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Looping in a spiral
...hon):
def spiral(X, Y):
x = y = 0
dx = 0
dy = -1
for i in range(max(X, Y)**2):
if (-X/2 < x <= X/2) and (-Y/2 < y <= Y/2):
print (x, y)
# DO STUFF...
if x == y or (x < 0 and x == -y) or (x > 0 and x == 1-y):
dx, d...
Explain the use of a bit vector for determining if all characters are unique
...form) so this program can only work correctly for a character set within a range of 32 characters. That's the reason, this program subtracts 'a' from each character in order to make this program run for only lower case characters. However if you mix lower and upper case characters then it would not ...
How to save a BufferedImage as a File
... term plug-in is used since Image I/O is extensible and can support a wide range of formats.
But the following standard image format plugins : JPEG, PNG, GIF, BMP and WBMP are always be present.
For most applications it is sufficient to use one of these standard plugins. They have the advantage of b...
Is there any way to put malicious code into a regular expression?
...at most HTTP servers provide.
There are various ways to implement these, ranging form a simple alarm(N) at the C level, to some sort of try {} block the catches alarm‐type exceptions, all the way to spawning off a new thread that’s specially created with a timing constraint built right into it...
Remove sensitive files and their commits from Git history
...om the second commit onward. (How do I include the initial commit into the range of commits?) The save way is pointed out here: help.github.com/articles/… git filter-branch --force --index-filter \ 'git rm --cached --ignore-unmatch PATH-TO-YOUR-FILE-WITH-SENSITIVE-DATA' \ --prune-empty --tag-name-...
Why doesn't Java Map extend Collection?
...ars in the bag).
This structure would allow intersection, union etc. of a range of "collections". Hence, the hierarchy should be:
Set
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Relation
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Git: Find the most recent common ancestor of two branches
...the differences between double-dot ".." and triple-dot "..." in Git commit ranges?
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How does the Brainfuck Hello World actually work?
...’) chr(108) #prints l twice
can be used as
for i in array:
for j in range(i.count(‘.’)):
print_value
———Where is it used?——-
It is just a joke language made to challenge programmers and is not used practically anywhere.
...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
...hortestLength = Math.min(lista.size(),listb.size());
return IntStream.range(0,shortestLength).mapToObj( i -> {
return zipper.apply(lista.get(i), listb.get(i));
});
}
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Is mathematics necessary for programming? [closed]
... because programming is math. It can be good math, or bad math (like when orangutan's long call is transliterated into Ook language), but whenever a programmer designs an object model of someting, ze is (usually unknowingly) performing an act of mathematics. So, again, one doesn't need to read math ...