soardex

import scala.collection.JavaConverters._

object Solution {
  def solution(a: Array[Int]): Int = {
    var sum = 0
    for (i <- 0 to (a.length - 1)) {
      sum += a(i)
    }
    
    var sum_left = 0

soardex

git diff --no-prefix master > diff.patch
git checkout master patch -p0 < diff.patch

soardex

rpm2cpio filename.rpm | cpio -idmv

soardex

sudo yum install rpm-build
mkdir -p ~/rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS,TMP}

touch ~/.rpmmacros
~~~
%packager ffimusic
%_topdir /home/ffimusic/rpmbuild
%_tmppath /home/ffimusic/rpmbuild/TMP
~~~

soardex

It is possible to go back to a more classic iptables setup. First, stop and mask the firewalld service:

systemctl stop firewalld
systemctl mask firewalld
Then, install the iptables-services package:

yum install iptables-services
Enable the service at boot-time:

systemctl enable iptables

soardex

# working with args
:args - list
:n - next
:prev - previous
:n [filename] - open new file

# working with tabs
:tabe [filename] - open new tab
:tabn - next
:tabp - previous

soardex

# Saving Sessions
:mksession ~/cs.vim

# Loading Sessions
:source ~/cs.vim

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# set autoread so there are no interactive Load File option
:set ar

# save the command using tee and discard tee echo
:w !sudo tee % > /dev/null

soardex

FILENAME: References the current input file.
FNR: References the number of the current record relative to the current input file. For instance, if you have two input files, this would tell you the record number of each file instead of as a total.
FS: The current field separator used to denote each field in a record. By default, this is set to whitespace.
NF: The number of fields in the current record.
NR: The number of the current record.
OFS: The field separator for the outputted data. By default, this is set to whitespace.
ORS: The record separator for the outputted data. By default, this is a newline character.
RS: The record separator used to distinguish separate records in the input file. By default, this is a newline character.

soardex

# build docker config
docker build -t [name:tag] .

# inspecting containers
docker inspect [container-id]

# create an image from a container
docker commit -a [author] -m [message] [container-id] [name:tag]

# compare docker container with image