Object Oriented Programming
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@techslides-blog
Object Oriented Programming
World Time Zones Map
The main etymologies of European currencies (pre-euro)
Belligerents of the Second Congo War, 1998-2003
One photo shows 8 hours of planes taking off at LAX (Michael Kelley)
The Expansion of the UN
Map of USA where nobody lives.
The Most Useful Websites and Web Apps
ctrlq.org/screenshots – for capturing screenshots of web pages on mobile and desktops.
dictation.io – online voice recognition in the browser itself.
zerodollarmovies.com – find full-length movies on YouTube.
screenr.com – record movies of your desktop and send them straight to YouTube.
goo.gl – shorten long URLs and convert URLs into QR codes.
unfurlr.come – find the original URL that’s hiding behind a short URL.
qClock – find the local time of a city using a Google Map.
copypastecharacter.com – copy special characters that aren’t on your keyboard.
postpost.com – a better search engine for twitter.
lovelycharts.com – create flowcharts, network diagrams, sitemaps, etc.
iconfinder.com – the best place to find icons of all sizes.
office.com – download templates, clipart and images for your Office documents.
followupthen.com – the easiest way to setup email reminders.
jotti.org – scan any suspicious file or email attachment for viruses.
wolframalpha.com – gets answers directly without searching – see more wolfram tips.
printwhatyoulike.com – print web pages without the clutter.
joliprint.com – reformats news articles and blog content as a newspaper.
ctrql.org/rss – a search engine for RSS feeds.
e.ggtimer.com – a simple online timer for your daily needs.
coralcdn.org – if a site is down due to heavy traffic, try accessing it through coral CDN.
random.org – pick random numbers, flip coins, and more.
pdfescape.com – lets you can quickly edit PDFs in the browser itself.
tubemogul.com – simultaneously upload videos to YouTube and other video sites.
scr.im – share you email address online without worrying about spam.
spypig.com – now get read receipts for your email.
sizeasy.com – visualize and compare the size of any product.
myfonts.com/WhatTheFont – quickly determine the font name from an image.
google.com/webfonts – a good collection of open source fonts.
regex.info – find data hidden in your photographs – see more EXIF tools.
livestream.com – broadcast events live over the web, including your desktop screen.
iwantmyname.com – helps you search domains across all TLDs.
homestyler.com – design from scratch or re-model your home in 3d.
join.me – share you screen with anyone over the web.
onlineocr.net – recognize text from scanned PDFs – see other OCR tools.
flightstats.com – Track flight status at airports worldwide.
wetransfer.com – for sharing really big files online.
hundredzeros.com – the site lets you download free Kindle books.
polishmywriting.com – check your writing for spelling or grammatical errors.
marker.to – easily highlight the important parts of a web page for sharing.
typewith.me – work on the same document with multiple people.
whichdateworks.com – planning an event? find a date that works for all.
everytimezone.com – a less confusing view of the world time zones.
gtmetrix.com – the perfect tool for measuring your site performance online.
noteflight.com – print music sheets, write your own music online (review).
imo.im – chat with your buddies on Skype, Facebook, Google Talk, etc. from one place.
translate.google.com – translate web pages, PDFs and Office documents.
kleki.com – create paintings and sketches with a wide variety of brushes.
similarsites.com – discover new sites that are similar to what you like already.
wordle.net – quick summarize long pieces of text with tag clouds.
bubbl.us – create mind-maps, brainstorm ideas in the browser.
kuler.adobe.com – get color ideas, also extract colors from photographs.
liveshare.com – share your photos in an album instantly.
lmgtfy.com – when your friends are too lazy to use Google on their own.
midomi.com – when you need to find the name of a song.
bing.com/images – automatically find perfectly-sized wallpapers for mobiles.
faxzero.com – send an online fax for free – see more fax services.
feedmyinbox.com – get RSS feeds as an email newsletter.
ge.tt – qiuckly send a file to someone, they can even preview it before downloading.
pipebytes.com – transfer files of any size without uploading to a third-party server.
tinychat.com – setup a private chat room in micro-seconds.
privnote.com – create text notes that will self-destruct after being read.
boxoh.com – track the status of any shipment on Google Maps – alternative.
chipin.com – when you need to raise funds online for an event or a cause.
downforeveryoneorjustme.com – find if your favorite website is offline or not?
ewhois.com – find the other websites of a person with reverse Analytics lookup.
whoishostingthis.com – find the web host of any website.
google.com/history – found something on Google but can’t remember it now?
