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Generic method multiple (OR) type constraint
...then everything is super clear and easy to read. I could come, four years from now and read your code and easily understand what's going on.
Which you choose depends on how complicated choice 1 and 2 would be and how extensible it needs to be.
So for your specific situation I'm going to imagine ...
Printing without newline (print 'a',) prints a space, how to remove?
...llows you to set an end parameter. You can use it in >=2.6 by importing from __future__. I'd avoid this in any serious 2.x code though, as it will be a little confusing for those who have never used 3.x. However, it should give you a taste of some of the goodness 3.x brings.
>>> from __...
Method call if not null in C#
...
From C# 6 onwards, you can just use:
MyEvent?.Invoke();
or:
obj?.SomeMethod();
The ?. is the null-propagating operator, and will cause the .Invoke() to be short-circuited when the operand is null. The operand is only ac...
Calculate size of Object in Java [duplicate]
...eat example, which I'll repost here, but you should have already looked at from his comment:
import java.lang.instrument.Instrumentation;
public class ObjectSizeFetcher {
private static Instrumentation instrumentation;
public static void premain(String args, Instrumentation inst) {
...
What is std::promise?
...td::future is an asynchronous return object ("an object that reads results from a shared state") and a std::promise is an asynchronous provider ("an object that provides a result to a shared state") i.e. a promise is the thing that you set a result on, so that you can get it from the associated futu...
Uses of content-disposition in an HTTP response header
...have found the following asp.net code to be very useful when serving files from a database:
6 Answers
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What is eager loading?
... I could add that these terms are generally used (and maybe come from?) in the context of a ORM (Object Relational Mapper), where you map an object to a table in a relational database.
– Loki
Aug 19 '09 at 11:44
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promise already under evaluation: recursive default argument reference or earlier problems?
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As already mentioned, the problem comes from having a function argument defined as itself. However, I want to add an explanation of why this is a problem because understanding that led me to an easier (for me) way to avoid the problem: just specify the argument in ...
libpng warning: iCCP: known incorrect sRGB profile
...ions. You can ignore the warning. To get rid of it, remove the iCCP chunk from the PNG image.
Some applications treat warnings as errors; if you are using such an application you do have to remove the chunk. You can do that with any of a variety of PNG editors such as ImageMagick's
convert in.pn...
Visual Studio keyboard shortcut to automatically add the needed 'using' statement
...LL file, then ReSharper is able to see that the TestFixtureAttribute comes from that DLL file, so it will automatically add that assembly reference to your new project.
And it also adds required namespaces for extension methods. At least the ReSharper version 5 beta does. I'm pretty sure that Visua...