unsigned

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Why does "for (i = 100; i <= 0; --i)" loop forever?

unsigned int i; for (i = 100; i <= 0;开发者_开发技巧 --i) printf(\"%d\\n\",i); Should be i >= 0 in the second condition in the loop if you want it to loop from 100 to 0.[详细]

2023-02-06 18:29 分类：问答
PHP: casting to long or unsigned integer with 32 bits

I have a PostgreSQL 8.4.6 table where player hands with up to 32 cards are represented by 32 bits: # \\d pref_hand[详细]

2023-02-06 02:05 分类：问答
Efficiently convert an unsigned short to a char*

What would be an efficient, portable way to convert a unsigned short to a char* (i.e. convert 25 to \'25\').[详细]

2023-02-05 14:33 分类：问答
performance of unsigned vs signed integers

Is there any performance gain/loss by using unsigned integers over signed integers? If so, does this goes for开发者_StackOverflow中文版 short and long as well?Division by powers of 2 is faster with u[详细]

2023-02-05 05:51 分类：问答
Is int16_t guaranteed to be signed?

Is the int16_t type declared in <stdint.h> guaranteed to be signed, or is it just supposed to be signed?I would assume that it would have to be signed, but surprisingly I can\'t seem to find any[详细]

2023-02-03 19:10 分类：问答
-2 < 1 = false. Why?

Hy! Sorry for my bad engl开发者_如何学JAVAish, anyway the questions is: I have this code in objective-c:[详细]

2023-02-03 18:38 分类：问答
How to convert from integer to unsigned char in C, given integers larger than 256?

As part of my CS course I\'ve been given some functions to use. One of these fun开发者_高级运维ctions takes a pointer to unsigned chars to write some data to a file (I have to use this function, so I[详细]

2023-02-03 07:12 分类：问答
would doing arithmetic operation on a pair of signed and unsigned numbers be legal?

I\'m more than half way through learning assembly and I\'m familiar with the concept of how signed and unsigned integers are presented in bits, I know that it might seem a weird question of which the[详细]

2023-02-03 04:19 分类：问答
A 32-bit unsigned integer in NSDictionary

I am developing LiveJournal.com client and 开发者_如何学JAVAi have one question. Can u, please, explain what does it mean?[详细]

2023-02-02 13:37 分类：问答
uint8_t and unsigned char linking error

I\'m using template function: template<typename T> void func(const T& value) { obj->func(value);[详细]

2023-02-02 04:23 分类：问答