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LIKE vs CONTAINS on SQL Server

...e an index, since it starts with a wildcard, so will always require a full table scan. The CONTAINS query should be: SELECT * FROM table WHERE CONTAINS(Column, 'test'); share | improve this ans...
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ASP.NET MVC 5 - Identity. How to get current ApplicationUser

... having an extra context for starters, but going forward the user database tables change (3 times in the past 2 years) but the API is consistent. For example the users table is now called AspNetUsers in Identity Framework, and the names of several primary key fields kept changing, so the code in sev...
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SQL Server CTE and recursion example

...your question? -------------------------------------------- -- Synthesise table with non-recursive CTE -------------------------------------------- ;WITH Employee (ID, Name, MgrID) AS ( SELECT 1, 'Keith', NULL UNION ALL SELECT 2, 'Josh', 1 UNION ALL SELECT 3...
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What is the ideal data type to use when storing latitude / longitude in a MySQL database?

... FYI; Mysql support spatial index only with *.myisam tables, i.e. the ISAM engine. Link: dev.mysql.com/doc/refman/5.0/en/creating-spatial-indexes.html – PodTech.io Jan 15 '17 at 5:46 ...
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection

... f = Import["http://thwartedglamour.files.wordpress.com/2010/06/my-coffee-table-1-sa.jpg"] f = ImageResize[f, ImageDimensions[f][[1]]/4] g = MedianFilter[ColorConvert[f, "Grayscale"], 2] h = DeleteSmallComponents[Thinning[ Binarize[ImageSubtract[Dilation[g, 1], Erosion[g, 1]]]]] convexvert = C...
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OceanBase使用libeasy原理源码分析:服务器端 - 数据库(内核) - 清泛网 - ...

...回调函数分别为easy_connection_on_readable,easy_connection_on_writable和easy_connection_on_timeout_conn(注意,仅仅是初始化,还没有激活) 6. 激活该连接的read_watcher(即让该连接所属的IO线程的event loop监听这个连接的读事件), 设置其回调函数为e...
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Convert xlsx to csv in Linux with command line

...Errno 13] Permission denied: '/usr/local/lib/python2.7/dist-packages/prettytable-0.7.2-py2.7.egg/EGG-INFO/top_level.txt'). Now that I think about it, I got the same error with csvkit. – user2105469 May 28 '14 at 17:24 ...
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How to hide UINavigationBar 1px bottom line

... problem where my iOS top status bar become translucent and I could see my table view scrolling behind the UINavigationBar. I fixed this by setting setTranslucent = NO. – Vlad Jul 1 '15 at 6:04 ...
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How to load a tsv file into a Pandas DataFrame?

...od - it was very slow and failed indexing at the end. Instead, i used read_table(), which worked much faster and without the extra param. – Yurik Aug 15 '14 at 9:56 ...
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MySQL stored procedure vs function, which would I use when?

...hilst with stored function you can. e.g. SELECT get_foo(myColumn) FROM mytable is not valid if get_foo() is a procedure, but you can do that if get_foo() is a function. The price is that functions have more limitations than a procedure. ...