CAPTCHA is very important tool to prevent your website from SPAM. CAPTCHA script asks your user to enter some random words which can only identified by human eye.

Why Use CAPTCHA?

If you have any HTML form on your website, where people can submit information. You need to have CAPTCHA to stop auto submission from a bot. Some examples of forms are comment form or User Registration form. CAPTCHA script saves the HTML forms from auto submissions and save it from SPAM.

How to integrate reCAPTCHA?

reCAPTCHA is a CAPTCHA service offered by Google Inc. reCAPTCHA is best CAPTCHA service offered anywhere and it is free to use. Below is the guide to use reCAPTCHA at your website.

Check out the example of Recaptcha. You can download the source code from here.

Step 1: Sign up for Recaptcha

Go to Recaptcha and Sign up for reCAPTCHA service. You need to have Google account to use this service.

Step 2: Register your Website

You need to register your website for reCAPTCHA service. Go to https://www.google.com/recaptcha/admin/create and create keys for your domain. You will get public and private key for your domain.

Step 3: Client Side Integration

Recaptcha provides you several means to integrate it at your website. I am using AJAX API to use it.

Include recaptcha ajax javascript inside your head tag

Then before your submit button use this code :

We need to validate the user’s response. So include the validate function onSubmit call of your form.
Below is the validateCaptcha method which you can use to validate Captcha entered by user.

Step 4 : Server Side Integration

Download the PHP Recaptcha lib and store it on your server.

Here is the code to verify the user’s input. You can create a separate file on your server.

Thats it. Your Recaptcha is working. Try out a Demo of Recaptcha.

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So here I am following Morgan Spurlock’s philosophy.
My challenge is : To learn something useful everyday and blog it.

I will post my updates in this blog and I am quite determined that I will complete this challenge.

Day 1 : I started the day one with approving and replying comments on this website. Here is today’s entry for my challenge.
How to use reCaptcha on your Website?

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Perhaps the biggest indication that the iPhone 4S is no longer in short supply comes in the form of Apple’s Q1 2012 sales reports published in January. They suggest that the first three months since new CEO Tim Cook took office have been the most successful ever for the firm.

Mr Cook was handed the position of CEO after Apple founder Steve Jobs died last year, stepping into a role that has seen him take charge of one of the world’s most valuable companies. Some had assumed that the untimely departure of Jobs might signal a downward spiral for Apple because of the importance of its visionary leader. However, Mr Cook has clearly had a positive impact and has been able to sustain the company’s growth during his early weeks in charge.

The iPhone 4S and the other available versions in this range sold just over 37 million units over the past three months, helping Apple to increase its revenues to more than $46 billion, with a profit of $13 billion. Shareholders enjoyed a dividend of $13.87 for each share, which is clearly due in part to the 128 per cent increase in iPhone sales that was fuelled by the popularity of the 4S and the increased affordability of 2010′s iPhone 4 and 2009′s 3GS.

There is little doubt that Apple has clearly worked through any problems on the production side of things so that the iPhone 4S handsets can be pumped out of the factory just as fast as they are being snapped up by consumers on the other side of the planet.

Of course, the iPhone 4S was created during a period of supply-chain problems for Apple, with the Japanese tsunami of March 2011 forcing it to push back the launch of the handset into the autumn. This upset its usual summer launch schedule and is likely to mean that the sixth iPhone, due in 2012, will also arrive later in the year to give the iPhone 4S a chance to corner the market once more.

Apple could experience shortages once the iPhone 4S replacement hits shelves because it will almost certainly be using a completely different design and set of internal components compared with its precursor. Experts are predicting that it will have a larger screen, perhaps as big as 4.3 inches across the diagonal, which will completely alter the shape of the device and prevent Apple from using the same parts as it did for the 4S.

Providing there are no major natural disasters, or indeed problems with paint that prevented the white iPhone 4 from emerging for month after month, the next iPhone should be launched on time. Meanwhile, the iPhone 4S is unlikely to sell out in the immediate future.

About the Author:

The above article is composed and edited by Shannen D. She is associated with many Technologies communities as their freelance writer and adviser. In her free time she writes articles related to social media, internet providers in my area related articles etc.

