpub.com/haskell-stdlibs

languages/ml/haskell/videos.org

@@ -1,3 +1,5 @@
+- 19 Stick to Simple Haskell https://www.youtube.com/watch?v=zHSD7qC_4iI
+- 22 "HTML over the wire" meets functional https://www.youtube.com/watch?v=ZoTpOQr2vuk
 - Livestreams Learning Haskell https://www.youtube.com/@JohnCinnamond/streams
 - Haskell Adventures - A Calculator
   https://www.youtube.com/playlist?list=PL_xuff3BkASMOzBr0hKVKLuSnU4UIinKx

terminal/shells/bash/self.org

@@ -414,10 +414,15 @@ done | sort -R | xargs -ILETTER echo -n LETTER
 #+end_src
 
 * Gotchas
-- for i in *.baz
-  - if no .baz in dir it will run on *.baz
-  - zsh: errors
-  - fish: does nothing
-- some language constructs spawn *subshells* (eg: pipelining)
-- piped commands run/start all at the same time
-  - if one fails the rest will ran regardless if "pipefail" is set
+
+1) for i in *.baz
+   - if no .baz in dir it will run on the literal "*.baz"
+   - zsh: errors
+   - fish: does nothing
+2) some language constructs spawn *subshells* (eg: pipelining)
+3) | pipe
+   - all piped commands run/start at the same time
+   - if one fails the rest will ran regardless if "pipefail" is set
+4) set -e
+   - aka errexit
+   - does NOT have any effect inside functions (?

terminal/shells/sh.org

@@ -71,12 +71,12 @@
     until ssh [email protected]; do sleep 3; done
   #+end_src
 
-|-----------+---------------+-----------|
-|           |      <c>      |    <c>    |
-|           |     lines     |    aka    |
-|-----------+---------------+-----------|
-| head -n 5 |    first 5    |   take    |
-| tail -n+5 | skips first 4 |   drop    |
-| tail -n 5 |    last 5     | take-last |
-| head -n-5 | skips last 5  | drop-last |
-|-----------+---------------+-----------|
+|-----------+-----------+---------------|
+|    <c>    |    <c>    | <l>           |
+|           |    cmd    | lines         |
+|-----------+-----------+---------------|
+|   take    | head -n 5 | first 5       |
+|   drop    | tail -n+5 | skips first 4 |
+| take-last | tail -n 5 | last 5        |
+| drop-last | head -n-5 | skips last 5  |
+|-----------+-----------+---------------|