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      "body": "Congratulations @astat! You have completed some achievement on Steemit and have been rewarded with new badge(s) :\n\n[![](https://steemitimages.com/70x80/http://steemitboard.com/notifications/firstvoted.png)](http://steemitboard.com/@astat) You got a First Vote\n\nClick on any badge to view your own Board of Honor on SteemitBoard.\nFor more information about SteemitBoard, click [here](https://steemit.com/@steemitboard)\n\nIf you no longer want to receive notifications, reply to this comment with the word `STOP`\n\n> By upvoting this notification, you can help all Steemit users. Learn how [here](https://steemit.com/steemitboard/@steemitboard/http-i-cubeupload-com-7ciqeo-png)!",
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      "author": "tushargoel",
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      "body": "**Hi!! Nice to meet you and glad to see more people like you in this comunity Steemit! Becoming a steaminion is a great adventure, a good idea and a good hobby! Here you can win money while bloging and writing stories from your life! The start it wouldn't be easy, but it isn't impossible. So just write cool stories and everything will be verry good. Wish all the best!\nLets get connected i followed u keep posting\nwith love:)**",
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      "author": "astat",
      "permlink": "jak-sprawdzic-kto-usunal-cie-ze-znajomych-na-facebooku-pl",
      "title": "Jak sprawdzić, kto usunął Cię ze znajomych na Facebooku [PL]",
      "body": "W jaki sposób sprawdzić, kto usunął Cię ze znajomych na Facebooku? Aktywni politycznie lub swarliwi użytkownicy mają spory przemiał swoich internetowych przyjaciół i zapewne nieraz zastanawiają się, kto stracił chęć do podtrzymywania z nimi znajomości. Na skrzynkę pocztową prawdopodobnie często dostajecie spam, który obiecuje Wam śliwki na wierzbie. Facebook skutecznie zwalcza wszelkie próby napisania skryptów do takich celów. Z tego powodu w niniejszym poradniku nie znajdziemy eleganckiego skryptu korzystającego z Graph API (jest to przydatne dla statystyków narzędzie, swoją drogą, ale o tym kiedy indziej). Sztuczka jednak istnieje, okazuje się banalna i nie jest wcale czasochłonna, choć żaden programista nie zechce się przyznać do takich prymitywnych zagrywek.  Jest też inny sposób. Można zainstalować dodatek do Facebooka, F.B. Purity. Purity skutecznie blokuje reklamy i powiadamia o  utracie znajomych. Osobiście z tego korzystam. Bardziej zaawansowanym informatykom można polecić dyskusję ze Stacka, która omawia możliwości \"porządnej\" (jakkolwiek niekoniecznie legalnej) realizacji przedsięwzięcia: https://stackoverflow.com/questions/23417356/facebook-graph-api-v2-0-me-friends-returns-empty-or-only-friends-who-also-u\nMy spróbujemy inaczej, w sposób zrozumiały dla początkujących użytkowników komputera.\n1. Rozwiń zakładkę ze swoimi znajomymi na Facebooku tak, aby wyświetlić całą ich listę\n2. Ctrl+A, Ctrl+C, stwórz plik o nazwie friends1 i przekopiuj doń zawartość schowka. Oczywiście pojawią się liczne śmieci - usuń tylko nagłówek aż do pierwszej linii ze słowem 'ZnajomyZnajomi' oraz końcówkę od \"Więcej informacji o:\" do samego końca.\n3. Kiedy zobaczysz, że liczba Twoich znajomych zmieniła się, powtórz punkt 2, kopiując znajomych do pliku friends2\n4. W konsoli Linuksa wywołaj kolejno polecenia\nwyrażenie regularne usuwające śmieci i sortujące pozostałe nazwiska\n```bash\ngrep -v 'ZnajomyZnajomi\\|Liczba znajomych:[0-9]*\\|[0-9]* wspólnych znajomych' friends1 |sort >f1\ngrep -v 'ZnajomyZnajomi\\|Liczba znajomych: [0-9]*\\|[0-9]* wspólnych znajomych' friends2 |sort >f2\n```\nWynik otrzymamy tutaj:\n```bash\ndiff f1 f2\n```\nPozostaje usunąć pliki pomocnicze:\n```bash\nrm f1 f2 \n```\nUwaga: działa tylko w polskiej wersji językowej! jeśli korzystasz z Facebooka w języku ślōnskŏ gŏdka , pirate, klingońskim, starohetyckim lub hausa, konieczne będzie zmodyfikowanie wyrażenia regularnego i instalacja odpowiednich fontów w systemie!",
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      "author": "kim.scwerin",
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      "body": "Good post, thanks",
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      "body": "Your photos are great! Thanks so much for sharing! @astat",
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      "author": "astat",
      "permlink": "some-photos-of-mine-for-getting-started",
