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How to access outer class from an inner class?
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The methods of a nested class cannot directly access the instance attributes of the outer class.
Note that it is not necessarily the case that an instance of the outer class exists even when you have created an instance of the inner class.
In fact, it is often recommended agains...
What do the terms “CPU bound” and “I/O bound” mean?
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It's pretty intuitive:
A program is CPU bound if it would go faster if the CPU were faster, i.e. it spends the majority of its time simply using the CPU (doing calculations). A program that computes new digits of π will typically be CP...
Pointer to class data member “::*”
I came across this strange code snippet which compiles fine:
15 Answers
15
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How do I find the width & height of a terminal window?
As a simple example, I want to write a CLI script which can print = across the entire width of the terminal window.
9 Ans...
Where does gcc look for C and C++ header files?
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`gcc -print-prog-name=cc1plus` -v
This command asks gcc which C++ preprocessor it is using, and then asks that preprocessor where it looks for includes.
You will get a reliable answer for your specific setup.
Likewise, for the C ...
How do you UrlEncode without using System.Web?
I am trying to write a windows client application that calls a web site for data. To keep the install to a minimum I am trying only use dlls in the .NET Framework Client Profile . Trouble is that I need to UrlEncode some parameters, is there an easy way to do this without importing System.Web.dll w...
How do I do a HTTP GET in Java? [duplicate]
How do I do a HTTP GET in Java?
4 Answers
4
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Why does ConcurrentHashMap prevent null keys and values?
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From the author of ConcurrentHashMap himself (Doug Lea):
The main reason that nulls aren't allowed in ConcurrentMaps
(ConcurrentHashMaps, ConcurrentSkipListMaps) is that ambiguities that
may be just barely tolerable in non-concurrent maps can't be
accommodated. The main one is that...
Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...de which show that Scala code is more simple and concise then code written in Java (of course both samples should solve the same problem).
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Disable individual Python unit tests temporarily
How can individual unit tests be temporarily disabled when using the unittest module in Python?
7 Answers
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