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What is the preferred/idiomatic way to insert into a map?
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function.insert(std::map<int, int>::value_type(0, 42));
but much more concise and readable. As other answers have noted, this has several advantages over the other forms:
The operator[] approach requires the mapped type to be assignable, which isn't always the case.
The operator[] approa...
Python: Find in list
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Your "finding first occurrence" example is golden. Feels more pythonic than the [list comprehension...][0] approach
– acjay
Mar 3 '13 at 15:52
4
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Function pointers, Closures, and Lambda
...ok at Dave Hanson's C Interfaces and Implementations. Technique #2, which more closely resembles what happens in native-code compilers for functional languages, also resembles another familiar technique... C++ objects with virtual member functions. The implementations are almost identical.
This o...
Colorized grep — viewing the entire file with highlighted matches
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It appears that the "$" is needed if matching more than a one pattern. egrep --color "pattern1|pattern2|$". Otherwise the color highlighting does not happen.
– ZaSter
Sep 19 '13 at 0:10
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All but last element of Ruby array
...s all over the place, you always have the option of adding a method with a more friendly name to the Array class, like DigitalRoss suggested. Perhaps like this:
class Array
def drop_last
self[0...-1]
end
end
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How does OAuth 2 protect against things like replay attacks using the Security Token?
... I could just show up at the bakery and I didn't have to go to the bank anymore. I could even order the donut by phone if I wanted to.
Of course I'd never do that -- that donut was disgusting.
I wonder if this approach has broader applications. He mentioned this was his second approach, I could ca...
how to make twitter bootstrap submenu to open on the left side?
...ve dropdown menu in the top right corner of the page and that menu has one more submenu. However, when submenu opens - it does not fit in the window and goes too much to the right, so that user can see only first letters. How to make that submenu to open not to the right, but to the left?
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Setting default values for columns in JPA
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What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
... is speed. Sublime Text 2, which people claim is buggy and unstable ( 3 is more stable ), is still amazingly fast. If you use it, you will realize how fast it is.
Sublime Text 2 has some neat features like multi cursor input, multiple selections etc that will make you immensely productive.
Good n...