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      "title": "EOS-DEVELOPERS LOG STARDATE 20176.30",
      "body": "Ready for Steemit to be easier to understand? View all the major Steem changes from release in 2016 to through 19.0…\n$1,056.37\n 550 154\nJanet Yellen Just Said The Most Ridiculous Thing We've Heard All Year!\n3 hours ago by dollarvigilante 72 in yellen\n\nOf all people, the last person you should ever ask about what is going to happen in the economy is a central banker or…\n$940.93\n 468 126\nAnnouncing Steemit's First OFFICIAL Crowdsourced Marketing Project!\n2 days ago by steemitblog 69 in steemit\n\nToday we are happy to announce the first crowdsourced marketing project Steemit Inc. will be officially supporting…\n$2,077.71\n 198 72\neSteem Photo effects, filters\n10 hours ago by good-karma 73 in esteem\n\nIn this post, I am going to share some tricks and tips on how to apply certain effects and filters for you photos…\n$944.75\n 550 126\n•••\nBeing Happy Is A Choice... So Why Choose To Be Unhappy?\nyesterday by jeffberwick 59 in life\n\nBack in Anarchapulco with my unruly dogs and talking about how important it is to get control of your mind to find…\n$1,209.05\n 699 230\nThe Steemit Crypto Challenge #16 - Winner Announcement\n1 hour ago by timsaid 70 in steemitcryptochallenge\n\nThe 16th Steemit Crypto Challenge is over and we are happy to announce the winner: Congratulations @jfollas! You…\n$780.51\n 266 40\nMiss. Opinionated : The woes of Travel - Budget Airlines\n2 days ago by sweetsssj 74 in life\n\nTraveling. It leaves you speechless then turns you into a story teller As you well know, my sweeter…\n$1,730.20\n 1386 553\nchainBB v0.3.0 - social feed, following, and forum subscriptions\n2 days ago by jesta 69 in chainbb\n\nToday I'm proud to announce the release of chainBB v0.3, which encompasses many familiar and new social features. This…\n$1,565.50\n 701 158\n2000 Steem Prize! Develop SteemJ.com for Steemit Freelancing!\nyesterday by jerrybanfield 63 in steemj\n\nAre we ready to start making getting jobs easier with Steemit? Claim my 2000 Steem prize to make the first…\n$1,120.68\n 899 386\nTravel with me #73 : A look at the Atlantis Casino from a non gambler!\n21 hours ago by sweetsssj 74 in travel\n\nDear Steemit Friends : As you know, I've had the opportunity to stay at the Atlantis Resort in Bahamas for…\n$1,004.11\n 817 441\nWhat You Need To Know In The Vacation Rental Industry 07-01-2017\n14 hours ago by bookingteam.com 62 in business\n\nHey there everyone, welcome to the BookingTeam \"What you need to know in the vacation rental industry\" blog post! See…\n$882.41\n 198 54\nSTEEMPARK // 스팀 여름공원이 Steemit Inc. 의 첫 공식 Crowdsourcing 프로젝트로 채택되었습니다!\nyesterday by hansikhouse 66 in steempark\n\nClick Here for English Posting . 스팀 여름공원이 첫 크라우드 소싱 마켓팅 프로젝트가 되어 Steemit Inc. 의 공식적인 지원을 받게되었습니다! Steemit…\n$1,029.15\n 331 99\nSTEEM PARK IS OFFICIAL : Steemit's First Crowdsourced Marketing Project\nyesterday by hitheryon 67 in steempark\n\nSTEEM Park is Official! We are absolutely thrilled to announce that our STEEM Park project received…\n$952.66\n 389 89\nBitcoin Could Reach $25,000 Soon / EOS Scam? / Blockfolio Snooping Portfolios / Dash Roadmap / More!\n2 days ago by crypt0 69 in crypto-news\n\n👍 Thank You Very Much For Watching!  ►🚀Check Out David's Site ►🚀Might Reddit Be Moving To Ethereum…\n$1,241.14\n 919 283\nSmartcoins Wallet, graphenej, Stealth, BlockPay, C-IPFS... Weekly Report\n10 hours ago by kencode 69 in bitshares-munich\n\nIs it July already? Man how time flies when you're BACK AT WORK :) In this weeks update, I have good news and bad…\n$688.31\n 209 39\n聊聊点赞机器人的点赞策略 /The Policies of Curation Bots\n9 hours ago by oflyhigh 69 in cn\n\n在前文： 聊聊机器人🤖 / Robots on STEEMIT 我们粗略的谈及了点赞机器人/Curation Bots， 这里我们来聊聊点赞机器人的策略。 策略/Policies…\n$622.44\n 136 19\nCooperation Is Humanity's Greatest Asset!\n20 hours ago by teamsteem 68 in cooperation\n\nI've been sitting on this post for more than a week now. I thought I wouldn't publish it for some reasons. I…\n$692.67\n 338 98\n[14th Week] New Theme 'Cave', Story and Quest System!\n8 hours ago by appetizergames 51 in gaming\n\nHey guys! We're here to show you 14th week works! Dev-works on 14th week are as follows: New Theme 'Cave'…\n$561.01\n 181 13\nTropical Beach Camping, Foraging & Spearfishing [3 Minute Video]\n11 hours ago by dispatches 53 in adventure\n\nOn a paradise island with a speargun, a machete, and a drone. I've done this beach camping trip four times now…\n$581.47\n 179 46\nBack\nEOS - Developer’s Log Stardate 20176.30\nyesterday\ndan67 in eos\n\n\nThis week block.one’s blockchain c++ development team has picked up 4 new members and has been interviewing a few more. The new recruits have already begun making contributions to the code.\n\nRemoving Registered Message Schemas\nWith the move to WebAssembly (WASM) we have had to re-evaluate some of our earlier design decisions based on the assumption of using Wren. Because WASM is language independent, every application would have to provide different WASM for parsing the messages passed to the application. This means the ABI (application binary interface) is technically defined by the WASM parsing and not our prior builtin registered message types and formats.