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What is the volatile keyword useful for?
...ticle on a Singleton Pattern has changed a lot since and doesn't feature said volatile example any longer. It can be found in an archived version.
– bskp
Sep 23 '16 at 12:26
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Why Func instead of Predicate?
...ators. As of .net 3.5, about using Func<T> and Action<T> the guideline states:
Do use the new LINQ types Func<> and
Expression<> instead of custom
delegates and predicates
share
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...
Map function in MATLAB?
...lse)
ans =
'A' 'B' 'C'
If 'UniformOutput' is true (or not provided), it will attempt to concatenate the results according to the dimensions of the cell array, so
cellfun(@upper, {'a', 'b', 'c'})
ans =
ABC
shar...
Can I control the location of .NET user settings to avoid losing settings on application upgrade?
...w the msi can be installed, and if it upgrades, overwrites, or installs beside any other version of the same application.
For instance, if you have two versions of your software and they have different 'upgrade' codes, then to windows they are completely different pieces of software regardless of...
Why not abstract fields?
...int in that. You can move the function to the abstract class and just override some protected field. I don't know if this works with constants but the effect is the same:
public abstract class Abstract {
protected String errorMsg = "";
public String getErrMsg() {
return this.errorM...
Android: Difference between Parcelable and Serializable?
Why does Android provide 2 interfaces for serializing objects? Do Serializable objects interopt with Android Binder and AIDL files?
...
What is the difference between mocking and spying when using Mockito?
...mailing list, partial mock support was added to Mockito. Previously we considered partial mocks as code smells. However, we found a legitimate use case for partial mocks.
Before release 1.8 spy() was not producing real partial mocks and it was confusing for some users. Read more about spying: here o...
Why doesn't C# support the return of references?
...blog on June 23rd 2011. Thanks for the great question!
The C# team is considering this for C# 7. See https://github.com/dotnet/roslyn/issues/5233 for details.
UPDATE: The feature made it in to C# 7!
You are correct; .NET does support methods that return managed references to variables. .NET als...
How to append text to a text file in C++?
...s created if it doesn't exist and also adds bit of error checks.
static void appendLineToFile(string filepath, string line)
{
std::ofstream file;
//can't enable exception now because of gcc bug that raises ios_base::failure with useless message
//file.exceptions(file.exceptions() | std:...
Coroutine vs Continuation vs Generator
... realising it. Exceptions, for instance, can be thought of as a kind of inside-out continuation. I'll give you a Python based pseudocode example of a continuation.
Say Python had a function called callcc(), and this function took two arguments, the first being a function, and the second being a lis...