soroushj

#!/usr/bin/env bash

pg_dump \
--data-only \
--inserts \
\
--dbname=DBNAME \
--host=HOST \
--port=PORT \
--username=USERNAME \

soroushj

#!/usr/bin/env bash

pg_dump \
--schema-only \
--no-owner \
--no-privileges \
--no-publications \
--no-subscriptions \
--no-tablespaces \
\

soroushj

Start Font-End Development with React

1. Install Node.js.

2. Install Visual Studio Code.

3. While you're at it, also install the code command.

4. Open the terminal.

soroushj

# ...
if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w \[\033[01;33m\]$(__git_ps1 "(%s)")\n\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w $(__git_ps1 "(%s)")\n\$ '
fi
# ...

soroushj

const addThrottledEventListener = (target, type, listener, delay = 67) => {
  let timeoutId;
  const throttler = event => {
    if (!timeoutId) {
      timeoutId = setTimeout(() => {
        timeoutId = null;
        listener(event);
      }, delay);
    }
  };

soroushj

import cv2 as cv
import numpy as np

def unsharp_mask(image, kernel_size=(5, 5), sigma=1.0, amount=1.0, threshold=0):
    """Return a sharpened version of the image, using an unsharp mask."""
    # For details on unsharp masking, see:
    # https://en.wikipedia.org/wiki/Unsharp_masking
    # https://homepages.inf.ed.ac.uk/rbf/HIPR2/unsharp.htm
    blurred = cv.GaussianBlur(image, kernel_size, sigma)
    sharpened = float(amount + 1) * image - float(amount) * blurred

soroushj

import cv2 as cv
import numpy as np

def y_grayscale(rgb_image):
    """Return a grayscale version of the RGB image, using the Y channel of the YCbCr color space."""
    # For details on the YCbCr color space, see:
    # https://en.wikipedia.org/wiki/YCbCr
    # https://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.601-7-201103-I!!PDF-E.pdf
    return (.299 * rgb_image[:, :, 0] +
            .587 * rgb_image[:, :, 1] +