A header file is a file which contains C function declarations and macro definition. In this paper we intend to discuss header files, purpose, how to create our own header file. First we will introduce the header files in short and later we will draw focus on introduction, creation and ...
Here the first doubt arose: how to include a header which is not in the same directory nor in a standard one? After searching about it I concluded that the best way is to pass the option -I../include to the compiler.I had three source files: main.cpp, GraphData.cpp and RandomGraph...
I have been digging into some Actor modelling in Akka and I came across the usage of the keywordimplicitin Scala. Scala, a hybrid functional and object-oriented programming language, is known for its concise syntax and powerful features. Among its arsenal of features, theimplicitkeyword stands o...
For starters, we should define a header file for the DLLs to include: This defines the functions and classes that we want them to export. I've decided to show two things here: How to export a polymorphic class and how to export a function. Once you get the idea, though, most things...
In main.c you define MAIN (or maybe better MAIN_C,) before #include "main.h". In all other files MAIN is not defined. All variables are then are defined and declared in one place, only in main.h like this: EXTERN int intvar; EXTERN char cvar; The problem here is what to do ...
Implementing REST API communication correctly ensures the most performance benefits. In this article, we will describe each content-type header supported by our service.
Set the X-Content-Type-Options header to stop the browser from interpreting files as anything other than what’s been declared as the content type in the HTTP headers. It’s got many configuration options and lots of potential parameters, but the one that you will find being used most often...
A beginner SQLite tutorial series on using SQLite for iOS. This part focuses on making an app that uses a SQLite database.
Path for the zDNN header files: /usr/include/ The XL C/C++ compiler and the z/OS Language Environment provide various environment variables to control processing, in addition to the variables provided by the zDNN library itself. Use the environment variable _CEE_RUNOPTS to specify invocation...
Description information header of device n. The value of n is an integer that ranges from 1 to 100. This field is mandatory. NOTE: The value n must be set when you make the index file. OPTION Whether USB-based deployment is required for the device. The value OK indicates that USB-ba...