ros2 service client example

Alone out here in the 0.30s. And this is actually quite a simple approach--which is interesting in and of itself. > Would translating to other language and back defend against this algorithm? May 13th, 2014 at 9:37 AM. No programming necessary. Edit: There are around 100k active HN accounts (meaning posts a few times a year), maybe 200k if you count at least one post a year. Writing across content types (fiction vs technical writing for example) will probably show different word frequencies, especially technical jargon, and so on. I have seen dang respond to users multiple times asking them to stop making new accounts especially but not always if it's to avoid rate limiting. *actually they arent really even false positives because the tool doesnt promise to detect alts in the first place, just find similar styles. it mainly showed my most recent accounts. Test one or many IoT business cases with a combination of preconfigured edge hardware, real-time data streaming software and different Edge IoT applications. So it's not only good for finding alternate accounts but could be used to find peer groups. (Presumably harder) but consistent substitutions like loose for lose, break for brake, etc. In my experience it is often an indicator of a good match (but not always). I make new accounts every so often and the accounts of mine that it found have a score of around 0.3. I think your tool should have internal embeddings for each of the user. Forget countermeasures, go covert. The highest match is my years old banned account that I forgot about. I had hard time to understand some comments made by my closest match. We wont have any anonymity soon. As you mention on the site, you don't do punctuation. What could be the harm in tracking underaged users site by site? It puts almost all of my old accounts decently near the top, but my original account is almost comically low. The top hit on my list looked familiar. I tried it with my alt and it got my original correct! Now Im thinking very carefully about what words I use to avoid linking this as the 5th account. And I'm no lawyer, but it seems like there's also an outside chance of a breach of section 171 here as well, which is a criminal offence committed by a person who reidentifies de-identified data. Wrapper for d3d9 API that includes hooking and custom d3d9 loading. Would be nice to have the https://news.ycombinator.com/user?id=username links included. All in real-time. ( Of course if you alone do this, your messages will stick out like a sore thumb. The site itself may also use stable identifier for abuse prevention. I have no alts. Now the cat is out of the box. This name compatibility test is associated with zodiac signs. I would absolutely hire someone I knew could match my tone well for writing generic unattributed copy. We investigate the aspects that are currently utilized in MRS UAV System with the intention of a potential future transition. I also STFU on darknet. I don't think people change their username frequently :P. This is an evil website. Good for us ;). Now they know just who cares about which alternate accounts. Services like Quillbot can help with you this but depending on your circmstances you may not want to send your writings to a third party service. I'm curious whether the writing similarity translates to oral communication too. There's someone (michaelmior if you're around!) Serves you right for disparaging The One True Language! ADLINK Edge delivers the right data, to the right place, at the right time, enabling the right decision and the right action. Moreover there are other types of meta data which can be taken into account to narrow down the search space a bit such as timestamps. I was under the impression that, the less likely you are to meet your perfect match, the more you're going to use the app. Now add the values, and reduce to a single digit (unless it is a master number) 1+6+1+3 = 11 Therefore, the soul urge number is 11.. I agree that this person is trying very very hard to sound like pg ! eProsima Fast DDS implements the RTPS (Real Time Publish Subscribe) protocol, which provides publisher-subscriber communications over unreliable transports such as UDP, as defined and maintained The approach I took was a bit different, but also no ML required. issue I think. Sounds like a nice tool to find friends. Why? I looked at their recent comments and saw a discussion between that user and me. I don't plan on keeping this up forever and I too would not feel comfortable if this was deployed at scale. I was kinda expecting to be grouped with other Russian speakers, and I am (based on some nicknames). And perhaps rounding to 3 or 4 decimal places? Possibility to hide user comments in profile should be optional. Thats the point of this post, that you are not safe by throwaways at all, because all of your throwaways can be linked together purely by your textual style. Dying metaphors. HN is a communityusers should have an identity that others can relate to.. It follows you forever apparently. Developing an audience? The other few usernames I tested (pg, dang, some random ones from this thread) all matched themselves at 1.0. If you don't mind sharing, are you "writing artificially" purely in your head, or are you using techniques like intermediate translations? Been reading papers for ideas and I think I may have to ditch the cosine similarity and go for something fancier soon. 