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- Dictionarysubstitute/ˈsʌbstɪtjuːt/
noun
- 1. a person or thing acting or serving in place of another: "soya milk is used as a substitute for dairy milk"
- 2. a sports player nominated as eligible to replace another after a match has begun: "Stewart was the Rovers substitute"
verb
- 1. use or add in place of: "dried rosemary can be substituted for the fresh herb" Similar
- 2. replace (a sports player) with a substitute during a match: "he was substituted eleven minutes from time"
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#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.
Feb 5, 2016 · Define it as a constant variable. It is a good programming practice. const wchar_t *dItemName = L"CellPhone"; In case you need to know the lenght of your string somewhere later, then define it as an array: const wchar_t dItemName[] = L"CellPhone"; Also, why #define is bad: It transforms all places where you use word dItemName to L"CellPhone ...
When I try to execute this statement in Oracle SQL Developer 2.1 a dialog box "Enter Substitution Variable" pops up asking for a replacement value for TOBAGO, update t set country = 'Trinidad and ...
Aug 16, 2018 · #define doesn't require braces - only use them if you need to handle parameters 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.
Apr 15, 2015 · Sometimes, in a C code I borrowed from a linux driver, I want to change some macros into a function that I can use in my environment. But this previous macro can take 3 or 4 arguments. For example...
Oct 1, 2021 · Example of problems with using such a define: if you define a variable with 'ui' in the name it will be replaced as well: let's say you define a function doing stuff on a user interface (often shortened "UI") and you define the function as follows: void uiFoo(); Preprocessor will replace ui and the line will end up beind void "unsigned int"Foo ...
Feb 20, 2023 · I've created a step-function involving 2 lambdas and a choice already, and I'd basically like to create a CloudFormation resource referencing that, or a CloudFormation resource that I can just past...
substitute = returns the parse tree for the (unevaluated) expression expr, substituting any variables bound in env. I don't seem to really understand this language. Would someone be able to simplify the technical aspect of these descriptions so that I could begin to appreciate how these two functions work together to allow us to do something cool like access the variable name of an object?
Jun 5, 2012 · In the Scheme standard it is specified that (define (f x) 42) is short for (define f (lambda (x) 42)) . The natural (non-standard) generalization implies:
Nov 21, 2011 · I need to write the function that can substitute the variables in the pairs of list into the list. for example (subsitute-var '((p #t) (Q #f)) '(P and Q or Q)) I have wrote some code (define
