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What does the “yield” keyword do?
...create_atm(self):
... while not self.crisis:
... yield "$100"
>>> hsbc = Bank() # When everything's ok the ATM gives you as much as you want
>>> corner_street_atm = hsbc.create_atm()
>>> print(corner_street_atm.next())
$100
>>> print(corner_stree...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
...tement // not optional here
var x = 0 // declaration
while (x < 10) { x += 1 } // stuff
(x % 5) + 1 // expression
}
( expression )
So, if you need declarations, multiple statements, an import or anything like that, you need curly braces. And because an expression is a statement, par...
MySQL “between” clause not inclusive?
...
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iPhone get SSID without private library
...emy W. Sherman
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Getting list of parameter names inside python function [duplicate]
...
answered Oct 29 '10 at 11:40
simplyharshsimplyharsh
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STL：accumulate与自定义数据类型 - C/C++ - 清泛网 - 专注C/C++及内核技术
...器中C++内置数据类型，例如：
#include <numeric>
int arr[]={10,20,30,40,50};
vector<int> va(&arr[0],&arr[5]);
int sum=accumulate(va.begin(),va.end(),0); //sum = 150
但是对于自定义数据类型，我们就需要自己动手写一个类来实现自定义数据的处理，然后...
What does = +_ mean in JavaScript
... to 0?
– colincameron
Feb 28 '13 at 10:06
3
@c.cam108 See the MDN page on the unary plus operator...
Differences between utf8 and latin1
...
answered Apr 25 '10 at 16:54
BalusCBalusC
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Calling closure assigned to object property directly
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As of PHP7, you can do
$obj = new StdClass;
$obj->fn = function($arg) { return "Hello $arg...
廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ocalhost6 localhost6.localdomain6
172.16.20.45 gfs_1
172.16.20.46 gfs_2
10.10.10.45 gfs_1
10.10.10.46 gfs_2
2、配置双机互信
[root@gfs_1 ~]# ssh-keygen -t rsa -P ''
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Your identificatio...