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When should one use a spinlock instead of mutex?
... also note that on certain environments and conditions (such as running on windows on dispatch level >= DISPATCH LEVEL), you cannot use mutex but rather spinlock.
On unix - same thing.
Here is equivalent question on competitor stackexchange unix site:
https://unix.stackexchange.com/questions/510...
Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
...on .
The Solution!
Just add the following expression in a Quick Watch window and click Reevaluate.
((System.Data.Entity.Validation.DbEntityValidationException)$exception).EntityValidationErrors
In my case, see how I am able to expand into the ValidationErrors List inside the EntityValidationE...
How do I list all loaded assemblies?
...bugging or Debug > Attach to process)
While debugging, show the Modules window (Debug > Windows > Modules)
This gives details about each assembly, app domain and has a few options to load symbols (i.e. pdb files that contain debug information).
Using Process Explorer
If you want an ex...
Android DialogFragment vs Dialog
...DialogFragment:
A DialogFragment is a fragment that displays a dialog window, floating on top of its
activity's window. This fragment contains a Dialog object, which it
displays as appropriate based on the fragment's state. Control of the
dialog (deciding when to show, hide, dismiss it) s...
“PKIX path building failed” and “unable to find valid certification path to requested target”
...opy the new one in and BOOM! it just works.
Note that I actually copied a Windows cacerts file onto a Linux installation and it worked just fine.
The file is located in jre/lib/security/cacerts in both the old and new Java jdk installations.
Hope this saves someone else hours of aggravation.
...
Best practices for in-app database migration for Sqlite
... MBProgressHUD *hud = [[MBProgressHUD alloc] initWithView:self.view.window];
[self.view.window addSubview:hud];
hud.removeFromSuperViewOnHide = YES;
hud.graceTime = 0.2;
hud.minShowTime = 0.5;
hud.labelText = @"Upgrading data";
hud.taskInProgres...
How can I delete Docker's images?
...
The windows powershell equivalent is docker images -q | %{docker rmi -f $_}
– BeatingToADifferentRobot
Jun 28 '16 at 21:17
...
How to put a UserControl into Visual Studio toolBox
...option to stop the toolbox auto populating!
Go to Tools > Options > Windows Forms Designer > General
At the bottom of the list you'll find Toolbox > AutoToolboxPopulate which on a fresh install defaults to False. Set it true and then rebuild your solution.
Hey presto they user contro...
PHP memory profiling
...erminal and launch:
pprof --web /tmp/profile.heap
pprof will create a new window in your existing browser session with something like shown below:
Xhprof + Xhgui (the best in my opinion to profile both cpu and memory)
With Xhprof and Xhgui you can profile the cpu usage as well or just the memory u...
Show DialogFragment with animation growing from a point
...mTheme" parent="@android:style/Theme.Panel">
<item name="android:windowAnimationStyle">@style/MyAnimation.Window</item>
</style>
<style name="MyAnimation.Window" parent="@android:style/Animation.Activity">
<item name="android:windowEnterAnimation">@anim/ani...