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- Dictionaryinvalid/ɪnˈvalɪd/
adjective
- 1. (of an official document or procedure) not legally recognized because it contravenes a regulation or law: "the will was declared invalid and the children were entitled to the estate" Similar Opposite
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May 30, 2012 · There may be a significance to the reader: ~0 emphasizes that it's a value with all bits set, whereas -1 emphasizes that it's a value 1 less than 0. Aside: On a system which is not two's complement, and assuming that SOCKET is an unsigned type, it is generally wrong to write (SOCKET)(~0). The reason is that on such systems, ~0 does not ...
Sep 8, 2014 · Remove the semicolon from your INVALID_VALUE definition. Macros are replaced lexically (character-by-character) with no understanding of the syntax around them. Your macro INVALID_VALUE is set to -999; , so your if line expands the macro to:
Mar 10, 2017 · 34. You can't initialise revS in that manner, you need a very specific thing to the right of the =. From C11 6.7.9 Initialization /14, /16: 14/ An array of character type may be initialized by a character string literal or UTF−8 string literal, optionally enclosed in braces. Successive bytes of the string literal (including the terminating ...
Dec 18, 2022 · 2. INVALID_HANDLE_VALUE is only useful when comparing the return value of a Win32 API call, or when passing it into a Win32 API call. There aren't any Win32 API calls that execute under a constexpr context. – IInspectable. Dec 18, 2022 at 15:06. @IInspectable comparing on runtime, but the constant to compare expected to be set on compile-time.
Jun 19, 2020 · 2. Include a space between #define and its operand. To implement include guards properly, you need a corresponding #ifndef before the #define. As wildplasser said, you can't use macro names beginning with underscore (s), so remove them, or replace them with some other prefix of your own.
Jan 8, 2015 · 1. Just started programming C++, and stuck on the code below. On Ubuntu terminal I try to compile with. g++ -o circleArea circleArea.cpp. I get the error: circleArea.cpp: In function ‘int main()’: circleArea.cpp:14:14: error: invalid type argument of unary ‘*’ (have ‘double’) area = PI * r * r; ^.
Nov 26, 2015 · DEFINE isn't a SQL*Plus, SQL, or PL/SQL keyword. It exists in T-SQL. I'm not completely sure that I understand what you're trying to accomplish-- why are you defining p_num1 and p_num2 when you already have b1 and b2 ?
Aug 21, 2014 · Alternatively, you can do this: Navigate to View > TOAD Options > And go to "execute/compile" node/item and uncheck the Prompt for substitution variables option. Or, for editor level change, Right click in the editor and uncheck Prompt for substitution variables. SET DEFINE OFF works for scripts.
Oct 10, 2009 · 12. All valid characters that can be used in a URI (a URL is a type of URI) are defined in RFC 3986. All other characters can be used in a URL provided that they are "URL Encoded" first. This involves changing the invalid character for specific "codes" (usually in the form of the percent symbol (%) followed by a hexadecimal number).
Jan 16, 2014 · So I'm getting Invalid Syntax where it says def before the add_entry function. I have no idea why.
