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Can we instantiate an abstract class?
...mous subclass.
Emphasis mine.
Also, in JLS - Section # 12.5, you can read about the Object Creation Process. I'll quote one statement from that here: -
Whenever a new class instance is created, memory space is allocated
for it with room for all the instance variables declared in the clas...
What is the difference between a string and a byte string?
...In Python, a byte string is just that: a sequence of bytes. It isn't human-readable. Under the hood, everything must be converted to a byte string before it can be stored in a computer.
On the other hand, a character string, often just called a "string", is a sequence of characters. It is human-rea...
IllegalMonitorStateException on wait() call
I am using multi-threading in java for my program.
I have run thread successfully but when I am using Thread.wait() , it is throwing java.lang.IllegalMonitorStateException .
How can I make a thread wait until it will be notified?
...
Learning assembly [closed]
...e MASM features just because they're there; you can make things as hard to read as you want, if you think you'll learn more that way.
– JasonTrue
Sep 9 '09 at 2:00
3
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Domain Driven Design: Domain Service, Application Service
...
(If you don't feel like reading, there's a summary at the bottom :-)
I too have struggled with the precise definition of application services. Although Vijay's answer was very helpful to my thinking process a month ago, I have come to disagree with...
How is an HTTP POST request made in node.js?
... post_req.write(post_data);
post_req.end();
}
// This is an async file read
fs.readFile('LinkedList.js', 'utf-8', function (err, data) {
if (err) {
// If this were just a small part of the application, you would
// want to handle this differently, maybe throwing an exception
// for...
What's the concept of and differences between Framebuffer and Renderbuffer in OpenGL?
...ack is that pixels uses a native, implementation-dependent format, so that reading from a Renderbuffer is much harder than reading from a texture. Nevertheless, once a Renderbuffer has been painted, one can copy its content directly to screen (or to other Renderbuffer, I guess), very quickly using p...
How to permanently export a variable in Linux?
...lue of your environment variable.
#!/bin/bash
echo "Enter variable name: "
read variable_name
echo "Enter variable value: "
read variable_value
echo "adding " $variable_name " to environment variables: " $variable_value
echo "export "$variable_name"="$variable_value>>~/.bashrc
echo $variable_n...
Should I choose ActivePerl or Strawberry Perl for Windows? [duplicate]
I'm totally new to Perl, but I'd like to try it out. I read about two rival distributions available for Windows platform (I guess there's just Perl on other OSes :).
...
How do I map lists of nested objects with Dapper
...(m => m.LocationId).Distinct()}
);
Map it all up
Leaving this to the reader, you create a few maps and iterate through your courses populating with the locations.
Caveat the in trick will work if you have less than 2100 lookups (Sql Server), if you have more you probably want to amend the qu...