Commit graph

909 commits

Author SHA1 Message Date
William Carroll
737bdd0a23 Solve InterviewCake's merge sorted arrays question
Write a function merging two sorted arrays into one sorted array.
2020-02-19 16:02:38 +00:00
William Carroll
00e3526d9a Support SSH config for acer machine
I'd like to setup a NixOS machine that runs in my flat to host my blog and other
projects. For now it's a slow Acer running Manjaro Linux. I'm hoping that I can
install NixOS on it remotely over SSH. But first! SSH access...

I setup port forwarding from my router to this machine for:
- HTTP
- HTTPS
- SSH
2020-02-19 15:01:42 +00:00
William Carroll
ca6bd29ed8 Solve bonus part of reverse-words
InterviewCake asks "How would you handle punctuation?". Without precise specs
about what that entails, I'm supporting sentences ending with punctuation.
2020-02-19 15:01:42 +00:00
William Carroll
acf1b8c4f0 Solve InterviewCake's reverse-words
Wrote a function to reverse the words in a list of characters. A word is a
space-delimited strings of characters.

The trick here is to first reverse the entire string and then reverse each word
individually.
2020-02-19 15:01:42 +00:00
William Carroll
9fc29831e0 Configure ssh preferences
Every Tuesday I work from Google's 6PS office instead of BEL. I work from my
laptop, which often requires that I ssh into the desktop work station in BEL. I
have settled on a locally optimal workflow that I'd like to improve. To help
seek higher ground, I'm planning on using ssh.el to configure tramp and define
utility functions to lower my cost of exploring new workflows.

- Defines a function, `ssh/desktop-cd-home` that helps me quickly open a dired
  buffer for my work station's home directory.
- Documents some variables that I set weeks ago.
- Requires ssh.el in init.el.
2020-02-18 11:18:02 +00:00
William Carroll
993f7c9389 Further configure notmuch
Until now my notmuch is usable but not almost always pleasurably so. For
example, when I reply to messages, notmuch warns that "Insert failed:"; when I
check Gmail, the reply sent... strange. After consulting with a fellow notmuch
user and Emacs disciple, tazjin@, I borrowed some of his notmuch configuration.

- notmuch is no longer warning about replies
- Replies do not include noisy email signatures
- I have an Emacs User-Agent header in my outgoing mail
- All of this and more...
2020-02-18 11:09:03 +00:00
William Carroll
6f179afd49 Define KBD for find-file-at-point (i.e. ffap)
I'm attempting to incorporate the beloved find-file-at-point function into my
workflow.
2020-02-18 11:09:03 +00:00
William Carroll
159301da50 Further specify saved searches for tags
Add tag:unread to:
- direct
- broadcast
- systems

Additionally: I added "and not tag:sent" for direct because oftentimes I send
myself mail. Without that condition, my sent mail shows up in direct.
2020-02-18 11:09:03 +00:00
William Carroll
2e63a4e2e1 Require keybindings.el after wpc-keybindings.el
keybindings.el calls (require 'evil-ex), which I introduced in this commit...
0456a1c4b4
...calling (require 'evil-ex) loads evil. When evil is loaded before
evil-want-integration is set to nil, evil-collection writes to *Warnings* when
Emacs initializes, which I find noisy. This commit ensures the
evil-want-integration is set to nil before evil is loaded, which appeases
evil-collection and thus removes the warning message.

Bonus:
If you git checkout the previous commit, and attempt to run the KBDs...
- `SPC g s`: magit-status
- `s h`: evil-window-vsplit
...from a buffer whose major-mode is dired-mode, you should notice that the
above functions won't execute.

Strangely though, if you look at this commit...
37f8ca04f2
...I fixed these issues. Well I introduced a regression when I added 0456a1c.

My current guess is that when evil-collection complains about
evil-want-integration, it is breaking the evaluation sequence of my init.el
file. wpc-dired.el is downstream from wpc-keybindings.el, which requires
evil-collection. Perhaps no modules required after wpc-keybindings.el are
evaluated after evil-collection warns about evil-want-integration. Even if that
assumption is wrong, what I do know is that this commit fixes the
evil-collection warning and restores the KBDs for dired-mode-map.

