Use select to avoid deadlock goroutines and write go code
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Use select to avoid deadlock goroutines and write go code
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- Code in C Code in the file IO: /************************************************************* This program prints a degree-to-radian table using a for- loop structure. The results are printed to a file and the the screen. *************************************************************/ #include <stdio.h> #define PI 3.141593 #define FILENAME "tableD2R.dat" int main(void) { /* Declare variables. */ double radians; FILE *fileout; /* Open file. */ fileout = fopen(FILENAME,"w"); if (fileout == NULL) printf("Error opening input file. \n"); else { /* Print radians and degrees in a loop. */ printf("Degrees to Radians \n"); for (int degrees=0; degrees<=360; degrees+=10) { radians = degrees*PI/180; printf("%6i %9.6f \n",degrees,radians); fprintf(fileout,"%6i %9.6f \n",degrees,radians); } /* Exit program. */ }Why must the symbol/name used in C++'s inclusion guard on a library interface file be unique? (Hint: A good technique to use here is proof by contradiction -- assume that the symbol needn't be unique and show what happens when two libraries to be #include'd in the same program share the same symbol.)Differentiate between null andwild pointer and also tell thathow you overcome thesituation of wild pointer that itis pointing any memorylocation.
- Which header file is necessary for C++ OOP? What attribute permits open recursion?In c++ , perform data traversal before and after deletion operation. ( Drop code in words , explain the code and drop the screenshot of output as well )Why does the C++ inclusion guard on a library interface file need a unique symbol or name? Assume that the symbol does not need to be unique and then show what happens when two libraries that are to be #included in the same application both use the same symbol. This is an example of proof by contradiction.
- There are two main problems with pointers: marked sweep and memory leaks reference counters and marked sweep dangling pointers & memory leaks dangling pointers & tombstonesDefine whitespaces.PLEASE FOR FRIDAY 24 :( DMESG Analyzer Implement a system log analyzer and classifier for GNU/Linux. In this particular case, a sample log output file is provided. It's highly recommended to implement in a Linux-based operating system. This challenge involves a proper struct design choice for the logs classification and storing. Requirements The program must be implemented in the C programming language. You program will classify log entries by the <log_type>: prefix Those log entries that don't follow the <log_type>: convention will go to the General classification. Repeated log classes are not allowed. Use the dmesg-analyzer.c template The solution must use at least 3 of the following system calls: open() read() write() lseek() close() Don't forget to handle errors properly Sample Execution ./dmesg-analizer -input dmesg.txt -output dmesg_report.txt Sample Expected output file dmesg_report.txt General: [ 0.000000] Linux version 4.15.0-45-generic (buildd@lgw01-amd64-031)…
- Is there a special reason why the symbol or name used in the C++ inclusion guard on a library interface file has to be special? A helpful tactic in this situation is to use proof by contradiction: assume that the symbol doesn't need to be unique, and then show what happens when two libraries that are both #included in the same application use the same symbol.Take an Infix expression from the user and convert to a Postfix expression using Stacks. The use of pointers is not allowed.Which Direction flag setting causes index registers to move backward through memorywhen executing string primitives?