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How to get the current directory in a C program?

...is program is written for UNIX computers. I've been looking at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me. ...
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shared_ptr to an array : should it be used?

...r delete p, when T is not an array type, shall have well-defined behavior, and shall not throw exceptions. ... Remarks: When T is an array type, this constructor shall not participate in overload resolution unless the expression delete[] p is well-formed and either T is U[N] and Y(*)[N] is conve...
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Is there a 'foreach' function in Python 3?

... It's not map(), because map() accumulates and returns a list, while foreach() doesn't. The difference could be quite expensive if you're iterating over a long list of items. Agreed that for() does the trick. – Canuck Apr 8 '15 ...
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How do I deep copy a DateTime object?

Now $date1 and $date2 contain the same date -- three years from now. I'd like to create two separate datetimes, one which is parsed from a string and one with three years added to it. Currently I've hacked it up like this: ...
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What specific productivity gains do Vim/Emacs provide over GUI text editors?

...ing configuration files while in my terminal), but I don't think I could stand it for my normal, every day work of writing web applications, which I do with a GUI text editor (which one isn't important). ...
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Is there a pattern for initializing objects created via a DI container

I am trying to get Unity to manage the creation of my objects and I want to have some initialization parameters that are not known until run-time: ...
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How can I check whether a numpy array is empty or not?

...an always take a look at the .size attribute. It is defined as an integer, and is zero (0) when there are no elements in the array: import numpy as np a = np.array([]) if a.size == 0: # Do something when `a` is empty ...
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$(window).scrollTop() vs. $(document).scrollTop()

... @d2burke scrollTop() is a getter and scrollTop(value) is a setter. scrollTop() without arguments does not change the scroll position. – user1107907 Feb 19 '15 at 22:20 ...
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How do I get elapsed time in milliseconds in Ruby?

... add a to_i and you have it as an integer, eg: ((finish - start) * 1000.0).to_i – Travis Reeder Dec 8 '10 at 6:14 ...
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How to Import .bson file format on mongodb

I've exported the database on the server using mongodump command and dump is stored in .bson file. I need to import that in my local server using mongorestore command. However it's not working. What is the correct mongorestore command and what are the other tools to restore db ? ...