Here's to feeding two birds with one scone!
2020-02-17 22:40:41 +00:00
William Carroll
e61965cafd Drop support for compton
I'm finding myself running `pkill compton` offer. In the spirit of slimming down
my configuration, I'm dropping support for compton.
2020-02-17 21:18:03 +00:00
William Carroll
62ea675d7a Alias systemctl
Support `systemctl` and `systemctl --user`.
2020-02-16 22:09:47 +00:00
William Carroll
6051654527 Support additional notmuch saved queries
Today I setup declarative gmail filters using some Google internal tooling. I'm
now adding labels to messages from Critique, Sphinx, Ganpati, "The Daily
Insider", messages sent directly to me, and more. These labels are applied
server-side.

On the notmuch, client-side, I'm support saved queries for these newly created
gmail labels.
2020-02-16 17:16:05 +00:00
William Carroll
08c3f6dd69 Support KBDs for labelling emails
I can already tag emails with `+` and `-`. Here I'm defining KBDs for moving
messages from my inbox into: action, review, and waiting. I'm also mutually
excluding messages in action, review, and waiting from inbox and vice versa.

I'm also supporting a "muted" tag for now; I'm still learning how to use notmuch
with email threads, but I'm hoping the "muted" tag will prevent future messages
in a thread from arriving in my inbox.
2020-02-16 17:13:21 +00:00
William Carroll
1ed7f2ed73 Prefer newest-to-oldest sorting
The default sorting order of results from notmuch.el are in
oldest-to-newest. This prefers the opposite.
2020-02-14 18:01:38 +00:00
William Carroll
a726bf737a Enable lieer-google.timer
After running `systemctl --user enable lieer-google.timer`, systemctl created a
symlink pointing from timers.target.wants -> ../lieer-google.timer. I'm not sure
if tracking symlinks in a git repository is such a useful idea.

This commit reminds me that I could and should be using Nix to better manage
symlink creation and destruction.
2020-02-14 15:43:37 +00:00
William Carroll
0456a1c4b4 Define notmuch KBDs
Until I have more opinions about my workflow with notmuch, I will redefine the
KBDs from Gmail that I'm comfortable with. While not many KBDs are defined here,
evil-collection defines dozens, many of which I find reasonable; those that I
disagree with, I've unbound in this commit.

Composing emails in notmuch feels similar to writing a commit message with
magit. I want to be able to type :x or :wq, but these commands don't DWIM. For
magit, I'd like that behavior to be the same as `C-c C-c`; not surprisingly, for
notmuch, I'd like the same.

I've bound :x to do this for notmuch. I'd like to define a macro that can easily
define buffer-local evil-ex commands for particular modes. This should lower the
cost of defining evil-ex commands and hopefully convince me to support some of
this desired behavior.
2020-02-14 15:38:28 +00:00
William Carroll
8105af7b8d Configure saved searches for notmuch
Mimmicking the "action", "review", and "waiting" labels that I had in Gmail
using the equivalent labels as tags in notmuch.
2020-02-14 15:38:05 +00:00
William Carroll
fa779ab7bf Support list/xs-distinct-by?
Supporting a predicate to check that all elements in a list are distinct after
applying a transformation function to them.
2020-02-14 15:34:56 +00:00
William Carroll
3677a7a39e Begin supporting notmuch in Emacs
I'm borrowing from @tazjin's dotfiles, which are stored in Git on Borg. When you
call `nix-build ~/briefcase/mail`, result will output a systemd units, which you
should move to ~/.config/systemd/user/.

The path to `gmi`, which is Lieer's executable, exists in /nix/store, and you
can read it from the systemd unit file (i.e. lieer-google.service). Lieer
synchronizes notmuch with Gmail and Gmail with notmuch.

Here's a general sequence of commands that I ran to set everything up. Special
thank you to @tazjin for helping me with all of this. These steps are not
certified as a tutorial; I'm recalling them from memory. When I set this up
things didn't work as expected immediately and I had to troubleshoot.

```shell
> mkdir -p ~/mail/account.google
> cd ~/mail/account.google
> nix-env -iA nixpkgs.notmuch
> notmuch setup
> nix-build ~/briefcase/mail
> cp ./result/lieer-google.{service,timer} ~/.config/systemd/user
> rm ./result
> systemctl --user cat lieer-google
...copy the /nix/store path to gmi...
> notmuch new
> /nix/store/gmi init
...follow the OAuth login flow...
>
```

Unknowns?
- Do I need to call `systemctl --user start lieer-google` at startup? Or should
  I move these units to user/default.target.wants?
- Can I send email from notmuch?
- How do I use notmuch to delete email? To respond to emails? To do anything?

