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Get only part of an Array in Java?
...immutable. So, you need to copy the desired part as a new array.
Use copyOfRange method from java.util.Arrays class:
int[] newArray = Arrays.copyOfRange(oldArray, startIndex, endIndex);
startIndex is the initial index of the range to be copied, inclusive.
endIndex is the final index of the r...
Java: random long number in 0
Random class has a method to generate random int in a given range. For example:
16 Answers
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What does this square bracket and parenthesis bracket notation mean [first1,last1)?
I have seen number ranges represented as [first1,last1) and [first2,last2) .
4 Answers
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how to get html content from a webview?
...View. For most of situation, this is not necessary. You can always get the raw HTML content from HTTP server directly.
There are already answers posted talking about getting the raw stream using HttpUrlConnection or HttpClient. Alternatively, there is a very handy library when dealing with HTML con...
What is the best java image processing library/approach? [closed]
...esult.
return pad(img, 4);
}
All image-processing operations use the raw Java2D pipeline (which is hardware accelerated on major platforms) and won't introduce the pain of calling out via JNI like library contention in your code.
imgscalr has also been deployed in large-scale productions in q...
What's the u prefix in a Python string?
...
Combining unicode + raw (regex) strings (e.g. ur"string") is valid in Python 2, but it is unfortunately invalid syntax in Python 3.
– cowlinator
Feb 18 at 9:07
...
Git and Mercurial - Compare and Contrast
...g branches) that follow branches in remote repository.
Revision naming and ranges: Mercurial provides revision numbers, local to repository, and bases relative revisions (counting from tip, i.e. current branch) and revision ranges on this local numbering; Git provides a way to refer to revision rela...
What does %s mean in a python format string?
... %s placeholder.
Edit: Here is a really simple example:
#Python2
name = raw_input("who are you? ")
print "hello %s" % (name,)
#Python3+
name = input("who are you? ")
print("hello %s" % (name,))
The %s token allows me to insert (and potentially format) a string. Notice that the %s token is rep...
Post parameter is always null
...t data using this line of code:
This works and allows you access to the raw untouched post data. You don't have to mess around with fiddler putting an = sign at the beginning of your string or changing the content-type.
As an aside, I first tried to following one of the answers above which was ...
How to take the first N items from a generator or list in Python? [duplicate]
...
In my taste, it's also very concise to combine zip() with xrange(n) (or range(n) in Python3), which works nice on generators as well and seems to be more flexible for changes in general.
# Option #1: taking the first n elements as a list
[x for _, x in zip(xrange(n), generator)]
# ...