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How to get numbers after decimal point?
...odulo division approach in multiple languages, whereas the above answer is Python-specific.
– Stew
Feb 3 '15 at 20:17
3
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How can I verify if one list is a subset of another?
...
The performant function Python provides for this is set.issubset. It does have a few restrictions that make it unclear if it's the answer to your question, however.
A list may contain items multiple times and has a specific order. A set does not. A...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...y O(N2) due to the complexity of multiplying the large numbers. Below is a Python implementation. It takes about 0.5 seconds to calculate for N=50,000.
def max_chars(n):
dp = [0] * (n+1)
for i in xrange(n):
dp[i+1] = max(dp[i+1], dp[i]+1) # press a
for j in xrange(i+3, min(i+7, n+1)):
...
How to convert a negative number to positive?
How can I convert a negative number to positive in Python? (And keep a positive one.)
6 Answers
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Design patterns or best practices for shell scripts [closed]
... readonly:
readonly readonly_var="foo"
Modularization
You can achieve "python like" modularization if you use the following code:
set -o nounset
function getScriptAbsoluteDir {
# @description used to get the script path
# @param $1 the script $0 parameter
local script_invoke_path="$...
When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...eed to add
use-expressions="true"
to the "http" tag in the security.xml config for this to work.
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Reading JSON from a file?
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In python 3, we can use below method.
Read from file and convert to JSON
import json
from pprint import pprint
# Considering "json_list.json" is a json file
with open('json_list.json') as fd:
json_data = json.load(fd)
...
prototype based vs. class based inheritance
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@Stephano, They're not so distinct as all that: Python, Ruby, Smalltalk use dictionaries for method lookup, and javascript and Self have classes. To some extent, you could argue that the difference is just that the prototype-oriented languages are exposing their implement...
Redirecting to URL in Flask
I'm new to Python and Flask and I'm trying to do the equivalent of Response.redirect as in C# - ie: redirect to a specific URL - how do I go about this?
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WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
... 设置 活动日期 = 年 & "-" & 月 & "-" & 日
保存预约信息到数据库
年龄限制注册
当 注册用户按钮.被点击
调用 WheelCalendar1.打开轮盘
// 设置最小出生日期为18年前
设置 当前年份 = WheelCalendar1.当前年份
设...