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How to upgrade PowerShell version from 2.0 to 3.0
...t is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0?
7 Answers
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Node.js version on the command line? (not the REPL)
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Feb 15 '13 at 4:58
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How to sum all column values in multi-dimensional array?
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edited Mar 4 at 22:23
answered Sep 30 '09 at 8:04
Chr...
How to sum up elements of a C++ vector?
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Actually there are quite a few methods.
int sum_of_elems = 0;
C++03
Classic for loop:
for(std::vector<int>::iterator it = vector.begin(); it != vector.end(); ++it)
sum_of_elems += *it;
Using a standard algorithm:
#include <numeric>
sum_of_elems = std::accumulate(ve...
How do I get the full path of the current file's directory?
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1763
Python 3
For the directory of the script being run:
import pathlib
pathlib.Path(__file__).pare...
__FILE__, __LINE__, and __FUNCTION__ usage in C++
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edited Mar 13 '17 at 13:15
answered Feb 27 '09 at 23:28
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...eir queries directly. It is private API so there is a huge risk that Rails 3 will totally break it, but for debugging, it is an ok solution.
The method is construct_finder_sql(options) (lib/active_record/base.rb:1681) you will have to use send because it is private.
Edit: construct_finder_sql was...
CSS: Setting width/height as Percentage minus pixels
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923
I realise this is an old post, but given that it hasn't been suggested it is worth mentioning th...
Writing Unicode text to a text file?
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323
Deal exclusively with unicode objects as much as possible by decoding things to unicode object...
Python: Continuing to next iteration in outer loop
...ing slow
– pmccallum
Feb 16 '17 at 23:27
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To me, using Exceptions is a good way of achieving thi...