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throw Error('msg') vs throw new Error('msg')
...this is explicitly stated in the specification:
... Thus the function call Error(…) is equivalent to the object creation expression new Error(…) with the same arguments.
share
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improve thi...
map vs. hash_map in C++
...tied to that key.
map is implemented as a balanced binary search tree (usually a red/black tree).
An unordered_map should give slightly better performance for accessing known elements of the collection, but a map will have additional useful characteristics (e.g. it is stored in sorted order, which...
Named routes _path vs _url
...01346#221052
and, here:
http://viget.com/extend/rails-named-routes-path-vs-url
You can also take a look at the relevant section of the HTTP specification here:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.30
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技术人员如何创业《四》- 打造超强执行力团队 - 资讯 - 清泛网 - 专注C/C++...
...点的项目。每一个项目都必须要把设计文档写出来，并且开发后的东西刚开始必须要审核，审核通过后才能发布。这样团队成员在这样的发展中逐步成长起来，也完成了公司的产品。不过作为导师和技术总监也需要给每一个新员...
HTML input - name vs. id [duplicate]
... is the difference between the use of the name and id attributes especially that I found that they are sometimes named the same?
...
Macro vs Function in C
...uct webpage page;
page.numButtons = 2;
num_button_holes(page) -> 8
Finally, macros can be difficult to debug, producing weird syntax errors or runtime errors that you have to expand to understand (e.g. with gcc -E), because debuggers cannot step through macros, as in this example:
#define prin...
Stateless vs Stateful - I could use some concrete information
...programming. I'm interested because I want to learn more about it, but I really can't find any good articles about it. I've read dozens of articles on the web which vaguely discuss the subject, or they're talking about web servers and sessions - which are also 'bout stateful vs stateless, but I'm in...
URLs: Dash vs. Underscore [closed]
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Reasonable guess, but as it turns out, totally untrue. -1.
– Mark Amery
Feb 4 '15 at 23:29
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Are list-comprehensions and functional functions faster than “for loops”?
...ike map() , filter() and reduce() faster than a for loop? Why, technically, they run in a C speed , while the for loop runs in the python virtual machine speed ?.
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assertEquals vs. assertEqual in python
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I think this was tension between the "only one obvious way to do it" vs. "alias to make the overall code flow semantically". Personally I found I like to read
failIf(some_condition)
over
assertFalse(some_condition)
but liked
assertEqual(a, b)
over the other two (assertEquals(a, b) b...