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Mutex example / tutorial? [closed]
...re guranteed to be atomic. A classic example of such an instruction is the test-and-set (TAS). When trying to acquire a lock on a resource, we might use the TAS might check to see if a value in memory is 0. If it is, that would be our signal that the resource is in use and we do nothing (or more acc...
Unique ways to use the Null Coalescing operator [closed]
...t you can easily convert nullable value types to non-nullable types:
int? test = null;
var result = test ?? 0; // result is int, not int?
I frequently use this in Linq queries:
Dictionary<int, int?> PurchaseQuantities;
// PurchaseQuantities populated via ASP .NET MVC form.
var totalPurchas...
Auto layout constraints issue on iOS7 in UITableViewCell
... before adding the constraints to my content view.
– testing
Nov 11 '14 at 13:10
...
Java: Detect duplicates in ArrayList?
...- it just needs to be consistent with your definition of equality), the fastest duplicate removal solution is going to sort the list ( 0(n log(n)) ) then to do a single pass and look for repeated elements (that is, equal elements that follow each other) (this is O(n)).
The overall complexity is goi...
Unix tail equivalent command in Windows Powershell
... documented well in v2.
Here is an example
Get-Content -Path "C:\scripts\test.txt" -Wait
Once you run this, update and save the file and you will see the changes on the console.
share
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improve ...
window.location.reload with clear cache [duplicate]
...avaScript but I want to clear cache too, so on page refresh the page has latest versions of everything from server.
Other browsers except IE are not getting latest content.
...
Returning binary file from controller in ASP.NET Web API
...rsion, string environment,
string filetype)
{
var path = @"C:\Temp\test.exe";
HttpResponseMessage result = new HttpResponseMessage(HttpStatusCode.OK);
var stream = new FileStream(path, FileMode.Open, FileAccess.Read);
result.Content = new StreamContent(stream);
result.Content...
Force drop mysql bypassing foreign key constraint
...technical_specification`, `pwishlist`, `role_perms`, `roles`, `settings`, `test`, `testanother`, `user_perms`, `user_roles`, `users`, `wishlist`; |
+-------------------------------------------------------------------------------------------------------------------------------------------------------...
How to check if a number is a power of 2
...t examples. e.g. Isolate the rightmost 1-bit with y = x & (-x). This test is just a special case of clearing the lowest set bit.
– Peter Cordes
Sep 18 at 18:34
add a com...
Opening the Settings app from another app
...
YES!! you can launch Device Settings screen, I have tested on iOS 9.2
Step 1. we need to add URL schemes
Go to Project settings --> Info --> URL Types --> Add New URL Schemes
Step 2. Launch Settings programmatically Thanks to @davidcann
[[UIApplication sharedApp...