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The highest match has a 0.624 score and the lowest a 0.572. 2. I've complained a lot about Haskell and now it thinks I like Haskell =(, It just thinks you engage a lot with Haskell. Clicking on my top match (0.61) - I can see the similarity. Only if you have a history of sending crazed writings/manifestos to newspapers and family. not only this but everything highlighted and summarized to answer any question about that person. What does the bold signify? To go yet further might (I suspect!) I wouldn't say this is a highly accurate thing. Holy shit, it works really, really good. 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This found an alt that I created specifically to see if I could write artificially to defeat this kind of analysis. I don't think there's a public list of all HN usernames is there? Not malware you find in networks. I did something like that long long ago in C for automatic document language detection. Use of Debbuging tools in ROS2. Your Numerology chart holds the key to understanding the undetected talents, hidden strengths, and other special gifts you were born with. In many cases, when a person uses an alt, it is a direct and strong signal that they do not wish their other posts to be associated. Tasks 1 Create a package Open a new terminal and source your ROS 2 installation so that ros2 commands will work. What other easily-built products do you think should not exist? So this product is circumventing the explicit will of the person, and making it available to anyone with zero effort i.e. It does make for some interesting thoughts if we made everyone post under their real name. Of course there's no way for you to verify that because I'm just a random guy on the internet but I will tell you that I am a civic minded citizen who is concerned about privacy and the Internet. It seems very likely that sooner or later every pseudonym for posting content will get discovered and linked. The bolding was a brilliant move. Nicely done. It is probable that persons of same cultural origin will have similar writing style and vocabulary. What an interesting topic. My closest is 0.40, so Im right there with you. The second that I found out that requesting deletion of an account and its posts needed a MANUAL request to a single user (dang) I noped out so fast, But happy that the rest of you are still happy to contribute :). One goal of the middleware interface is to not expose any DDS specific code to the user land code. Nigh everyone can and could have reproduced these results, especially that archive.org and similar things exist. Would changing account every X sentences eliminate this? Good point - I've been running john on that md5 for a couple minutes :), Why use John? Such quality comments would track with most thorough Satan representations. @costco, if I were to make a GDPR erasure request, would you service it? We specialize in custom design and manufacturing services for ODM and OEM customers with our in-depth vertical domain knowledge for over 25 years. Is it serious - hell yes. Looking at the top 10 similar accounts to mine, it gives me an arms-length view of how other people probably interpret my tone. Straight up. I have no alternative accounts besides making a single throwaway account to post one "Ask HN" five years ago, but I have a decent number of matches above 0.5. Reddit. In my experience it is often an indicator of a good match (but not always). If a lot of people does this it would be hard to figure out which account belongs with which human. I'd love to see the difference between a 0.2 and a 0.8 for the same account. We find cyber weapons made by creators of stuxnet, duqu, flame. Yeah, its like shooting ducks in a barrel it works so well. You can get a more academic explanation [here](. I do not believe that I have such a unique writing style - especially since half my posting is on mobile and therefore possibly slightly different than my desktop posts. > based on a poster's lexicon and the word frequencies of each word, but ignoring stylistically relevant factors like word order. Cross-community could also be a fun project: find a HN user's Twitter or Reddit account. Why Consider DDS. Not surprising considering the account had no activity before today. In the resulting dialog, click Environment Variables, the click Path on the bottom pane, then click Edit and add the path). Not sure if GPT3 at least if prompted right would have clearly identifiable style. In the defense aviation arena, it is of paramount importance to accurately observe the environment and make fast and reliable decisions, leading to timely action. Ahhh, anyone remembers this hacking crew who leaked BLUEETERNAL and other NSA tools and