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创业测试：50个迹象表明你真该创业了 - 资讯 - 清泛网 - 专注C/C++及内核技术
...业，并将会穷尽一切可能将自己的构想转化为能造福整个世界的某款产品或服务。
4.你是独立自主者。这并不是说你患有社交障碍或是不知道该怎样寻求帮助。而是意味着你是一个试图独立解决大多数难题的问题解决者。现在...
How to do relative imports in Python?
... than just answering the question.
The problem is that you're running the module as '__main__' by passing the mod1.py as an argument to the interpreter.
From PEP 328:
Relative imports use a module's __name__ attribute to determine that module's position in the package hierarchy. If the module'...
How to avoid circular imports in Python? [duplicate]
...
Only import the module, don't import from the module:
Consider a.py:
import b
class A:
def bar(self):
return b.B()
and b.py:
import a
class B:
def bar(self):
return a.A()
This works perfectly fine.
...
Modular multiplicative inverse function in Python
Does some standard Python module contain a function to compute modular multiplicative inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this.
...
Adding days to $Date in PHP
...
From PHP 5.2 on you can use modify with a DateTime object:
http://php.net/manual/en/datetime.modify.php
$Date1 = '2010-09-17';
$date = new DateTime($Date1);
$date->modify('+1 day');
$Date2 = $date->format('Y-m-d');
Be careful when adding month...
如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是生活的一个缩影，是一个被缩小了的生活。置身于投资世界的人们，同样面临着恐惧和贪婪的诱惑和驱使。投资世界赤裸裸的金钱交易，更加放大了这种情绪。以至于我们的思维、心情在恐惧和贪婪中完全迷失自我。其实在操...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...NGO内置的建模语言是一种描述性语言，用它可以描述现实世界中的一些问题，然后再借助于LINGO求解器求解。因此，集属性的值一旦在模型中被确定，就不可能再更改。在LINGO中，只有在初始部分中给出的集属性值在以后的求解...
Use RSA private key to generate public key?
...ey:
RSAPrivateKey ::= SEQUENCE {
version Version,
modulus INTEGER, -- n
publicExponent INTEGER, -- e
privateExponent INTEGER, -- d
prime1 INTEGER, -- p
prime2 INTEGER, -- q
exponent1 INTEGER, --...
Can I invoke an instance method on a Ruby module without including it?
I have a module which declares a number of instance methods
10 Answers
10
...
Seedable JavaScript random number generator
... returns in range [start, end): including start, excluding end
// can't modulu nextInt because of weak randomness in lower bits
var rangeSize = end - start;
var randomUnder1 = this.nextInt() / this.m;
return start + Math.floor(randomUnder1 * rangeSize);
}
RNG.prototype.choice = functio...