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I believe the question here is why is the max positive value 127 rather than 128. This is because we have to represent the number 0, so inclusively 0-127 is the other 128 possibilities of our range. If we were only allowing positive values, such as an unsigned byte where negative numbers aren't possible, the range would be 0-255, since these are 256 different values (including the 0).
Nov 19, 2009 · 127. As a note, using /bin/bash, I got 126 exit code, which is in accordance with gnu.org documentation about the bash : If a command is not found, the child process created to execute it returns a status of 127. If a command is found but is not executable, the return status is 126. Finally, here is the result of running my script in /bin/bash :
Sep 12, 2011 · For instance, to get to stackoverflow.com you typed in that to the address bar (or used a bookmarklet that pointed here). Either way, you got here through a hostname. localhost provides a similar functionality. This is actually important. localhost can resolve to an IPv6 address, whereas 127.0.0.1 cannot.
Bits Unsigned 2's complement 00000000 0 0 00000001 1 1 00000010 2 2 01111110 126 126 01111111 127 127 10000000 128 −128 10000001 129 −127 10000010 130 −126 11111110 254 −2 11111111 255 −1 for 2's complement system you can draw circle for understanding this system.
Dec 26, 2013 · A process that is listening on 127.0.0.1 for connections will only receive local connections on that socket. "localhost" is normally the hostname for the 127.0.0.1 IP address. It's usually set in /etc/hosts (or the Windows equivalent named "hosts" usually at C:\Windows\System32\Drivers\etc\hosts). You can use it just like any other hostname ...
Dec 31, 2015 · If it's a DNS problem, you could try: ipconfig /flushdns. ipconfig /registerdns. If this doesn't fix it, you could try editing the hosts file located here: C:\Windows\System32\drivers\etc\hosts. And ensure that this line (and no other line referencing localhost) is in there: 127.0.0.1 localhost.
Dec 23, 2022 · 0. Try entering the VSCode command. On linux, you can digital control + shift + P. In the dialog that appears at the top, type: select python interpreter. Select option: Python: select interpreter. After that, select the python interpreter you intend to use with your VSCode and see if it worked.
Nov 26, 2019 · localhost is generally the address 127.0.0.1 but the :8080 part means to connect to port 8080 instead of the default port 80. 127.0.0.1:8080 will be the same as localhost:8080, not plain 127.0.0.1. Port 8080 is a popular port to host things like angular apps, nodeJS scripts, et cetera.
Apr 27, 2017 · 2a) mysql -u root -p -h 127.0.0.1 -P 3306 2b) mysql -u root -p -h > localhost -P 3306 3) If the connection is good you will get a password prompt, see if you can connect with correct password.
Jun 16, 2020 · chmod 777 should be eliminated, permanently, from everyone's debugging toolbox. Making anything both world-writable and executable concurrently is throwing away the UNIX permissions model absent very specific targeted mitigating circumstances; it means that any compromise to the container or system, even to a completely unprivileged user, can reach into any account that touches the filesystem ...
