eagafonov

Run daemon with TLS enabled

/usr/bin/dockerd -H tcp://127.0.0.1:2736 \
    --tls --tlsverify  \
    --tlscacert /path/to/ca.pem \
    --tlscert /path/to/server.pem \
    --tlskey path/to/server_decrypted.key

Client settings

eagafonov

https://dbader.org/blog/python-mystery-dict-expression

class One:
    def __eq__(self, other):
        print("[One] Comparing with {} ({})".format(other, type(other)))
        if type(other) is int and other == 1:
            return True
        return False

eagafonov

How to use GitLab and keep calm

Personal (and borrowd) best practices how to use GitLab Web-UI with high efficency. The author uses GitLab Community Edition

Long story short

• issue boards
• CI Linter
• bookmarks to most-user projects and stuff

eagafonov

Numbers everyone should know

           0.5 ns - CPU L1 dCACHE reference
           1   ns - speed-of-light (a photon) travel a 1 ft (30.5cm) distance
           5   ns - CPU L1 iCACHE Branch mispredict
           7   ns - CPU L2  CACHE reference
          71   ns - CPU cross-QPI/NUMA best  case on XEON E5-46*
         100   ns - MUTEX lock/unlock
         100   ns - own DDR MEMORY reference
         135   ns - CPU cross-QPI/NUMA best  case on XEON E7-*

eagafonov

class GetAttrNotImplementedMixin:
    methods_to_be_implemented = {'foo', 'bar'}  # add more method names

    def __getattr__(self, name):
        def _method_not_implemented(*args, **kwargs):
            raise NotImplementedError("Method %s is not implemented in class %s" % (name, self.__class__.__name__))

        if name in self.methods_to_be_implemented:
            return _method_not_implemented

eagafonov

import logging

# default config
logging.basicConfig()

# LogMessage attributes for FORMAT
# https://docs.python.org/3.5/library/logging.html#logrecord-attributes

FORMAT = '%(asctime)-15s %(message)s'
logging.basicConfig(format=FORMAT)

eagafonov

How to recover deleted stash commits

TL;DR

git fsck --unreachable | grep commit | cut -d" " -f3 | xargs git log --merges --no-walk --grep=WIP

Original SO post.

eagafonov

# class for autopsy

In [1]: class A:
   ...:     def foo():
   ...:         pass


# initial investigations

In [16]: str(A.foo)

eagafonov

Installing Debian GNU/Linux from a Unix/Linux System

My packages

apt install -V krusader \
  sudo \
  kde-plasma-desktop\
  network-manager\

network-manager-openvpn\

eagafonov

.PHONY: target1 # Target 1 help text                                                                                     
target1: target2 target3                                                                                                 
    @echo "Target 1"                                                                                                     
                                                                                                                         
.PHONY: target2 # Target 2 help text                                                                                     
target2:                                                                                                                 
    @echo "Target 2"                                                                                                     
                                                                                                                         
.PHONY: target3