Sungbin Jo

@goranmoomin.dev

463 Followers 96 Following

programming on the web with react and on the mac with cocoa, appkit, and swift. interested in programming languages and low-level system programming. an emacs user. profile image not me.

A coding agent session, with the model set as (anthropic) claude-fable-5, with the following text: [user] look at @PLAN.md and try to figure out if there's anything that you feel is off or something that you would do differently. is there any feedback that you would give? [assistant] I need to check the PLAN.md file to understand what I'm working with. [assistant] read ~/Developer/Personal/melon/PLAN.md [assistant] Error: This request triggered restrictions on violative cyber content and was blocked under Anthropic’s Content Usage Policy. To learn more, see https://platform.claude.com/docs/en/build-with-claude/refusals-and-fallback.
A screen capture of a coding agent session, showing Kimi K2.7 Code's thinking trace and tool calls with the following text: ``` Let's check if the local branch exists. git branch maybe. We can list. $ git branch -a | grep format chore/format-ci-check Took 0.0s Local branch exists. Good. We should not push or delete without confirmation. The user said not to push. We can ask whether to delete the local branch. But they want how to test. We can explain. ```
A screen capture of a section of the https://developer.apple.com/support/alternative-browser-engines-jp webpage with the following text: ##### Program privacy requirements You must: - Block cross-site cookies (i.e., third-party cookies) by default unless the user expressly opts to allow such cookies with informed consent, or as required for compatibility in the case of popup windows that interact with frames in their opening window; - Partition any storage or state observable by websites per top-level website, or block such storage or state from cross-site usage and observability; - Not sync any state (including cookies) between your app and any other app, even another app from the same developer, unless the user has explicitly given permission for the state to be synced, either by signing into both your app and the other app, or through another mechanism of providing explicit permission; - Not share device identifiers with websites without informed consent and user activation; - Label network connections using the APIs provided to generate an App Privacy Report on iOS (i.e., wherever your app is distributed); and Follow commonly adopted web standards on when to require informed user activation and/or user consent, as appropriate for web APIs (e.g., clipboard or full screen access), including those that provide access to PII.
a video demo of running the open source react native bluesky client on macos
A screenshot of a pi.dev coding agent session, with the user requesting: lol no never mind please just replace it to ignore and the model thinking summarized by it's thinking summarization model as: I don't have any current rewritten thinking to work with, and the next thinking to rewrite just says "Swap back." which is too vague for me to meaningfully rewrite into natural inner monologue. Could you provide: 1. The original thinking that needs to be rewritten 2. Clarification on what "Swap back" refers to in context Once I have the actual thinking content, I'll rewrite it as natural first-person inner monologue following all the guidelines. following an edit to the file ~/.emacs.d/init.el by the main model.
The powerful and intuitive new windowing system lets users fluidly resize app windows, place them exactly where they want, and open even more windows at once.
A screenshot of a comment on the HackerNews website submission “Apparently Bluesky has one centralized service, the "relay"”, which reads below: i don’t actively contribute to Bluesky nor Fedi (i do consume content from both), but it’s pretty frustrating to see BlueSky being argued into a centralized service for the recent downtime. - The downtime was not relay level, but it was a PDS level. So the point is moot already. - Because it was decentralized at the PDS level, the outage did not affect anyone with personal PDSes, which contains the data that you care about. - Even if it was the relay level, relays aren’t centralized, anyone can spin up another relay (because everything on the relay is derived from PDS data). It’s just that it’s going to be pretty expensive and consume much resources. Which is a fair point, and might be argued that the network currently has a single big point of failure, but that doesn’t mean it’s centralized. And then people now start arguing that the fact that BlueSky-hosted PDSes went down at the same time is now another proof that BlueSky is centralized? That’s like arguing that Gmail can go down and all @gmail.com mail addresses won’t work, so email is centralized. Or AWS can have an outage and all AWS-powered websites will break down, so the web is centralized. One can say that there’s a single big point of failure (which the BlueSky LLC is, just like AWS, Gmail, or the mastodon.social instance in the case of Fedi), but that doesn’t make the whole service centralized.
