echo "bla bla word word1 = string1 string2" | sed -e 's/.* \([^ ]*\)=.*/\1/g' Some basic regexp hints: the first /…/ is what your string should match s means substitute/replace the last /…/ is the replacement g means global, replace all occurrences a . will…
A very philosophical question, this one. I see modern those languages that were not there a couple/few years ago. Definitely java is seen as the older, more enterprisey technology. I don’t think many startups in silicon valley use it, they use more php (facebook), python,…
I came across to a great HTML Presentation Framework: reveal.js, which is a framework used to create stunning presentations using either a visual editor or simple text. https://github.com/hakimel/reveal.js/ Its create flexibility allows me to create my slides using Markdown https://help.github.com/articles/markdown-basics and convert everything by using…
Fields are declared outside of a class’s methods and are usually found right below the class declaration. Fields can be accessed by all methods of a class. They can also be accessed from other classes (unless they are private) using the dot operator. If a…
The below command will resize the image to 50GB VBoxManage clonehd "source.vmdk" "cloned.vdi" –format vdi VBoxManage modifyhd "cloned.vdi" –resize 51200 VBoxManage clonehd "cloned.vdi" "resized.vmdk" –format vmdk
i. Open “Instant Upload” under your Google+ Photos ii. Hit the End key. Your browser window will scroll down to the bottom of what’s currently displayed. Since Google+ will load up more photos, hit End again. Repeat as necessary. iii. Click and drag from below…
The corresponding mysql command “show tables” in oracle is: SELECT table_name FROM user_tables
SpinRite is a computer software program for scanning magnetic data storage devices such as hard disks, recovering data from them and refreshing their surfaces. When the program encounters a sector with errors that cannot be corrected by the disk drive’s error-correcting code, it tries to…
Varnish is my faviourite cache server, here I list bits and pieces on that I’ve picked up when working with this very fast and sparsely documented cache server. Find the least cached URIs To improve your cache hit ratio, the best thing to do is…
Open Gmail in Chrome. Press Ctrl+Shift+J (Windows) or Cmd+Opt+J (Mac) to open Chrome’s built-in JavaScript console. Paste the following into the console and press Enter: navigator.registerProtocolHandler("mailto", "https://mail.google.com/mail/?extsrc=mailto&url=%s", "Gmail"); Chrome will prompt you, asking if you’d like to “Allow Gmail (mail.google.com) to open all email links?” Click…