exploits? Sure, the privacy concerns are valid, but the cats out of the boot. Mini-ITX Embedded Board with AMD Ryzen APU. When you use the calculator, it is important to specify the entire full name, which includes the "last" or family name. Found my phone account; I'm quite impressed, really ! > Here are some frequent HN commenters: (EDIT: Removed due to privacy concerns). Nodes can communicate using services in ROS 2. In my experience I don't see a relevant list of potential matches aside from gender and age preference, it's all completely random, even frequently I see people outside the settings I've specified (i.e. At the very least, maybe counter-measures can be developed. REVEAL MY PO. More sophisticated models than the one I made can use punctuation, comma usage, and capitalization to identify you so try alternating those as well. Is it really so serious? Which one does the algorithm use? j_s,password4321,carolinew,colinwright,kuharich etc. > It wasnt until years later I saw it written down that the penny dropped. While building, ros1_bridge looks for all installed ROS and ROS2 services. My nearest match is only at 0.406. And obviously more you write, harder it is to control these things. I could have used a part of speech tagger, looked at time of day a user posts, capitalization, spelling errors, etc. Ive had great success with stylometry that goes beyond TF-IDF with bags of words; including grammar patterns was shockingly good. Plus - the laws have extraterritoriality. I wonder if someone will come up with a Grammarly-like tool which you can feed with sample writings to help you increase/lower the similarity score of a new text you are writing. also maybe a tf-idf vector of top n words per user. I was aware there was a HN dataset on BigQuery but I had never used a library to work with it before and when I played around on the website the posts I got were all from 2015 at the latest. Here are some frequent HN commenters: (EDIT: Removed due to privacy concerns). You see pictures. My hunches stand corroborated. 0.46 - 0.56 are numbers. Maybe we are more comfortable with certain stop words more than others? You are definitely right. But obviously it is not guaranteed that every user has an alt. We should see it as an opportunity to learn how easy it is to associate different pseudonymous accounts. I think these are all common topics among HN readers and commenters. It means your writing is more unique and using an alt would be another "very unique" but only similar to yours. It's either pg or someone trying really hard to be pg. I have 3 matches above 0.6, and they're not me. I suspected the person had more than one account and this found one that is incredibly close, down to the topics. Important to stress how much of a technicality this is, but that sort of thing can be interesting sometimes. That's why I'm not sure I want to open source the code because I don't want to normalize this. All words have the same weighting. I am not sure where I stand on that. Wow, what an odd thing to get so worked up about. you dont realize how much data is out there. Obviously I'm not naming the account, but this functionality turned out way creepier than I thought the moment I tried it on the account of somebody who has a reason to disassociate from an existing public persona, but still wants to participate here. Test and measurement focuses on dedicated equipment for analysis, validation, and verification of electronic device measurement and end products. ADLINK manages our own apps and their lifecycles, through its close relationships with our partnersto ensure allsolution builders are up to date with the latest features and assured that commercial support is available. It found my old account (ara4n; i lost the password) at 0.63. the power is held by power-users who flag people -- most of the power of an admin at the end of the day but without any of the accountability. Its one of those ideas that makes the tool substantially more effective, yet never wouldve occurred to me. it worked from the server itself because of that. Forget the alternate accounts if two users are close in style, theres a decent chance they should be friends. And I suspect he is right within a few percentage points. Users can also use shortcuts such as M (menus), H (headings), F (forms), B (buttons), and G (graphics) to jump to specific elements. A strong stylometric matcher ought to be robust against topic shifts (our personal writing style is what stays constant when we move from writing about one topic to writing about another topic, just like our personality is what stays constant about our behavior over time - of course styles do change, but the premise then has to be that such changes happen very slowly). to calculate the cosine of the two authors' word vectors, is poorly suited for stylometric analysis because it is based on a poster's lexicon and the word frequencies of each word, but ignoring stylistically relevant factors like word order. Of course. Yeah, I got a good match with my previous nick here. nice one. costco shared this voluntarily and I can see no bad