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Do subclasses inherit private fields?
...t contain its superclass's private fields. As he states, having no access to a private member doesn't mean its not there.
However. This is different than the notion of inheritance for a class. As is the case in the java world, where there is a question of semantics the arbiter is the Java Langua...
How to get my IP address programmatically on iOS/macOS?
I would like to obtain my iPad's IP address programmatically.
How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are?
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What's the $unwind operator in MongoDB?
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First off, welcome to MongoDB!
The thing to remember is that MongoDB employs an "NoSQL" approach to data storage, so perish the thoughts of selects, joins, etc. from your mind. The way that it stores your data is in the form of documents and ...
Normalize data in pandas
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Is there a way to do this if you want to normalize a subset? Say that row A and B are part of a larger grouping factor that you want to normalize separately from C and D.
– Amyunimus
Oct 18 '15 at 19:5...
Check status of one port on remote host [closed]
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You seem to be looking for a port scanner such as nmap or netcat, both of which are available for Windows, Linux, and Mac OS X.
For example, check for telnet on a known ip:
nmap -A 192.168.0.5/32 -p 23
For example, look for open p...
Remove all files except some from a directory
...up.tar.gz' -delete
If you don't specify -type f find will also list directories, which you may not want.
Or a more general solution using the very useful combination find | xargs:
find [path] -type f -not -name 'EXPR' -print0 | xargs -0 rm --
for example, delete all non txt-files in the curr...
jQuery: Select data attributes that aren't empty?
I'm trying to select all elements that have a data-go-to attribute that is not empty.
11 Answers
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HTML img tag: title attribute vs. alt attribute?
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I'd go for both. Title will show a nice tooltip in all browsers and alt will give a description when browsing in a browser with no images.
That said, I'd love to see some stats of how many "surfers" out there going to a "store" to browse merchandise actually have ...
Subtract days from a date in JavaScript
Does anybody know of an easy way of taking a date (e.g. Today) and going back X days?
32 Answers
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How to suppress “unused parameter” warnings in C?
...Alcott because (as in my case) the function might be one of many that have to have the same signature because they are referenced by a function pointer.
– josch
Sep 19 '14 at 5:50
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