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How can I use functional programming in the real world? [closed]
...ngly, it was an extremely pleasant experience (especially given that I'm a Unix guy). Haskell's FFI is powerful (even supporting, e.g., callbacks into Haskell functions from C or other libraries), and having Haskell's type checking when writing C-level code is like a dream come true.
That last poin...
How to add leading zeros for for-loop in shell? [duplicate]
... which just uses Bash. Apple can't screw this up since there's no generic "unix" version of Bash:
echo {01..05}
Or:
for number in {01..05}; do ...; done
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How do I grep recursively?
...lorniper Noy exactly: * or . is a glob pattern (interpreted by the shell): unix.stackexchange.com/a/64695/7490. '.' will select dotfiles or dot folders as well (like .git/)
– VonC
Aug 4 '16 at 7:22
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How does this site infecting script work?
...ially when you take into consideration that they are engineered to work on unix, mac and windows environments.
My work requires I run many domains, applications and frameworks on many types of servers and systems for clients and myself. Over time I've seen more and more bots crawling these systems...
Converting string to Date and DateTime
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$d = new DateTime('10-16-2003');
$timestamp = $d->getTimestamp(); // Unix timestamp
$formatted_date = $d->format('Y-m-d'); // 2003-10-16
Edit: you can also pass a DateTimeZone to DateTime() constructor to ensure the creation of the date for the desired time zone, not the server default on...
What does the NS prefix mean?
...ormed after he quit Apple in 1985, and NextStep was it's operating system (UNIX based) together with the Obj-C language and runtime. Together with it's libraries and tools, NextStep was later renamed OpenStep (which was also the name on an API that NeXT developed together with Sun), which in turn la...
How can I get the current user's username in Bash?
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Use the standard Unix/Linux/BSD/MacOS command logname to retrieve the logged in user. This ignores the environment as well as sudo, as these are unreliable reporters. It will always print the logged in user's name and then exit. This command ...
Creating your own header file in C
...up your use of "header"? It's contradicted by K&R, the C standard, The UNIX Programming Environment, and Wikipedia, for example.
– Jonathan Wakely
Apr 8 '19 at 8:33
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No route matches [GET] /assets
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NGINX already handles this, config it corretcly
upstream puma {
server unix:///home/deploy/apps/appname/shared/tmp/sockets/appname-puma.sock;
}
server {
listen 80 default_server deferred;
# server_name example.com;
root /home/deploy/apps/appname/current/public;
access_log /home/deploy/...
How can I get Docker Linux container information from within the container itself?
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You can communicate with docker from inside of a container using unix socket via Docker Remote API:
https://docs.docker.com/engine/reference/api/docker_remote_api/
In a container, you can find out a shortedned docker id by examining $HOSTNAME env var.
According to doc, there is a small c...