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Does hosts file exist on the iPhone? How to change it? [closed]
I am developing an application that query to the server. In my Mac, I use the hosts file to change the dns to point to a local server within my local area network.
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How to place the ~/.composer/vendor/bin directory in your PATH?
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Nice! This worked for me as well on Mac OS X El-Captain.
– Askar
Nov 29 '15 at 8:56
1
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How do I change the UUID of a virtual disk?
I am trying to create a new virtual machine with Oracle VirtualBox, using an already-existing hard disk. When I try to select the existing hard disk file, a .vhd file, it displays an error saying the virtual hard disk cannot be used because the UUID already exists.
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Choosing a file in Python with simple Dialog
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this does not work for me (on Mac, Python 3.6.6) The GUI window opens but you cannot close it and you get beachball of death
– Ben Vincent
Aug 20 '18 at 11:25
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Random number from a range in a Bash Script
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i dont have shuf on my mac :(
– Viren
Jul 21 '12 at 9:36
4
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Python: Making a beep noise
I'm trying to get the program to give me a beeping noise. I'm on a windows machine. I've looked at http://docs.python.org/library/winsound.html
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Using awk to remove the Byte-order mark
...d will update files without the need for redirections or weird tricks.
On Mac:
This awk solution in another answer works, but the sed command above does not work. At least on Mac (Sierra) sed documentation does not mention supporting hexadecimal escaping ala \xef.
A similar trick can be achieved ...
psql: FATAL: role “postgres” does not exist
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The key is "I installed the postgres.app for mac." This application sets up the local PostgreSQL installation with a database superuser whose role name is the same as your login (short) name.
When Postgres.app first starts up, it creates the $USER database,
which...
使用App Inventor扩展实现多点触控：Scale Detector · App Inventor 2 中文网
...= new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2023 - document.write(new Date().getFullYear()); 跟着...
How to resolve symbolic links in a shell script
...path
[Admin addition below from comment by halloleo —danorton]
For Mac OS X (through at least 10.11.x), use readlink without the -f option:
readlink $path
Editor's note: This will not resolve symlinks recursively and thus won't report the ultimate target; e.g., given symlink a that points...