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c# - How do you use #define? - Stack Overflow
Aug 19, 2008 · #define is used to define compile-time constants that you can use with #if to include or exclude bits of code. #define USEFOREACH #if USEFOREACH foreach(var item in …
What is the purpose of the #define directive in C++?
Nov 27, 2015 · In the normal C or C++ build process the first thing that happens is that the PreProcessor runs, the preprocessor looks though the source files for preprocessor directives …
What's the difference in practice between inline and #define?
Aug 24, 2010 · Macros (created with #define) are always replaced as written, and can have double-evaluation problems. inline on the other hand, is purely advisory - the compiler is free …
Angular: conditional class with *ngClass - Stack Overflow
Feb 8, 2016 · From the angular documentation: "The asterisk is "syntactic sugar" for something a bit more complicated. Internally, Angular translates the *ngIf attribute into a <ng-template> …
What's the canonical way to check for type in Python?
@Kevin In retrospect, that was an unnecessary digression, but to get into it more, Python's type hints are turned into runtime data and mypy is a Python module that uses importlib to access …
c++ - Why use #define instead of a variable - Stack Overflow
May 14, 2011 · Most compilers will allow you to define a macro from the command line (e.g. g++ -DDEBUG something.cpp), but you can also just put a define in your code like so: #define …
c++ - What does ## in a #define mean? - Stack Overflow
In other words, when the compiler starts building your code, no #define statements or anything like that is left. A good way to understand what the preprocessor does to your code is to get …
bash - Writing outputs to log file and console - Stack Overflow
Aug 27, 2013 · In Unix shell, I have a env file (env file defines the parameters required for running the user script like log file name and path, redirect outputs and errors to log file, database …
How can I generate random alphanumeric strings? - Stack Overflow
Aug 28, 2009 · Just define it as a constant or a parameter. You can use charSet.Length instead of 62. 2) A static Random without locking means this code is not threadsafe. 3) reducing 0-255 …
Defining and using a variable in batch file - Stack Overflow
The spaces are significant. You created a variable named 'location ' with a value of ' "bob"'.Note - enclosing single quotes were added to show location of space.
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