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
The problem is like this: I would like to send a GET request using curl and the content has spaces, such as curl “http://example.com/send?msg=hello world” The space and the “world” will be left away if this command is executed directory on Linux. How to encode spaces in curl request URL? You can use the –date-urlencode…
Querying transaction content out from a blockchain network is a common practice used by common scenarios like exploring the blockchain history or verifying the blockchain transaction content from a known ID. In Hyperledger Fabric, the transaction can be queried using a special system chaincode QSCC (Query System Chaincode) which is for ledger and other Fabric-related…
NUMA Architecture: Non-Uniform Memory Access architecture. SMP: Symmetric Multiprocessing architecture. In a Symmetric Multiprocessor, the architectural “distance” to any memory location is the same for all processors, i.e. “symmetric”. In a NonUniform Memory Access machine, each processor is “closer” to some memory locations than others; i.e. memory is partitioned among them Asymmetrically. From my understanding,…
Which tools to mange OCaml packages in my system (Linux)? I use OPAM to manage OCaml packages: http://opam.ocamlpro.com/index.html To install it: $ wget https://raw.githubusercontent.com/ocaml/opam/master/shell/opam_installer.sh $ sh ./opam_installer.sh /usr/local/bin More options are available here. To make opam settings take effect, append this to ~/.bashrc: eval `opam config env` Some frequent usages: opam list # List all…
On Linux, a default editor is used for text editing such as crontab -e or git commit. How to change it to the editor of my own choice? The default editor is indicated by the EDITOR environment variable. You can set this environment variable to set the default editor. For example, set it to emacs…
Excerpt in homepage, category, tag and author pages for WordPress theme Twenty Thriteen. Also add the “read more” link after the excerpt. The patch: diff –git a/wp-content/themes/twentythirteen/content.php b/wp-content/themes/twentythirteen/content.php index 4f61b22..53b4686 100644 — a/wp-content/themes/twentythirteen/content.php +++ b/wp-content/themes/twentythirteen/content.php @@ -30,7 +30,7 @@ </div><!– .entry-meta –> </header><!– .entry-header –> – <?php if ( is_search() ) : // Only display…