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These days you can find 2 megapixel and 3.2 megapixel cameras only on mid-range phones. The high-end phones that were released last year came with high performance camera lenses. Such smartphones are available with varied features like superior optics, higher image sensors and powerful processor and RAM onboard that makes it possible for you to snap high resolution photos and videos.

Here is a list of top 5 smartphones that have topnotch camera:

Samsung Galaxy Note

There has been quite a lot of debate and speculation on which one has a better camera, the Samsung Galaxy Note and Samsung Galaxy S2.  The Galaxy Note also comes with 8 megapixel camera. However, as compared to Galaxy S2, it comes with large-sized display that measures 5.3 inches and 1.4 GHz processor. You can record HD videos of 1080p at 30fps. Like the Galaxy S2, even the Galaxy Note comes with 2 megapixel front-facing camera for video calling.

Samsung Galaxy S2

The Samsung Galaxy S2 is an all-rounder phone that is capable of defeating iPhone and any other smartphone easily. An 8 megapixel camera is housed at the rear of the phone. It comes with back-illuminated sensor. Thanks to the single LED flash, the flash is fired very brightly in low lighting conditions. You can shoot HD videos of 1080p at 30fps. For performing video calls, the Samsung Galaxy S2 has got a 2 megapixel front-facing camera. The phone is powered with 1.2 GHz processor and its display measures 4.3 inches.

Apple iPhone 4S

The fastest iPhone in the market, the iPhone 4S also comes with one of the best camera lenses. An 8 megapixel camera can be found at the rear of the beautifully designed phone. The flash manages to light up the subject and the background environment completely to give you photos with amazing clarity even in dim lighting conditions. You can capture 1080p HD videos at 30fps. Along with the high performance camera, the iPhone comes with a Retina display screen that measures 3.5 inches and 1 GHz processor is what you get with the Apple iPhone 4S.

Nokia N8

Powered with 12 megapixel camera, the N8 is one of the best selling phones from Nokia. Also, it is available at much lower cost compared to the Samsung Galaxy S2, Galaxy Note and iPhone 4S. The Carl Zeiss optics with Xenon flash is capable of snapping crisp and realistic photos. HD videos of 720p can be recorded at 30fps. The display screen size of the phone is 3.5 inches and runs on 600 Mhz processor. Also, there is a VGA camera onboard at the front for making video calls.

Sony Ericsson Xperia Arc

The Xperia Arc from Sony Ericsson has already got a successor phone in the market called the Xperia Arc S. However, the predecessor phone has better camera. The 8.1 megapixel camera on the Xperia Arc manages to snap great photos with amazing clarity. The Exmor R (CMOS) based image sensor allows you to record 720p videos. The LED flash is powerful enough to lighten dim areas while capturing photos and videos. Also, it has got 4.2 inches display screen and 1 GHz processor.

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In the recent past, Facebook has been accused many times for not providing its users with up to the mark safety and privacy. One of the recent incidences that shocked the whole world was that the private photos of the Facebook’s founder Mark Zuckerburg was leaked because of some problem. Apart the privacy problems many Facebook users have faced, there has been a considerable rise in cases of worms and malwares hijacking Facebook accounts.

A security company called Securlet has recently revealed that a worm called Ramnit has stolen the login id and password and hijacked over 4500 Facebook accounts. The worm seems to be spreading more frequently among Windows OS users. Securlet has stated that after gaining the login credentials, the hackers are manually signing into the account of the users and then they are sharing infected links on the walls of other users. By just clicking on the link, the browser allows the Ramnit worm to automatically download to your Windows driven computer and then it attacks the .exe files, html files, MS-Office files and your Outlook email service.

In just a short span of time Ramnit worm have hit headlines because of the fact that it is very quickly spreading across the world. Ramnit is not a new worm. This malicious program existed previously. However, it was modified to attack Facebook accounts. Ramnit is also listed in the Malware Protection Center of Microsoft as a virus that has the ability to infect .exe and html files and it can even spread to your removable drives. It robs confidential data such as FTP credentials and cookies of your web browser. It also acts as a backdoor and allows the hacker to access and hack your computer remotely.

