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@ variables in Ruby on Rails
...silent dup of variable, or making it 'const' so that it can't be modified, etc)? I'm coming from a C/C++ & Java perspective, and the really vague and optional syntax is driving me nuts!
– Dan Devine
Jun 13 '18 at 18:05
...
Node.js: what is ENOSPC error and how to solve?
...d to avoid ENOSPC:
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
For Arch Linux add this line to /etc/sysctl.d/99-sysctl.conf:
fs.inotify.max_user_watches=524288
Then execute:
sysctl --system
This will also persist across reboots.
Technic...
How do I extract the contents of an rpm?
... the example below:
$ rpm2cpio php-5.1.4-1.esp1.x86_64.rpm | cpio -idmv
/etc/httpd/conf.d/php.conf
./etc/php.d
./etc/php.ini
./usr/bin/php
./usr/bin/php-cgi
etc
share
|
improve this an...
Localization and internationalization, what's the difference?
...gs to resource files, enabling the use of date, time and currency formats, etc.
When you wish to sell, for example, a Chinese version of your app, you'd then localize it by hiring a translator to build the zh-CN resource files, and use a new date/time/currency format.
...
What do the numbers in a version typically represent (i.e. v1.9.0.1)?
...0.1:
1: Major revision (new UI, lots of new features, conceptual change, etc.)
9: Minor revision (maybe a change to a search box, 1 feature added, collection of bug fixes)
0: Bug fix release
1: Build number (if used)—that's why you see the .NET framework using something like 2.0.4.2709
You won...
Open file via SSH and Sudo with Emacs
...name shorthand defined in an .ssh/config file. When I type /sudo:hostname:/etc/hosts, I get what you would expect, but when I type /sudo:abbrev:/etc/hosts, I get the message "Host abbrev looks like a remote host, sudo can only use the local host". Is this fixable?
– rogerl
...
Why does sudo change the PATH?
...d binary folders in
the PATH. Having already added my
requirements to /etc/environment I was
surprised when I got errors about
missing commands when running them
under sudo.....
I tried the following to fix this
without sucess:
Using the "sudo -E" option - did not work. My ...
Map vs Object in JavaScript
...n mentioned here (using any object as a key, separation of keys and props, etc.), but FWIW in some cases iteration order of plain object properties is defined by ES2015. See stackoverflow.com/a/32149345.
– JMM
Oct 9 '15 at 19:59
...
How to retrieve absolute path given relative
...e readlink -e in tandem with dirname.
$(dirname $(readlink -e ../../../../etc/passwd))
yields
/etc/
And then you use dirname's sister, basename to just get
the filename
$(basename ../../../../../passwd)
yields
passwd
Put it all together..
F=../../../../../etc/passwd
echo "$(dirname $(r...
What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
...epad++ mainly for quick editing files (Haskell, Python, C#, HTML, JS, CSS, etc.), copying & paste pieces of text and running macros on it, etc.
...