types

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Getting "error: type mismatch; found : Unit required: () => Unit" on callback

I am just starting out going through a tutorial on scala and have hit a block. I have merged together a couple of examples and am getting an error, but don\'t know why.[详细]

2023-04-08 08:26 分类：问答
Why does Qt use qint64 for data lengths and offsets instead of quint64?

QIODevice and the related classes use qint64 for positions and sizes which is a signed datatype. Is there a need to exp开发者_Python百科ress negative values? Because otherwise the 8 bytes of such a ty[详细]

2023-04-08 06:50 分类：问答
How to hint types when compiling with llvm-gcc?

In some C code, I\'m defining a simple static array as a function argument, say: void foo(float color[3]);[详细]

2023-04-08 02:53 分类：问答
Do you know of any project that has redefined the native types of PHP as objects? Is it feasible?

Do you know of any project that has redefined the native types of PHP (string, array, ints, floats, bools, etc.) as objects? I\'m not sure how feasible it would be but i was just thinking that it woul[详细]

2023-04-08 01:28 分类：问答
how can i get set integer, string value from my Enum in Java?

How can i pre-define any t开发者_如何学Goypes of values in the Enum? public enum Hardware { USB2(0) = \"external low speed\",[详细]

2023-04-08 00:47 分类：问答
Data types where precision level means range of tolerance

What existing terminology and art is there for data types that have values implying ranges of tolerance, not specific points?[详细]

2023-04-07 22:16 分类：问答
Convert float to String and String to float in Java

How could I convert from float to string or 开发者_运维百科string to float? In my case I need to make the assertion between 2 values string (value that I have got from table) and float value that I ha[详细]

2023-04-07 20:22 分类：问答
I can't fix this seemingly, simple, cast related, postgresql error

So, I have this query: SELECT count(*) AS count FROM table1 INNER JOIN \"some query\" WHERE \"some more query\"[详细]

2023-04-07 19:44 分类：问答
difference between int bar[10] vs int (*bar)[10]

int bar[10]; /* bar is array 10 of int, which means bar is a pointer to array 10 of int */ int (*bar)[10]; /* bar is a pointer to array 10 of int */[详细]

2023-04-07 19:28 分类：问答
Saving multiple file types into one potobuf-net'ized file in VB.net

I\'m writing a program that saves \'map\' files to the HD so that I can open them later and display the same data.My maps originally saved only one data type, a set of my own custom objects with the p[详细]

2023-04-07 16:59 分类：问答