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Type-juggling and (strict) greater/lesser-than comparisons in PHP
...do follow math rules, but only when dealing with the same data types. Type casting is what really creates the confusion here (and in many other situations). When comparing numbers and strings and special values type conversions are done before the operators, so strictly speaking comparison operators...
{" was not expected.} Deserializing Twitter XML
...ializer is instantiated with aResponse but on deserializing I accidentally casted it to bResonse.
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Search for one value in any column of any table inside a database
...e + ''',''' + @ColumnName + ''',' + CASE @ColumnType WHEN 'xml' THEN 'LEFT(CAST(' + @ColumnName + ' AS nvarchar(MAX)), 4096),'''
WHEN 'timestamp' THEN 'master.dbo.fn_varbintohexstr('+ @ColumnName + '),'''
ELSE 'LEFT(' + @ColumnName + ', 4096),''' END + @ColumnType + '''
FROM ' + @TableName + ' (NOLO...
How do you check what version of SQL Server for a database using TSQL?
...n the answer posted by Matt Rogish:
DECLARE @ver nvarchar(128)
SET @ver = CAST(serverproperty('ProductVersion') AS nvarchar)
SET @ver = SUBSTRING(@ver, 1, CHARINDEX('.', @ver) - 1)
IF ( @ver = '7' )
SELECT 'SQL Server 7'
ELSE IF ( @ver = '8' )
SELECT 'SQL Server 2000'
ELSE IF ( @ver = '9' )
...
How do you create a read-only user in PostgreSQL?
...eSQL that can only do SELECTs from a particular database. In MySQL the command would be:
11 Answers
...
How do I create a SHA1 hash in ruby?
... There's also Digest::SHA1.base64digest 'foo'
– andrewrk
Jan 14 '12 at 1:31
14
FYI: Digest i...
How to parse JSON in Scala using standard Scala classes?
...
This is a solution based on extractors which will do the class cast:
class CC[T] { def unapply(a:Any):Option[T] = Some(a.asInstanceOf[T]) }
object M extends CC[Map[String, Any]]
object L extends CC[List[Any]]
object S extends CC[String]
object D extends CC[Double]
object B extends CC[B...
Returning anonymous type in C#
... article:
using System;
static class GrottyHacks
{
internal static T Cast<T>(object target, T example)
{
return (T) target;
}
}
class CheesecakeFactory
{
static object CreateCheesecake()
{
return new { Fruit="Strawberry", Topping="Chocolate" };
}
...
Increment value in mysql update query
...ot going offtopic on my first post, but I'd like to expand a little on the casting of integer to string as some respondents appear to have it wrong.
Because the expression in this query uses an arithmetic operator (the plus symbol +), MySQL will convert any strings in the expression to numbers.
T...
How do we count rows using older versions of Hibernate (~2009)?
...
For me this gave "java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Integer" but casting to a Long instead works...
– rogerdpack
Sep 17 '13 at 20:17
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