Kumulab Inc.

Kumulab Inc. Kumulab Inc is a business-driven organization aimed at providing quality and fast services at your slightest convenience.

11/11/2017

Reverse Engineering (RE) is the decompilation of an application, regardless of the programming language that was used to create it, so that one can obtain its source code or any part of it.
The reverse engineer can reuse the obtained code in his own programs or change an existing (already compiled) program to perform in other ways. He can use the knowledge obtained from reverse engineering to improve application programs, also known as bugs. But the most important is that one can get extremely useful ideas by observing how other programmers work and think, thus improve his skills and knowledge!

What comes in our minds when we hear RE, is cracking. Cracking is as old as the programs themselves. To crack a program, means to trace and use a serial number or any other kind of registration data, needed for the proper operation of a program. Therefore, if a shareware program (freely distributed, but with some difficulties, like crippled functions, nag screens or limited capabilities) needs a valid registration data, a reverse engineer can give that information by decompiling a particular part of the program.
In the past, many software companies have blamed others for doing RE in their products and stealing technology and knowledge. Reverse engineering is not limited to computer applications, the same happens with a car, weapons, hi-fi elements etc.

11/11/2017

Simple CMD trick Hide file inside Picture
1. Compress file what you to hide inside picture.
2. Copy Picture and Compressed file into same directory.
3. Open CMD.
4. Type in copy /b "Picture Name with Extension"+"Compressed file with extension" "output picture with extension".
Example: copy /b mypicture.jpg+compressed.zip mypic.jpg
Notes: Open using WinRAR to view file inside picture.