Todo:
- Once this configuration stabilizes, I should package everything with Nix.
2020-02-13 18:32:26 +00:00
William Carroll
9fa97eab67 Solve merging-ranges
Write a function to merge meeting times. Added an in-place solution, which the
"Bonus" section suggested attempting to solve.

- Added some simple benchmarks to test the performance differences between the
  in-place and not-in-place variants. To my surprise, the in-place solution was
  consistently slower than the not-in-place solution.
2020-02-13 14:52:20 +00:00
William Carroll
1f19080c7c Prefer alias to abbr
After working with fish for a few weeks, I've decided that I prefer aliases to
abbreviations.

Why? When I reverse search through my command history, I search for the
what I typed and not what it expanded to. Some of my aliases wrap existing
tools encoding my preference for tool A if tool B isn't available. For example I
alias vim to neovim. When nvim isn't available on $PATH, typing vim will
expand to nvim, which will in turn fail.
2020-02-12 18:08:31 +00:00
William Carroll
1a484b4b91 Disable auto pairing parens, brackets, quotes
I don't see much value in this tool for my workflow.
2020-02-12 18:07:31 +00:00
William Carroll
072be0befd Nixify simple_vim idea
I previously had an alias defined as `simple_vim`, which would start an instance
of Vim with a bare bones config. I had a to-do to Nixify it. That is
now (mostly) to-done.

When I try and install it with `nix-env -f ~/briefcase -iA tools.simple_vim`,
Nix fails and says that pkgs.stdenv is undefined. I will need to fix this one
day, but it is neither important nor urgent...
2020-02-12 18:05:32 +00:00
William Carroll
fc8283ff6e Define briefcase alias to cd into my monorepo
Defining an alias in my config.fish makes me realize that I should prune many of
my abbreviations and change the ones that remain into aliases.
2020-02-12 17:01:12 +00:00
William Carroll
fabf1c9334 Tidy up structure of briefcase
I had a spare fifteen minutes and decided that I should tidy up my
monorepo. The work of tidying up is not finished; this is a small step in the
right direction.

TL;DR
- Created a tools directory
- Created a scratch directory (see README.md for more information)
- Added README.md to third_party
- Renamed delete_dotfile_symlinks -> symlinkManager
- Packaged symlinkManager as an executable symlink-mgr using buildGo
2020-02-12 16:58:29 +00:00
William Carroll
5ec5a6da8c Complete InterviewCake reverse-string-in-place
Wrote a function in TypeScript to reverse an array of characters mutatively.
2020-02-12 15:53:21 +00:00
William Carroll
e1427dd8b1 Move matrix-traversals -> ./misc
I'd like the top-level files in deepmind/part_two to correspond 1:1 with the
TODOs in my org file tracking the work.
2020-02-11 17:11:24 +00:00
William Carroll
85cdd46f00 Attempt to support TypeScript for coding challenges
I was a bit weaker than I expected to be in my most recent interview using
TypeScript. To improve, I think I'd like to attempt solving some of the
InterviewCake.com questions using TypeScript.

If you've read the previous commits, the inspiration for `run` arose because I
need to call `npx ts-code <file>`, which is easy enough to remember, but I'd
still rather just call `run <file>`.
2020-02-11 17:11:19 +00:00
William Carroll
3afb56a5e5 Begin supporting run
I'd like to be able to just call `run file.py` and have a program DWIM. I'm
working on run as a step in this direction. Define a simple configuration that
maps file extensions to template strings where "$file" is replaced with the
argv[1].