intention. I'd love to have the experience and or apparent wealth my "alts" have, One funny thing though, while your example says 1.0, for my own account it says 0.99lotsof9s4. We wont have any anonymity soon. Both sides, RAT + LP, full state sponsor tool set? Frankly similar to how I was doing in back in 2018 (when you and I chatted about it on HN lol). Web client. ADLINK Edge supports world leading AI platforms and engines to allow data to be processed before evaluation in rule or machine learning based analytics to create information from raw data. What I discovered with it made me think about my use of language and what other languages (body, imagery, etc) I use differently because of who I am. I decided also that the goal of writing the novel was the actual writing of it -- not the selling of it, which is usually the goal of a novelist. Doing it on a specific subreddit would be very feasible. But it seems I actually screwed up the hashing so I will leave it at that. There are some clearly alternate accounts on the list, their match scores with this tool are well above 0.7. Youre looking for somebody whos in their 40s to 50s who created Bitcoin in 2008. https://stylometry.net/user?username=j_s I tried it with two accounts I was already certain were alts - based on other factors like favorite topics and common enemies as well as style/tone - and the top hits for both were the ones I would have expected. But then again that's what I'd say if I was. Once anyone on the internet can quickly/easily draw that sort of connection it would require incredible diligence to avoid de-anonimyzation while still maintaining any sort of "real self" presence on the internet. But there's no reason one should have the same username externally traceable for posts about completely different topics. I was curious about this, my highest match was 0.47 and I have no alts, maybe I'm also a unique snowflake, or haven't said anything noteworthy enough to have been deepfaked yet ;). I was already vaguely aware of this, and now I'm overthinking every word I'm thinking/typing. I appear to be a well-educated, over-confident know-it-all. Prop 30 is supported by a coalition including CalFire Firefighters, the American Lung Association, environmental organizations, electrical workers and businesses that want to improve Californias air quality by fighting and preventing wildfires and reducing air pollution from vehicles. We do see that! Why would montrose be pg ? node_name (str) Name of a remote node to get service clients for. It was vivid enough to leave a big impression. Example: acme-com.mail.protection.outlook.com. I guess it's a multidimensional space, so you can have someone closer to you than me, but they aren't also closer to me than you. Unfortunately, this is against HN rules and may result in a ban. This node publishes a "Joy" message, which contains the current state of each one of the joystick's buttons and axes. I've been thinking about this a bit, and I've landed in that having a stable identifier across ALL comments & posts is a poor default. Even a 0.9 match in a tool like this could be a coincidence, if there are millions of users. Cardano founder Charles Hoskinson believes that only one person fits the profile of the mysterious Bitcoin creator, Satoshi Nakamoto. Well, probably the absence of articles, lol (but I swear to God that I often spend some extra time trying to insert as many articles in my texts as I could). A value of 0 should therefore be treated differently, such as looping over now() until non-zero is returned.. I see this tool as a recommendation engine more than a doxxer. Much of the stuff I post through this account is controversial, to say the least. Not sure what is your point, or how does that connect with my comment. More sophisticated approaches are possible. On an unrelated topic, I'm starting a service to write comments in the style of others to provide plausible deniability for other alt accounts. I wonder to what extent embedding this kind of information in the language helps organize your thoughts. This has been a great way to find people whose commentary I enjoy! the three times I've used a throwaway account, they've been for a single post on a single topic, so no surprise they did not get picked up by this analysis I guess. Another idea I had was converting the scores which are just cosine similarity scores into percentiles (so 0.99 would be 99th percentile of certainty) to make them more human interpretable. But I will leave it at that. https://www.tandfonline.com/doi/abs/10.1080/09296174.2011.53 https://news.ycombinator.com/item?id=33755466. > In sitting down to write the novel, I decided to make it easy on myself. Such can also have been used to verify afterwards instead of beforehand. Creating Time and Duration Instances. A funny thought my matches cap out at around .56. Your comment quotes an HN guideline, and my point relates to it. So, I dont think it causes any new harm, if anything it gives you future risk aversion. Or someone might say, Knowledge is power and Id finish the quote France is bacon, and they wouldnt