casting

相关标签：javascript jquery android 多少钱 iPhone

How to make PHP error when using an non-integer key for array-accessing a string

In PHP, you can access characters in a string with the array syntax: $foo = \'abc\'; echo $foo[2]; // echos \'c\'[详细]

2023-04-06 00:44 分类：问答
Using OraclePreparedStatement with DBCP Connection

I\'m trying to make a connection pool with the dbcp framework for my oracle server. I used this tutorial for the connection.[详细]

2023-04-05 22:51 分类：问答
needed explanation for a c-program

In a c-book 开发者_如何学JAVAI bought, an exercise program is given as what is the output for the following code snippet?[详细]

2023-04-05 21:21 分类：问答
Casting a pointer does not produce an lvalue. Why?

Afte开发者_JS百科r posting one of my most controversial answers here, I dare to ask a few questions and eventually fill some gaps in my knowledge.[详细]

2023-04-05 14:35 分类：问答
Interpreting a uint16_t as a int16_t

Is there a portable and safe way to interpret the bit-pattern made by a boost::uint16_t as aboost::int16_t? I have a uint16_t, which I know represents a signed 16-bit integer encoded as little-endian.[详细]

2023-04-05 13:12 分类：问答
What is the appropriate exception to throw for an Object being passed in and needing to be cast to the generic parameter?

public IPredefinedInterface { void DoSomething(Object obj); } public class MyClass<T> : IPredefinedInterface[详细]

2023-04-05 05:05 分类：问答
Multiple inheritance casting from base class to different derived class

Let\'s assume there is such class hierarchy: class A //base class class B //interface class C : public A, public B[详细]

2023-04-05 04:21 分类：问答
Query returns SQL expression and not value from database?

I have an integer co开发者_如何学Pythonlumn in my table in the database, and I want to select it but it give me exception that can\'t convert from int to string[详细]

2023-04-05 00:24 分类：问答
Adapter from Interface<Type> to Interface<Subtype>

Consider the following interface. public interface Feed<T> { public void put( T o ); } We have a straightforward Java class implementing this interface, that writes objects to a specific co[详细]

2023-04-04 18:21 分类：问答
use type() information to cast values stored as strings

In my application I have generated a number of values (three columns, of type int, str and datetime, see example below) and these values are stored in a flat file as comma-separated strings. Furthermo[详细]

2023-04-04 18:17 分类：问答