It basically works but there are outstanding TODOs. See the README and source
code for more information.
2020-02-11 17:11:19 +00:00
William Carroll
a50153c141 Support utils.Resolve/2
Supporting a function that resolves a file name checking for the nearest
occurrence of the file from the CWD until it traverses beyond the user's home
directory, after which point it checks in backupPaths.
2020-02-11 17:11:19 +00:00
William Carroll
b3b343ebf9 Support utils.FileExists/1
Support predicate for checking if a file exists on disk.
2020-02-11 17:11:19 +00:00
William Carroll
3ae3b6f039 Support utils.HomeDir/0
Support function for returning the home directory of the current user.
2020-02-11 17:11:19 +00:00
William Carroll
825d6f2c65 Encode InterviewCake.com questions as an org-mode list
This way I can track what I've done and what I need to do.
2020-02-11 17:11:19 +00:00
William Carroll
d81f31107d Support cycling through display configurations
Today when I opened my laptop, I wasn't sure if it was powered off or on because
the display was blank. Thankfully the volume was muted and the LED indicator was
on, which informed me that the laptop was powered on. This saved me from
unnecessarily rebooting.

What happened was that last night I was working from home and using my external
monitor. Usually I enable my external display and disable my laptop display. But
when I left for work this morning, I unplugged the HDMI cable from my laptop
without disabling the external display or enabling the laptop display.

I noticed a XF86 button on my laptop entitled XF86Display. I figured that this
could be a nice place to bind a key to toggle my laptop display on or off. At
the last minute, I had the idea to just cycle through all possible display
configurations that I use; there are only three anyways. When dealing with more
than two states, I realized I should use a cycle to model the configuration
states. Now I'm thinking that I should be using cycles to model toggles as well
- instead of just using a top-level variable that I `setq` over. I haven't
refactored existing toggles to be cycles, but I am excited about this new
keybinding.

This commit additionally:
- Moves keybindings out of display.el and into keybindings.el
- Conditionally sets KBDs if using work laptop
2020-02-11 13:56:10 +00:00
William Carroll
61be808a92 Preferring to start wpcarros-emacs with dbus-launch
When I ran `pass show some/password`, gpg, which uses pinentry would start its
ncurses password prompt. For many this wouldn't be a problem but my current
vterm version cannot send the <return> key to ncurses, so once that prompt
appears, I cannot get rid of it without C-c and killing the shell. For a day or
more I just opened suffered through this.

Today I dug more into the issue and when I ran `pinentry --version` it warned
that it couldn't connect to DBUS. After searching for more information on this,
people with similar issues recommended starting their window managers with
`dbus-launch`. I previously started Emacs with `dbus-launch`, but only because
some i3 documentation told me to do so and I just copied them. Then I switched
to EXWM and copied that pattern over. A friend of mine uses EXWM and starts his
without calling `dbus-launch` but `exec emacs`. I mirrored this thinking that I
no longer needed `dbus-launch`. What I didn't know, however, was that this
friend was using a Nix-built Emacs (like me) except that his wrapped a native
Emacs installation while mine doesn't. His natively wrapped Emacs installation
has the proper variables set to interact with dbus and other important Linuxy
things that I don't fully understand. Since I'm using a Nix-built Emacs, some of
my variables are unset or set to different values than programs expect. This is
why when I try and start `gnome-terminal` or `terminator`, they refuse to start
and warn about many unset or incorrectly variables and not being able to bind to
sockets, etc.

This change reverts back to using `dbus-launch` until I have a better
understanding of Linux, Nix, etc.
2020-02-10 23:24:38 +00:00
William Carroll
e223adfec5 Begin work on YNAB client
After reading these docs
https://api.youneedabudget.com/v1#/Transactions/createTransaction I successfully
made a request to post a transaction to my YNAB account. Hastily created a
client.go that doesn't contain much at the moment.
2020-02-10 23:24:33 +00:00
William Carroll
2e719d1174 Sort items in travel_hitlist
Grouping entries by country and sorting according to Done -> Todo.

I should consider sorting the country groups alphabetically by the country name
and then each entry alphabetically by its city name.

Right now, however, this isn't a priority.
2020-02-10 11:57:18 +00:00
William Carroll
b8700d4fce Add Turkish cities to wish list
I would like to see Istanbul and Ankara one day.
2020-02-10 11:56:57 +00:00
William Carroll
d6fcbb2d85 Add Grenoble and Lyons
In 2013, I lived in Grenoble with a host family. During that time, I visited
Lyons, as well as a few other locations that aren't tracked by this document at
the time of this writing.
2020-02-10 11:56:07 +00:00
William Carroll
29a0af7fef Lint the document
Removing a trailing comma from Dubrovnik, Croatia.
2020-02-10 11:55:24 +00:00
William Carroll
20e2624203 Adding a few cities that I visited in 2019
I spent two weeks on the Spanish islands of Ibiza and Formentera over the
summer.

