| from urllib2 import urlopen | |
| import json | |
| import datetime | |
| BASE_URL = 'http://finance.yahoo.com/connection/currency-converter-cache?date=' | |
| # Returns price of specified currency at specified date in USD | |
| def get_rate(symbol, date = None): | |
| if symbol == 'USD': return 1.0 | |
| if not date: |
There is correspondence between Unsharp Mask parameters names and scales in widely used graphics software.
| Parameter | Adobe Photoshop | ImageMagick | GIMP |
|---|---|---|---|
| Radius | 1x | 1x | 2.5x |
| Amount | 100x | 1x | 1x |
| Threshold | 1x | 1x | 1x |
| #!/bin/bash | |
| # Author: Alexander Rodin <rodin.alexander@gmail.com> | |
| # License: MIT | |
| BUILD_DIR=build | |
| while getopts "hp:s:r:b:o:c:n" opt; do | |
| case $opt in | |
| h) | |
| echo "Usage: $0 [options]" |
| import numpy as np | |
| import tensorflow as tf | |
| class DeepRegressor: | |
| def __init__(self, batch_size = None, max_iter = 2001, random_state=0, verbose=False, opt_step = 0.05, C = 0.0): | |
| self.set_params(dict( | |
| batch_size = batch_size, | |
| max_iter = max_iter, | |
| random_state = random_state, | |
| verbose = verbose, |
| # Ansible role for setting up hardware drivers for Macbook Pro 13" (Early 2015) in Ubuntu 16.04 LTS | |
| # License: GPLv3 | |
| # Usage: | |
| # - clone this gist with git | |
| # - go to the gist directory | |
| # - run command `sudo apt-get install ansible && ansible-playbook ubuntu-mbp-hardware.yml` | |
| - name: Setup Macbook hardware | |
| hosts: localhost | |
| become_user: root |
| # Colorize and format curl output using pygments and json | |
| # The idea is taken from http://benw.me/posts/colourized-pretty-printed-json-with-curl/ | |
| # Dependencies: `npm i -g json && pip install pygments` and w3m text browser from your dist repository. | |
| # Usage: run `source curly.sh`, then use `curly` as plain curl | |
| # It is even possible to even do `alias curl=curly` and use it as a replacement to plain curl. | |
| function curly { | |
| $(which curl) --silent --show-error -i "$@" | ( | |
| IFS=$'\n' | |
| PROCESSOR="cat" |
A shebang/hashbang is the first line of an executable script that starts with #!.
Example for an executable shell script:
#!/bin/sh
And here is what I propose to use instead:
A lot of GitHub projects need to have pretty math formulas in READMEs, wikis or other markdown pages. The desired approach would be to just write inline LaTeX-style formulas like this:
$e^{i \pi} = -1$Unfortunately, GitHub does not support inline formulas. The issue is tracked here.