When Facebook was contacted to speak on this issue, they confirmed to the fact that many Facebook accounts were compromised. And they also claimed that Ramnit was not getting multiplied through Facebook. The security experts of Facebook have looked into the issue and have stated that most of the information that has received is outdated. The security experts have already started fixing the infected accounts and restoring the security of those accounts. They said even though the Ramnit virus is not spreading through Facebook, they have working together with third-party companies to increases the safety standards of their anti-virus systems. They also expect Facebook users to not to click on links that appear strange and if any suspicious activity is observed, users are expected to report it immediately.

Facebook users who came to know that their accounts were compromised when they saw unusual posts being added through their accounts; they have already taken the efforts to reset their passwords. Hence, the details that the worm collected are void. Even more recent stats have shown that the number of Ramnit hijacked accounts have come down to 20,000.  Most of the hijacked accounts are from United Kingdom and France. So, it can be understood that the worm was set up in UK or France.

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The Amazon Kindle Fire is truly the iPad killer product that is crushing down the sales of the Apple iPad. No other tablet PC was able to compete with the Apple iPad. Even Samsung’s Galaxy Tab which is more features than the iPad was unable to bring down the sales of the iPad. However, the Amazon Kindle Fire that was released in November 2011 has already managed to surpass the sales of iPad. The Kindle Fire is considered to be the most desired holiday wish-list item.

Related Story : Is Kindle Fire really good? Can it beat iPad in popularity?

One of the main reasons why the Kindle Fire has become so famous in short period is the fact that it is available at a very affordable price as compared to the iPad. The sales of the Apple iPad has shooting down from 16 million to 13 million and this is mainly happening during the holiday season of December when the iPad’s sales were expected to grow even more. The release of the Kindle Fire in the month of November 2011 was timed perfectly to attract the oncoming vacation season. Over 1 million Kindle Fire is sold every week.

The vice-president of Amazon Kindle Fire, Dave Limp has stated that the Kindle Fire is the most successful product that they have ever launched. They are making great efforts to build new Kindle Fire units to meet the high demand. Even though the Kindle Fire received ambiguous reviews at the beginning, it is managed to hit high sales in no time.

There are several reasons why Apple iPad has failed miserably to compete with Kindle Fire. One of the main reasons is its price. When you compare the price of both the products, you can notice that anyone can afford a Kindle Fire rather than owning an iPad. The original iPad is still not available in many countries and still Apple managed to launch the iPad 2. The original iPad and the iPad 2 are still priced high. The sales of iPad are increasing but it cannot compete with the Kindle Fire.

When you want to gift a Kindle Fire, you only need to spend 200USD whereas to gift to an iPad, you need to spend 500USD. It has been observed that many people are looking cheap tablets to buy. While searching for cheap tablets, people often come across the Kindle Fire. Since the product has a very famous brand backing it and is available at a cheaper price than iPad, the sales are bound to shoot high.

Some people do not like to compare iPad and the Kindle Fire. The iPad has a mammoth screen size of 10 inches whereas the Kindle Fire has a comparatively smaller screen of 7 inches. The Kindle Fire is just an eBook reader and it can be used for watching movies, listening to music and browsing the web. The iPad functions more like a laptop. You should be clear about the fact the Kindle Fire is not an alternative product to the iPad. In simpler terms, Kindle Fire offers basic entertainment features that cannot match the feature rich iPad.

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SPOKEN:
In the cubicles representin’ for my JAVA homies…
In by nine, out when the deadlines are met, check it.

CHORUS:
We code hard in these cubicles
My style’s nerd-chic, I’m a programmin’ freak
We code hard in these cubicles
Only two hours to your deadline? Don’t sweat my technique.

Sippin’ morning coffee with that JAVA swirl.
Born to code; my first words were “Hello World”
Since 95, been JAVA codin’ stayin’ proud
Started on floppy disks, now we take it to the cloud.

On my desktop, JAVA’s what’s bobbin’ and weavin’
We got another winning app before I get to OddEven.
Blazin’ code like a forest fire, climbin’ a tree
Setting standards like I Triple E….

