Summary 1. Create “templatetags” folder at the same level as models.py, views.py. 2. Create “__init__.py” file in “templatetags” folder. The content will be empty. 3. Create “set_var.py” file in “templatetags” folder. And copy and paste below code from django import template register = template.Library() class SetVarNode(template.Node): def __init__(self, var_name, var_value): self.var_name = var_name self.var_value =…
Author: Chris Lee
money_format_alt
Alternative code snippet for money_format function money_format_alt($amount, $decimal, $symbol = ‘$’, $symbol_right = ”, $symbol_thousands = ‘,’, $symbol_decimal = ‘.’) { if ($amount < 0) return ‘-‘.$symbol . (number_format(abs($amount), $decimal, $symbol_decimal, $symbol_thousands)) . $symbol_right; return $symbol.number_format($amount, $decimal, $symbol_decimal, $symbol_thousands).$symbol_right; }
Magento – Add Open Graph Tags in Meta
Ah…. Big mistake. Magento has good plugin called Creare SEO (http://www.magentocommerce.com/magento-connect/creare-seo.html). It has Twitter Cards and Open Graph. Install above plugin. —— Discard below contents Open template’s header file and add below after any existing meta tag. Change ‘images/logo.png’ to your logo. Other meta tags will be automatically filled. <meta property=”og:title” content=”<?php echo $this->getTitle() ?>”…
Magento Error 403 Forbidden
Experienced Magento error 403, which was painful. Looked up Google and found it can happen in many case. Mostly, the reason it happens is permission issue. If you see the file permissions is not 644 for files and 755 for directories, then you have to doubt permission issue. The solution is running permission change command in SSH;…
EnvironmentError: mysql_config not found
I am using Mac OS X 10.9, MAMP 1.9 (MySQL 5.1.44), Python 2.7.5. Got this error when I change database configuration in settings.py. I felt this issue can make me painful, so I start logging what happened and how I fixed. Do not follow below steps. Just go straightly bottom of article and read last…
Thunderbird Extensions
Expression Search /GMailUI: https://addons.mozilla.org/en-US/thunderbird/addon/gmailui/
Magento Installation – Fresh Start
1. Install Magento, Theme 2. Set up .htaccess 3. Install SMTP Pro Extension: http://www.magentocommerce.com/magento-connect/aschroder-com-smtp-pro-email-free-and-easy-magento-emailing-for-smtp-gmail-or-google-apps-email.html 4. Install Fontis Australia Extension Extension: http://www.magentocommerce.com/magento-connect/fontis-australia.html 5. Tax Configuration – Go to System -> Sales -> Tax Tax Classes Tax Class for Shipping: Shipping Calculation Settings Tax Calculation Method Based On: Total Tax Calculation Based On: Shipping Address Catalog Prices:…
Slow Android Emulator, install Intel x64 Emulator Accelerator (HAXM)
일단 먼저 읽어봐야할것들 Is your Android emulator just too slow? https://www.infinum.co/the-capsized-eight/articles/is-your-android-emulator-just-too-slow Why is the Android emulator so slow? http://stackoverflow.com/questions/1554099/why-is-the-android-emulator-so-slow 8 Tips to Speed Up Your Android ARM Emulator (AVD) http://delphi.org/2013/11/8-tips-to-speed-up-your-android-arm-emulator-avd/ 안드로이드 에뮬레이터가 느릴 때, Intel x64 Emulator Accelerator (HAXM)를 설치하기 Open Android SDK Manager and install Install “Extras” -> “intel x86 Emulator Accelerator (HAXM)” Execute <sdk>/extras/intel/Hardware_Accelerated_Execution_Manager/IntelHAXM.dmg. in the MAC….
VPS – Apache & MySQL Performance Tuning
Apache 1. Open/Create /var/www/vhosts/{hostname}/conf/vhosts.conf 2. Add oradjust below code KeepAlive On MaxKeepAliveRequests 29 KeepAliveTimeout 15 3. Copy to make backup of apache configuration # cp -p /etc/httpd/conf/httpd.conf /etc/httpd/conf/httpd.conf.YYYY-MM-DD.bak 4. Execute below shell script one by one # ramCount=`awk ‘match($0,/vmguar/) {print $4}’ /proc/user_beancounters` # ramBase=-16 && for ((;ramCount>1;ramBase++)); do ramCount=$((ramCount/2)); done # perl -0 -p -i…
.htaccess GZIP Compression & Enable Keep-alive
To make faster webpage loading, use Gzip compress and Enable keep-alive in htaccess <ifModule mod_deflate.c> AddOutputFilterByType DEFLATE text/text text/html text/plain text/xml text/css application/x-javascript application/javascript </ifModule> <ifModule mod_headers.c> Header set Connection keep-alive </ifModule> In Plesk Control Panel, follow below steps Access SSH as root user Go to /var/www/vhosts/{domain}/conf Create or Modify vhosts.conf Add following code…
Test website speed in various server location 웹사이트 속도 체크
Test website speed in various server location 웹사이트 속도 체크 http://www.webpagetest.org/
Duplicate Cleaner 중복된 파일/노래 찾기
Recommend to find duplicate file 중복된 파일/노래 찾기 http://www.digitalvolcano.co.uk/duplicatecleaner.html
Revo Uninstaller
Recommended Uninstaller Program in Windows http://www.revouninstaller.com/
Malwarebytes Cameleon
