大约有 43,000 项符合查询结果(耗时:0.0665秒) [XML]

https://stackoverflow.com/ques... 

How unique is UUID?

...it) as possible into random number APIs. See en.wikipedia.org/wiki/Entropy_%28computing%29 – broofa Dec 6 '14 at 13:48 4 ...
https://stackoverflow.com/ques... 

Given an RGB value, how do I create a tint (or shade)?

...r lighter (tinted) color: RGB: To shade: newR = currentR * (1 - shade_factor) newG = currentG * (1 - shade_factor) newB = currentB * (1 - shade_factor) To tint: newR = currentR + (255 - currentR) * tint_factor newG = currentG + (255 - currentG) * tint_factor newB = currentB + (255 - currentB...
https://stackoverflow.com/ques... 

Differences between numpy.random and random.random in Python

...te In [2]: N = 1000000 In [3]: %timeit samples = [normalvariate(0, 1) for _ in xrange(N)] 1 loop, best of 3: 963 ms per loop In [4]: %timeit np.random.normal(size=N) 10 loops, best of 3: 38.5 ms per loop share | ...
https://stackoverflow.com/ques... 

Catching java.lang.OutOfMemoryError?

... In OpenJdk1.7.0_40, I don't get any error or exception when I run this code. Even I changed the MEGABYTE to GIGABYTE (1024*1024*1024). Is that because of optimizer removes the variable 'byte[] bytes' as it is not used in the rest of the cod...
https://stackoverflow.com/ques... 

How do you set, clear, and toggle a single bit?

... << x); will not put the value of bit x into bit unless bit has type _Bool (<stdbool.h>). Otherwise, bit = !!(number & (1 << x)); will.. – Chris Young Nov 16 '08 at 7:49 ...
https://stackoverflow.com/ques... 

Bash command to sum a column of numbers [duplicate]

...0s user 2m26.230s sys 0m0.660s bash-2.03$ time perl -nle' $s += $_; END { print $s } ' infile 1.249999925e+15 real 1m34.663s user 1m33.710s sys 0m0.650s share | improve this...
https://stackoverflow.com/ques... 

What should I do if the current ASP.NET session is null?

...s doing initialization logic during startup, for example on the Application_Start event or by using a static constructor, Session state might not be available. It all boils down to whether there is a current request and AcquireRequestState has been run. Also, should the client have disabled cookies,...
https://stackoverflow.com/ques... 

What is the difference between currying and partial application?

...lambda(accum,e){e+accum}))(0); function length = curry(fold)(lambda(accum,_){1+accum})(empty-list); function reverse = curry(fold)(lambda(accum,e){concat(e,accum)})(empty-list); /* ... */ @list = [1, 2, 3, 4] sum(list) //returns 10 @f = fold(lambda(accum,e){e+accum}) //f = lambda(accumulator,list)...
https://stackoverflow.com/ques... 

Path of assets in CSS files in Symfony 2

... 14 combinations on the same twig, and this route was launched from "/app_dev.php/" "/app.php/" and "/" thus giving 14 x 3 = 42 tests. Additionally, all this has been tested working in a subdirectory, so there is no way to fool by giving absolute URLs because they would simply not work. The te...
https://stackoverflow.com/ques... 

Assign width to half available screen width declaratively

... If your widget is a Button: <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:weightSum="2" android:orientation="horizontal"> <Button android:layout_width="0dp" android:layout_height="wrap_content" ...