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Get properties and values from unknown object
From the world of PHP I have decided to give C# a go. I've had a search but can't seem to find the answer of how to do the equivalent to this.
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How to detect the OS from a Bash script?
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Why do you set platform from unamestr, instead of just using unamestr?
– csexton
Dec 26 '08 at 22:14
80
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Create Generic method constraining T to an Enum
...e, a better implementation should be something like this:
public T GetEnumFromString<T>(string value) where T : struct, IConvertible
{
if (!typeof(T).IsEnum)
{
throw new ArgumentException("T must be an enumerated type");
}
//...
}
This will still permit passing of value ...
Find first element in a sequence that matches a predicate
...ed out.
For Python version < 2.6, here's the best I can come up with:
from itertools import repeat,ifilter,chain
chain(ifilter(predicate,seq),repeat(None)).next()
Alternatively if you needed a list later (list handles the StopIteration), or you needed more than just the first but still not al...
How to calculate moving average without keeping the count and data-total?
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Beware that this is quite far from the common definition of average. If you set N = 5 and enter 5 5 samples, the average will be 0.67.
– Dan Dascalescu
Jan 9 '18 at 8:28
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How do I get the file extension of a file in Java?
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In this case, use FilenameUtils.getExtension from Apache Commons IO
Here is an example of how to use it (you may specify either full path or just file name):
String ext1 = FilenameUtils.getExtension("/path/to/file/foo.txt"); // returns "txt"
String ext2 = FilenameUtil...
How to throw a C++ exception
...m exceptions make more sense then go for it. You may still want to derive from std::exception and keep the interface the same.
– nsanders
Dec 12 '11 at 21:02
2
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Count the items from a IEnumerable without iterating?
... @Shimmy You iterate and count the elements. Or you call Count() from the Linq namespace that does this for you.
– Mendelt
Dec 1 '09 at 8:47
1
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Uploading images using Node.js, Express, and Mongoose
...ll answer my own question for the first time. I found an example straight from the source. Please forgive the poor indentation. I wasn't sure how to indent properly when copying and pasting. The code comes straight from Express multipart/form-data example on GitHub.
// Expose modules in ./suppo...
What is the best Distributed Brute Force countermeasure?
...Be brave, friend, the journey will be worth it)
Combining methods 3 and 4 from the original post into a kind of 'fuzzy' or dynamic whitelist, and then - and here's the trick - not blocking non-whitelisted IPs, just throttling them to hell and back.
Note that this measure is only meant to thwart...