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How to change MySQL data directory?

Is it possible to change my default MySQL data directory to another path? Will I be able to access the databases from the old location? ...
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Can I change the root EBS device of my amazon EC2 instance?

... I don't have enough rep to add a comment to the selected answer, but I do want to point out that for me, /dev/sda1 did not work (did not attach as root), but using /dev/xvda worked (attached as root). The instance is one of the newer t2.micro ones using HVM. ...
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Build fat static library (device + simulator) using Xcode and SDK 4+

... else OTHER_SDK_TO_BUILD=iphonesimulator${SDK_VERSION} fi echo "XCode has selected SDK: ${PLATFORM_NAME} with version: ${SDK_VERSION} (although back-targetting: ${IPHONEOS_DEPLOYMENT_TARGET})" echo "...therefore, OTHER_SDK_TO_BUILD = ${OTHER_SDK_TO_BUILD}" # #####################[ end of part 1 ]##...
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How to do an update + join in PostgreSQL?

... coming from mysql it's unintuitive that the same join used for select won't also update just by adding a set phrase :( still - the syntax for this is probably easier for a newcomer to sql to master. – WEBjuju Jul 16 at 19:47 ...
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How to import existing Android project into Eclipse?

... import and existing Android project into my current Eclipse workspace. I select File->New->Android Project, which brings up the Android project dialog, I then select, "Create project from existing source", Location, Build Target and Finish. ...
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How to get last inserted id?

... INSERT INTO aspnet_GameProfiles(UserId,GameId) VALUES(@UserId, @GameId); SELECT SCOPE_IDENTITY() And then Int32 newId = (Int32) myCommand.ExecuteScalar(); share | improve this answer ...
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Why “no projects found to import”?

...ing to "import existing project into workspace". As the "root directory" I select the directory where all my .java (and .class) files are located. Eclipse writes me that "no projects are found to import". Why? ...
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'any' vs 'Object'

...d to accept multiple known types, a better approach is to declare it using union types, as in function fc(param: string|number): void {} Obviously, OO inheritance rules still apply, so if you want to accept instances of derived classes and treat them based on their base type, as in interface IPe...
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创业者如何发现开放却未知的秘密 - 资讯 - 清泛网 - 专注C/C++及内核技术

创业者如何发现开放却未知的秘密所谓开放却未知的秘密,其实就在用户手上,在用户口中,就在数据里面。最近几篇专栏一直在围绕需求这个主题展开,从第一篇的人性,第二篇的最美投资往往在眨眼之间,到第三篇的敬畏街...
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?

... using Standard SQL. An obvious omission is the equivalent using EXCEPT: SELECT a FROM table1 EXCEPT SELECT a FROM table2 Note in Oracle you need to use the MINUS operator (arguably a better name): SELECT a FROM table1 MINUS SELECT a FROM table2 Speaking of proprietary syntax, there may also ...