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'''
9 9
[(0, 0, 3), (0, 2, 5), (0, 2, 7)]
3
'''

def google_count_sqr(M):
    """[summary]
    XXX: Calculate cumulative sums by rows and by columns
    Then loop all left-upper corner and possible square len to check ALL-4 side len

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List of list by LeetCode user @deepika135

• DP for beginners by @wh0ami - https://leetcode.com/discuss/general-discussion/662866/dp-for-beginners-problems-patterns-sample-solutions || [LIST - https://leetcode.com/list/x1k8lxi5]
• Graph for beginners by @wh0ami - https://leetcode.com/discuss/general-discussion/655708/graph-for-beginners-problems-pattern-sample-solutions/562734 || [LIST - https://leetcode.com/list/x1wy4de7]
• Sliding window for beginners by @wh0ami - https://leetcode.com/discuss/general-discussion/657507/sliding-window-for-beginners-problems-template-sample-solutions/562721 || [LIST - https://leetcode.com/list/x1lbzfk3]
• DP Patterns by @aatalyk - https://leetcode.com/discuss/general-discussion/458695/dynamic-programming-patterns Leetcode patterns from edu_cative_dot_io by @late_riser - https://leetcode.com/discuss/general-discussion/457546/LeetCode-Problem-Patterns-from-***
• List of questions sorted by common patterns by @Maverick2594 - https://leetcode.com/discuss/career/448285/List-of-q

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1-liner

• Collections of useful short cmd/scripts to do boring jobs.

Shell

• Repace spaces in file names : https://stackoverflow.com/questions/1806868/linux-replacing-spaces-in-the-file-names

for file in *; do mv "$file" `echo $file | tr ' ' '_'` ; done

cmd

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#!/bin/bash

export PW=`cat password`

# Create a self signed key pair root CA certificate.
keytool -genkeypair -v \
  -alias rootca \
  -dname "CN=rootca, OU=Example Org, O=Example Company, L=San Francisco, ST=California, C=US" \
  -keystore rootca.jks \
  -keypass:env PW \

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# https://cloud.google.com/iot/docs/how-tos/credentials/keys
openssl req -x509 -nodes -newkey rsa:2048 -keyout rsa_private.pem \
    -days 1000000 -out rsa_cert.pem -subj "/CN=unused"
    
# This command generate certificate with private key, so I can build jwt in jwt.io.
# Also, I can use the certificate(x5c) as publicKey in JWKS for testing.

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Readme

hacker

• learn deadlock: You are the Scheduler
• Overthewire: We're hackers, and we are good-looking. We are the 1%.

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Making install in monitoring
make[2]: Entering directory '/home/p1/openmpi-3.0.1/test/monitoring'
make[3]: Entering directory '/home/p1/openmpi-3.0.1/test/monitoring'
make[3]: Nothing to be done for 'install-data-am'.
 /bin/mkdir -p '/usr/local/lib'
 /bin/bash ../../libtool   --mode=install /usr/bin/install -c   monitoring_prof.la '/usr/local/lib'
libtool: warning: relinking 'monitoring_prof.la'
libtool: install: (cd /home/p1/openmpi-3.0.1/test/monitoring; /bin/bash "/home/p1/openmpi-3.0.1/libtool"  --silent --tag CC --mode=relink gcc -O3 -DNDEBUG -finline-functions -fno-strict-aliasing -pthread -module -avoid-version -shared -o monitoring_prof.la -rpath /usr/local/lib monitoring_prof.lo ../../ompi/libmpi.la ../../opal/libopen-pal.la -lrt -lm -lutil -lz )
libtool: install: /usr/bin/install -c .libs/monitoring_prof.soT /usr/local/lib/monitoring_prof.so
libtool: install: /usr/bin/install -c .libs/monitoring_prof.lai /usr/local/lib/monitoring_prof.la

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 # Which plugins would you like to load? (plugins can be found in ~/.oh-my-zsh/plugins/*)
 # Custom plugins may be added to ~/.oh-my-zsh/custom/plugins/
 # Example format: plugins=(rails git textmate ruby lighthouse)
 # Add wisely, as too many plugins slow down shell startup.
 plugins=(
   git
   pip
   kubectl completion zsh
   docker
   docker-compose

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# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
#   info -f grub -n 'Simple configuration'

GRUB_DEFAULT=0
GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`

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130 p1@p1-xos:~⟫ sudo nvidia-docker run -ti -p 8888:8888 bvlc/caffe:gpu /bin/bash
root@5842b6adba3a:/workspace# pip install jupyter
Collecting jupyter
  Downloading jupyter-1.0.0-py2.py3-none-any.whl
Collecting ipykernel (from jupyter)
  Downloading ipykernel-4.6.1-py2-none-any.whl (104kB)
    100% |################################| 112kB 4.0MB/s 
Collecting jupyter-console (from jupyter)
  Downloading jupyter_console-5.1.0-py2.py3-none-any.whl
Collecting qtconsole (from jupyter)