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Clone() vs Copy constructor- which is recommended in java [duplicate]
...and functions to only accept classes that implement Cloneable, then simply call clone(). Without it, I don't believe there is a (good) way to enforce that and you would likely resort to reflection to discover a class's copy constructor. That also makes the assumption that if Foo has a constructor th...
Efficient way to return a std::vector in c++
...turn value (by value) is: instead of 'been moved', the return value in the callee is created on the caller's stack, so all operations in the callee are in-place, there is nothing to move in RVO. Is that correct?
– r0ng
Sep 5 '18 at 5:59
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How to select option in drop down protractorjs e2e tests
...lly wrote a helper function that selects dropdown values.
I eventually decided that I was fine selecting by option number, and therefore wrote a method that takes an element and the optionNumber, and selects that optionNumber. If the optionNumber is null it selects nothing (leaving the dropdown un...
Animate change of view background color on Android
...ion.startTransition(transitionTime);
Or run the transition in reverse by calling:
transition.reverseTransition(transitionTime);
See Roman's answer for another solution using the Property Animation API, which wasn't available at the time this answer was originally posted.
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undefined reference to `WinMain@16'
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Building without that semi-documented flag one would have to more specifically tell the linker which subsystem value one desires, and some Windows API import libraries will then in general have to be specified explicitly:
C:\test> gnuc x.cpp -Wl,-subsystem,windows
C:\test> objdump -x a.ex...
Deep null checking, is there a better way?
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Without the dot it becomes syntactically ambiguous with the conditional (A?B:C) operator. We try to avoid lexical constructs that require us to "look ahead" arbitrarily far in the token stream. (Though, unfortunately, there already are such constructs in C#; w...
Git diff says subproject is dirty
... For me, I had to go into each dirty submodule and run git clean -id.
– GDP2
Nov 13 '17 at 15:45
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Best way to change the background color for an NSView
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@Patrick - You might need to call super drawRect :) or if you have some other things that are supposed to be drawn on top of the background, make sure that they are after the NSRectFill call.
– BadPirate
Apr 26 '13 ...
PHP - how to best determine if the current invocation is from CLI or web server?
...epends on checking against many possible values. The php-cgi binary can be called from the command line, from a shell script or as a cron job and (in most cases) these should also be treated as 'cli' but php_sapi_name() will return different values for these (note that this isn't the case with the p...
What is N-Tier architecture?
...esentation, the application
processing and the data management are
logically separate processes. For
example, an application that uses
middleware to service data requests
between a user and a database employs
multi-tier architecture. The most
widespread use of "multi-tier
architectur...