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Find size of object instance in bytes in c#
...nal "Basic Instance Size" field via TypeHandle of the type).
object obj = new List<int>(); // whatever you want to get the size of
RuntimeTypeHandle th = obj.GetType().TypeHandle;
int size = *(*(int**)&th + 1);
Console.WriteLine(size);
This works on 3.5 SP1 32-bit. I'm not sure if field...
Freely convert between List and IEnumerable
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List<string> myList = new List<string>();
IEnumerable<string> myEnumerable = myList;
List<string> listAgain = myEnumerable.ToList();
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Update value of a nested dictionary of varying depth
...s code "skips" this part of the update (because it performs it on an empty new dict which isn't saved or returned anywhere, just lost when the recursive call returns).
My other changes are minor: there is no reason for the if/else construct when .get does the same job faster and cleaner, and isinst...
How to recover MySQL database from .myd, .myi, .frm files
...ading, you'd best check the release notes (and probably run repair table). Newer MySQL versions add features, of course.
[Although it should be obvious, if you mix and match tables, the integrity of relationships between those tables is your problem; MySQL won't care, but your application and your ...
How do I drag and drop files into an application?
...nitializeComponent();
this.AllowDrop = true;
this.DragEnter += new DragEventHandler(Form1_DragEnter);
this.DragDrop += new DragEventHandler(Form1_DragDrop);
}
void Form1_DragEnter(object sender, DragEventArgs e) {
if (e.Data.GetDataPresent(DataFormats.FileDrop)) e.Ef...
How do you create a read-only user in PostgreSQL?
...ted. More powerfully, you can automatically have default roles assigned to new objects in future:
ALTER DEFAULT PRIVILEGES IN SCHEMA public
GRANT SELECT ON TABLES TO xxx;
Note that by default this will only affect objects (tables) created by the user that issued this command: although it can a...
How to loop through all but the last item of a list?
...I would get the item after x. Is this possible?
– David Sykes
May 27 '09 at 9:19
3
- 1 I don't th...
Where is the warnings screen option in Android Studio?
I want to see warnings of my code in Android Studio, But i am unable to find the option to display warnings view. In case of eclipse we can see the warnings in the "Problems" view.
...
creating list of objects in Javascript
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Maybe you can create an array like this:
var myList = new Array();
myList.push('Hello');
myList.push('bye');
for (var i = 0; i < myList .length; i ++ ){
window.console.log(myList[i]);
}
...
How to hide close button in WPF window?
...")]
private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
Then put this code in the Window's Loaded event:
var hwnd = new WindowInteropHelper(this).Handle;
SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_SYSMENU);
And there you go: no more Clos...