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{
    "editor.fontSize": 14,
    "editor.fontFamily": "Ricty Diminished",
    "editor.renderWhitespace": "boundary",
    "editor.minimap.enabled": true,
    "editor.renderControlCharacters": false,
    "editor.suggestSelection": "first",
    "workbench.startupEditor": "newUntitledFile",
    "workbench.colorTheme": "Slime",
    "workbench.iconTheme": "material-icon-theme",

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ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_prefer_server_ciphers on;
ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH";
ssl_ecdh_curve secp384r1;
ssl_session_cache shared:SSL:60m;
ssl_session_tickets off;
ssl_stapling on;
ssl_stapling_verify on;

#ssl_session_timeout 5m;

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ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem;

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class IndentedLabel: UILabel {
    override func drawText(in rect: CGRect) {
        let insets = UIEdgeInsets(top: 0, left: 16, bottom: 0, right: 0)
      
        // let customRect = UIEdgeInsetsInsetRect(rect, insets) Swift 4.0
      
        // Swift 4.2~
        let customRect = rect.inset(by: insets) 
        super.drawText(in: customRect)
    }

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// Old Swift ~4.0
let imageData = UIImageJPEGRepresentation(image, 0.8)

// New Swift 4.2~
let imageData = image.jpegData(compressionQuality: 0.8)

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import numpy as np
import pandas as pd

# ADX
def adx_di(high, low, close, period_di, period_adx):
  last_close = shift(close, 1, cval=0)
  last_high = shift(high, 1, cval=0)
  last_low = shift(low, 1, cval=0)

  dmp = np.where((high - last_high) < 0, 0, (high - last_high))

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# RCI
ord(seq, idx, itv) =>
  p = seq[idx]
  o = 1
  for i = 0 to itv - 1
    if p < seq[i]
      o := o + 1
  o

d(itv) =>

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#  RCI
def RCI(seq, itv):
  def ord(seq, idx, itv):
    p = seq[idx]
    o = 1
    for i in range(itv - 1):
      if p < seq[i]:
        o += 1
    return o

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import pandas as pd

period = 14

# pandas 0.23.4
df_close.rolling(period).max()
df_close.rolling(period).min()
df_close.rolling(period).mean()
df_close.rolling(period).std()

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server {
    listen 80;
    listen [::]:80;

    server_name example.com;
    return 301 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;