cbillowes

; https://stackoverflow.com/questions/36032562/extract-values-from-vector-of-maps-conditionally-in-clojure
(map val (filter (comp #{:a} key) (apply concat vector-of-maps)))

; Grab URL from JavaScript window API
(ns awesome.stuff.to.learn
  (:require [cemerick.url :as url]))

(defn [] (:anchor (url/url (-> js/window .-location .-href))))

; (compare-and-swap) function takes four arguments: an entity id, an attribute, an old value, and a new value.

cbillowes

; java.lang.RuntimeException: Unable to resolve symbol: catch in this context, compiling: <file>:<line>:<column>

; catch` is not a function or macro, it's special syntax only understood in the context of the special form `try`. You can't do this without writing your own form of try (see try+ in slingshot for an example of that). 
; https://groups.google.com/forum/#!topic/clojure/4EN7RDbKqVE

; example - but still doesn't work in my code 
; https://github.com/scgilardi/slingshot

(ns math.expression
  (:require [tensor.parse]

cbillowes

.bat to iterate through files and extract the first 10 characters from its name.

setlocal ENABLEDELAYEDEXPANSION

for %%f in (posts/*) do (
    set var=%%f
    @echo %var:~0,10%

)

cbillowes

Get SSH to work on Windows for Github and BitBucket

Install git

• I chose native Windows Secure Channel Library
• Previously I was having a lot of trouble getting setup. I am not sure if the SSL/TLS library caused this or not.

Using Git Bash

• ssh-keygen with passphrase