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def save_model(sess, saver, checkpoint_dir, model_name, step):
    if not os.path.exists(checkpoint_dir):
        os.makedirs(checkpoint_dir)
    saver.save(sess, os.path.join(checkpoint_dir, model_name), global_step=step)
    
def load_model(sess, saver, checkpoint_dir):
    print("[*] Reading checkpoints...")
    ckpt = tf.train.get_checkpoint_state(checkpoint_dir)
    if ckpt and ckpt.model_checkpoint_path:
        ckpt_name = os.path.basename(ckpt.model_checkpoint_path)

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def generate_arrays_from_file(path):
    while 1:
        f = open(path)
        for line in f:
            # create numpy arrays of input data
            # and labels, from each line in the file
            x, y = process_line(line)
            img = load_images(x)
            yield (img, y)
        f.close()

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import pickle
import numpy as np
import pdb

img_width, img_height = 300, 300
box_configs = [
    {'layer_width': 38, 'layer_height': 38, 'num_prior': 3, 'min_size':  30.0,
     'max_size': None, 'aspect_ratios': [1.0, 2.0, 1/2.0]},
    {'layer_width': 19, 'layer_height': 19, 'num_prior': 6, 'min_size':  60.0,
     'max_size': 114.0, 'aspect_ratios': [1.0, 1.0, 2.0, 1/2.0, 3.0, 1/3.0]},

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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python debugger command

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1. setup the user.name and user.email

git config user.name USERNAME

git config user.email USERNAME@example.com

git config --list # list all configurations

~/.gitconfig # path of git config file

2. Set remote url (multiple account)

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Vim Cheat Sheet

File Operation

:o file - open file

:w file - save file as

:close - close current pane

Cursor Movement

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0. Command help

man cd

1. Find string "abc" in subfolders

grep -rin "abc" .

2. Search specified file

locate abc.txt

3. Unzip compressed file

tar -zxvf abc.tar.gz

tar -jxvf abc.tar.bz2

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login in: heroku login
create: heroku create [HelloFlask]
depoly: git push heroku master
open: heroku open
delete: heroku apps:destroy --app [sleepy-hamlet-63859]

email:codingpingjun@gmail.com passwd: !G****

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Open Notebook on server

ipython notebook --no-browser --port=7007

Set Mapping in client

ssh -N -f -L localhost:5005:localhost:7007 username@ip

Open Remote Notebook in client

http://localhost:5005

Kill Local Port

lsof -i:5005[port num] kill -9 55514[pid]