06/11/2017

How to view the HTML source code of a web page
Updated: 07/25/2017 by Computer Hope
All Internet browsers allow users to view the HTML source code of any of web page they visit. The following sections contain information on the multiple ways to view the source code in each of the major browsers. To proceed, choose and entry from the list below and follow the instructions for that section.
Introductory information
Microsoft Edge users
Microsoft Internet Explorer users
Mozilla Firefox and Netscape users
Google Chrome users
Apple Safari users
Opera user
Android phone using Chrome
How to close the source code
Introductory information
When viewing the source code of a web page, it is important that you keep in mind that information and code not processed by the server won't appear. For example, almost all Internet search engines process information on a
server, and then display the results on a web page. In other words, you can view the code that makes up the results page, but you cannot view the search engine's source code.
This rule applies to all server side scripts, SSI , and programming code. Therefore, features such as search engines, forums, polls, chat, etcetera, will not display their code. Copying the information from the source code may cause errors or direct you back to the page from which you copied the information.
Microsoft Edge users
To view the source code of a web page in Microsoft Edge , follow the steps below.
1. Press Ctrl+U or F12 on your computer's keyboard.
Or
1. Open Microsoft Edge and navigate to the web page of your choice.
2. Click the More icon in the upper right-hand corner of the screen.
3. Select F12 Developer Tools from the
drop-down menu that appears.
Tip: In Microsoft Edge, the DOM tool also provides interaction with the source code and CSS settings, allowing users to see how changes in the code affect the web page immediately.
Microsoft Internet Explorer users
To view the source code of a web page in Microsoft Internet Explorer , follow the steps below.
1. Press Ctrl+U on your computer's keyboard.
Or
1. Open Internet Explorer and navigate to the web page of your choice.
2. Press the Alt key to bring up the browser's menu bar .
3. Select View , and the Source from the
drop-down menu that appears.
Tip: With the latest versions of Internet Explorer, pressing the F12 key brings up the DOM tool. This tool provides much more interaction with the source code and CSS settings, allowing users to see how changes in the code affect the web page immediately.
Mozilla Firefox and Netscape users
To view the source code of a web page in Mozilla Firefox, follow the steps below.
1. Press Ctrl+U on your computer's keyboard.
Or
1. Open Mozilla Firefox and navigate to the web page of your choice.
2. Press the Alt key to bring up the browser's menu bar .
3. Select Tools , Web Developer , and then Page Source .
Tip: With the latest versions of Firefox, pressing the F12 key or Ctrl+Shift+I brings up the interactive developer tool. This tool provides much more interaction with the source code and
CSS settings, allowing users to see how changes in the code affect the web page immediately.
View a section of the page's source code
1. Highlight the portion of a web page for which you'd like to view the source code.
2. Right-click that highlighted section, and then click View Selection Source .
Tip: Use the Firebug add-on to not only view the source code of a page but change and view those changes live through the browser.
Google Chrome users
To view the source code of a web page in Google Chrome , follow the steps below.
1. Press Ctrl+U on your computer's keyboard.
Or
1. Open Chrome and navigate the web page of your choice.
2. Click on Customize and control Google Chrome icon in the upper right-hand side of the browser window.
3. From the drop-down menu that appears, select More tools and then
Developer tools.
Tip: With the latest versions of Chrome, pressing the F12 key or Ctrl+Shift+I also brings up the interactive developer tool. This tool provides much more interaction with the source code and CSS settings, allowing users to see how changes in the code affect the web page immediately.
Apple Safari users
1. Press Command + Option + U on your keyboard.
Or:
1. Right-click a blank part of the web page and select Show page source from the drop-down menu that appears.
Or:
1. Open the Safari browser and navigate to the web page of your choice.
2. Select the Develop menu.
3. Choose the Show page source option.
Opera users
To view the source code of a web page in Opera , follow the steps below.
1. Press Ctrl+U on your keyboard.
Or:
1. Open Opera and navigate to the web page of your choice.
2. Click the Menu button in the corner of the browser window.
3. In the Developer sub-menu, choose
View page source .
Tip: If you don't see the Developer sub-menu, choose More tools → Show developer menu . Then, click the menu button again. You should now see the Developer sub-menu listed.
Tip: With the latest versions of Opera, pressing the shortcut combination Ctrl+Shift+I brings up the interactive developer tool. This tool provides much more interaction with the source code and CSS settings, allowing users to see how changes in the code affect the web page immediately.
Android phone running Chrome
1. Open the Google Chrome Internet browser on your phone.
2. Open the web page whose source code you'd like to view.
3. Tap once in the address bar and then move your cursor to the front of the URL .
4. Type view-source: and press Enter or
Go.
How to close the source code page or tool
Once you're done viewing the source code on a web page, you may want to exit or close it. This process depends on the method you've used to open it.
If you've used the Ctrl+U method (with the exception of Microsoft Edge), close the new tab that opened in the top of your browser window.
If you've used the developer method (pressing F12 or Ctrl+Shift+I), click
in the upper right-hand corner of the tools window .

01/11/2017

HOW TO MAKE SYMBOLS WITH KEYBOARD
Alt + 0153..... ™... trademark symbol
Alt + 0169.... ©.... copyright symbol
Alt + 0174..... ®....registeredtrademark symbol
Alt + 0176 ...°......degree symbol
Alt + 0177 ...±....plus-or-minus sign
Alt + 0182 ...¶.....paragraph mark
Alt + 0190 ...¾....fraction, three-fourths
Alt + 0215 ....×.....multiplication sign
Alt + 0162...¢....thecent sign
Alt + 0161.....¡......upside down exclamation point
Alt + 0191.....¿.....upside down question mark
Alt + 1...........smiley face
Alt + 2 ......☻.....black smiley face
Alt + 15.....☼.....sun
Alt + 12......♀.....female sign
Alt + 11.....♂......male sign
Alt + 6.......♠.....spade
Alt + 5.......♣......Club
Alt + 3............. Heart
Alt + 4.......♦......Diamond
Alt + 13......♪.....eighth note
Alt + 14......♫......beamed eighth note
Alt + 8721.... ∑.... N-ary summation (auto sum)
Alt + 251.....√.....square root check mark
Alt + 8236.....∞.....infirow
Alt + 25......↓......down arrow
Alt + 26.....→.....right arrow
Alt + 27......←.....left arrow
Alt + 18.....↕......up/down arrow
Alt + 29......↔... left right arrow.

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Abeokuta
00176

Telephone

+2348034475691

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