Generate 2048 CSR using openssl
openssl req -new -nodes -subj "/C=US/ST=Florida/L=Tampa/O=My Org Pvt Limited/OU=Some Dept/CN=abc.xyz.com" -keyout private.txt -out certreq.txt -newkey rsa:2048
Minify/compress JavaScript, CSS compressor
Quick and easy way to minify/compress JavaScript and CSS
- JS Compress and Obfuscate : http://www.minifyjs.com/javascript-obfuscator/
- JS Compress only: http://www.minifyjs.com/javascript-compressor/
- CSS compressor : http://www.minifycss.com/css-compressor/
UNIX: Bash Keyboard shortcuts
Very useful neat shortcuts for traversing in Bash command line :)
Command Editing Shortcuts
- Ctrl + a – go to the start of the command line
- Ctrl + e – go to the end of the command line
- Ctrl + k – delete from cursor to the end of the command line
- Ctrl + u – delete from cursor to the start of the command line
- Ctrl + w – delete from cursor to start of word (i.e. delete backwards one word)
- Ctrl + y – paste word or text that was cut using one of the deletion shortcuts (such as the one above) after the cursor
- Ctrl + xx – move between start of command line and current cursor position (and back again)
- Alt + b – move backward one word (or go to start of word the cursor is currently on)
- Alt + f – move forward one word (or go to end of word the cursor is currently on)
- Alt + d – delete to end of word starting at cursor (whole word if cursor is at the beginning of word)
- Alt + c – capitalize to end of word starting at cursor (whole word if cursor is at the beginning of word)
- Alt + u – make uppercase from cursor to end of word
- Alt + l – make lowercase from cursor to end of word
- Alt + t – swap current word with previous
- Ctrl + f – move forward one character
- Ctrl + b – move backward one character
- Ctrl + d – delete character under the cursor
- Ctrl + h – delete character before the cursor
- Ctrl + t – swap character under cursor with the previous one
Command Recall Shortcuts
- Ctrl + r – search the history backwards
- Ctrl + g – escape from history searching mode
- Ctrl + p – previous command in history (i.e. walk back through the command history)
- Ctrl + n – next command in history (i.e. walk forward through the command history)
- Alt + . – use the last word of the previous command
Command Control Shortcuts
- Ctrl + l – clear the screen
- Ctrl + s – stops the output to the screen (for long running verbose command)
- Ctrl + q – allow output to the screen (if previously stopped using command above)
- Ctrl + c – terminate the command
- Ctrl + z – suspend/stop the command
Bash Bang (!) Commands
- !! - run last command
- !blah – run the most recent command that starts with ‘blah’ (e.g. !ls)
- !blah:p – print out the command that !blah would run (also adds it as the latest command in the command history)
- !$ – the last word of the previous command (same as Alt + .)
- !$:p – print out the word that !$ would substitute
- !* – the previous command except for the last word (e.g. if you type ‘find some_file.txt /‘, then !* would give you ‘find some_file.txt‘)
- !*:p – print out what !* would substitute
jQuery: Select a radio button by name and value
Using jQuery, if you want to select a specific radio button based on name and value
$(':radio[name="radioBtnName"][value="radioValue"]');Example:
<div id="radioGrps">
<div id="setOne">
<input type="radio" name="orange" value="5" />
<input type="radio" name="orange" value="10" checked />
<input type="radio" name="orange" value="20" />
</div>
<div id="setTwo">
<input type="radio" name="peach" value="10" />
<input type="radio" name="peach" value="15" />
<input type="radio" name="peach" value="20" checked />
</div>
</div>
In the above example,
if you want to select radio button in div#setOne with value 10, then
$('#setOne :radio[name="orange"][value="10"]');
or
$(':radio[name="orange"][value="10"]');
//to make it checked
$(':radio[name="orange"][value="10"]').attr('checked', 'checked');
Eclipse color theme
Download eclipse color theme plugin for easy installation of several color themes for your Eclipse IDE.
If you are on Eclipse 3.5 (Galileo), go to Help→Install New Software..., press Add Site and enterEclipse Color Theme as the name and http://eclipse-color-theme.github.com/update as the URL. Then select the new entry from the select box labeled Work with, mark Eclipse Color Theme for installation and proceed.
After the installation, go to Window→Preferences→General→Appereance→Color Theme to change the color theme.
If you are on Eclipse 3.6 (Helios), the easiest way to install the plugin is from the Eclipse Marketplace. Go to Help→Eclipse Marketplace..., then search for Eclipse Color Theme and install it.
If you are on Eclipse 3.5 (Galileo), go to Help→Install New Software..., press Add Site and enterEclipse Color Theme as the name and http://eclipse-color-theme.github.com/update as the URL. Then select the new entry from the select box labeled Work with, mark Eclipse Color Theme for installation and proceed.
After the installation, go to Window→Preferences→General→Appereance→Color Theme to change the color theme.
Mac: Take a screenshot in different ways
In Mac OS X, there are 3 ways to take a screenshot.
1. Cmd+Shift+3 : Capture the entire screen.
2. Cmd+Shift+4 : Capture a selected area of your screen. The cursor will turn into a crosshair and you can drag around the area you want to capture.
3. Cmd+Shift+4+Spacebar : Capture a specific window or Dock or menu bar. The crosshair will turn into a little camera and highlight the window or objects you can capture. Left Click to capture.
You can use Expose shortcut to switch between windows. After you switch press alt or cmd key to get the little camera. Left Click to capture.
1. Cmd+Shift+3 : Capture the entire screen.
2. Cmd+Shift+4 : Capture a selected area of your screen. The cursor will turn into a crosshair and you can drag around the area you want to capture.
3. Cmd+Shift+4+Spacebar : Capture a specific window or Dock or menu bar. The crosshair will turn into a little camera and highlight the window or objects you can capture. Left Click to capture.
You can use Expose shortcut to switch between windows. After you switch press alt or cmd key to get the little camera. Left Click to capture.
jQuery: get specific list item by id
Consider the following html snippet
You can get a specific list item using jQuery
<div id="fruits"> <ul> <li id="5">Apples</li> <li id="29">Oranges</li> <li id="32">Peaches</li> <li id="47">Bananas</li> <li id="30">Grapes</li> </ul> </div>
You can get a specific list item using jQuery
$jq("#fruits ul li[id=32]");
Mac: Mac OS X 10.6.8 Printing Issue, and a Fix
With the recent update to Mac OS X 10.6.8, the printing does not work.
After updating to 10.6.8, you might be Getting “paused printer” message
Download Fix Here
For More details, View This Post
After updating to 10.6.8, you might be Getting “paused printer” message
Download Fix Here
For More details, View This Post
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