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C++ auto keyword. Why is it magic?
...ever(T t) {
// point A
};
At point A, a type has been assigned to T based on the value passed for the parameter to whatever. When you do auto x = initializer;, the same type deduction is used to determine the type for x from the type of initializer that's used to initialize it.
This means th...
Git diff against a stash
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If the branch that your stashed changes are based on has changed in the meantime, this command may be useful:
git diff stash@{0}^!
This compares the stash against the commit it is based on.
...
How do I include a file over 2 directories back?
...directory/file');
DOCUMENT_ROOT is a server variable that represents the base directory that your code is located within.
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JSTL in JSF2 Facelets… makes sense?
... component is during view render time being reused to generate HTML output based on current iteration round:
<span id="items:0:item">value1</span>
<span id="items:1:item">value2</span>
<span id="items:2:item">value3</span>
Note that the <ui:repeat> as bei...
Fastest way to check a string contain another substring in JavaScript?
... Short version: indexOf() is the fastest of all methods, but this may vary based on string length and any repeating patterns.
– Byson
Dec 22 '14 at 15:04
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Is there a method to generate a UUID with go language
...andom UUIDs from ones generated via other algorithms (e.g. version 1 UUIDs based on your MAC address and time).
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Is there a pattern for initializing objects created via a DI container
...ew times in environments where I am dynamically creating ViewModel objects based on Model objects (outlined really well by this other Stackoverflow post).
I liked how the Ninject extension which allows you to dynamically create factories based on interfaces:
Bind<IMyFactory>().ToFactory();...
Difference between std::system_clock and std::steady_clock?
...The implementation of steady_clock has changed [.....] steady_clock is now based on QueryPerformanceCounter() and high_resolution_clock is now a typedef for steady_clock. Quoted from msdn.microsoft.com/en-us/library/hh874757.aspx
– felix-b
Jan 14 '18 at 10:29
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Multiple Inheritance in C#
...ed questions are ones like:- "What do you do when you have multiple common base classes in the different superclasses?
Perl is the only language I've ever worked with where MI works and works well. .Net may well introduce it one day but not yet, the CLR does already support MI but as I've said, the...
Rails migration for has_and_belongs_to_many join table
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Where:
class Teacher < ActiveRecord::Base
has_and_belongs_to_many :students
end
and
class Student < ActiveRecord::Base
has_and_belongs_to_many :teachers
end
for rails 4:
rails generate migration CreateJoinTableStudentTeacher student teacher
fo...