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classical inheritance vs prototypal inheritance in javascript
...n: The representation of real world things in computer programs.
Theoretically an abstraction is defined as "a general concept formed by extracting common features from specific examples". However for the sake of this explanation we're going to use the aforementioned definition instead.
Now some o...
What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
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on vs2015 separating comma is essential in the template version:
template <typename T, typename ... U>
struct X<T(U...,...)> {};// this line is the important one
an example instantiation is:
X<int(...
Scala actors: receive vs react
...ead until it receives something. Once it receives something, a thread gets allocated to it, and it is initialized in it.
Now, the initialization part is important. A receiving thread is expected to return something, a reacting thread is not. So the previous stack state at the end of the last react ...
Visual Studio : short cut Key : Duplicate Line
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In Visual Studio 2017 (pre v15.6)
(edit) This feature is now built-in in VS2017: Ctrl + E, V duplicates a line if nothing is selected, or duplicates selection. You can assign it to a different key combination, or find it in the menu:
See this reference for more information.
Pre VS2017, built-i...
What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
... platforms, memory leaks are often caused by unreleased pointers. Traditionally, it has always been of utmost importance to check your allocs, copies and retains to make sure each has a corresponding release message.
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Static/Dynamic vs Strong/Weak
I see these terms bandied around all over the place in programming and I have a vague notion of what they mean. A search shows me that such things have been asked all over stack overflow in fact. As far as I'm aware Static/Dynamic typing in languages is subtly different to Strong/Weak typing but wha...
How can I get `find` to ignore .svn directories?
...you look at ack ? It's a source-code aware find, and as such will automatically ignore many file types, including source code repository info such as the above.
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Code First: Independent associations vs. Foreign key associations?
...ays generate entity references. If you don't want to use them you must manually modify the EDMX file and add properties representing FKs. At least this was the case in Entity Framework v1 where only Independent associations were allowed.
Entity framework v4 offers a new type of association called F...
Difference between scaling horizontally and vertically for databases [closed]
...ses and scalability is one of them. What is the difference between horizontally and vertically scaling these databases?
10 ...
$(window).scrollTop() vs. $(document).scrollTop()
... window, be specific. Here's an example jsfiddle.net/7VRvj/4. Check it in all browsers and let me know which browser it's not working on.
– Hussein
Mar 20 '11 at 20:57
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