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Are there benefits of passing by pointer over passing by reference in C++?
...fy the parameter and the value is easy to copy (ints, doubles, char, bool, etc... simple types. std::string, std::vector, and all other STL containers are NOT simple types.)
Pass by const pointer when the value is expensive to copy AND the function does not want to modify the value pointed to AND ...
Create a tar.xz in one command
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Given the ordering is important with the dash, it's probably best to assume the ordering is always important, and put the f last, even without the dash.
– mwfearnley
Aug 24 '16 at 14:53
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Size of Matrix OpenCV
...e, here 2 for z axis, 3 for y axis, 4 for x axis.
By x, y, z, it means the order of the dimensions. x index changes the fastest.
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What is the best open-source java charting library? (other than jfreechart) [closed]
...t in return which you could futher customize, i.e. add a title, gridlines, etc...
– fccoelho
Nov 6 '08 at 8:08
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Print all the Spring beans that are loaded
...ble in the container. You can autowire them using @Auwired Environment env etc. stackoverflow.com/a/54863282/1840774
– Velu
Feb 25 '19 at 10:00
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...STINCT(*)", :conditions => ["date > #{self.date}"], :limit => 1, :order => 'date', :group => "date").show_generated_sql and have this call the construct_finder_sql method.
– rswolff
Aug 28 '09 at 17:02
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Type-juggling and (strict) greater/lesser-than comparisons in PHP
...tors deviate from the computer-scientific definitions in several ways:
In order to constitute an equivalence relation == has to be reflexive, symmetric and transitive:
PHP's == operator is not reflexive, i.e. $a == $a is not always true:
var_dump(NAN == NAN); // bool(false)
Note: The fact that...
How can you do paging with NHibernate?
...ed to execute a separate transaction for retrieving the total row count in order to render your pager.
– Kevin Pang
Jan 7 '09 at 0:44
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Getting started with Haskell
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I'm going to order this guide by the level of skill you have in Haskell, going from an absolute beginner right up to an expert. Note that this process will take many months (years?), so it is rather long.
Absolute Beginner
Firstly, Haskel...
Exotic architectures the standards committees care about
...here: both are 36 bits. But the byte selector in the char* is on the high order bits, and is ignored in int*. (I've used other machines, however, where `sizeof(char*) > sizeof(int*).)
– James Kanze
Aug 7 '11 at 22:51
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