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Error-Handling in Swift-Language
...nse.Error("Out of cheese.")
switch success {
case let .Result(sunrise, sunset):
let serverResponse = "Sunrise is at \(sunrise) and sunset is at \(sunset)."
case let .Error(error):
let serverResponse = "Failure... \(error)"
}
From: Apple Inc. “The Swift Programming Language.” iBooks. ...
In C++, what is a virtual base class?
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Virtual base classes, used in virtual inheritance, is a way of preventing multiple "instances" of a given class appearing in an inheritance hierarchy when using multiple inheritance.
Consider the following scenario:
class A { public: void Foo() {} };
class B : public A {};
class C : ...
Deep null checking, is there a better way?
Note: This question was asked before the introduction of the .? operator in C# 6 / Visual Studio 2015 .
16 Answers
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Split a module across several files
I want to have a module with multiple structs in it, each in its own file. Using a Math module as an example:
5 Answers...
Removing item from vector, while in C++11 range 'for' loop?
... answered Apr 28 '12 at 4:02
Seth CarnegieSeth Carnegie
68.6k1717 gold badges166166 silver badges235235 bronze badges
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Default value of a type at Runtime [duplicate]
...ains the default value for its Type. I also rely on the following IsObjectSetToDefault method for that purpose:
/// <summary>
/// [ <c>public static bool IsObjectSetToDefault(this Type ObjectType, object ObjectValue)</c> ]
/// <para></para>
/// Reports...
How to check if a line is blank using regex
I am trying to make simple regex that will check if a line is blank or not.
7 Answers
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Makefile, header dependencies
...ion).
Note there seems to be a bug in gcc regarding the -o option. If you set the object filename to say obj/_file__c.o then the generated file.d will still contain file.o, not obj/_file__c.o.
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How can a LEFT OUTER JOIN return more records than exist in the left table?
...ULLs. (b) every of N rows matches all of M rows, then result is N x M rows set.
– topchef
Sep 26 '13 at 16:12
1
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Convert Data URI to File then append to FormData
I've been trying to re-implement an HTML5 image uploader like the one on the Mozilla Hacks site, but that works with WebKit browsers. Part of the task is to extract an image file from the canvas object and append it to a FormData object for upload.
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