Printing a file in hexadecimal format of all content on Linux?
How to print a binary file in hexadecimal format of all content?
Use xxd
:
xxd file.txt
or
xxd -p file.txt
How to print a binary file in hexadecimal format of all content?
Use xxd
:
xxd file.txt
or
xxd -p file.txt
Abstract Sometimes, we may want to migrate one process/thread to one specific CPU for some specific purpose. In the Unix/Linux systems, you may choose sched_setaffinity to finish this job. This article will help you to understand how sched_setaffinity (or other APIs like pthread_setaffinity_np in user-space) works internal Linux kernel. Details SYSCALL_DEFINE3(sched_setaffinity, pid_t, pid, unsigned int,…
Setting up Ubuntu 10.10 DomU on top of Fedora Xen Dom0 is introduced in this post. The process of setting up Ubuntu 10.10 DomU is the same as Setting Up Stable Xen DomU with Fedora: Unmodified Fedora 12 on top of Xenified Fedora 12 Dom0 with Xen 4.0 This post only show the difference which…
As a WordPress user, you may have noticed that the default HTML editor lacks some of the features that you need for your content. Fortunately, you can add custom buttons to the WordPress HTML editor to make your content creation experience more efficient and productive. In this post, we will explore how to add custom…
How to get the directory path and file name from a absolute path in Bash on Linux? For example, with “/foo/bar/baz.txt”, it will produce: “/foo/bar/” and “baz.txt”. You also have the basename and dirname commands besides of the basename and dirname C API in Linux: [zma@laptop:~]$ p=”/foo/bar/baz.txt” [zma@laptop:~]$ dirname $p /foo/bar [zma@laptop:~]$ basename $p baz.txt…
How to test whether a given path is a directory or a file in C++? For example, pathtype(“/”) –> “a dir” pathtype(“/tmp/file.txt”) –> “a file” # if there is a file file.txt pathtype(“/tmp/dir.txt”) –> “a dir” # if there is a dir named dir.txt The type of a file/dir can be found out using lstat()…
How to allow pre tag in WordPress comments? You can add a filter hook for pre_comment_approved: <?php function filter_handler( $approved , $commentdata ) { // inspect $commentdata to determine approval, disapproval, or spam status return $approved; } add_filter( ‘pre_comment_approved’ , ‘filter_handler’ , ’99’, 2 ); ?> Reference: https://codex.wordpress.org/Plugin_API/Filter_Reference/pre_comment_approved Read more: How to allow contributors to…