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Caption: when brushing LeetCode on 10 / 4 / 2021, it was blocked by a strange case and failed to AC Involved: [original code / complement] [C library function abs] After the following code is executed, the result is? #include <cstdlib> #include <iostream> using namespace std; int main() { int val = (1 << (sizeof(int ...

1, Foreword In the previous article, we analyzed the unified structure task of processes and threads in the kernel_ Struct, this article will continue to analyze the process, thread creation and derivation process. First, it introduces how to edit a program into an execution file and finally into a pr ...

RHEL6 mistakenly uses RHEL7's CD-ROM source. After installing an RPM package, glibc is upgraded, which leads to system crash.   [root@rhel65 ~]# yum install ftp Loaded plugins: product-id, refresh-packagekit, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager t ...

gcc has been upgraded to 8.1. Try compiling it. As of May 3, 2018, the latest version: https://mirrors.tuna.tsinghua.edu.cn/gnu/gcc/gcc-8.1.0/gcc-8.1.0.tar.gz More versions to find: http://ftp.gnu.org/gnu/gcc/ In addition, you can refer to Tsinghua image, which is not complete, but fast: https://mirrors.tuna.tsinghua.edu.cn/gnu Install basic bu ...

In the last section, I learned the process creation in detail, and learned the difference between fork and vfork through examples. In this section, we will learn how to create threads, which only involve the application layer threads. We will learn how to create kernel threads later. Creation of app ...

  The partition of the original Ubuntu 12.04 server version is as follows. Disk configuration  The glibc upgrade causes the system to restart and cannot be started. After the system is repaired, it is still wrong. The system is then refitted. In the reassembly project, the original ext4 partition is formatted and LVM is unc ...

Article directory What is COW? Copy Elision Realization Possible implementation The implementation of libstdc + + What's the problem? What is the relationship between COW and C++11 How to trigger To be summarized **`std::move 'and copy elision** **deduced return type** **fork()** [These 10 trick ...

If there are errors in the article, please leave a comment and point out, thank you!! Because the company needs to use hongsoft's API in Linux system recently, it needs to upgrade the system according to the configuration required by hongsoft Configuration required by hongsoft: Library dependent GLIB ...

Catalog Server configuration virtual environment, jupyter Virtual environment creation Image source add The server is configured with jupyter and pycharm remote connection Install jupyter Configure jupyter notebook remote access Add conda virtual environment to the Jupyter Notebook Kernel Configure ...

In the exchange voucher system developed by using mysql as DB, with the continuous creation of partition tables, it is found that mysqld has a suspected "memory leak" phenomenon. However, no similar problem (the final reason is due to glibc's memory fragmentation) has been found after the detection by valgrind and other tools. Recent ...