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What is more efficient? Using pow to square or just multiply it with itself?
... elapsed << " "; \
\
return x; \
}
TEST(1, b)
TEST(2, b*b)
TEST(3, b*b*b)
TEST(4, b*b*b*b)
TEST(5, b*b*b*b*b)
template <int exponent>
double testpow(double base, long loops)
{
double x = 0.0;
boost::posix_time::ptime startTime = now();
for (long i=0; i<loops; ++i)
...
Python csv string to array
...port StringIO
import csv
scsv = """text,with,Polish,non-Latin,letters
1,2,3,4,5,6
a,b,c,d,e,f
gęś,zółty,wąż,idzie,wąską,dróżką,
"""
f = StringIO(scsv)
reader = csv.reader(f, delimiter=',')
for row in reader:
print('\t'.join(row))
simpler version with split() on newlines:
reader =...
逆向工程——二进制炸弹(CSAPP Project) - 操作系统(内核) - 清泛网 - 专注...
...是哪个了。于是先在初始时随便输入六个数,比如:1 2 3 4 5 6,然后在0x8048b54处设立一个断点,用命令:p *(int *) ($ebp - 0x20) 查看其中的值,发现是输入的第一个整数。然后,就可以确定了第一个参数必须为1,炸弹才不会爆炸(0x...
Python Charts库(Highcharts API的封装) - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...到类似下面的路径
'/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages'
然后进入目录下的chart目录,拷贝下图这些文件替换
1.If you want to plot a single series, you can use the name argument:
charts.plot(data, name='My list')
s...
Multidimensional Array [][] vs [,] [duplicate]
...uble[5][];
x[0] = new double[10];
x[1] = new double[5];
x[2] = new double[3];
x[3] = new double[100];
x[4] = new double[1];
Because each entry in the array is a reference to an array of double. With a jagged array, you can do an assignment to an array like you want in your second example:
x[0] =...
Mercurial move changes to a new branch
...
153
As suggested by Mark, the MqExtension is one solution for you problem. IMHO a simpler workflow i...
Passing a string with spaces as a function argument in bash
...claration is wrong.
myFunction()
{
echo "$1"
echo "$2"
echo "$3"
}
And like the others, it works for me as well. Tell us what version of shell you are using.
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How can building a heap be O(n) time complexity?
...
answered Sep 11 '13 at 13:22
Jeremy WestJeremy West
6,65711 gold badge1313 silver badges2323 bronze badges
...
Which version of Python do I have installed?
...
632
python -V
http://docs.python.org/using/cmdline.html#generic-options
--version may also work ...
