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  1. Dictionary
    sub·sti·tute
    /ˈsəbstəˌto͞ot/

    noun

    • 1. a person or thing acting or serving in place of another: "soy milk is used as a substitute for dairy milk"

    verb

    • 1. use or add in place of: "dried rosemary can be substituted for the fresh herb" Similar exchangeuse as a replacementswitchreplace with

    More definitions, origin and scrabble points

  2. Feb 5, 2016 · 2. #define is a preprocessor instruction that defines a macro. In your case macro dItemName with value L"CellPhone". Macros are bad mostly because they are processed before the actual code is. This means that they aren't subjected to scopes and to the rules of C++ syntax.

  3. 5. #define isn't inherently bad, it's just easy to abuse. For something like a version string it works fine, although a const char* would be better, but many programmers use it for much more than that. Using #define as a typedef for example is silly when, in most cases, a typedef would be better. So there's nothing wrong with #define statements ...

  4. Feb 19, 2016 · The first one, resolving #define is the preprocessor and a simple text-replacement. It doesn't care what you replace and is not aware of any keywords. The second part is the compilation itself, where keywords are actually interpreted and given some "meaning". In your example, the line. cout << "start " << endl << " end"; becomes.

  5. Call this before the query: set define off; Alternatively, hacky: update t set country = 'Trinidad and Tobago' where country = 'trinidad &' || ' tobago'; From Tuning SQL*Plus: SET DEFINE OFF disables the parsing of commands to replace substitution variables with their values. edited Apr 11, 2012 at 9:25. Álvaro González.

  6. Feb 26, 2012 · 28. The replace () method in python 3 is used simply by: a = "This is the island of istanbul". print (a.replace("is" , "was" , 3)) #3 is the maximum replacement that can be done in the string#. >>> Thwas was the wasland of istanbul.

  7. Oct 19, 2017 · 43. In the official docs, it says: substitute returns the parse tree for the (unevaluated) expression expr, substituting any variables bound in env. quote simply returns its argument. The argument is not evaluated and can be any R expression. But when I try:

  8. Aug 16, 2018 · The syntax doesn't include a semicolon: #define test printf. Calling a function like printf() like this (somewhat obscured) can be risky, especially if the caller doesn't expect that their string is used as a format string. Prefer #define test(msg) printf("%s", msg) After a #define test ..., the pre-processor will dumbly replace all instances ...

  9. Jun 5, 2012 · soegaard's answer is correct - this is the traditional expansion. However, drscheme is smart! The following code I've found to be equivalent in running time:

  10. Jan 21, 2014 · I want to do the following subtitutions in vim: I have a string (with spaces eventually) and a number at the end of the line. I want to create a C #define with that string in uppercase + a prefix +

  11. Apr 15, 2015 · 5. You can do it with a variadic macro, which takes a variable number of arguments: #define SMSC_TRACE(a,b,...) printf(__VA_ARGS__) If you want this macro to execute multiple statements, then you need a do/while(0). For example: #define SMSC_TRACE(a,b,...) do \. { \.