大约有 40,000 项符合查询结果（耗时：0.0552秒） [XML]
Find the last element of an array while using a foreach loop in PHP
...x compared to this one. I have not ran any tests but I guess this answer shall be faster as it is not extracting array of keys.This shall have O(1) speed
– Vaibhav Kamble
Mar 20 '09 at 7:09
...
How can I determine the URL that a local Git repository was originally cloned from?
...re several forks on GitHub, and I neglected to note which one I took originally. How can I determine which of those forks I pulled?
...
How do I discover memory usage of my application in Android?
How can I find the memory used on my Android application, programmatically?
9 Answers
...
Please explain some of Paul Graham's points on Lisp
...at a comparison to C and Java, which I won't do -- but for some reason I really enjoy discussing this very topic once in a while, so -- here's my shot at an answer.
On points (3) and (4):
Points (3) and (4) on your list seem the most interesting and still relevant now.
To understand them, it is usef...
rvm installation not working: “RVM is not a function”
I just installed RVM, but can't make it work. I have such line at the end of my .profile file:
21 Answers
...
What does tree-ish mean in Git?
...--------------------------------------------------
Identifiers #1-14 are all "commit-ish", because they all lead to commits, but
because commits also point to directory trees, they all ultimately lead to
(sub)directory tree objects, and can therefore also be used as "tree-ish".
#15 can also be us...
Why am I suddenly getting a “Blocked loading mixed active content” issue in Firefox?
... main page is served over HTTPS. When an HTTPS page has HTTP content, we call that content “mixed”. The webpage that the user is visiting is only partially encrypted, since some of the content is retrieved unencrypted over HTTP. The Mixed Content Blocker blocks certain HTTP requests on HTTPS p...
Decode HTML entities in Python string?
...p 3, but it contains HTML entities which Beautiful Soup 3 doesn't automatically decode for me:
6 Answers
...
Separate Back Stack for each tab in Android using Fragments
...
The framework won't currently do this for you automatically. You will need to build and manage your own back stacks for each tab.
To be honest, this seems like a really questionable thing to do. I can't imagine it resulting in a decent UI -- if the back key is going to do diff...
Given an array of numbers, return array of products of all other numbers (no division)
...
Here is a small recursive function (in C++) to do the modofication in place. It requires O(n) extra space (on stack) though. Assuming the array is in a and N holds the array length, we have
int multiply(int *a, int fwdProduct, int indx)...