考虑以下代码(来自,增加了测试数量):
from timeit import Timer
def find_invpow(x,n):
"""Finds the integer component of the n'th root of x,
an integer such that y ** n <= x < (y + 1) ** n.
"""
high = 1
while high ** n < x:
high *= 2
low = high/2
我正在尝试将字段的毫秒计算为秒。我使用的是[field]/1000,只要值大于1,它就可以工作。一旦它低于1,我就会得到0。因此,如果值为460,我将得到0而不是0.46。
我尝试了以下几种方法:
RUNTIME/1000 as test,
CAST(RUNTIME/1000 as DECIMAL(5,2)) as test2
我正在尝试构建一个批处理脚本,该脚本将遍历一组文件夹,并给出最近修改的文件(稍后检查该文件的日期是否为180天前)。现在,我要做的是:
setlocal EnableDelayedExpansion
for /f %%f in ('dir /b /s /od /tw "<some UNC path>\*.*"') do (
REM Make sure the variable is defined the first time we try to compare it
if NOT DEFINED fileDateTime set fileDat
下面的代码模拟实际的生产代码。双引号用于使用XML:Twig解析的XML文件中的实际数据。
#!/usr/bin/perl
use strict;
use warnings;
use diagnostics;
use Devel::Peek;
my $linetotalinclusive = "8458.80" * 1_000_000;
$linetotalinclusive = $linetotalinclusive;
my $c = "7980.00" * 1_000_000;
my $data = $linetotalinclusive - $c