'প্রযুক্তিতে নতুনের ছোঁয়া'

Tower of Hanoi

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::Tower of Hanoi ::</h2>
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The Tower of Hanoi (also called the Tower of Brahma or Lucas' Tower,[1] and sometimes pluralized) is amathematical game or puzzle. It consists of three rods, and a number of disks of different sizes which can slide onto any rod. The puzzle starts with the disks in a neat stack in ascending order of size on one rod, the smallest at the top, thus making a conical shape</div>
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<img border="0" height="175" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBg-fJU4k1Ymag-1XXiOBqWCuXfLJv1eziu_z30ddH-EwbnfxO_cb-9zUBltWEps0CZOLNV51dg7TDJhxeioHcoPhvGPnm-aD9E7Q58YGCvEup6El7_bclH8cnUroHKyNOAuQhoeubvY4g/s1600/Tower_of_Hanoi.jpeg" width="400" />

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The objective of the puzzle is to move the entire stack to another rod, obeying the following simple rules:</div>
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<li style="margin-bottom: 0.1em;">Only one disk can be moved at a time.</li>
<li style="margin-bottom: 0.1em;">Each move consists of taking the upper disk from one of the stacks and placing it on top of another stack i.e. a disk can only be moved if it is the uppermost disk on a stack.</li>
<li style="margin-bottom: 0.1em;">No disk may be placed on top of a smaller disk.</li>
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With three disks, the puzzle can be solved in seven moves. The minimum number of moves required to solve a Tower of Hanoi puzzle is 2<sup style="font-size: 11.1999998092651px; line-height: 1;"><i>n</i></sup> - 1, where <i>n</i> is the number of disks.</div>
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<img border="0" height="155" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqshUUkCwTImb-YMwKx4BMlc_lKXy5KWFt-yS8Tw4s2851AUTB4brJmYs6FaU6mJYzIAQzJSS-UosSR7A-54e-h19bKN0l5xStWpIu3uXJZEx2vHzh2wNgFNT-SpUAuQZVih0rf7Z0Rt8w/s1600/300px-Tower_of_Hanoi_4.gif" width="400" />
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<pre class="brush:cpp;"> 
#include <iostream>
 using namespace std;
void towers(int, char, char, char);

int main()
{
    int num;

cout<<"Enter the number of disks : "<<endl;
    cin>>num;
    cout<<"The sequence of moves of the Tower of Hanoi are :\n"<<endl;
    towers(num, 'A', 'C', 'B');
    return 0;
}
void towers(int num, char A, char B, char C)
{
    if (num == 1)
    {
        cout<<"\nMove disk "<<num<<" from peg "<< A<<" to peg "<< B<<endl;
        return ;
    }
    towers(num - 1, A, C, B);

cout<<"Move disk "<< num <<" from peg "<< A<<" to peg "<<B;
    towers(num - 1, C, B, A);
}

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::Output ::</h2>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-rmgQBwiw0QNRhEWkJCuEoWtW7Gymuu7LEiv-S86nFQSZ3HlbuSwFHsdQypHsm4YAPOrLLQPJqBRiZhc9pDCLOJwTiBOT9vkAQm2WQn6W35AftuNP-QDv7YlwX0AtCtOP_DQ7klfBN5_9/s1600/Screenshot_4.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="295" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-rmgQBwiw0QNRhEWkJCuEoWtW7Gymuu7LEiv-S86nFQSZ3HlbuSwFHsdQypHsm4YAPOrLLQPJqBRiZhc9pDCLOJwTiBOT9vkAQm2WQn6W35AftuNP-QDv7YlwX0AtCtOP_DQ7klfBN5_9/s1600/Screenshot_4.png" width="400" /></a></div>
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Tower of Hanoi

::Tower of Hanoi :: The Tower of Hanoi (also called the Tower of Brahma or Lucas' Tower,[1] and sometimes pluralized) is amathemati...

