Insert Only ‘#'(Tag) value into UITextField

Creating shortcuts to iOS Simulators with XCode 6 onwards 3

Hello All, Here I demonstrate hashtag container string into UITextField and we can restrict to user maximum numbers of hashtag insert into UITextField. Show below is the delegate method name is “shouldChangeCharactersInRange” where once user can start inserting the character. … Continue reading

Change the icon of a file or folder – mac os x – yosemite

XCode Documentation Location

You can create a custom icon for any file or folder. You can use your own pictures to create icons, download icons from the web, or use the icon from another file or folder. Use your own picture or a … Continue reading

iPhone / iPad / iOS Interview questions Part 1

iOS Interview Questions Part 1

Recently, I’ve gone through several interview rounds. I would like to share my experience. Here, I’m not going to put the exact questions. Those will be part of next posts in this series. Initially, I would like to start with … Continue reading

Rotate a video using iMovie on Mac OS X

Rotate video using iMovie in Mac OS X

Step 1. Open iMovie & Click on import. Step 2. Select files/videos which needs to be rotated & click on import button. Step 3. Click on + (Create) button from the toolbar & click on Movie as indicated in following … Continue reading

Hide & Unhide folder like windows in Mac os x

Mac osx hide/unhide file/folder

Use following command to hide specific folder/file.

Use following command to unhide specific folder/file.

Here is the example of hidden file.

Data Encryption Standard(DES) Encryption and Decryption

Yellow computer folder with key. Isolated 3d image

The Data Encryption Standard (DES) is a secret key encryption scheme adopted as standard in the USA in 1977. It uses a 56-bit key, which is today considered by many to be insufficient as it can with moderate effort be … Continue reading

Generate random string in Objective-C

Random string generation in objective-c

Following code snip will help you to generate random string by specifying the length of random string to be generated. Copy & paste following method as per your desire.