How to create Ruby hash in just one line ?
When we have to create a hash in just one line we can use this particular ruby code:
@users = User.find :all
user_hash = Hash[@users.map {|x| [x.id, x.name]}]
Here we created a hash in just one line with Id as the key of hash a...
How to enable slow query logs
For this we need to edit my.cnf file (This should be in /etc directory)
we need to enter following lines :-
log-slow-queries=/logs/mysql/slowQueries.log
long_query_time=30
This time is in seconds , so if any query wi...
How to use regular expression in mysql query?
By using REGEXP function of mysql.Below is the example via a MySQL Query
select empId,empName from tbl_employee where empName REGEXP [1-4]$;
This will select the data of all employees whose name ends with either 1 or 2 or 3 or 4
How to upload file in PHP
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<form action="upload.ph...
Web Based Mobile Testing
Website: http://www.keynotedeviceanywhere.com/
Keynote's DeviceAnywhere platform provides an end-to-end solution for testing and monitoring of mobile apps and websites to ensure the quality, performance and uptime of your products and service...
Adding tooltip on a div using built-in ellipsis
Here is a way of adding tooltip on a div using built-in ellipsis
$('.mydiv')
.bind('mouseenter', function () {
var $this = $(this);
if (this.offsetWidth < this.scrollWidth && !$this.attr('title'))
$this.at...
Migration in SQL Server
Migeration in SQl Server :
There are several options if one wishes to migrate a database from a SQL Server 2005 to SQL 2008 Server. First of all transferring a database from any version of SQL Server 2000 and above to 2008 version. This Wizar...
How add a toggle button for active inactive in Yii CGridView
How add a toggle button for active inactive in Yii CGridView
<?php $this->widget('zii.widgets.grid.CGridView', array(
'id'=>'subject-grid',
'dataProvider'=>$model->search(),
'columns'=>array(
'id',
...
A Very Simple & Easy Javascript Form Validation
Here is a simple way to validate user name and password in an HTML form using java script.
<html>
<head>
<title>
Login page
</title>
</head>
<body>
<h1 style="font-family:Arial;text-align="center"...
Mirroring in SQL Server
Data mirroring refers to the real-time operation of copying data, as an exact copy, from one location to a local or remote storage medium. In computing, a mirror is an exact copy of a dataset. Most commonly, data mirroring is used when multiple e...
Snapshot of any website from its URL
Get the snapshot of any website in php without writting a script
<html>
<head>
<!--[if IE]>
<style>
#frame {
zoom: 0.2;
}
</style>
<![endif]-->
</head>
<body>
<div class="test...
Getting the Code of any site using php script
Open the code view of any site :
<?php
$lines = file('http://www.whoznext.com/'); //Site url
foreach ($lines as $line_num => $line) { // iterate through each line
echo "Line #{$line_num} : " . htmlspecialchars($line...
change time format from 24 hours to 12 hours
Following is the function to change time format from 24 hours to 12 hours, please take a look at input and output examples before you use it
/*
* Return: 24 hours format to 12 hours format
* Input example: 1400, 730, 1205, 0
* Ouput e...
New features introduced in iOS7
Apple has added many features to its iOS7 operating system. Few are mentioned below:-
Story Board in iOS7 app will have to ask user's permission to access the mic.
The user can use [NSArray firstObject]; just like lastObject in previous...
Hiding status bar in iOS 7
One of the changes in iOS 7 API's is hiding the status bar. Prior to iOS 7 we could hide status bar by using :
[[UIApplication sharedApplication] setStatusBarHidden:YES];
But now there is a slight change. We need to add a row "View contr...
How to find out the Coordinates of a page using jquery
Following steps are required to find out the coordinates on a page:
Step1: Download the file from the location
http://code.jquery.com/jquery-1.6.3.min.js
Step2: Write the script under the script tag of the aspx page
...
Appearance Panel In Adobe Illustrator
**Appearance Panel in Adobe Illustrator:**
Appearance Panel is one of the most important panel in Adobe Illustrator which used during in designing Illustrations. There are many things that Illustrator users can find in Appearance Panel. Even m...
