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Can't use Swift classes inside Objective-C
...}
}
Objective-C code (calling code)
SwiftClass *obj = [[SwiftClass alloc] initWithStringValue: @"Hello World!"];
[obj printValue];
NSString * str = obj.stringValue;
obj.stringValue = @"HeLLo wOrLd!!!";
Result
4. Call Objective-c class from Swift code
Objective-C class (ObjcClass.h)
#impo...
How to avoid overflow in expr. A * B - C * D
... Both long long and double are 64 bits. Since double has to allocate some bits for the exponent, it has a smaller range of possible values without loss of precision.
– Jim Garrison
Nov 5 '12 at 19:03
...
iPhone: How to switch tabs with an animation?
...oller:(UIViewController *)toVC
{
return [[TabSwitchAnimationController alloc] init];
}
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Implementing IDisposable correctly
...enting IDisposable, you are announcing that
// instances of this type allocate scarce resources.
public class MyResource: IDisposable
{
// Pointer to an external unmanaged resource.
private IntPtr handle;
// Other managed resource this class uses.
priv...
GridLayout and Row/Column Span Woe
...oducing GridLayout shows this diagram of how spans impact automatic index allocation:
5 Answers
...
Append values to query string
...ke parsing, url encoding, ...:
string longurl = "http://somesite.com/news.php?article=1&lang=en";
var uriBuilder = new UriBuilder(longurl);
var query = HttpUtility.ParseQueryString(uriBuilder.Query);
query["action"] = "login1";
query["attempts"] = "11";
uriBuilder.Query = query.ToString();
long...
Post data to JsonP
...trol-Max-Age", "1000" ); // time from request to response before timeout
PHP:
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: POST');
header('Access-Control-Max-Age: 1000');
Doing like this, you are opening your server to any post request, you should re-secure th...
Visual Studio 64 bit?
...
It runs fine until allocated memory is relatively small. When it goes > 2gb it becomes extremely slow and invokes GC every second.
– Grigory
Jun 15 '12 at 23:17
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How do I show a console output/window in a forms application?
...nteropServices;
private void Form1_Load(object sender, EventArgs e)
{
AllocConsole();
}
[DllImport("kernel32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool AllocConsole();
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What is the difference between task and thread?
...or Vista, for example. On x86 Linux, the default is usually 2 MiB - again, allocated in page-sized chunks. (simplification) Erlang only uses one system thread per process, those 400 bytes refer to something similar to .NETs Task.
– Luaan
Jun 9 '16 at 16:13
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