While researching about image manipulation for my next project, I came across an interesting piece of code, using which, we can merge two images into a single image. Here’s the code: -(UIImage*)mergeImage:(UIImage*)mask overImage:(UIImage*)source inSize:(CGSize)size{ //Capture image context ref UIGraphicsBeginImageContext(size); [self.view.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); //Draw images onto the…
Date formatting in Cocoa
“Date formatters format the textual representation of cells that contain date objects (including Gregorian dates), and convert textual representations of dates and times into date objects.” – Apple Documentation. While creating an app, you generally come across a situation, when you require custom date format to represent dates in user…
How to show UIWebView without background
I was working on an iPhone app, when I came across a problem, where I had to use UIWebView to show some of the data, but the background should not be shown (I had a background image for my app, and the content of web view should have to be…
How to set specific year/month/date/time into UIDatePicker control
While working on a date picker control I encountered a problem, where I was supposed to set year of the date picker control to a specific year. For this problem, I added a custom text box over date picker. When a user enters a year in that text box and…
How to show UIPopover control with header bar and title
In iPad, we have a new control called UIPopover. This control shows up as an overlay in the screen with a UIViewController or UIView in it. But I came across a problem of showing title with header bar in Popover control. Then came across a set of solution, which solved…
How to access remote MySql database from localhost
I had this requirement from long to access my remote MySql database (hosted on some service provider, for which I had access to control panel only) from my localhost. This was not for the fun, but it’s really convenient if we can access remote database locally. Once one of my…
PHP function to create random password.
While creating a password recovery system for one of my projects, I had to generate random password. I could have written a function at my own, but had a very tight deadline for this feature. Thus I went on googling for it and came across a very cool function at…
iPhone – How to find height of a label for dynamic string in it.
Here is a small but very useful function, which gives height of a label for which dynamic string is to be set: -(NSInteger) findHeightOfLabelString:(NSString *)textString{ UIFont *font = [UIFont systemFontOfSize:17]; CGSize size = CGSizeMake(175.0f, MAXFLOAT); CGSize labelSize=[textString sizeWithFont:font constrainedToSize:size lineBreakMode:UILineBreakModeWordWrap]; return labelSize.height;}
Objective C – Convert local time into GMT time.
These days m working on iPhone development and came across an interesting problem of converting GMT time into local time. After some research, I found this interesting function achieve it: -(NSString *)convertGMTDateFromLocalDate:(NSString *)gmtDateStr{ NSDateFormatter* formatter = [[NSDateFormatter alloc] init]; [formatter setDateFormat:@”yyyy-MM-dd HH:mm”]; NSTimeZone *gmt = [NSTimeZone timeZoneWithAbbreviation:@”GMT”]; [formatter setTimeZone:gmt]; NSDate…
Running a batch file from C#
Here’s a piece of code, which enables running a batch file from C# code. I found this on google, but don’t remember the link for it. So, if somebody have copyright for this code, please let me know. I’ll remove this from my site. string basePath = htmpPath + “\\”…