It the first member of your struct has a scalar type, use STRUCTA array[MAX] = {{ 0 }}; If the first member of your struct happens to be another struct object, whose first member has scalar type, then you’ll have to use STRUCTA array[MAX] = {{{ 0 }}}; and so on. Basically, you have to … Read more
A member of an rvalue expression is an rvalue. The standard states in 5.3.5 [expr.ref]: If E2 is declared to have type “reference to T”, then E1.E2 is an lvalue […] – If E2 is a non-static data member, and the type of E1 is “cq1 vq1 X”, and the type of E2 is “cq2 … Read more
»This is how you manually load a .BMP file The bitmap file format: Bitmap file header Bitmap info header Palette data Bitmap data So on with the code part. This is our struct we need to create to hold the bitmap file header. #pragma pack(push, 1) typedef struct tagBITMAPFILEHEADER { WORD bfType; //specifies the file … Read more
Assuming that MyRecorder is a struct, this sets every member to their respective representation of zero (0 for integers, NULL for pointers etc.). Actually this also works on all other datatypes like int, double, pointers, arrays, nested structures, …, everything you can imagine (thanks to pmg for pointing this out!) UPDATE: A quote extracted from … Read more
On strings and memory allocation: A string in C is just a sequence of chars, so you can use char * or a char array wherever you want to use a string data type: typedef struct { int number; char *name; char *address; char *birthdate; char gender; } patient; Then you need to allocate memory … Read more
The struct input_event is, among others, defined in include/linux/input.h. From 5. Event interface in Linux kernel Documentation/input/input.txt (and modified to provide the correct header file names): time is the timestamp, it returns the time at which the event happened. type is for example EV_REL for relative moment, EV_KEY for a keypress or release. More types … Read more
What you are looking for is a compound literal. This was added to the language in C99. Your first case: struct MyStruct q = {x,y,..,z}; is a syntax specific to initialization. Your second case, in the pedantics of the language is not initialization, but assignment. The right hand side of the assignment has to be … Read more
For MySQL database you can compare view and tables (column name and column type) using this query: SET @firstDatabaseName=”[first database name]”; SET @secondDatabaseName=”[second database name]”; SELECT * FROM (SELECT CONCAT(cl.TABLE_NAME, ‘ [‘, cl.COLUMN_NAME, ‘, ‘, cl.COLUMN_TYPE, ‘]’) tableRowType FROM information_schema.columns cl, information_schema.TABLES ss WHERE cl.TABLE_NAME = ss.TABLE_NAME AND cl.TABLE_SCHEMA = @firstDatabaseName AND ss.TABLE_TYPE IN(‘BASE TABLE’, … Read more
The standard Xcode MVC folder structure is as follows. CoreData : Contains DataModel and Entity Classes. Extension : Contain One class(default apple class extensions+project class extensions.) Helper: Contain Third Party classes/Frameworks (eg. SWRevealController) + Bridging classes (eg. Obj C class in Swift based project) Model : Make a singleton class (eg.AppModel – NSArray,NSDictionary, String etc.) … Read more