\n\nSince the blockchain is unable to enforce the message schemas and every contract would have to independently parse and validate the incoming binary data, we opted to remove the blockchain defined message schemas. This gives more power to application developers.\n\nChanging Account Name Structure\nOne of the bigger changes to the code this week was changing account names from 256 bit strings to 60 bit integers that convert to human-readable names via base32 encoding. This limits the account names to 12 lowercase letters and a few numbers. The average Twitter account is only 12 characters long.\n\nThis change was made primarily out of bandwidth, memory, and performance considerations. From an applications logic perspective an account name is simply a unique identifier and they are used everywhere. The old ABI would serialize these account names as length-prefixed strings and require a computationally intensive unpacking process.\n\nBy moving to a fixed-width integer representation for accounts we got performance, but the developer experience was less friendly. To resolve this we simply print the integers as base32 and this gives human-readable names.\n\nLonger names can still be supported by registering them with a name service contract.\n\nA typical transfer message is 75% smaller after this change, which makes a big difference when you are processing 10's of thousands of them per second.\n\nFiltering Floating point from WASM\nWe updated the WASM processing to detect and reject code that uses floating point operations which can generate non-deterministic behavior.\n\nSandboxing WASM Runtime\nWe made significant progress toward injecting checkpoints into WASM to allow us to check the runtime and abort if too much time has passed. This is a critical component of running untrusted code.\n\nNew C++ Simplecoin (80,000 TPS)\nIn one of my prior updates I showed a proof-of-concept currency smart contract written in C and achieving 50K transactions per second. I mentioned that I thought we could clean up the syntax and today I am happy to show a new implementation of the simplecoin in C++ that gets compiled to WASM and then executed. Using a tight loop of generating and pushing transactions to the blockchain we achieved 80K TPS transferring funds from one account to another in a single thread.\n\nReal world performance may be higher or lower based upon the evolving architecture, it is still too early to tell. All measurements were made on a 4Ghz Intel Core i7 in a 2014 iMac.\n\nstruct Transfer {\n  uint64_t    from;\n  uint64_t    to;\n  uint64_t    amount;\n  char        memo[];\n};\n \nstatic_assert( sizeof(Transfer) == 3*sizeof(uint64_t), \"unexpected padding\" );\n \nstruct Balance {  uint64_t    balance; };\n \nvoid on_init() {\n  static Balance initial = { 1000*1000 };\n  static AccountName simplecoin;\n  simplecoin = name_to_int64( \"simplecoin\" );\n \n  store( simplecoin, initial ); \n}\n \nvoid apply_simplecoin_transfer() {\n   static Transfer message;\n   static Balance from_balance;\n   static Balance to_balance;\n   to_balance.balance = 0;\n \n   readMessage( message  );\n   load( message.from, from_balance );\n   load( message.to, to_balance );\n \n   assert( from_balance.balance >= message.amount, \"insufficient funds\" );\n   \n   from_balance.balance -= message.amount;\n   to_balance.balance   += message.amount;\n   \n   if( from_balance.balance )\n      store( message.from, from_balance );\n   else\n      remove( message.from );\n \n   store( message.to, to_balance );\n}\nNot only is the code cleaner and easier to read, the generated WASM code is much smaller too. Most of this time and space savings is made possible by changing the account name and ABI for this contract. In this case the ABI uses a zero-parse copy from the database to the c++ struct and all account names are fixed length.\n\nYou can experiment with this code on WasmFiddle with this shared link.\n\nConclusion\nThe EOS development team is growing and the technology is progressing with all signs pointing toward a very high-performance platform even running in a single thread. Stay tuned for more updates!![DQmeb1bXje2aQcnBhUwuV4ZY3xS1uNio3TedqabCLqFvMTU_640x480.png](https://steemitimages.com/DQmTSoi36jUXZavU9NNuYJdFY6HGnWwVnZ5cyJYnTFCFxYr/DQmeb1bXje2aQcnBhUwuV4ZY3xS1uNio3TedqabCLqFvMTU_640x480.png)",
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      "body": "chinasa (25)\nlove for Christ\n\n46 followers1 post41 following\n Nigeria steemit.com/@chifrekee Joined June 2017\n\nUNFOLLOWMUTE\nBlog\nComments\nReplies\nRewards\nWallet\nChildren celebrating mothers!\nyesterday by chifrekee 25 in nature\n\nIn an era where motherhood is becoming so politicized, with questions roiling about having a career versus staying at…\n$0.10\n 9 3\nBack\nChildren celebrating mothers!\nyesterday\nchifrekee25 in nature\nIn an era where motherhood is becoming so politicized, with questions roiling about having a career versus staying at home, breast-feeding versus the bottle -- even dinner-time choices are scrutinized -- we decided to ask Steemits to write something about their mothers, drop your comments about your mother! For me my mum rocks, i still misses her!IMG_20170630_095905_367.JPG\n'She gives all she has to us, and more'\nMy mother's most generous gift is giving all her time and self to my family.