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String difference in Bash
I'm trying to find a way to determine the difference between two strings in my script. I could easily do this with diff or comm, but I'm not dealing with files and I'd prefer not to output them to files, do the compare and read it back.
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Default value to a parameter while passing by reference in C++
Is it possible to give a default value to a parameter of a function while we are passing the parameter by reference. in C++
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What is the difference between Type and Class?
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The following answer is from Gof book (Design Patterns)
An object's class defines how the
object is implemented .The class
defines object's internal state and
the implementation of its
operations.
In contrast, an object's
type only refers ...
In C++, what is a “namespace alias”?
... namespace alias is a convenient way of referring to a long namespace name by a different, shorter name.
As an example, say you wanted to use the numeric vectors from Boost's uBLAS without a using namespace directive. Stating the full namespace every time is cumbersome:
boost::numeric::ublas::vect...
Didn't Java once have a Pair class? [duplicate]
Am I remembering incorrectly, or did Java, once upon a time, provide a Pair class as part of its API?
10 Answers
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Parse query string in JavaScript [duplicate]
I need to parse the query string www.mysite.com/default.aspx?dest=aboutus.aspx .
How do I get the dest variable in JavaScript?
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How to use wait and notify in Java without IllegalMonitorStateException?
...the results of each cell. As soon as one cell is ready I need to print it, but for example I need to print the [0][0] cell before cell [2][0] even if the result of [2][0] is ready first. So I need to print it by order.
So my idea is to make the printer thread wait until the multiplyThread notifies...
What is the best way to implement nested dictionaries?
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What is the best way to implement nested dictionaries in Python?
This is a bad idea, don't do it. Instead, use a regular dictionary and use dict.setdefault where apropos, so when keys are missing under normal usage you get the expected ...
Are static fields inherited?
When static members are inherited, are they static for the entire hierarchy, or just that class, i.e.:
7 Answers
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How to open, read, and write from serial port in C?
I am a little bit confused about reading and writing to a serial port. I have a USB device in Linux that uses the FTDI USB serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1.
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