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Rails has_and_belongs_to_many migration
...: ["foo_bar", "foo", "foo bar"].sort # => ["foo", "foo bar", "foo_bar"] Unix sort comes up the same.
– Shadoath
Aug 18 '16 at 4:51
...
What is the best way to force yourself to master vi? [closed]
...ed at the list in a long time.
A couple years ago I had need to work on a UNIX platform where vi was the only editor available. I bought a little pocket reference book on vi, but hardly used it. I ended up making lists and posting them on the wall as I did the first time I used vi. By the end of...
How can I access my localhost from my Android device?
...our desktop:
type into the command line ipconfig (Windows) or ifconfig (Unix)
on Linux the one-liner ifconfig | grep "inet " | grep -v 127.0.0.1 will yield only the important stuff
there's a bunch of suggestions on how to have a similar output on Windows
there's going to be a bunch of IP's
tr...
How to set time zone of a java.util.Date?
... @Jim, this is the source code for java.util.Date. It contains fastTime as unix epoch as well as BaseCalendar.Date cdate that is used in favor of fastTime, if it is defined. That one contains timezone information. I understand it so that a Date instance can contain timezone information, but it might...
How the single threaded non blocking IO model works in Node.js
...r asynchronous (non-blocking) input/output provided by the supported OSes (Unix, OS X and Windows at least).
Asynchronous IO
In this programming model open/read/write operation on devices and resources (sockets, filesystem, etc.) managed by the file-system don't block the calling thread (as in the...
string sanitizer for filename
...p"
'/\.{2,}/'
), '.', $filename);
// lowercase for windows/unix interoperability http://support.microsoft.com/kb/100625
$filename = mb_strtolower($filename, mb_detect_encoding($filename));
// ".file-name.-" becomes "file-name"
$filename = trim($filename, '.-');
return...
What is the difference between C, C99, ANSI C and GNU C?
...ean.. Added floating point arthematic library functions)
GNU C: GNU is a unix like operating system (www.gnu.org) & somewhere GNU's project needs C programming language based on ANSI C standard. GNU use GCC (GNU Compiler Collection) compiler to compile the code. It has C library function which...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
... Is the server running locally and accepting
connections on Unix domain socket "/var/lib/postgresql/.s.PGSQL.50432"?
This occurs because the default configuration options are applied in the absence of this switch, which results in incorrect connection options being used, hence the s...
Build the full path filename in Python
...ipt like:
# on windows-based systems
python script.py year
# on unix-based systems
./script.py year
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Execute and get the output of a shell command in node.js
In a node.js, I'd like to find a way to obtain the output of a Unix terminal command. Is there any way to do this?
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