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Interface vs Abstract Class (general OO)
...nterviews where I've been asked about the differences between an Interface and an Abstract class. I have explained every aspect of them I could think of, but it seems they are waiting for me to mention something specific, and I don't know what it is.
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How can I make an svg scale with its parent container?
...cale when size is non-native. Of course I could have it as a separate file and scale it like that.
7 Answers
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Define global variable in a JavaScript function
...object. (In the latest specification, ECMAScript 2015, the new let, const, and class statements at global scope create globals that aren't properties of the global object; a new concept in ES2015.)
(There's also the horror of implicit globals, but don't do it on purpose and do your best to avoid do...
How to remove files and directories quickly via terminal (bash shell) [closed]
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+1 and glad you added the "Be careful!" part... definitely a "Sawzall" command that can quickly turn a good day into a bad one.. if wielded carelessly.
– itsmatt
Apr 15 '10 at 1:30
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Why do Lua arrays(tables) start at 1 instead of 0?
I don't understand the rationale behind the decision of this part of Lua. Why does indexing start at 1? I have read (as many others did) this great paper . It seems to me a strange corner of a language that is very pleasant to learn and program. Don't get me wrong, Lua is just great but there has t...
Will Emacs make me a better programmer? [closed]
...re-paying the start-up cost of learning how to modify it to suit my needs, and modifying myself to its needs.
But other people do things differently, and as they say "That's OK".
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Why do enum permissions often have 0, 1, 2, 4 values?
Why are people always using enum values like 0, 1, 2, 4, 8 and not 0, 1, 2, 3, 4 ?
7 Answers
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What are the advantages of NumPy over regular Python lists?
... single-precision floats in the cells would fit in 4 MB. Access in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you definitely would for a billion cells -- neither approach would fit in a 32-bit architecture, but with 64-bit build...
What is a sealed trait?
...only extended in a single file, the compiler knows every possible subtypes and can reason about it.
For instance with the declaration:
sealed trait Answer
case object Yes extends Answer
case object No extends Answer
The compiler will emit a warning if a match is not exhaustive:
scala> val x:...
UltiSnips and YouCompleteMe
I have bundles ultisnips and youcompleteme installed on my macvim.
The problem is that ultisnips doesn't work because tab is bound by ycm.
I tried putting let g:UltiSnipsExpandTrigger = "<s-tab>" so that I can trigger the snippet completion with shift-tab, but it doesn't work for some unknow...