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'is' versus try cast with null check
...// only one cast
if (myObjRef != null)
{
// myObjRef is already MyType and doesn't need to be cast again
...
}
C# 7.0 supports a more compact syntax using pattern matching:
if (myObj.myProp is MyType myObjRef)
{
...
}
...
Git error when trying to push — pre-receive hook declined
When I try and push a change I've commited, I get the following error ...
27 Answers
2...
Square retrofit server mock for testing
...Requests for Testing
As the old mechanisms like creating MockClient class and implementing it from Client are not working anymore with Retrofit 2.0, here I describe a new way of doing that. All what you need to do now is to add your custom interceptors for OkHttpClient like it is shown below. FakeI...
How to perform static code analysis in php? [closed]
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Run php in lint-mode from the command line to validate syntax without execution:
php -l FILENAME
Higher-level static analyzers include:
php-sat - Requires http://strategoxt.org/
PHP_Depend
PHP_CodeSniffer
PHP Mess Detector
PHPStan
PHP-CS-Fixer
phan
Lowe...
How do I use LINQ Contains(string[]) instead of Contains(string)
...hod the sense of it would be wrong.
[EDIT]
Unless you changed it around and wrote it for string[] as Mitch Wheat demonstrates, then you'd just be able to skip the conversion step.
[ENDEDIT]
Here is what you want, if you don't do the extension method (unless you already have the collection of ...
Where can I find the “clamp” function in .NET?
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Where would I put this and is calling CompareTo slower than comparing with < (for integral types)?
– Danvil
Apr 21 '10 at 13:55
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How do I reattach to a detached mosh session?
...-
Mosh: You have a detached Mosh session on this server (mosh [12345]).
And can run this command:
kill 12345
Also, to close all mosh connections you can:
kill `pidof mosh-server`
Note that if you are currently connected via mosh, this last command will also disconnect you.
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Spring @Transactional - isolation, propagation
...nce characteristics in a multi-threaded application. I think if you understand the dirty reads concept you will be able to select a good option.
Example of when a dirty read can occur:
thread 1 thread 2
| |
write(x) |
| |
| read(x)
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Find unique rows in numpy.array
...
+1 This is clear, short and pythonic. Unless speed is a real issue, these type of solutions should take preference over the complex, higher voted answers to this question IMO.
– Bill Cheatham
Apr 30 '14 at 13:3...
Is there a way to detect if an image is blurry?
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Yes, it is. Compute the Fast Fourier Transform and analyse the result. The Fourier transform tells you which frequencies are present in the image. If there is a low amount of high frequencies, then the image is blurry.
Defining the terms 'low' and 'high' is up to you.
E...