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Java Pass Method as Parameter
I am looking for a way to pass a method by reference. I understand that Java does not pass methods as parameters, however, I would like to get an alternative.
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Check if a given key already exists in a dictionary
...anted to always ensure a default value for any key you can either use dict.setdefault() repeatedly or defaultdict from the collections module, like so:
from collections import defaultdict
d = defaultdict(int)
for i in range(100):
d[i % 10] += 1
but in general, the in keyword is the best way...
Is there a combination of “LIKE” and “IN” in SQL?
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But it's uglier than a set of OR statements
– Fandango68
Jul 5 '18 at 1:23
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How to repeat a string a variable number of times in C++?
I want to insert 'n' spaces (or any string) at the beginning of a string in C++. Is there any direct way to do this using either std::strings or char* strings?
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How much is the overhead of smart pointers compared to normal pointers in C++?
How much is the overhead of smart pointers compared to normal pointers in C++11? In other words, is my code going to be slower if I use smart pointers, and if so, how much slower?
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Shell command to sum integers, one per line?
I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers.
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Creating Unicode character from its number
I want to display a Unicode character in Java. If I do this, it works just fine:
13 Answers
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How to crop an image using C#?
How can I write an application that will crop images in C#?
14 Answers
14
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What do the result codes in SVN mean?
What do the result codes in SVN mean? I need a quick reference.
9 Answers
9
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What is PECS (Producer Extends Consumer Super)?
I came across PECS (short for Producer extends and Consumer super ) while reading up on generics.
14 Answers
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