大约有 40,000 项符合查询结果（耗时：0.0639秒） [XML]
How to round a number to n decimal places in Java
...ngMode(RoundingMode.CEILING);
for (Number n : Arrays.asList(12, 123.12345, 0.23, 0.1, 2341234.212431324)) {
Double d = n.doubleValue();
System.out.println(df.format(d));
}
gives the output:
12
123.1235
0.23
0.1
2341234.2125
EDIT: The original answer does not address the accuracy of th...
Calculate the center point of multiple latitude/longitude coordinate pairs
...ing them has weird edge cases with angles when they wrap from 359' back to 0'.
A much earlier question on SO asked about finding the average of a set of compass angles.
An expansion of the approach recommended there for spherical coordinates would be:
Convert each lat/long pair into a unit-lengt...
Which is better, number(x) or parseFloat(x)?
... same:
parseFloat('3'); // => 3
Number('3'); // => 3
parseFloat('1.501'); // => 1.501
Number('1.501'); // => 1.501
parseFloat('1e10'); // => 10000000000
Number('1e10'); // => 10000000000
So as long as you have standard numeric input, there's no difference. However, if your input...
Histogram using gnuplot?
...x,width)=width*floor(x/width)
plot 'datafile' using (bin($1,binwidth)):(1.0) smooth freq with boxes
check out help smooth freq to see why the above makes a histogram
to deal with ranges just set the xrange variable.
share...
Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...ult is display.
How to solve this problem?. How to change the null data to 0 when no data in the table?.
6 Answers
...
How do you compare two version Strings in Java?
...
answered Oct 13 '08 at 17:57
gizmogizmo
11.5k55 gold badges4141 silver badges5959 bronze badges
...
How to refresh app upon shaking the device?
... public void onSensorChanged(SensorEvent se) {
float x = se.values[0];
float y = se.values[1];
float z = se.values[2];
mAccelLast = mAccelCurrent;
mAccelCurrent = (float) Math.sqrt((double) (x*x + y*y + z*z));
float delta = mAccelCurrent - mAccelLast;
mAcc...
What regex will match every character except comma ',' or semi-colon ';'?
...
answered Sep 11 '09 at 5:41
Mehrdad AfshariMehrdad Afshari
379k8383 gold badges822822 silver badges775775 bronze badges
...
CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Generate。
配置需要选择合适的编译器，虽然我安装了VC2008，但没有配置成功；选择Unix Makefiles，配置成功，它自动找到了DevC++下的gcc.exe等编译器。
（3）在build3目录执行make，就能够编译生成Turorial.exe了。
D:/Projects/Lab/testngpp/cm...
Where Is Machine.Config?
...
590
32-bit
%windir%\Microsoft.NET\Framework\[version]\config\machine.config
64-bit
%windir%\Micr...