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import sys,os,linecache 
def trace(f): 
    def globaltrace(frame, why, arg): 
        if why == "call": 
            return localtrace 
        return None 
    def localtrace(frame, why, arg): 
        if why == "line": 
            # record the file name and line number of every trace 
            filename = frame.f_code.co_filename 

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import signal,functools 

class TimeoutError(Exception): 
    pass #定义一个Exception，后面超时抛出 

def timeout(seconds, error_message = 'Function call timed out'): 
    def decorated(func): def _handle_timeout(signum, frame): 
        raise TimeoutError(error_message) 
            def wrapper(*args, **kwargs): 
                signal.signal(signal.SIGALRM, _handle_timeout) 

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* {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

html {
    height: 100%;
}

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#!/usr/bin/env python
# coding: utf-8
'''
定义可以将按钮(button)用于 Flask 表单(form)的域(field)
提供 button式 和 input type='button'式 两种
'''

from werkzeug.utils import escape, text_type
from wtforms import BooleanField, Field, Label
from wtforms.widgets.core import HTMLString, TextInput, Input, html_params

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function calcTime(city, offset) {
        let d       = new Date();
        let utc     = d.getTime() + (d.getTimezoneOffset() * 60000);
        let nd      = new Date(utc + (3600000 * offset));
        let gmtTime = new Date(utc);
        let day     = nd.getDate();
        let month   = nd.getMonth();
        let year    = nd.getYear();
        let hr      = nd.getHours(); //+ offset
        let min     = nd.getMinutes();

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# If you come from bash you might have to change your $PATH.
# export PATH=$HOME/bin:/usr/local/bin:$PATH

setopt no_nomatch

export TERM="xterm-256color"
ZSH_TIME='24'

eval "$(thefuck --alias fuck)"

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decode('string-escape')

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sudo vim /usr/share/applications/gnome-terminal.desktop

Exec=gnome-terminal --maximize

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格式字符串手册

数字格式化

下面的表格展示了使用Python的后起新秀str.format()格式化数字的多种方法，包含浮点数格式化与整数格式化示例。可使用 print("FORMAT".format(NUMBER)); 来运行示例，因此你可以运行： print("{:.2f}".format(3.1415926)); 来得到第一个示例的输出。

数字      	格式    	输出  	    描述
3.1415926 	{:.2f} 	  3.14  	    保留小数点后两位
3.1415926 {:+.2f} +3.14 带符号保留小数点后两位

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#!/usr/bin/env python
# coding: utf-8
import sys
from argparse import ArgumentParser


def main(*args):
    pass