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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]

For example if I were to have a table "Person" with a column "id" that references a column "id" in table "Worker" 5 Answers...
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Windows远程桌面授权错误(授权超时)等报错信息疑难解答 - 更多技术 - 清...

...您参阅部署终端服务器指南 (http://go.microsoft.com/fwlink/?LinkID=34627) 和 Windows Server 2003 终端服务器授权问题和部署要求 (http://go.microsoft.com/fwlink/?LinkID=23444)。 您获得了哪条消息? · 由于无法升级或续订本地计算机的客户端...
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Convert datetime to Unix timestamp and convert it back in python

... %s does not work on Windows systems (ValueError: Invalid format string) – chrki May 3 '17 at 8:13 1 ...
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How to insert text into the textarea at the current cursor position?

...is snippet could help you with it in a few lines of jQuery 1.9+: http://jsfiddle.net/4MBUG/2/ $('input[type=button]').on('click', function() { var cursorPos = $('#text').prop('selectionStart'); var v = $('#text').val(); var textBefore = v.substring(0, cursorPos); var textAfter = v...
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Embedded MongoDB when running integration tests

...org.junit.Test; public class EmbeddedMongoTest { private static final String DATABASE_NAME = "embedded"; private MongodExecutable mongodExe; private MongodProcess mongod; private MongoClient mongo; @Before public void beforeEach() throws Exception { MongodStarter s...
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How to properly reuse connection to Mongodb across NodeJs application and modules

...tion should be open when app starts and reused between modules. My current idea of the best way is that server.js (main file where everything starts) connects to database and creates object variable that is passed to modules. Once connected this variable will be used by modules code as necessary a...
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Android ListView Divider

...ou should use 1px instead of 1dp or 1dip: if you specify 1dp or 1dip, Android will scale that down. On a 120dpi device, that becomes something like 0.75px translated, which rounds to 0. On some devices, that translates to 2-3 pixels, and it usually looks ugly or sloppy For dividers, 1px is the corr...
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What's the best way to unit test protected & private methods in Ruby?

...------------------------------ Object#instance_eval obj.instance_eval(string [, filename [, lineno]] ) => obj obj.instance_eval {| | block } => obj ------------------------------------------------------------------------ Evaluates a string containing Ruby...
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In a storyboard, how do I make a custom cell for use with multiple controllers?

... is currently no way to do this. To understand why your previous attempts didn't work, you need to understand more about how storyboards and prototype table view cells work. (If you don't care about why these other attempts didn't work, feel free to leave now. I've got no magical workarounds for you...
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Is it possible to get the non-enumerable inherited property names of an object?

...ndexOf", "sort", "splice", "concat", "pop", "unshift", "shift", "join", "toString", "forEach", "reduceRight", "toLocaleString", "some", "map", "lastIndexOf", "reduce", "filter", "reverse", "every", "hasOwnProperty", "isPrototypeOf", "valueOf", "__defineGetter__", "__defineSetter__", "__lookupGetter_...