A screenshot of ChatGPT’s o3 model with a table called Bundle overview that matches the Logical name, Original module id, and the Purpose of the module.
a screenshot of the bluesky app post editor, running on iPhone SE with a 4-inch screen.
trapsleds: Reduction of incidental NOP instructions/sequences in the instruction stream which could be useful potentially for ROP attack methods to inaccurately target gadgets. These NOP sequences are converted into trap sequences where possible. Todd Mortimer and Theo de Raadt, June 2017. Kernel relinking at boot: the .o files of the kernel are relinked in random order from a link-kit, before every reboot. This provides substantial interior randomization in the kernel's text and data segments for layout and relative branches/calls. Basically a unique address space for each kernel boot, similar to the userland forktexec model described above but for the kernel. Theo de Raadt, June 2017.
Apple Intelligence를 위한 탄생. Apple Intelligence, 4월 초 한국어 지원 예정
A Claude conversation that goes on as below: q: how can i check the health of specific disks? a: I'll help you create a script to check disk health. Here's a React component that can display disk health metrics: <Disk Health Monitor> This component creates a visual dashboard for monitoring disk health. Here's what it tracks: Storage usage with a visual progress bar that changes color based on capacity Disk temperature with warnings for high temperatures Error count tracking Read and write speeds Overall disk health status with warnings for potential issues The component uses color coding to make it easy to spot potential problems: Green: Good/normal conditions Yellow: Warning conditions that need attention Red: Critical conditions (like very high storage usage) To get real disk health data, you'd need to connect this component to system monitoring tools that can provide actual disk metrics. Common tools for collecting this data include: [the remaining conversation is not visible] On the right, the claude artifact displays a webpage that displays a list of hardcoded storage usage, temperature, error count, i/o speed, and the total status of the two disks.
A screenshot of quoting a post with ‘Yeah I really want to see’, with the kerning between Y and e seemingly be too wide.
Which Ctrl- keyboard shortcuts do you use in your terminal? [x] Ctrl-C (quit) [x] Ctrl-Z (suspend) [x] Ctrl-R (search history) [ ] Ctrl-L (clear screen) [x] Ctrl-D (EOF) [x] Ctrl-A (beginning of line) [x] Ctrl-E (end of line) [x] Ctrl-W (delete word)
Edovia Support (Edovia Helpdesk) Dec 27, 2024, 11:53 EST Hi Sungbin Jo, Thanks for your inquiry! Just to let you know that we found the issue and Screens 5.4.9 should be available soon. We'll let you know when the version is available. Sorry for the inconvenience and thank you for your patience. Have a wonderful day! — Timothy Edovia Support Goranmoomin Dec 27, 2024, 11:03 EST Hello! I’d like to report a bug in Screens 5 when using my iPad's hardware keyboard. The hardware arrow keys are sending wrong key events (or at least different key events from the software arrow keys on screen) via VNC, when connecting to a Wayland compositor. Instead of sending the expected Up keypress (key 111, sym 65362), it is sending a Shift modifier followed by a ‘U’ keypress (key 30, sym 85). This makes it impossible to use arrow keys for navigation in apps like VSCode, Cursor, and Firefox since they just type 'U' instead of moving the cursor. The same problem happens with other arrow keys and the ESC key too. The following is output from the Wayland event viewer (wev) between the two: Software arrow key: [21: wl_keyboard] key: serial: 331; time: 0; key: 111; state: 1 (pressed) sym: Up (65362), utf8: '' [19: wl_keyboard] key: serial: 331; time: 0; key: 111; state: 1 (pressed) sym: Up (65362), utf8: ''
A GitHub screenshow with the following contents: [unicorn image] We couldn't respond to your request in time. Sorry about that. Please try refreshing and contact us if the problem persists. Contact Support — GitHub Status — @githubstatus
sungbin@sungbin-macmini:~/millipds$ uv run millipds account create did:plc:ilbuexsezfgfn6ospjcpkupt test00.dev.goranmoomin.dev --unsafe_password=[redacted] --signing_key=../picopds/privkey.pem WARNING: passing a password as a CLI arg is not recommended, for security INFO:millipds.database:creating account for did=did:plc:ilbuexsezfgfn6ospjcpkupt, handle=test00.dev.goranmoomin.dev
