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How do I provide custom cast support for my class?

... implicit operator byte[] (MyType x) { byte[] ba = // put code here to convert x into a byte[] return ba; } or public static explicit operator MyType(byte[] x) { if (!CanConvert) throw new DataValueNullException(); // Factory to convert byte[] x into MyType MyType mt ...
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T-SQL get SELECTed value of stored procedure

... for INTs, because RETURN can only return a single int value and nulls are converted to a zero. OUTPUT PARAMETER you can use an output parameter: CREATE PROCEDURE GetMyInt ( @Param int ,@OutValue int OUTPUT) AS SELECT @OutValue=MyIntField FROM MyTable WHERE MyPrimaryKeyField = @Param RETURN ...
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Can virtual functions have default parameters?

.... However since no one mentions simple and effective solution, here it is: Convert your parameters to struct and then you can have default values to struct members! So instead of, //bad idea virtual method1(int x = 0, int y = 0, int z = 0) do this, //good idea struct Param1 { int x = 0, y = 0...
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Jquery Ajax Posting json to webservice

...uses (JavaScriptSerializer) is pretty flexible, and will do what it can to convert your input data into the server-side type you specify. share | improve this answer | follow...
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Counting Chars in EditText Changed Listener

... @MartinLockett use Integer.toString(int_type) to convert string to int. – Mehdi Rostami Jun 5 '16 at 17:09 add a comment  |  ...
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How to print a percentage value in python?

... You are dividing integers then converting to float. Divide by floats instead. As a bonus, use the awesome string formatting methods described here: http://docs.python.org/library/string.html#format-specification-mini-language To specify a percent convers...
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Change type of varchar field to integer: “cannot be cast automatically to type integer”

...YPE integer USING (trim(col_name)::integer); to strip white space before converting. This shoud've been obvious from an error message if the command was run in psql, but it's possible PgAdmin-III isn't showing you the full error. Here's what happens if I test it in psql on PostgreSQL 9.2: => ...
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How To Check If A Key in **kwargs Exists?

...to you in advance. However, if they are, here is a simple example: import sys def myfunc(**kwargs): args = {'country':'England','town':'London', 'currency':'Pound', 'language':'English'} diff = set(kwargs.keys()) - set(args.keys()) if diff: print("Invalid args:",tu...
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I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.

... With Java 8 and later, you can convert the Date object to a LocalDate object and then easily get the year, month and day. Date date = new Date(); LocalDate localDate = date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate(); int year = localDate.ge...
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Split function equivalent in T-SQL?

...AX); WITH CTE AS ( SELECT 0 A, 1 B UNION ALL SELECT B, CONVERT(INT,CHARINDEX(@Delimiter, @Text, B) + LEN(@Delimiter)) FROM CTE WHERE B > A ) INSERT @A(V) SELECT SUBSTRING(@Text,A,CASE WHEN B > LEN(@Delimiter) THEN B-A-LEN(@Delimiter) ELSE LEN(@Text) - A ...