大约有 43,100 项符合查询结果(耗时:0.0300秒) [XML]
Why does changing 0.1f to 0 slow down performance by 10x?
...
1627
Welcome to the world of denormalized floating-point! They can wreak havoc on performance!!!
...
How do you detect where two line segments intersect? [closed]
...first line segment (p + t r):
t0 = (q − p) · r / (r · r)
t1 = (q + s − p) · r / (r · r) = t0 + s · r / (r · r)
If the interval between t0 and t1 intersects the interval [0, 1] then the line segments are collinear and overlapping; otherwise they are collinear and disj...
Maven in Eclipse: step by step installation [closed]
...
13 Answers
13
Active
...
What is the most pythonic way to check if an object is a number?
...
14 Answers
14
Active
...
How to increase font size in a plot in R?
...
145
You want something like the cex=1.5 argument to scale fonts 150 percent. But do see help(par) ...
How to pretty-print a numpy.array without scientific notation and with given precision?
...
14 Answers
14
Active
...
In the shell, what does “ 2>&1 ” mean?
...
18 Answers
18
Active
...
IntelliJ IDEA 13 uses Java 1.5 despite setting to 1.7
Despite specifying JDK 1.7 in all project settings (including in File -> Project Structure -> Project :: Project SDK ), the following error is produced by IntelliJ 13 when trying to compile some simple Java 7 code which does use the diamond operator:
...