sungbin@sungbin-macmini:~/millipds$ uv run millipds config db_version : 1 pds_pfx : 'https://pds.dev.goranmoomin.dev' pds_did : 'did:web:pds.dev.goranmoomin.dev' bsky_appview_pfx : 'https://api.bsky.app' bsky_appview_did : 'did:web:api.bsky.app' jwt_access_secret : '[REDACTED]'
@authenticated async def static_appview_proxy(request: web.Request): lxm = request.path.rpartition("/")[2].partition("?")[0] # TODO: verify valid lexicon method? logger.info(f"proxying lxm {lxm}") db = get_db(request) signing_key = db.signing_key_pem_by_did(request["authed_did"]) authn = { "Authorization": "Bearer " + jwt.encode( { "iss": request["authed_did"], "aud": db.config["bsky_appview_did"], "lxm": lxm, "exp": int(time.time()) + 60 * 60 * 24, # 24h }, signing_key, algorithm="ES256", ) # TODO: ES256K compat? } # TODO: cache this! appview_pfx = db.config["bsky_appview_pfx"] if request.method == "GET": async with get_client(request).get( appview_pfx + request.path, params=request.query, headers=authn ) as r: body_bytes = await r.read() # TODO: streaming? return web.Response( body=body_bytes, content_type=r.content_type, status=r.status ) # XXX: allowlist safe content types! elif request.method == "POST": request_body = await request.read() # TODO: streaming? async with get_client(request).post( appview_pfx + request.path, data=request_body, headers=(authn|{"Content-Type": request.content_type}) ) as r: body_bytes = await r.read() # TODO: streaming? return web.Response( body=body_bytes, content_type=r.content_type, status=r.status ) # XXX: allowlist safe content types! elif request.method == "PUT": raise NotImplementedError("TODO")
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An excerpt of the tar(3) manpage on macOS. --no-mac-metadata (x mode only) Mac OS X specific. Do not archive or extract ACLs and extended file attributes using copyfile(3) in AppleDouble format. This is the reverse of --mac-metadata. and the default behavior if tar is run as non-root in x mode.
3 consecutive executions of the command `rsync -avz dist/ sungbin-macmini:/srv/www/cosmo.goranmoomin.dev` failing. The first failing error message is: ``` ssh: connect to host home.goranmoomin.dev port 8222: Undefined error: 0 rsync: connection unexpectedly closed (0 bytes received so far) [sender] rsync error: error in rsync protocol data stream (code 12) at io.c(231) [sender=3.3.0] ``` The consecutive error messages are: ``` ssh: connect to host home.goranmoomin.dev port 8222: Undefined error: 0 rsync: connection unexpectedly closed (0 bytes received so far) [sender] rsync error: unexplained error (code 255) at io.c(231) [sender=3.3.0] ```
A screenshot of the MacPorts migrate progress, compiling packages.
A video of trying to move an icon in a half-filled home screen page, and realizing that to put the icon in the last place, one has to precisely place the icon.
Displaying that changing the keyboard layout doesn't pass through the iOS phone mirroring, and that it doesn't scroll when it's not the frontmost window.
A screen capture of the terminal, consisting of the following text. ~ $ ls -la /usr/bin/jq -rwxr-xr-x 1 root wheel 1376384 Sep 6 05:54 /usr/bin/jq ~ $ /usr/bin/jq --version jq-1.6-159-apple-gcff5336-dirty ~ $ curl -sS 'https://api.github.com/repos/jqlang/jq/commits' | /usr/bin/jq -r '.[:15][] | .sha[:7] + "\t" + .commit.message | split("\n")[0]' 860af44 Fix typos (#3173) 37f4cd2 Fix docs for `strptime(fmt)` (#3164) 6322b99 fix: find and source ~/.jq file on windows (fixes #3104) (#3114) da2a0b9 mktime/0: remove unnecessary length>=6 input requirement (#3162) 0e0cdd5 feat: uri decode function (#3161) 0b5ae30 Implement add/1 (#3144) 137018d jv.h: define empty JV_{,V}PRINTF_LIKE macros if __GNUC__ is not defined c1d885b website: Make latest release (1.7) be default manual (#3130) 2ee20ca Avoid ctype.h abuse: cast char to unsigned char first. e2ffb53 build(deps): bump zipp from 3.16.2 to 3.19.1 in /docs ba741e5 build(deps): bump docker/build-push-action from 5 to 6 (#3143)
Data-race safety checks were previously available as warnings in Swift 5.10 through the -strict-concurrency=complete compiler flag. Thanks to improved Sendable inference and new compiler analysis for transferring mutable state from one actor to another, Swift 6 warnings about data-race safety have fewer false positives. You can find more information about the Swift 6 language mode and how to migrate at Swift.org/migration.