I went to Hamburg twice to visit Mimi's family - once in the summer; once for
Christmas.

In the Fall, I went to Bordeaux with Mimi where we stayed at a charming Airbnb.

I spent New Years Eve in Amsterdam with Matty, Ryan, and Conor.

I may be missing a few other places that I visited in 2019; it was an active
year.
2020-02-10 11:55:14 +00:00
William Carroll
7333dfe47b Add 'travel_hitlist/' from commit 'a97002bb21425c4d36335e9d70a1ec8bad6b51f2'
git-subtree-dir: travel_hitlist
git-subtree-mainline: 3fa8276816
git-subtree-split: a97002bb21
2020-02-10 11:45:29 +00:00
William Carroll
3fa8276816 Support C-k for upward movement in ivy-switch-buffer-map
Without these KBDs, C-k kills buffers. As an evil-mode user, I expect C-k to
move upwards. As such, adding the `ivy-switch-buffer-map` to my existing ivy
KBDs that handle a similar use-case.

Note: I'm unsure why the KBDs in evil-collection didn't cover this.
2020-02-10 11:36:09 +00:00
William Carroll
52831c7136 Disable ido-mode
For awhile I had a mixture of ivy and ido. Disabling ido and preferring ivy for
everything.
2020-02-10 11:35:27 +00:00
William Carroll
9dd9bce494 Add ts.el to emacs/default.nix
I ran `M-x package-autoremove` that deleted `ts.el`, which wasn't listed in my
default.nix. Adding it...
2020-02-10 11:34:19 +00:00
William Carroll
bd88f40224 Refactor token server initialization
- Move state "gen server" to the top of main/0
- Initialize it as empty
- Ensure that persistTokens/2 is called whenever the state changes
- Support setState/2 (similar in spirit to getState/0)
2020-02-10 10:06:40 +00:00
William Carroll
d35eb5c8f9 Debug os.Signal handling
Problem:

When SIGINT signals we're sent to the token server, it would shut down without
completing the shutdown procedure. The shutdown procedure would persist the
application state (i.e. access and refresh tokens).

This is problematic for the following sequence of events:
t0. Access and refresh tokens retrieved from kv.json and used as app state.
t1. Tokens are refreshed but not persisted. (I'm still unsure how this
    happens). Remember that this means the previous access and refresh tokens
    from t0 are now invalid.
t2. User sends a SIGINT.
t3. Token server shuts down.
t4. Token server is restarted, kv.json is used as the app state even though its
    tokens are now invalid.
t5. Tokens are attempted to refresh, Monzo API rejects the tokens because
    they're invalid.

Now we need to provide the token server with valid access and refresh tokens
otherwise we will repeat the loop described above. This means going through the
client authorization flow again or copying and pasting the tokens logged from
the token server into kv.json. Either scenario is more manual than I'd prefer.

Solution:

Use a buffered channel to receive the os.Signal. I got this idea after reading
these docs: https://golang.org/pkg/os/signal/#Notify and I debugged this issue
shortly thereafter.

I also rearranged the order of operations in main/0 to ensure that
handleInterrupts/0, which registers the event listeners, occurs before
scheduleTokenRefresh/2 is called. This allows the token server to gracefully
shutdown even if it's in the middle of the scheduleTokenRefresh/2 call.
2020-02-10 10:06:40 +00:00
William Carroll
323aa41e0f Sketch Monzo client
None of this code is functional at the moment. I'm just writing some ideas of
how I'd like to work.
2020-02-10 10:06:40 +00:00
William Carroll
c83594fb5a Consume auth library
Consume the newly relocated auth package.

Additionally:
- Debugged error where JSON was properly decoding but not populating the
  refreshTokenResponse struct, so my application was signaling false positive
  messages about token refresh events.
- Logging more often and more data to help my troubleshooting
- Refreshing tokens as soon as the app starts just to be safe
- Clean up the code in general
2020-02-10 10:06:40 +00:00
William Carroll
44dca4a188 Move authorization logic into separate package
Relocated the logic for authorizing clients into a separate package that the
tokens server now depends on. Moving this helped me separate concerns. I removed
a few top-level variables and tried to write more pure versions of the
authorization functions to avoid leaking Monzo-specific details.
2020-02-10 10:06:40 +00:00