大约有 40,000 项符合查询结果（耗时：0.0399秒） [XML]
What is the best AJAX library for Django? [closed]
...ice? - In a word, No. I created this project 4 years ago as a cool tool in order to solve one specific problem I had at that time
– user
Mar 19 '14 at 19:09
...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...h a secure mechanism and both processes have to explicitly attach to it in order to use it.
The privileged mode is usually referred to as 'kernel' mode because the kernel is executed by the CPU running in this mode. In order to switch to kernel mode you have to issue a specific instruction (often ...
Why is my Android emulator keyboard in Chinese character mode?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
...
Why is XOR the default way to combine hashes?
...tter than and and or, but that doesn't say much.
xor is symmetric, so the order of the elements is lost. So "bad" will hash combine the same as "dab".
xor maps pairwise identical values to zero, and you should avoid mapping "common" values to zero:
So (a,a) gets mapped to 0, and (b,b) also gets ...
Makefile variable as prerequisite
...
One possible problem with the given answers so far is that dependency order in make is not defined. For example, running:
make -j target
when target has a few dependencies does not guarantee that these will run in any given order.
The solution for this (to guarantee that ENV will be checked...
Executing elements inserted with .innerHTML
...he src property will be downloaded asynchronously and executed as arrived. Ordering is not preserved. Inline scripts will also be executed out-of-order, synchronously before the async ones.
– robert4
Feb 11 '16 at 22:30
...
How to reverse-i-search back and forth? [duplicate]
...myself am trying to find a piece of code that does the reverse-i-search in order to check how it has been implemented exactly.
share
|
improve this answer
|
follow
...
Saving an Object (Data persistence)
...advantage is you don't need to know how many object instances are saved in order to load them back later (although doing so without that information is possible, it requires some slightly specialized code). See the answers to the related question Saving and loading multiple objects in pickle file? f...
In C++, is it still bad practice to return a vector from a function?
...hz 64bit processor. We could do better by parallelizing the computation in order to use all 8 cores (the test above only uses one core at a time, which I have verified by re-running the test while monitoring CPU usage). The best performance is achieved when mem(v) = 16kB, which is the order of magni...
How do I find the duplicates in a list and create another list with them?
...perform better. This code computes a list of unique elements in the source order:
seen = set()
uniq = []
for x in a:
if x not in seen:
uniq.append(x)
seen.add(x)
or, more concisely:
seen = set()
uniq = [x for x in a if x not in seen and not seen.add(x)]
I don't recommen...