How to show the default text on a form textboxes using jquery
Here, in this article when i click on one textbox the corresponding text in this textbox hides, and as soon as i click on another textbox the first textbox text appears.
The following steps are required to make the above task possible
Step1...
How to show popup on mouseover on a link using jquery
Following steps are required for showing a popup on mousehover on a link
Step1: Attach the javascript file from
http://code.jquery.com/jquery-1.6.3.min.js
Step2: Write the following internal stylesheet under the head secti...
Some necessary information to publish the application to app store
To submit an application to the App Store, you need to create an iOS provisioning profile for distribution (App should be signed with these certificate) for that you have to be a member of the iOS Developer Program.
Note: iTunes Connect does n...
How cooler is OpenERP 7.0 than 6.1?
With every new version of OpenERP there are always surprising changes visually or functionally. Lets discuss the very cool new features of OpenERP 7.0 and compare with those of 6.1.
Clean Views:
OpenERP has made the version 7.0 views very ...
Using different Storyboards for different iPhone sizes
If we are using storyboards we can handle different sizes by creating different storyboards for iPhone 4 and iPhone 5 and handle them in didFinishLaunching method of AppDelegate in this way :
Here for iPhone 4 we have storyboard named "Main_iP...
Getting roundedCorner for an Image in Android
Sometimes we need to display images with rounded corners in our several Applications, and this can be done very easily by writing some lines of code.
To get roundedCorner for an Image use the following code:
/**
* This method is used to ...
How to delete elements from array while iterating or delete multiple elements from array simultaneously
Sometimes we may face a situation when we need to remove objects from an array while iterating through the same array. We cannot remove elements from the same array on which we are fast enumerating (for in loop). And if we use the traditional "fo...
CSS Border-radius
The rounded corners are applied to the element's background area, the element's border, and the box-shadow if specified. The CSS3 border-radius property allows you to apply rounded corners to HTML elements without the need to use images or other ...
Access PostgreSQL using IP address
To add a new server connection using an IP address, you need to follow these steps:
Go to the folder PostgreSQL/data, and edit the file postgresql.conf, add the following line at the end of the file and save:
listen_addresses = '*' ...
How to record an audio and save the audio file
In this tutorial, I'll be making a UI with a start/stop recording button. I am using MediaRecording class to record the audio.
After making the layout, Call the method below on click of the mike button in the respective class:
MediaRecorder...
How to use transform property of css3
Hello Readers !
In this blog we will discuss about css3 new attribute transform and transition.
Okay let's start :-
Transform : Mainly transform property uses for give small animation or movement of any object.
To use this you have to...
Important modules for any company in OpenERP
For any enterprise that needs to implement an ERP system, the basic modules that are essential would include all the major functions of the enterprise that describe it completely.
OpenERP is one such system that does it all and has all the mo...
What are Animations in CSS3?
<!DOCTYPE html>
<html>
<head>
<style>
@keyframes anim
{
from {background:#fff;}
to {background:#00ff;}
}
@-webkit-keyframes anim /*Safari and Chrome*/
{
from {background:#000;}
to {background:#090909;}
}
div
...
THE BASIC STRUCTURE OF THE PAGE
<html><br>
<head><br>
<title>My Home Page</title><br>
</head><br>
<body><br>
<h1>This is a heading</h1><br>
<p>Document description goes here.....<...
'is_in_stock' or inventory filter in product collection in magento
Below code will return you the products of a category that have status 'Enable' , Visibility 'catalog,search' and
Stock Availability ' In stock'.
$productDetails = Mage::getModel('catalog/category')->load($cat_id)
...
Update quantity of product programattically in magento
Update quantity of product programmatically in magento
//----------update Quantity---------
$prod= Mage::getModel('cataloginventory/stock_item')->loadByProduct($productid);
$prod= $prod->getId();
$prod->setData('manage_stock', 1);
...
