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How can I disable ARC for a single file in a project?

... Flags. You can also add it to multiple files by holding the cmd button to select the files and then pressing enter to bring up the flag edit box. (Note that editing multiple files will overwrite any flags that it may already have.) I created a sample project that has an example: https://github.com...
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What does SQL clause “GROUP BY 1” mean?

... SELECT account_id, open_emp_id ^^^^ ^^^^ 1 2 FROM account GROUP BY 1; In above query GROUP BY 1 refers to the first column in select statement which is account_id. You also can speci...
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Why use the SQL Server 2008 geography data type?

...tance < 500 * 1609.344 orderby distance select f; return q1.FirstOrDefault(); } Then there is a very good reason to use Geography. Explanation of spatial within Entity Framework. Updated with Creating High Performance Spatial Databases As I noted on Noe...
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How to empty a redis database?

... $ redis-cli then select database. I am selecting 0 > select 0 and delete all keys of db 0 > FLUSHDB – sagar junnarkar May 5 '15 at 17:41 ...
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REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

... # # all_langs : All languages # # Specify value as the following to select any of the languages. # Example : SELECTED_LANGUAGES=en,fr,ja # # Specify value as the following to select all the languages. # Example : SELECTED_LANGUAGES=all_langs #---------------------------------------------...
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Angular ng-repeat Error “Duplicates in a repeater are not allowed.”

...cause I mistakenly set the ng-model the same as the ng-repeat array: <select ng-model="list_views"> <option ng-selected="{{view == config.list_view}}" ng-repeat="view in list_views" value="{{view}}"> {{view}} </option> </select> Inste...
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Archiving project in Xcode incorrectly creates multi-application bundle

...stall is set to No or which header files are causing the problem try this: Select the archive and click the Distribute button. Select the 'Save Built Products' option. Hit Next and Save. Browse the created directory in Finder. The 'libraries' subdirectory will identify the libraries that you need t...
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sqlite database default time value 'now'

...ime('%s','now')) ); insert into example(data) values ('foo') ,('bar') ; select id ,data ,created_at as epoch ,datetime(created_at, 'unixepoch') as utc ,datetime(created_at, 'unixepoch', 'localtime') as localtime from example order by id ; id|data|epoch |utc |localtime 1 |foo ...
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Is there a better way to express nested namespaces in C++ within the header

...A_HELPER_EXPAND(VA_COUNT_HELPER(__VA_ARGS__, 6, 5, 4, 3, 2, 1)) #define VA_SELECT_CAT(_Name, _Count, ...) VA_HELPER_EXPAND(_Name##_Count(__VA_ARGS__)) #define VA_SELECT_HELPER(_Name, _Count, ...) VA_SELECT_CAT(_Name, _Count, __VA_ARGS__) #define VA_SELECT(_Name, ...) VA_SE...
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What is SQL injection? [duplicate]

...ue for any language), which might be used to handle a user login. $sql = "SELECT FROM users WHERE username='".$_GET['username']."' AND password='".$_GET['password']."'"; The harm is done when the user enters something like administrator'; -- ... for the username. Without proper encoding the...