Programming VIP

Title Description Students should learn to make more good friends. Friend relationship is mutual. If a is a good friend of B, then B is also a good friend of A. A is a good friend of B, B is a good friend of C, but a and C are not necessarily good friends. Now give the relationship between some studen ...

The standard assembler of Linux platform is GAS, which is the background assembly tool relied on by GCC, and is usually included in binutils package,--gstabs tells the assembler to add a symbol table to the generated object code. First, we complete the assembly:as -gstabs -o hello.o hello.sThe target code generated by assembler must be process ...

Phenomenon: the native Android 9.0 SDK, system / core / libushost is the module used by usb module to communicate with the driver. When debugging, you want to output log to logcat, turn on the debugging switch to recompile the code, and report the error of "undefined reference to '" FAILED: out/soong/.intermediates/system/core/libusb ...

Title Description Xiaoma is a good one who loves line trees. Xiaoma's grandfather, Ma ye, was beaten by Xiaoma in the game, so he became angry and decided to give Xiaoma such a data structure problem: Given an array AA of length nn, the value of each entry at the beginning is 00. The following two operations are supported, totaling mm ...

Links to the original text: https://my.oschina.net/u/160145/blog/264399 Some people haven't written HelloWorld for three months; some people don't know what the compiler is; some peopl ...

Common commands of gdb: Linux Learning--gdb Debugging 2. Learning examples of gdb: #include <stdio.h> int add_range(int low, int high) { int i, sum; for (i = low; i <= high; i++) sum = sum + i; return sum; } int main(void) { ...

Introduction to debuggerd Android The system comes with a practical program to diagnose abnormal exit daemon Debuggerd. This process can detect program crash and output process status information when crash to file and serial port for developers to analyze and debug. Debuggerd's data is stored in the / data/tombstone / directory and can hol ...

Preface This article mainly explains several questions: What is interruption and what are the categories of interruption? How can interrupt events be passed step by step from the event source to the kernel layer and the corresponding interrupt handling functions are invoked? How is the interrupt system initialized during kernel startup? ...

http://118.190.20.162/view.page?gpid=T54   Idea: Using the method of union search, all edges are sorted from small to large, and the smallest edges are selected continuously until the first node and the last node are connected (that is, their ancestors are the same). The corresponding number of days (weights) on the output side is required. ...