When the computer is infected by Malware and it prevents to execute or install Anti-virus program, use Malwarebytes Cameleon to scan the computer without interrupting by Malware. Download: http://www.malwarebytes.org/chameleon/ How to Use: 1. Download Malwarebytes Chameleon 2. Extract downloaded zip file 3. Execute svchost.exe with Administrator permission. 4. The program will start installing driver, Anti-Malware and run…
Detect when scroll is reached end of scroll
Using jQuery, determine that user has been scrolled until the end of element. Reference: http://stackoverflow.com/questions/6271237/detecting-when-user-scrolls-to-bottom-of-div-with-jquery $(‘.scrollable’).bind(‘scroll’, function(){ if($(this).scrollTop() + $(this).innerHeight() >= $(this)[0].scrollHeight) { alert(‘end reached’); } });
Chrome Adblock Plus 사용법 (부제: 호주바다 광고없애기)
1. Chrome을 연다 2. Adblock Plus 플러그인을 설치한다. https://chrome.google.com/webstore/detail/adblock-plus/cfhdojbkjhnklbpkdaibdccddilifddb 3. 오른쪽 상단 바에 설치된 Adblock Plus 아이콘을 누르고, Options를 선택한다. 4. “Add your own filters” 탭을 클릭하고 다음을 추가한다. 주의: 주소 맨 뒤에 * (별표)를 빼먹지 말자. http://hojubada.com/banner/* 5. 호주바다 사이트로 들어가 확인해본다. 적용후 적용전 참고: Adblock Plus는 사이트에서 광고가 없어진게 아니라, 클라이언트 단에서…
Codeigniter CRUD Model Code Generator
DNS Prefetching to reduce DNS resolution time
<!DOCTYPE HTML> <html> <head> <meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″ /> <link rel=”dns-prefetch” href=”//www.robgravelle.com/”> … “The recommended best practice is to have your prefetch requests queued to the client OS as early as possible. It is also preferred to have them received in the first packet of the HTML. Therefore, explicit prefetch links should be placed…
Raspberry Pi – Push Button + LED
import RPi.GPIO as GPIO from time import sleep PIN18 = 12 PIN25 = 22 GPIO.setmode(GPIO.BOARD) GPIO.setup(PIN25, GPIO.IN) GPIO.setup(PIN18, GPIO.OUT) LEDON = False while 1: try: if GPIO.input(PIN25): if LEDON == True: print “– PIN25 ON” LEDON = False GPIO.output(PIN18, False) else: print “– PIN25 OFF” LEDON = True GPIO.output(PIN18, True) sleep(1) except KeyboardInterrupt: GPIO.cleanup()…
Magento – rules to fix catalog price rule price
Refer http://www.pacificwebtechnology.com/blog/magento-rules-to-fix-catalog-price-rule-issue/ 1. Make pricerule.php in root folder <?php require_once ‘app/Mage.php’; // if your are not root folder then write the proper path like publichtml/magento/app/Mage.php Mage::app(‘default’); $catalogRule = Mage::getModel(‘catalogrule/rule’); $catalogRule->applyAll(); Mage::app()->removeCache(‘catalog_rules_dirty’); ?> 2. Make cron job 0 0 * * * php /home/~/public_html/pricerule.php
Make Retina display ready for input submit button with image
When use input[type=image] for form submission, the image is stretched when use Retina Display mobile. Since you cannot change ‘src’ attribute using CSS, I had to find another way to accomplish this. Someone said to use ‘content’ in CSS can do, but I failed. And this method is not browser compatible. Anyway, you can make…
.htaccess to force browsers to display a download dialog for non-image files
.htaccess to force browsers to display a download dialog for non-image files Reference: jQuery File Upload # The following directives force the content-type application/octet-stream # and force browsers to display a download dialog for non-image files. # This prevents the execution of script files in the context of the website: ForceType application/octet-stream Header set Content-Disposition…
Media Query Reporter CSS Injection
Ref: http://webdesigntutsplus.s3.amazonaws.com/tuts/221_responsive_widget/Media-Query-Files-DEMO/index.html <link rel=”stylesheet” type=”text/css” media=”screen” href=”http://webdesigntutsplus.s3.amazonaws.com/tuts/221_responsive_widget/Media-Query-Files-DEMO/styles-mediaquery-reporter.css” /> Code Only: /* ====================================== MediaQuery-Reporter Styles ========================================= */ body:after { content: “less than 320px”; font-size: 300%; font-weight: bold; position: fixed; bottom: 60px; width: 100%; text-align: center; background-color: hsla(1,60%,40%,0.7); color: #fff; } @media only screen and (min-width: 320px) { body:after { content: “320 to 480px”; background-color: hsla(90,60%,40%,0.7);…
WordPress JSON API – Support since(from) date/time
WordPress JSON API (http://wordpress.org/plugins/json-api/) is a powerful plugin that allows RESTful API for WordPress. However, I needed specific post query such as “Get posts since 1999/01/01 11:00:00”, which JSON API did not support. After doing hours research to do so, I couldn’t find relavant answers. Since JSON API uses WP_Query in WordPress, I thought I…
[PPStream – Mac] Watching PPS outside of China
To watch PPS outside of China, add below lines to /private/etc/hosts 127.0.0.1 update.111222.cn 127.0.0.1 msg.ppstream.com Reference: http://www.weste.net/2006/10-24/09394857669.html Alternatively, can use Chrome with extension called “Unblock Youku“. This extension will allow to watch Youku, Tudou, PPS Web, Qiy, and so on from outside of China. https://chrome.google.com/webstore/detail/unblock-youku/pdnfnkhpgegpcingjbfihlkjeighnddk