Search results
- Dictionarywork/wərk/
noun
- 1. activity involving mental or physical effort done in order to achieve a purpose or result: "he was tired after a day's work" Similar Opposite
- 2. a task or tasks to be undertaken; something a person or thing has to do: "they made sure the work was progressing smoothly" Similar
verb
- 1. be engaged in physical or mental activity in order to achieve a result; do work: "she has been working so hard" Similar Opposite
- 2. (of a machine or system) operate or function, especially properly or effectively: "his cell phone doesn't work unless he goes to a high point" Similar
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Oct 25, 2017 · @jwodder - I agree with you. OTOH, there are at least 24 people for which this was useful. Perhaps it was the fact that he covered ítems in the comments of the accepted answer: 1) format of explicit paths, 2) how to get examples of such (with getcwd).... remarkable.
A good way to understand what the preprocessor does to your code is to get hold of the preprocessed output and look at it. This is how to do it for Windows: Create a simple file called test.cpp and put it in a folder, say c:\temp. Mine looks like this: #define dog_suffix( variable_name ) variable_name##dog. int main()
16. The meaning of #ifdef is that the code inside the block will be included in the compilation only if the mentioned preprocessor macro is defined. Similarly, #if means that the block will be included only if the expression evaluates to true (when replacing undefined macros that appears in the expression with 0).
May 1, 2016 · Sure this is possible. The #define is processed by the preprocessor before the compiler does anything. It is a simple text replacement. The preprocessor doesn't even know if the line of code is inside or outside a function, class or whatever. By the way, it is generally considered bad style to define preprocessor macros in C++.
Nov 27, 2015 · The #define directive has two common uses. The first one, is control how the compiler will act. To do this, we also need #undef, #ifdef and #ifndef. (and #endif too...) You can make "compiler logic" this way. A common use is to activate or not a debug portion of the code, like that: #ifdef DEBUG. //debug code here.
Oct 30, 2013 · 14. In C# #define macros, like some of Bernard's examples, are not allowed. The only common use of #define / #if s in C# is for adding optional debug only code. For example: static void Main(string[] args) //this only compiles if in DEBUG. Console.WriteLine("DEBUG") //this only compiles if not in DEBUG.
Sep 25, 2014 · to your surprise, you do need to declare variable for workbook and worksheet in excel 2007 or later version. Just add single line expression. Sub kl () Set ws = ThisWorkbook.Sheets ("name") ws.select End Sub. Remove everything else and enjoy.
Jan 30, 2013 · The preprocessor just replaces the text, exactly as written. So, the macro call SQUARE(2) becomes literally 2*2. In your case, that means the whole expression becomes 16/2*2, which because of C's precedence rules evaluates to (16/2)*2, i.e. 16. Macros should always be enclosed in parenthesis, and have each argument enclosed as well.
Dec 18, 2020 · #define identifier token-sequence The preprocessor runs before the compiler transforms your code for use in the compiler. The order is as follows: Trigraph replacement; Line splicing; Macro definition and expansion; So with the #define you can have character manipulation (macro substitution). Whenever M is seen 4 will be substituted.
Nov 13, 2009 · On some (especially older) platforms (see the comments below) you might need to. #define _USE_MATH_DEFINES. and then include the necessary header file: #include <math.h>. and the value of pi can be accessed via: M_PI. In my math.h (2014) it is defined as: # define M_PI 3.14159265358979323846 /* pi */. but check your math.h for more.
