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![How do I undo 'git reset'?](https://cdn-ak-scissors.b.st-hatena.com/image/square/98d6f053a97a87156775f60757c60865d0f2c47d/height=288;version=1;width=512/https%3A%2F%2Fcdn.sstatic.net%2FSites%2Fstackoverflow%2FImg%2Fapple-touch-icon%402.png%3Fv%3D73d79a89bded)
Ok, I realize this situation is somewhat unusual, but I need to establish a TCP connection (the 3-way handshake) using only raw sockets (in C, in linux) -- i.e. I need to construct the IP headers and TCP headers myself. I'm writing a server (so I have to first respond to the incoming SYN packet), and for whatever reason I can't seem to get it right. Yes, I realize that a SOCK_STREAM will handle th
The recent update to GitHub added something called Projects into the GitHub workflow, and because I don't have any particular experience with project tracking tools such as Jira or Trello (hey, at least I noticed the similarity), could anyone, please, elaborate on the (key) differences between GitHub's Milestones and the new Projects? If I understand correctly, Milestones are a way of organizing i
There are 5 6 NINE (or 63*, depending how you count) different ways to write multi-line strings in YAML. TL;DR Use > most of the time: interior line breaks are stripped out, although you get one at the end: key: > Your long string here. Use | if you want those linebreaks to be preserved as \n (for instance, embedded markdown with paragraphs). key: | ### Heading * Bullet * Points Use >- or |- inste
This code in rails 5 class PagesController < ApplicationController def action render nothing: true end end results in the following deprecation warning DEPRECATION WARNING: :nothing` option is deprecated and will be removed in Rails 5.1. Use `head` method to respond with empty response body. How do I fix this?
Is there a way to have the master process log to STDOUT STDERR instead of to a file? It seems that you can only pass a filepath to the access_log directive: access_log /var/log/nginx/access.log And the same goes for error_log: error_log /var/log/nginx/error.log I understand that this simply may not be a feature of nginx, I'd be interested in a concise solution that uses tail, for example. It is pr
I'm using OpenSSL to connect to mail server. POP3 works fine but I have problems with IMAP. Based on CAPABILITY command server supports PLAIN, NTLM and GSS-API authentication methods. I want to use PLAIN because it's easier than others. I have read it's needed to use <NUL> for it. I have run the next variations, but no success: ? login user pass ? login <nul>user<nul>pass ? <nul>login <nul>user<nu
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