      "title": "Some photos of mine for getting started :)",
      "body": "Hello everybody! My name is Jacek, I'm from Poland. I'm working on my PhD thesis on pure mathematics (potential theory, Markov processes), I'm interested in science, art and IT but in my free time I like to present myself as a nature photographer. I was invited to Steemit by @liriel (you would really enjoy her posts!).\n\nI'd like to present some of my photos:\n\n![18670965_1712743828739212_864174896597216594_n.jpg](https://steemitimages.com/DQmbVHRrFzN75PQ2ZvAyeq2fMh6Q6t8eXx5YZGVRoKfBT6g/18670965_1712743828739212_864174896597216594_n.jpg)\n*Muscicapa striata*![DSC00281.JPG](https://steemitimages.com/DQmV7mgbcUNr47xo7o77NUUk9zGBXx4YqmdyAcmobX25DV8/DSC00281.JPG)\n*Dryocopi martii*![pliszka.jpg](https://steemitimages.com/DQmdSojJrY8Ls7aoPAsjufht63rM37Cq14EAA2WnhpyRrSQ/pliszka.jpg)\n*Motacilla flava*",
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      "author": "astat",
      "permlink": "re-vysmek-re-astat-2017720t84145326z-20170720t070612586z",
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      "body": "I don't know yet",
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      "body": "Is better steem power than steem right?",
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      "parent_permlink": "technicalanalysis",
      "author": "astat",
      "permlink": "technical-analysis-with-r-of-the-steem-currency-part-i-cleaning-the-data-eng",
      "title": "Technical Analysis with R of the STEEM currency, part I: cleaning the data (ENG)",
      "body": "Many of us wonder how would the value of Steem currency evolve.  There are plenty of tools used on the stock market in order to predict the price of currencies, however one should remember that there is no mathematical reason  they should work properly, i.e.  technical analysis does not provide us with any consistent nor unbiased estimators. Why sometimes technical analysis predicts the evolution of time series properly? Perhaps this is due to some sociological phaenomena, I don't know.\n\nMy first post contains script in R, which can help you start making your own technical analysis. \n\nAt the beginnning load some useful packages.\n```R\nlibrary(jsonlite)\nlibrary(data.table)\nlibrary(quantmod) # Quantitative Financial Modelling & Trading Framework for R\nlibrary(TTR) # Technical Trading Rules\nlibrary(XML)\nlibrary(RCurl)\nlibrary(rlist)\nlibrary(tidyquant) # Helps with cleaning the xts data\n```\nYou have to make sure you use standard formatting. On the Steemit website dates are saved in non-standard formatting \"Abbrevioated month day, year\". If you use some other than English language you may have some other than \"Jan Feb Mar Apr\" etc. month abbreviations so the following line may be necessary.\n```R\nSys.setlocale(\"LC_TIME\", \"English\") \n```\nYou have to specify the time interval; note that at 17th May there were some perturbations on the stock.\n```R\ntheurl <- getURL(\"https://coinmarketcap.com/currencies/steem-dollars/historical-data/?start=20170518&end=20170719\",.opts = list(ssl.verifypeer = FALSE) ) \n```\n\nNow we have the data from the website - we have to clean it.\n```R\ntables <- readHTMLTable(theurl)\ntables <- list.clean(tables, fun = is.null, recursive = FALSE)\nn.rows <- unlist(lapply(tables, function(t) dim(t)[1])) \nsteemdata<-tables[[which.max(n.rows)]] # getting only data about the currency\n```\nData frame is the standard structure used in R. Before transfering the data into xts structure, we will continue cleaning the data on the data frame.\n```R\nstdf <- data.frame(steemdata,stringsAsFactors = FALSE) \nstdf[,1]<-as.Date(stdf[,1],\"%h %d, %Y\") # standard date format\nstdf[,6]<-as.numeric(gsub(\",\", \"\", stdf[,6])) # getting rid of commas in number representation\nstdf[,7]<-as.numeric(gsub(\",\", \"\", stdf[,7]))\nstdf[is.na(stdf[,7]),7]<-0 # replacing N/A's with zeros\n\nstxts<-as_xts(stdf, date_col = Date) # in xts files rows are numbered by the dates!\nstorage.mode(stxts) <- \"numeric\" # here is a tricky one!\n```\nNow you can perform technical analysis! For example:\n```R\nchartSeries(stxts, type = \"line\", up.col = \"green\", dn.col=\"red\", line.type=\"l\",show.grid = TRUE)\naddMACD(fast=12,slow=26,signal=1)\ngrid(nx=20, ny=1, lty=2, lwd=0.1)\n```\nhttps://steemitimages.com/DQmbzSWJVsaEzkaMN3NGXs3nuJtFv5pq5jt3Vg8E8mPSMX2/TASteem1.png\n\nI will try to explain this picture in my next post! Stay tuned! :)",
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