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CGContextDrawImage draws image upside down when passed UIImage.CGImage
... be drawing my image upside down? I am loading an image in from my application:
18 Answers
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Kill child process when parent process is killed
...ing new processes using System.Diagnostics.Process class from my application. I want this processes to be killed when/if my application has crashed. But if I kill my application from Task Manager, child processes are not killed. Is there any way to make child processes dependent on parent pr...
What is InputStream & Output Stream? Why and when do we use them?
...the screen shouldn't matter. All that matters is that you receive information from the stream (or send information into that stream.)
InputStream is used for many things that you read from.
OutputStream is used for many things that you write to.
Here's some sample code. It assumes the InputStrea...
Publish to S3 using Git?
...3
Get an Amazon S3 account!
Download, compile and install. (see InstallationNotes)
Specify your Security Credentials (Access Key ID & Secret Access
Key) by one of the following methods:
using the passwd_file command line option
setting the AWSACCESSKEYID and AWSSECRETACCESSKEY environment va...
Center content of UIScrollView when smaller
...
I've got very simple solution!
All you need is to update the center of your subview (imageview) while zooming in the ScrollViewDelegate.
If zoomed image is smaller than scrollview then adjust subview.center else center is (0,0).
- (void)scrollViewDid...
When should I release objects in -(void)viewDidUnload rather than in -dealloc?
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In addition to what has already been indicated, I wanted to elaborate more about logic behind -viewDidUnload.
One of the most important reasons for implementing it is that UIViewController subclasses commonly also contain owning r...
Xcode crash when refreshing provisioning profiles
I cant seem to refresh my provisioning profiles in Xcode without crashes. Every time I press the refresh button in organizer it crashes and I retrieve this line from the error log:
...
How do you create a Swift Date object?
...th = 7
dateComponents.day = 11
dateComponents.timeZone = TimeZone(abbreviation: "JST") // Japan Standard Time
dateComponents.hour = 8
dateComponents.minute = 34
// Create date from components
let userCalendar = Calendar.current // user calendar
let someDateTime = userCalendar.date(from: dateCompone...
How to get IP address of the device from code?
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This is my helper util to read IP and MAC addresses. Implementation is pure-java, but I have a comment block in getMACAddress() which could read the value from the special Linux(Android) file. I've run this code only on few devices and Emulator but let me know here if you find weird resul...
How to import a .cer certificate into a java keystore?
...e development of a Java webservice client I ran into a problem. Authentication for the webservice is using a client certificate, a username and a password. The client certificate I received from the company behind the webservice is in .cer format. When I inspect the file using a text editor, it ha...