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Writing outputs to log file and console
In Unix shell, I have a env file ( env file defines the parameters required for running the user script like log file name and path, redirect outputs and errors to log file, database connection details, etc ) which redirects all the outputs ( echo messages ) and errors to the log file from the execu...
How to darken a background using CSS?
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Setting background-blend-mode to darken would be the most direct and shortest way to achieve the purpose however you must set a background-color first for the blend mode to work.
This is also the best way if you need to manip...
Difference between
...s T> src) {
for (int i = 0; i < src.size(); i++)
dest.set(i, src.get(i));
}
}
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How can I add to List<? extends Number> data structures?
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Circle line-segment collision detection algorithm?
I have a line from A to B and a circle positioned at C with the radius R.
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python max function using 'key' and lambda expression
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How does key work?
By default in Python 2 key compares items based on a set of rules based on the type of the objects (for example a string is always greater than an integer).
To modify the object before comparison, or to compare based on a particular attribute/index, you've to use the key argum...
Display number with leading zeros
...(and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or sprintf (see docs).
For Python 3.+, the same behavior can also be achieved with format:
print("{:02d}".format(1))
For Python 3.6+ the same behavior can be achieved with f-strings:
print(f"{1:02d}")
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Get type name without full namespace
...nction. Can somebody explain to me why it doesn't have the obj.GetType().BaseType.Name? I'm learning. I understand the purpose but not all the syntax details. Thank you.
– Diego Orellana
Apr 25 '18 at 0:36
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Why does string::compare return an int?
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The method doesn't actually return an integer in the set { -1, 0, 1 }; it can actually be any integral value.
Why? The main reason I can think of is that int is supposed to be the "natural size" value for the architecture; operations on values of this size are typically at lea...
GUI not working after rewriting to MVC
...using information obtained from the Model. Similarly, the Controller may reset() the Model. In particular, there is no drawing in the Model and no game logic in the View. This somewhat more complex game was designed to illustrate the same concepts.
Addendum: I've modified the original example to sh...
Can you connect to Amazon ElastiСache Redis outside of Amazon?
I'm able to connect to an ElastiCache Redis instance in a VPC from EC2 instances . But I would like to know if there is a way to connect to an ElastiCache Redis node outside of Amazon EC2 instances, such as from my local dev setup or VPS instances provided by other vendors.
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