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Get Maven artifact version at runtime
I have noticed that in a Maven artifact's JAR, the project.version attribute is included in two files:
10 Answers
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Convert string to Python class object?
... user input to a Python function, I'd like to get a class object out of it if there's a class with that name in the currently defined namespace. Essentially, I want the implementation for a function which will produce this kind of result:
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Look up all descendants of a class in Ruby
...That works great, thanks! I suppose visiting every class might be too slow if you're trying to shave milliseconds, but it's perfectly speedy for me.
– Douglas Squirrel
Mar 6 '10 at 20:01
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Append values to a set in Python
...p.update(yoursequenceofvalues)
e.g, keep.update(xrange(11)) for your specific example. Or, if you have to produce the values in a loop for some other reason,
for ...whatever...:
onemorevalue = ...whatever...
keep.add(onemorevalue)
But, of course, doing it in bulk with a single .update call...
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...op, where the graphic retains its transparency and luminosity, and only modifies the color of the image. For example:
becomes After doing some research, it appears that the ColorMatrixColorFilter class may do what I need, but I can't seem to find any resources pointing to how the matrix is...
How to create a bash script to check the SSH connection?
...ou'll have to grep the message (nmap does not use the return-value to show if a port was filtered, closed or open).
EDIT2:
If you're interested in the actual state of the ssh-port, you can substitute grep open with egrep 'open|closed|filtered':
$ nmap host -PN -p ssh | egrep 'open|closed|filtered...
Proper usage of Optional.ifPresent()
I am trying to understand the ifPresent() method of the Optional API in Java 8.
5 Answers
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How do I implement interfaces in python?
... Pythons Abstract Base Classes, introduced in Python 2.6. They are useful, if you want to make base classes that cannot be instantiated, but provide a specific interface or part of an implementation.
Another usage is if you somehow want to specify that an object implements a specific interface, and...
Why use HttpClient for Synchronous Connection
...tivity, but what I am doing is purely synchronous, so I cannot see any significant benefit over using HttpWebRequest .
5 A...
Easiest way to detect Internet connection on iOS?
...rry background, making requests through HTTPUrlConnection instantly fail if there is no connection available. This seems like completely sane behavior, and I was surprised to find NSURLConnection in iOS did not emulate it.
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