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What does it mean for a data structure to be “intrusive”?

...to know about the list it is in, and inform it of changes. ORM-systems usually revolve around intrusive data structures, to minimize iteration over large lists of objects. For instance, if you retrieve a list of all the employees in the database, then change the name of one of them, and want to sav...
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How do I get the different parts of a Flask request's url?

...ributes would be the following: path /page.html script_root /myapplication base_url http://www.example.com/myapplication/page.html url http://www.example.com/myapplication/page.html?x=y url_root http://www.example.com/myapplication/ ...
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How to make ng-repeat filter out duplicate results

...sion of ui utils, you can just include ui.unique on its own. use bower install just for the module. – Learning stats by example Feb 11 '15 at 19:59 ...
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Rails 3 execute custom sql query without a model

... Maybe try this: ActiveRecord::Base.establish_connection(...) ActiveRecord::Base.connection.execute(...) share | improve this answer | follow ...
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What is the difference between concurrency and parallelism?

What is the difference between concurrency and parallelism? 37 Answers 37 ...
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How to call a parent class function from derived class function?

...disambiguate it by adding the base class's name followed by two colons base_class::foo(...). You should note that unlike Java and C#, C++ does not have a keyword for "the base class" (super or base) since C++ supports multiple inheritance which may lead to ambiguity. class left { public: void f...
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In Perl, how can I read an entire file into a string?

... before reading from the file handle. See How can I read in an entire file all at once?, or $ perldoc -q "entire file" See Variables related to filehandles in perldoc perlvar and perldoc -f local. Incidentally, if you can put your script on the server, you can have all the modules you want. See ...
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Select columns from result set of stored procedure

... Here's a link to a pretty good document explaining all the different ways to solve your problem (although a lot of them can't be used since you can't modify the existing stored procedure.) How to Share Data Between Stored Procedures Gulzar's answer will work (it is document...
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How do I pass a variable by reference?

...le type Let's try to modify the list that was passed to a method: def try_to_change_list_contents(the_list): print('got', the_list) the_list.append('four') print('changed to', the_list) outer_list = ['one', 'two', 'three'] print('before, outer_list =', outer_list) try_to_change_list_...
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When to use reinterpret_cast?

...time hence the word static . This is the cast the C++ compiler uses internally for implicit casts also. 11 Answers ...