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How is “=default” different from “{}” for default constructor and destructor?
I originally posted this as a question only about destructors, but now I'm adding consideration of the default constructor. Here's the original question:
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Solving “Who owns the Zebra” programmatically?
Edit: this puzzle is also known as "Einstein's Riddle"
14 Answers
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Can I mask an input text in a bat file?
I am writing a batch file to execute some other programs. In this case I need to prompt for a password. Do I have any way to mask the input text? I don't need to print ******* characters instead of input characters. Linux's Password prompt behavior (Print nothing while typing) is enough.
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What's the better (cleaner) way to ignore output in PowerShell? [closed]
Let's say you have a method or a cmdlet that returns something, but you don't want to use it and you don't want to output it. I found these two ways:
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What is the difference between Serializable and Externalizable in Java?
What is the difference between Serializable and Externalizable in Java?
11 Answers
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Why does the JVM still not support tail-call optimization?
Two years after does-the-jvm-prevent-tail-call-optimizations , there seems to be a prototype implementation and MLVM has listed the feature as "proto 80%" for some time now.
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What are the disadvantages of using persistent connection in PDO
In PDO, a connection can be made persistent using the PDO::ATTR_PERSISTENT attribute. According to the php manual -
8 An...
Why am I getting a “401 Unauthorized” error in Maven?
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21 Answers
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How to cancel a Task in await?
I'm playing with these Windows 8 WinRT tasks, and I'm trying to cancel a task using the method below, and it works to some point. The CancelNotification method DOES get called, which makes you think the task was cancelled, but in the background the task keeps running, then after it's completed, the ...
Javascript when to use prototypes
I'd like to understand when it is appropriate to use prototype methods in js. Should they always be used? Or are there cases where using them is not preferred and/or incurs a performance penalty?
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