Boot it on up, I use the force like Luke,
Got so much love for my homeboy Duke.
GNU Public Licensed, it’s open source,
Stop by my desk when you need a crash course

Written once and my script runs anywhere,
Straight thuggin’, mean muggin’ in my Aeron chair.
All the best lines of code, you know I wrote ‘em
I’ll run you out of town on your dial-up modem.

CHORUS:
‘Cause…
We code hard in these cubicles
Me and my crew code hyphy hardcore
We code hard in these cubicles
It’s been more than 10 years since I’ve seen the 404.

Inheriting a project can make me go beeee-serk
Ain’t got four hours to transfer their Framework.
The cleaners killed the lights, Man, that ain’t nice,
Gonna knock this program out, just like Kimbo Slice

I program all night, just like a champ,
Look alive under this IKEA lamp.
I code HARDER in the midnight hour,
E7 on the vending machine fuels my power.

Ps3 to Smartphones, our code use never ends,
JAVA’s there when I beat you in “Words with Friends”.
My developing skills are so fresh please discuss,
You better step your game up on that C++.

We know better than to use Dot N-E-T,
Even Dan Brown can’t code as hard as me.
You know JAVA’s gettin’ bigger, that’s a promise not a threat,
Let me code it on your brain

WHISPERED:
so you’ll never forget.

CHORUS:
We code hard in these cubicles,
it’s the core component…of what we implement.
We code hard in these cubicles,
Straight to your JAVA Runtime Environment.

We code hard in these cubicles,
Keep the syntax light and the algorithm tight.
We code hard in these cubicles,
Gotta use JAVA if it’s gonna run right.

We code hard in these cubicles
JAVA keeps adapting, you know it’s built to last.
We code hard in these cubicles,
Robust and secure, so our swag’s on blast

CODE HARD

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1. Dalton – The Awsome :



Dalton is a funny, addictive and challenging game. Play as Dalton and kill all the zombies coming in your way. It is perfect way to pass time. Game contains lovely music and you will never feel bored of it.

2. Crazy Chickens



Name of the game reminds us of angry birds but it is totally different game. However, the purpose is same to save eggs. Chickens have gone crazy and they are dropping their eggs. You have to play the game as “Bholu” (Character of the Game) and save all the eggs from falling on the ground. This game will remind you the old hand held games and its addictive.

3. Vehicle Traffic

       
The game is a mix of strategy and action. Game rules are as follows:

1. Your mission is to not to let any car collide.
2. A car can be in either of three states Moving, Slowing Moving or Stopped.
3. Tap the car to change its state.

Vehicle traffic is very interesting game and a wonderful time pass.

4. Peak Gold



It is Symbion version of very famous flash game, Gold miner. Pick up the gold and save it to buy amazing things for your Gold miner. A must download if you have played Gold miner.

5. Lights Out



The game has only one motive. Turn of all the lights, Simple. But it is not that simple, because as you tap any bulb its neighbors will also change its state. Lights out is fantastic puzzle game and fun to play.

6. Bada Maze



The purpose is to reach the ball to its destination using accelerometer. The graphics of this game are not that great but it’s fun to play as you to tilt the phone in various directions to make it reach home.

7. Balloon Popper

   

Balloon Popper is an arcade game. Pop up all the balloons with a bullet. You have to target the bullet correctly in order to pop out all the balloons.

8. Five in a Row

   

Five in a row is a two player game. Player has to make five balls of same color appear in a row horizontally, vertically or diagonally. The game also has one player mode, in which you can play against easy, medium or hard computer. The game also has interactive graphics which makes it a must download.

9. Finger Drums


Do you love music? You will love this app. Play the drums with the beat of your fingers. It’s simple, easy and fun game to play.

10. Rip Off



Save the family of a bird. An interesting and graphics intuitive game you will love to play.

So, this completes my list of top free games for Nokia N9. If you have any additions please do let me know. Below is the comment section where you can add your comments. I will keep adding games in this list.