Benchmarking/load testing Jabber/XMPP Servers with Jabsimul
Benchmarking/load testing Jabber/XMPP Servers with Jabsimul
Please follow below link for benchmark
http://www.ejabberd.im/benchmark
./userreg -h localhost -u 3000 -n 1
Above command will create 3000 users with test_ username and pa...
The magnificence of Drupal
Drupal is a free and open-source content management system. It is being used by around 2.1 % websites, ranging from personal blogs to corporate, political and government websites, all round the world.
Drupal contains all basic features common...
The advantages of Joomla
Joomla is one of the most popular open source CMS. It is free and easily customizable. This makes it suitable for both greenhorn users and developing professionals to create websites and potent web applications.
Its easily deployable, has a n...
What is .axd file in ASP.Net
An .axd file is a HTTP Handler file. There are two types of .axd files.
ScriptResource.axd
WebResource.axd
These are files which are generated at runtime whenever you use ScriptManager in your Web app. This is being generated only once w...
How to inherit the properties and methods of base class to the child class in php
<?php
class data<br>
{<br>
public $firstno;<br>
public $secondno;<br>
public function getData($fno,$sno)<br>
{<br>
$this->firstno=$fno;<br>
$t...
Why use NoSQL over Relational Database - Chapter 1
What is NoSQL?
NoSQL is not a relational database it has been developed keeping in mind few of the drawbacks of relational database. It was developed for the purpose of data stored about users, objects and the frequency in which the data is ac...
Post in FaceBook using your Android device via feed dialog
In many applications we have to share content, links etc on Facebook. We can achieve this by using Facebook feed dialog. The following lines of code explains how to use feed/publish dialog.
First you need to get the app id and create a meta da...
Load Multiple Image From server using imageloader class store in cache memory in android
Displaying images in a mobile application is one of the most common tasks for app developers.
It can be quite challenging to efficiently load multiple images and display it on list-view or grid-view in Android.
You can use following single...
How to bind a Datalist inside a Datalist
Nesting Datalist
Use the .aspx code below to bind datalist inside a datalist.
<asp:DataList ID="lstPanels" runat="server" RepeatColumns="1" RepeatDirection="Horizontal"
DataKeyField="PanelID" OnItemDataBound="lstPanelsItemDataBoun...
Steps to import and use appcompat v7 support library in your project
If you want to use the ActionBar APIs in the support library. So before you can add the action bar, you must have to set up your project with the appcompat v7 support library.
Steps given below to import and setup appcompat v7 support library...
How to remove default text on textbox focus
Remove text from a textbox on focus and getting the text again after loosing focus
Use below .aspx code to make a textbox remove the default text on focus and again get the default text if the user leaves the textbox blank.
<asp:TextBox ...
Copy specific rows from one Datatable to another
Copy only columns from a datatable
Use 'clone' method to create a datatable with same structure
dtCopyColumns= dt.Clone();
This will copy only columns from dt to dtCopyColumns
Copy columns and rows from a datatable
dtCopy = ...
Check file-size using jQuery without uploading file
A simple code snippet for checking the file-size of a file before uploading it. It will not only help to save time but also network resource as we can implement the file check at the initial point only.
The current code allows the user to sel...
Custom Dialog like spinner in android
If you want to create a dialog which will look like as spinner dialog of single choice in android which will open in button click event than you can create a custom dialog.
Sample code given below :-
You just have to call this method on cli...
Know about design
Its quite a feeling of contentment when I see my own work of graphics and web designing. Its been years since I started working thorough & I have learned a lot from people I interacted with and the projects I worked upon. I'd love to share so...
JavaScript Pagination
JavaScript Pagination
Here i am going to describe how we would add JavaScript pagination to the table.
We'll focus on displaying a particular page of data.
$(document).ready(function() {
$('table.paginated').each(function() {
var curre...
Solution for java.lang.IllegalStateException
Hello friends, sometimes you come across with this very unexpected exception.
For eg: In the given code, after execution this exception occurs..
@RequestMapping(value = "addUser")
public String addUser(@ModelAttribute("userForm") UserF...