aviary.com/myna – an online audio editor that lets record, and remix audio clips online.
disposablewebpage.com – create a temporary web page that self-destruct.
urbandictionary.com – find definitions of slangs and informal words.
seatguru.com – consult this site before choosing a seat for your next flight.
sxc.hu – download stock images absolutely free.
zoom.it – view very high-resolution images in your browser without scrolling.
scribblemaps.com – create custom Google Maps easily.
alertful.com – quickly setup email reminders for important events.
picmonkey.com – Picnik is offline but PicMonkey is an even better image editor.
formspring.me – you can ask or answer personal questions here.
sumopaint.com – an excellent layer-based online image editor.
snopes.com – find if that email offer you received is real or just another scam.
typingweb.com – master touch-typing with these practice sessions.
mailvu.com – send video emails to anyone using your web cam.
timerime.com – create timelines with audio, video and images.
stupeflix.com – make a movie out of your images, audio and video clips.
safeweb.norton.com – check the trust level of any website.
teuxdeux.com – a beautiful to-do app that looks like your paper dairy.
deadurl.com – you’ll need this when your bookmarked web pages are deleted.
minutes.io – quickly capture effective notes during meetings.
youtube.com/leanback – Watch YouTube channels in TV mode.
youtube.com/disco – quickly create a video playlist of your favorite artist.
talltweets.com – Send tweets longer than 140 characters.
pancake.io – create a free and simple website using your Dropbox account.
builtwith.com – find the technology stack of any website.
woorank.com – research a website from the SEO perspective.
mixlr.com – broadcast live audio over the web.
radbox.me – bookmark online videos and watch them later (review).
tagmydoc.com – add QR codes to your documents and presentations (review).
notes.io – the easiest way to write short text notes in the browser.
ctrlq.org/html-mail – send rich-text mails to anyone, anonymously.
fiverr.com – hire people to do little things for $5.
otixo.com – easily manage your online files on Dropbox, Google Docs, etc.
ifttt.com – create a connection between all your online accounts.
Source: http://www.labnol.org/internet/101-useful-websites/18078/
Grain of Scent (2013) Tiny individual droplets of a liquid mixed with spray paint hang in the air for a fraction of a second, forming a scent sculpture.
Linux Commands Cheat Sheet
http://techslides.com/grep-awk-and-sed-in-bash-on-osx/
Atlantic Ocean Floor by Heinrich Berann, 1968
http://mapdesign.icaci.org/2014/03/mapcarte-76365-atlantic-ocean-floor-by-heinrich-berann-1968/
17 Equations that changed the world!
Tags: Database schemas
Recently, on del.icio.us mailinglist, I asked the question “Does anyone know the database schema of del.icio.us?”. I got a few private responses so I wanted to share the knowledge with the world. The Problem: You want to have a database schema where you can tag a bookmark (or a blog post or whatever) with as many tags as you want. Later then, you want to run queries to constrain the bookmarks to a union or intersection of tags. You also want to exclude (say: minus) some tags from the search result.
Apparently there are three different solutions (Attention: If you are building a websites that allows users to tag, be sure to have a look at my performance tests as performance seems to be a problem on larger scaled sites.)
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On top of the largest building in the world!
Percent of People of a Mixed Race
JSON missing in latest PHP version
I have been setting up vanilla forums yesterday on Nginx and DigitalOcean VPS and things just did not work. Intially, I followed some great instructions from a DigitalOcean blog post but the Ajax request that installs the forum failed. It was wierd, Nginx did not have any errors, and vanilla did install but I was still in the setup screen. I thuoght it has something to do with Nginx since Vanilla is meant to run on Apache but these two posts have been really helpful in getting Vanilla running on Nginx.
Things did not work great though, Ajax posts ended up in errors but they did create things in the backend. I need to rememeber to turn on PHP errors and warning on next time but after some painful googling, I finally figured it out. I was installing Vanilla on the latest PHP 5.5 and it turns out that JSON is missin in the latest PHP due to some licensing isssue. Really? WTF? I ran sudo apt-get install php5-json and everything worked perfectly. Damn licensing BS.
Starting and Stopping Go in the Background
Running GoLang programs is simple, you just type go file.go to start the server. But, what if you still want to use your terminal? How do you start and stop a Go server in the background?
First, install the program by running: go install file.go
Now, you can run it by just typing: file
To start it in the background, type: file &
Now, you can continue to use the terminal. To stop the Go server, you need to find the process: ps aux | grep goproxy
Second column will have the process ID (PID) and you can kill it by typing: kill PID