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Pass Method as Parameter using C#
...//... do stuff
int i = myMethodName("My String");
//... do more stuff
return true;
}
public bool Test()
{
return RunTheMethod(Method1);
}
}
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Iterating through a range of dates in Python
...xplicit incrementation of some counter or value. The interation pattern is more pythonic (at least in my personal view) and also more general, as it allows to express an iteration while hiding the details of how that iteration is done.
– Ber
Jun 30 '09 at 9:57
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Message Queue vs Message Bus — what are the differences?
...rs on new messages (effectively a "push" model). MQ, on the other hand, is more of a "pull" model, where consumers pull messages off a queue.
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Difference between Key, Primary Key, Unique Key and Index in MySQL
...have to go through all the records of the table: this is slow, because the more records you have in your database, the more work it has to do to find the result. On the other hand, an index will help the database skip quickly to the relevant pages where the 'Smith' records are held. This is very sim...
Heavy usage of Python at Google [closed]
... latency and/or tight control of memory were crucial, and Python, allowing more rapid delivery and maintenance of programs, for other parts. At the time, late '90s, the choice for the latter role was essentially between Python and Perl: other scripting languages were either unripe (I don't think Ru...
What is PECS (Producer Extends Consumer Super)?
... that takes as its parameter a collection of things, but you want it to be more flexible than just accepting a Collection<Thing>.
Case 1: You want to go through the collection and do things with each item.
Then the list is a producer, so you should use a Collection<? extends Thing>.
Th...
Can someone give an example of cosine similarity, in a very simple, graphical way?
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Here are two very short texts to compare:
Julie loves me more than Linda loves me
Jane likes me more than Julie loves me
We want to know how similar these texts are, purely in terms of word counts (and ignoring word order). We begin by making a list of the words from both texts:
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Why is reading lines from stdin much slower in C++ than Python?
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tl;dr: Because of different default settings in C++ requiring more system calls.
By default, cin is synchronized with stdio, which causes it to avoid any input buffering. If you add this to the top of your main, you should see much better performance:
std::ios_base::sync_with_stdio(fal...
List comprehension vs map
...map() over list comprehension or vice versa? Is either of them generally more efficient or considered generally more pythonic than the other?
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How to assign from a function which returns more than one value?
...ingTwoValues()[[2]] would be sufficient.)
See the cited r-help thread for more examples.
(2) with If the intent is merely to combine the multiple values subsequently and the return values are named then a simple alternative is to use with :
myfun <- function() list(a = 1, b = 2)
list[a, b] &...