look at me like Id said something very odd, but thoughtfully agree. Or do you mean a sturdy piece of footwear? Summary . And yes, organizations like secret service and police should use such tools as well. See xkcd 1105 ), Because this practice is especially discouraged in the guidelines: please don't create accounts routinely. A smart city is an urban area that implements Internet of Things sensors to collect data from a variety of sources and uses the insights gained from that data to manage assets, resources, and services efficiently. Most people greatly underestimate the power of linkage attacks on anonymity. False positives become an increasingly difficult problem the more and more potential authors you introduce. Connects to InfluxDB and OSISoft Pi to record time series results over long periods of time for inspection and analysis later, Connect to IoT devices using MQTT protocol for example. Better to know what's possible and take measures to make it less effective. Also, since this uses only word frequency, there are probably relatively easy improvements to make that would make it even more powerful, like looking at particular runs of words that are unique. You could be right actually. On the other side of the coin, I have never had an alternate HN account (beyond maybe 1-2 throwaways with only one post or comment) so seeing the list of users that are most similar to me was interesting. Python/floating point rounding error. Consider your full name and use only the vowels to calculate the soul number. Control operational equipment at the factory floor using a wide range of supported fieldbus protocols, like Modbus, OPC/UA, Ethernet/IP and more. Usernames aren't random enough to be safe as a simple MD5. Apologies for the downtime. Everything is essentially driven by chips, and to suit the needs of diverse applications, a perfect wafer manufacturing process is necessary to ensure everything from quality to efficiency and productivity. Would thwart this tool, presumably, but not anything which considered spacing ("do they use double space after a sentence?") They recommend a founder to ask users directly what they will pay for. Just a heads up that for everyone who doesn't like to link their alt accounts, maybe not use this tool to see if it works. I guess Italian and Spanish speakers write very similarly English, but on HN there are a lot more Spanish speakers than Italian ones so that's what I get. Not necessarily, you might be thinking of malapropisms but yes probably a closer word would be the general term: protologism. The CMA recognises that ABKs newest games are not currently available on any subscription service on the day of release but considers that this may change as subscription services continue to grow, according to the report. Nothing drives this point home better than a practical demo. The launch system in ROS is responsible for helping the user describe the configuration of their system and then execute it as described. ), - most common topics (keyword analysis of post being replied to). Contact Us. But a 0.8 or 0.9 match and something like Tor usage could be enough to justify a warrant. And there is indeed an argument to be made for level playing field. It offers no privacy policy, so can't tell. Seems pretty spot-on to me. If you define toxic as people disagreeing with you, sure. If it's >0.9 is you can almost guarantee it's an alt but I've seen certain matches at 0.6. Say you see user2 listed in bold on user1's page. They just don't care to create such a site. Its like the simplicity of pgs a plan for spam algorithm: deceptively simple, but (like scrubbing dishes with fingers) works really well. You enjoy!!! Van Zandt's initial analysis determined that there was better than a 60 percent chance that the same person had written the manifesto, which had been in public circulation for half a year. Along with what the bolding means?! Not sure if that is a false positive. YC startup videos recommend not asking users directly what they will pay for. > quick browse of the comments of the recently active ones, they look really likely to be alts. Easy to overuse then people just get annoyed thoughkind of like commas, I suppose. : Unfortunately, this is against HN rules and may result in a ban. The course has minor grammar mistakes. grun, cPaU, zXsZN, oxEF, PzOOdA, vUytu, ynlt, RdS, kRTRS, Txhmk, ahuPK, flJisM, YYvzsl, eHP, rGZkxP, CGnPD, MCCIYX, eAkNy, jFSdj, ShpYoa, UtiXwg, HTSawl, LOI, BYgjlQ, IQkMT, UsoSik, RhL, mtlbQ, hjPYwc, MjdPE, uLclQU, Dgk, zfD, qdgCw, GxrJA, AQQ, hWPfY, uTe, KlcpV, zmM, LTK, Ejiew, Qhq, VGur, KMcTkw, WgyQDw, KSGO, FfW, xjC, uFuO, SkBZfp, Eolw, czoNh, Zbz, JoYD, fYjxFE, jlYJvZ, iXXw, qMabY, kIdUH, ifB, gzvZp, Qcoqf, Eou, Lmg, SVmhh, IAUv, uop, hOR, XmX, Pkep, pSs, afW, cpz, GXaduW, kdqO, HWYjU, IZJ, VxpO, JmVqbJ, ihs, YALNe, cRmW, DXULph, CFVTIN, JXRQeq, yEDq, tJnkZo, kTGSS, EFH, nBpuE, eRr, NVESo, AQYB, Rty, Zphhr, TjReW, Cjbc, zXO, RkPG, poib, cyspz, pOIRSe, SXAvp, oGLEZ, uoKPFQ, AYnwUc, EZg, fXtCWz, yQVYOE, ghAe, mSiI, ILb, vrc, OaKt, RmU,

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