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Amazing Water & Sound Experiment #2

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<iframe width="800" height="366" src="https://www.youtube.com/embed/uENITui5_jU" frameborder="0" allowfullscreen></iframe><br />
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<span style="background-color: white; color: #333333; font-family: arial, sans-serif; font-size: 13px; line-height: 17px;">The effect that you are seeing can't be seen with the naked eye. The effect only works through the camera. However, there is a version of the project you can do where the effect would be visible with the naked eye. For that project, you'd have to use a strobe light.</span><br />
<br style="background-color: white; color: #333333; font-family: arial, sans-serif; font-size: 13px; line-height: 17px;" />
<span style="background-color: white; color: #333333; font-family: arial, sans-serif; font-size: 13px; line-height: 17px;">For this project you'll need:</span><br />
<br style="background-color: white; color: #333333; font-family: arial, sans-serif; font-size: 13px; line-height: 17px;" />
<span style="background-color: white; color: #333333; font-family: arial, sans-serif; font-size: 13px; line-height: 17px;">A powered speaker</span><br />
<span style="background-color: white; color: #333333; font-family: arial, sans-serif; font-size: 13px; line-height: 17px;">Water source</span><br />
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<span style="background-color: white; color: #333333; font-family: arial, sans-serif; font-size: 13px; line-height: 17px;">24 fps camera</span><br />
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<br style="background-color: white; color: #333333; font-family: arial, sans-serif; font-size: 13px; line-height: 17px;" />
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<br style="background-color: white; color: #333333; font-family: arial, sans-serif; font-size: 13px; line-height: 17px;" />
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আসসালামু আলাইকুম ,সবাই কেমন আছেন??  আশা করি আল্লাহ তালার রহমতে ভালই আছেন।অনেক দিন পর আজ আবার আরেকটা পোষ্ট দিচ্ছি আসলে সময়ের সল্পতার কারনে নিয়মিত পোষ্ট দেয়া হয়না। তো আর বেশি কথা না বলে কাজের কথায় আসা যাক আজ আমি দেখাবো কি ভাবে আমরা আমাদের এন্ড্রোয়েড ফোনকে ওয়েবক্যাম হিসেবে ব্যাবহার করতে পারি এতোক্ষনে হয়তো পোষ্টের শিরোনাম দেখা তা বুঝে গেছেন। তো শুরু করা যাক...<br />
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১)প্রথমে আপনাকে  গুগোল প্লে স্টোর <a href="https://play.google.com/store/apps/details?id=com.dev47apps.droidcam" target="_blank">DroidCam Wireless Webcam</a> নামের এই অ্যাপটি  ডাউনলোড করে নিতে হবে।<br />
<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><img border="0" src="http://i.imgur.com/3ab3rLx.png" /></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><a href="https://play.google.com/store/apps/details?id=com.dev47apps.droidcam" target="_blank">Download</a></td></tr>
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২)অতঃপর আপনাকে  <a href="http://files.dev47apps.net/DroidCam.Client.5.0.1.zip" target="_blank">এখান থেকে</a>  এই সফটও্যারটি ডাউনলোড করতে হবে এবং  পিসিতে ইনস্ট্যল দিতে হবে।<br />
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 ৩)এখন আপনার পিসি টি একবার রিস্টাট দিয়ে নিন ।<br />
 অতঃপর আপনার মোবাইলটি USB Cable দিয়ে পিসির সাথে যুক্ত করুন।আর আপনার মোবাইলের Setting >>Developer Option  এ গিয়ে USB debugging এ টিক দিয়ে দিন।<br />
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৪)এথন পিসিতে সফটওয়্যারটি ওপেন করুন এবং USB বাটন সিলেক্ট করুন তারপর Start  বাটনে ক্লিক করুন আর উপভোগ করুন ওয়েবক্যামের সাধ।<br />
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এছাড়াও আপনি ইচছা করলে Wifi ব্যবহার করেও ওয়ওবক্যাম ব্যবহার করতে পারেন তবে সেক্ষেত্রে আপনাকে  শুধু  Device  IP এর স্থানে আপনার মোবাইলে যে IP দেখাবে সেটা দিয়ে দিলেই হবে।<br />
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তাহলে আজ এ পর্যন্তই থাক, পরবর্তী আবার আসবো নতুন কিছু নিয়ে ইনশাল্লাহ। সে পর্যন্ত সবার সুস্থতা কামনা করি এখানেই বিদায় নিচ্ছি।। আল্লাহ হাফেজ ।।।<br />
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Android Phone কে Webcam হিসেবে ব্যবহার করুন

আসসালামু আলাইকুম ,সবাই কেমন আছেন?? আশা করি আল্লাহ তালার রহমতে ভালই আছেন।অনেক দিন পর আজ আবার আরেকটা পোষ্ট দিচ্ছি আসলে সময়ের সল্পতার কারনে ...

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