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Difference between abstraction and encapsulation?
...s would require such complex program code that they would fail from the outset. Without abstraction, you couldn’t even write a program to print a number: the concept “print” involves countless abstractions (what’s a screen? what’s a character? what’s a pixel? …)
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How to implement a tree data-structure in Java? [closed]
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I would use a Set for the children.
– DPM
Jun 17 '18 at 18:03
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ssl_error_rx_record_too_long and Apache SSL [closed]
...ing Apache2 check that you are using port 443 for SSL. This can be done by setting the ports.conf file as follows
Listen 80
Listen 443 https
Make sure you do not have more than one SSL certificate sharing the same IP. Please ensure that all SSL certificates utilise their own dedicated IP.
If u...
What port is a given program using? [closed]
I want to be able to figure out what port a particular program is using. Are there any programs available online or that come with windows that will tell me which processes are using which ports on my computer?
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How to create a release signed apk file using Gradle?
...RADLE_USER_HOME is defined as an environment variable to make this work. I set it to one directory above my project directory, and put my keystore there. The path to your keystore in gradle.properties should use forward slashes (/) or double backslashes (\\), not Windows single backslashes. To creat...
UTF-8 all the way through
I'm setting up a new server and want to support UTF-8 fully in my web application. I have tried this in the past on existing servers and always seem to end up having to fall back to ISO-8859-1.
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How do you test private methods with NUnit?
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@Quango, in a standard testing setup, the "author" is a production user of the code. Nevertheless, if you don't smell a design problem, you have options for testing non-public methods without altering the class. System.Reflection allows you to access and...
Does a valid XML file require an XML declaration?
... editor after snippets, if snippets enabled
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Can a Byte[] Array be written to a file in C#?
I'm trying to write out a Byte[] array representing a complete file to a file.
8 Answers
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How do I create a custom Error in JavaScript?
...ng the Error object.
Also, notice with NotImplementedError2, when I don't set the .name explicitly, it is equal to "Error". However, as mentioned in the comments, because that version sets prototype to new Error(), I could set NotImplementedError2.prototype.name = "NotImplementedError2" and be OK....