\nSome background, my parents are immigrants from South Korea. They came here with little more than the clothes on their backs and have raised my brother and I the best way they know how with the little that they had, and that includes time. My parents had their own business and never had enough time for us. That is all in the past, and while I appreciate what they did before, they are even more giving now. Eight years ago ... my mother let me marry a man from South Korea, even though she had her misgivings. I was born and raised in America and am an American in every way, but went and married a Korean man. Through it all, my mother has stood by me and helped us in our struggle to survive, both as a couple and as parents in America. When we came to the states, my husband did not speak English. He was unsure of himself and was not able to find a job. My parents provided a roof for us. We only had one car, my parents gave us one of their spare cars. I don't know how to cook Korean food, so my mother slaved over a stove, after she came home from her work, to give him a traditional Korean meal every night. When we felt that we were able to move out on our own, my parents gave us a loan to buy a home. They gave us one of their vehicles to take with us to our new home. When I went back to work after my second child was born, my mother closed her business and took care of my children so that I could work full-time. To this day, she still watches my children and takes my daughter to and from school. We have purchased a larger home and my parents are still supporting us through this endeavor with their tips and tricks of being homeowners. My mother has no boundaries to the love she gives my family and even though we no longer live with her, she still sends home food for my husband so that he doesn't miss Korea so much.\nThat is how generous my mother is. She gives all she has to us, and more.\n— Sarah Woo\nGenerosity in tough times\nI remember as a young child, times were financially hard in our family. Mom would sometimes have to borrow my allowance money to make ends meet at the end of the week. Still once a month, she would buy some steaks and would grill them up for Dad and I (she knew I loved steak), and would end up giving me half of hers because I would want more. I was too young to completely understand what she was doing. But, as I became \"married with children,\" I came to understand the sacrifices parents make for their kids.\n— Cyndee Davis, via Facebook\n#Lifesaver\nShe traveled from Virginia and stayed 2 weeks with us after we had our twin babies.\n— Jenn Sealine, via Facebook\nA mother's message of strength\nI just opened my morning newspaper to your article [The Des Moines Register recently published a piece asking for reader recollections for Mother's Day] I read after the piece [about the] SEP Vigil on students addressing bullying. After reading the Southeast Polk article, my mind raced back to my own years at SEP. Going to school there in the late 60's and early 70's, I, myself, was a victim of bullying. But in those times, that [was] not what it was called. I was born with a speech impediment. Born with a cleft palette that impaired my speech dramatically. Yes, I was made fun of many many times. But I do attribute my strength and courage to my mother. She knew I had to be prepared for my adult life. She encouraged me to step forward and always speak for myself, make my own doctor appointments, hair appointments and step forward in public places.\nShe gave me such self worth and encouraged me to pursue my dreams. My dream of dance. I now have been in the dance business for 43 years. I own a dance studio for children and owe a lot of this success to my mother. Your tender article brought tears to my eyes. Seeing your mother as mine, trying to do the best for their daughters. With all these issues on bullying, sometimes I think parents and families need to step in early and focus on their children's self worth. It starts in the home. To build confidence and integrity. We need to make our children strong.",
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      "body": "Steeming is tough work, but here's my advice: the more you Steem, the more likely you will succeed. So as people like to say, Keep Steemin' On!\n![DQmUYL8JTnmGLRycz9CQHtCbqoaoQeLkP29VGj969KPnL3C_640x480.jpg](https://steemitimages.com/DQme68LYtTiBktvMapzH9p63vK9psxLQ9QM68chLXd7qNnj/DQmUYL8JTnmGLRycz9CQHtCbqoaoQeLkP29VGj969KPnL3C_640x480.jpg)",
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      "body": "Today we are happy to announce the first crowdsourced marketing project Steemit Inc. will be officially supporting! For the past few months we have been conducting our due diligence and conferring with the various people working on marketing projects. Lots of great people are working on lots of great things, but the project we have selected has the right combination of ambition, support, and return-on-investment. It’s also going live very soon![DQmbxmh5BdbCw5jcGJ2eAT2LKF8WvjX2UrwT9hgbkmq572M_640x480.jpg](https://steemitimages.com/DQmSQBiDpfy5sUK23bWQaV79aVad2vetikfXHymhgJEkkQY/DQmbxmh5BdbCw5jcGJ2eAT2LKF8WvjX2UrwT9hgbkmq572M_640x480.jpg)",
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