大约有 30,000 项符合查询结果(耗时:0.0329秒) [XML]

https://stackoverflow.com/ques... 

Convert String to SecureString

... AppendChar doesn't execute until run time, so those characters can still be read from the IL, correct? Maybe some compile-time obfuscation would help as well... that is, if you're hard-coding passwords. – samis Aug 22 '18 a...
https://stackoverflow.com/ques... 

How to determine if a point is in a 2D triangle? [closed]

... clockwise), you don't need to calculate all of those determinants all the time. In fact in the best case, 1 determinant is enough to find that the point is not inside the triangle. – Thash Sep 9 '16 at 15:28 ...
https://stackoverflow.com/ques... 

Why aren't variable-length arrays part of the C++ standard?

...s to the type system (you need to be able to specify types depending on runtime values - this does not yet exist in current C++, except for new operator type-specifiers, but they are treated specially, so that the runtime-ness doesn't escape the scope of the new operator). You can use std::vector, ...
https://stackoverflow.com/ques... 

Python dictionary: Get list of values for list of keys

... function call (that returns a dict) then this calls the function multiple times, right? – endolith Sep 30 '18 at 3:09 1 ...
https://stackoverflow.com/ques... 

What are the dangers when creating a thread with a stack size of 50x the default?

...t on heap. It goes like this: stack < global < heap. (allocation time) Technically, stack allocation isn't really an allocation, the runtime just makes sure a part of the stack (frame?) is reserved for the array. I strongly advise being careful with this, though. I recommend the following...
https://stackoverflow.com/ques... 

How do I check if there are duplicates in a flat list?

...unt(x) > 1 for x in thelist) Do not use on a long list -- it can take time proportional to the square of the number of items in the list! For longer lists with hashable items (strings, numbers, &c): def anydup(thelist): seen = set() for x in thelist: if x in seen: return True ...
https://stackoverflow.com/ques... 

Why is quicksort better than mergesort?

... Quicksort has O(n2) worst-case runtime and O(nlogn) average case runtime. However, it’s superior to merge sort in many scenarios because many factors influence an algorithm’s runtime, and, when taking them all together, quicksort wins out. In particular,...
https://stackoverflow.com/ques... 

How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]

I'm getting a datetime string in a format like "2009-05-28T16:15:00" (this is ISO 8601, I believe). One hackish option seems to be to parse the string using time.strptime and passing the first six elements of the tuple into the datetime constructor, like: ...
https://stackoverflow.com/ques... 

How to find all positions of the maximum value in a list?

...is 2n, the list is iterated through 2x, once to determine max, and another time to find the positions of the max. A for loop that tracks the current max and its position might be more efficient for really long lists. – radtek Jan 8 '15 at 18:42 ...
https://stackoverflow.com/ques... 

How do I get elapsed time in milliseconds in Ruby?

If I have a Time object got from : 10 Answers 10 ...