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What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
Why were 181783497276652981 and 8682522807148012 chosen in Random.java ?
3 Answers
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Build vs new in Rails 3
...enrym:~/testapp$ rails c
Loading development environment (Rails 3.0.4)
r:001 > (some_firm = Firm.new).save # Create and save a new Firm
#=> true
r:002 > some_firm.clients # No clients yet
#=> []
r:003 > some_firm.clients.new # Create a new client
#=> #<Client i...
快速理解 高频对冲套利自动交易(程式化交易) - 更多技术 - 清泛网 - 专注...
...、程序化交易等等的误解与混乱,特开贴探讨。破题篇:1、何谓:高频?T+0制度下,反反复复做同样一件...有感于,目前中国期货界,对于量化投资、程序化交易等等的误解与混乱,特开贴探讨。
破题篇:
1、何谓:高频...
How Do I Document Packages in Java?
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As of 1.5 you can define a package-info.java file and provide a standard javadoc style comment for a package:
com/foo/package-info.java:
/**
* com.foo is a group of bar utils for operating on foo things.
*/
package com.foo;
//...
Move an item inside a list?
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161
Use the insert method of a list:
l = list(...)
l.insert(index, item)
Alternatively, you can...
C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...。每次创建类的新对象时,初始化指针并将引用计数置为1;当对象作为另一对象的副本而创建时,拷贝构造函数拷贝指针并增加与之相应的引用计数;对一个对象进行赋值时,赋值操作符减少左操作数所指对象的引用计数(如...
How to specify Composer install path?
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140
It seems that you can define the vendor dir to be something else (plugins in your case):
{
...
How to upload a file in Django? [closed]
... a newbie to Django, I am having difficulty making an upload app in Django 1.3. I could not find any up-to-date example/snippets. May someone post a minimal but complete (Model, View, Template) example code to do so?
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Print new output on same line [duplicate]
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187
From help(print):
Help on built-in function print in module builtins:
print(...)
print(v...