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]]> http://www.itechfreak.com/nokia/top-free-games-for-nokia-n9/feed/ 0 http://www.itechfreak.com/mobile-phones/blackberry-torch-9860-review/ http://www.itechfreak.com/mobile-phones/blackberry-torch-9860-review/#comments Sat, 17 Dec 2011 07:07:29 +0000 pragya http://www.itechfreak.com/?p=2869
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BlackBerry has introduced many models in the market and the latest one is the Black Berry torch 9860 which is very helpful in browsing as well as in the media field. The 3.7 inch touch screen is amazing and has more space due to which it becomes easy to view web as well as screen space. It also has a highest resolution with 480 x 480 displayed pixels. The displayed images in this model are bright and clear.

The measurement of the device is 4.7″ (l) x 2.4″ (w) x 0.5″ (d), and weighs around 135 grams. If compared with other models the Black Berry torch 9860 is little bigger because of its large bezel. The front panel is all sleek and the metallic back with rubber grip looks elegant. The buttons below the screen are well spaced. It is powered by a single-core 1.2GHz processor which is a plus point as single-core processor never does any harm. And since the BlackBerry Torch 9860 doesn’t deal with HD 1080p video like many other phones do, it is doubtful whether it will get along with a single-core CPU for now. It has 4GB of on-board storage. There is a provision to add up to 32GB more storage through the microSD card slot, which is handy if you want to shoot more videos with the 720p HD recording. The video player supports MP4, DivX, XviD and WMV videos up to 720 p. The video playback is smooth and can be saved for future viewing.  The back of BlackBerry Torch 9860 has a 5MP camera’s lens, and the LED flash.

BlackBerry Torch 9860

The usual wireless accessories are included with 802.11b/g/n Wi-Fi available, and 3G with a download speed of up to 14.4Mbps. Bluetooth is available and there is cabling with the micro USB connector.

The design of the BlackBerry Torch 9860 is somewhat like RIM’s range and Samsung’s Galaxy line. It’s quite appealing.  The keys are easy to press and the 3.5mm jack is also on the side, which people may not like and prefer to be on top or bottom.  The phone is comfortable to hold due to its shape and metal back plate with matt feel.  The sound quality is also good for your ears. Therefore, overall the multimedia performance is good compared to the older Blackberry phones. It has a durable battery of 1320 Ah, which can be used up to 12 hrs under normal use.  It also offers a proper touch screen experience. It lets you to sort your contacts under various groups. Therefore, overall taking into consideration the entire specifications and modifications of Torch 9860, it is very good, affordable and one should have it.

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This Finland based company which manufactures handsets, has introduced a brand new smartphone on the eve of the silver anniversary of the research center of Nokia. Its entire body will act as a touch screen. Nokia Gem is like a priceless stones as because just like the precious stones which have many sides, the front and the back and the obvious sides in the phone works as an interactive display. These displays change, according to whatever application you will be using at that time. For example suppose you are using an app for navigation on this cell phone, you can see a map showing overview on one side and then turn it over to check out the more detailed map about your present position in the city. In the video mode, another instance has been shown where the girl clicks a photo. Then she uses the touch-screen feature of cell phone to wrap that complete image around the phone as wallpaper. As there are no such things as buttons on this phone, so gestures and actions are used to use apps, for example you draw a circle to use the camera app.

The most important feature is the technology which Nokia Gem uses to interact with various other cell phones. Now suppose you use an application on this phone. Let us suppose that you use the camera; when you do so, still your mobile phone will look like a cell phone. But with Nokia Gem, when you use the camera function, the whole phone will look like a camera. Then you can see one wrapped image around the camera, just like you saw in that cool video where the lady clicks some wallpaper and then uses it as the art for her own cell phone casing. No default appearance will find with it.

Games lovers will generally find that it looks a lot like, for example, a gaming pad. It is called Nokia Gem because just like the polished precious stones which have many sides, it also has many sides. This phone would be also able to display images in 3D as it allows view from all possible angles. But according to Jarkko, the most important use of this phone would be the interaction between its various sides and its ever changing appearance. This new mobile phone is a concept phone which utilizes the entire device.

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