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Applications are expected to have a root view controller at the end of application launch

... You can also set this in the project properties. Select project, your target, you can edit this in Summary -> iPhone / iPad Deployment info. – doekman Jun 9 '13 at 9:41 ...
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M_PI works with math.h but not with cmath in Visual Studio

... As suggested by user7860670, right-click on the project, select properties, navigate to C/C++ -> Preprocessor and add _USE_MATH_DEFINES to the Preprocessor Definitions. That's what worked for me. share ...
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Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF

...need to generate the OperationID by yourself. The new id can be fetched by SELECT SCOPE_IDENTITY(). – Hakan Winther Aug 26 '09 at 13:29 15 ...
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What are the key differences between Scala and Groovy? [closed]

...ts instead. Groovy uses the static concept. Scala does not have built in selection of arithmetic operators in quite the way that Groovy does. In Scala you can name methods very flexibly. Groovy has the elvis operator for dealing with null. Scala programmers prefer to use Option types to using n...
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MySQL “incorrect string value” error when save unicode string in Django

...ASE `%s` CHARACTER SET 'utf8' COLLATE 'utf8_unicode_ci'" % dbname) sql = "SELECT DISTINCT(table_name) FROM information_schema.columns WHERE table_schema = '%s'" % dbname cursor.execute(sql) results = cursor.fetchall() for row in results: sql = "ALTER TABLE `%s` convert to character set DEFAULT C...
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What is INSTALL_PARSE_FAILED_NO_CERTIFICATES error?

... No need to check both, Select V1 if you are supporting OS 7.0 and below Check V2 if you are supporting the devices running on 7.0 and above. – 
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Pick a random element from an array

...low Just to answer your question, you can do this to achieve random array selection: let array = ["Frodo", "sam", "wise", "gamgee"] let randomIndex = Int(arc4random_uniform(UInt32(array.count))) print(array[randomIndex]) The castings are ugly, but I believe they're required unless someone else h...
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Input with display:block is not a block, why not?

...up with all sorts of retarded hacks like using 99% width to get inputs and selects to match. I really want a way to treat an input like a div and I was hoping I'd just overlooked something. – SpliFF Jun 23 '09 at 6:05 ...
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Does Android keep the .apk files? if so where?

...y Access your phone using AirDroid from your PC web browser Go to Apps and select the installed app Click the "download" button to download the APK version of this app from your phone You don't need to root your phone, use adb, or write anything. ...
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How to find the statistical mode?

...in density.default(x, from = from, to = to) : need at least 2 points to select a bandwidth automatically – Sergio Feb 10 '16 at 4:47 ...