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Printing a variable memory address in swift

... var aString : String = "THIS IS A STRING" NSLog("%p", aString.core._baseAddress) // _baseAddress is a COpaquePointer // example printed address 0x100006db0 This prints the memory address of the string, if you open XCode -> Debug Workflow -> View Memory and go to the printed addre...
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Best way to select random rows PostgreSQL

...ery: SELECT count(*) AS ct -- optional , min(id) AS min_id , max(id) AS max_id , max(id) - min(id) AS id_span FROM big; The only possibly expensive part is the count(*) (for huge tables). Given above specifications, you don't need it. An estimate will do just fine,...
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Conversion failed when converting date and/or time from character string while inserting datetime

... | edited Nov 2 '15 at 18:32 B. Clay Shannon 18.9k116116 gold badges368368 silver badges718718 bronze badges ...
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Enum type constraints in C# [duplicate]

...: {3} ", IO.FileAccess.ReadWrite, IO.FileAccess.Read, IO.FileAccess.Write, _ Enums.HasFlags(IO.FileAccess.ReadWrite, IO.FileAccess.Read Or IO.FileAccess.Write)) ' These fail to compile as expected: 'Console.WriteLine(Enums.HasFlags(IO.FileAccess.ReadWrite, IO.FileOptio...
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event Action vs event EventHandler

...ardArgs("Fred")); //Console.WriteLine($"{HeightSensorTypes.Keyence_IL030}:{(int)HeightSensorTypes.Keyence_IL030}"); Console.ReadLine(); } private static void SomeSimpleEvent1(int num) { Console.WriteLine($"{nameof(SomeSimpleEvent1)}:{num}"); } private st...
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How do I get a file extension in PHP?

... Sayed Mohd Ali 1,97833 gold badges77 silver badges2323 bronze badges answered Oct 6 '08 at 11:03 e-satise-satis 492k103103 gold b...
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Converting a string to a date in JavaScript

... function stringToDate(_date,_format,_delimiter) { var formatLowerCase=_format.toLowerCase(); var formatItems=formatLowerCase.split(_delimiter); var dateItems=_date.split(_delimiter); var monthIndex=f...
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Is there a max array length limit in C++?

...re support in the integer math unit. On every x86 OS I've used, size_t is 32-bits for a 32-bit OS and 64-bits for a 64-bit OS. – Mr Fooz Dec 18 '09 at 22:36 2 ...
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How can I expand the full path of the current file to pass to a command in Vim?

... Umber FerruleUmber Ferrule 3,24666 gold badges3232 silver badges3838 bronze badges 5 ...
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SQL WHERE.. IN clause multiple columns

...ble1 to this derived table: select * from table1 LEFT JOIN ( Select CM_PLAN_ID, Individual_ID From CRM_VCM_CURRENT_LEAD_STATUS Where Lead_Key = :_Lead_Key ) table2 ON table1.CM_PLAN_ID=table2.CM_PLAN_ID AND table1.Individual=table2.Individual WHERE table2.CM_PLAN_ID IS NOT NULL ...