大约有 16,000 项符合查询结果（耗时：0.0240秒） [XML]
How to properly seed random number generator
... avoid pitfalls of clock based seed values by simply using the crypto/rand.Read as source for your seed. It will give you that non-deterministic quality that you are probably looking for in your random numbers (even if the actual implementation itself is limited to a set of distinct and deterministi...
What is “vectorization”?
...vantages, among which are:
vectorized code is more concise and easier to read
fewer lines of code generally means fewer bugs
the code more closely resembles standard mathematical notation
(making it easier, typically, to correctly code mathematical
constructs)
vectorization results in more “Pyth...
Can I get git to tell me all the files one user has modified?
...ay, but it works:
git log --pretty="%H" --author="authorname" |
while read commit_hash
do
git show --oneline --name-only $commit_hash | tail -n+2
done | sort | uniq
Or, as one line:
git log --pretty="%H" --author="authorname" | while read commit_hash; do git show --oneline --...
Is there a “null coalescing” operator in JavaScript?
...efined and true otherwise - using that with a logical or; it could be more readable than many nested functions calls. e.g. $N(a) || $N(b) || $N(c) || d is more readable than $N($N($N(a, b), c), d).
– Bob
Nov 28 '13 at 6:13
...
What is (functional) reactive programming?
I've read the Wikipedia article on reactive programming . I've also read the small article on functional reactive programming . The descriptions are quite abstract.
...
Hidden Features of Java
After reading Hidden Features of C# I wondered, What are some of the hidden features of Java?
100 Answers
...
What is the difference between task and thread?
In C# 4.0, we have Task in the System.Threading.Tasks namespace. What is the true difference between Thread and Task . I did some sample program(help taken from MSDN) for my own sake of learning with
...
In plain English, what does “git reset” do?
... section. It can really be used for a wide variety of things; the common thread is that all of them involve resetting the branch, index, and/or work tree to point to/match a given commit.
Things to be careful of
--hard can cause you to really lose work. It modifies your work tree.
git reset [opt...
Immediate function invocation syntax
...
I'm glad I read this. I've just finished reading Javascript: The Good Parts, and what I kept thinking was that assigning the result of calling a function is really bad syntax, because you have to look at the first and last lines to unde...
Is there any difference between a GUID and a UUID?
...ion being used as the definition of UUID.
If you think that was confusing, read the ITU-T X.667 ISO/IEC 9834-8:2004 which is supposed to be aligned and fully technically compatible with RFC 4122. It has an extra sentence in Clause 11.2 that says, "All UUIDs conforming to this Recommendation | Inter...