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Why is semicolon allowed in this python snippet?
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233
Python does not require semi-colons to terminate statements. Semi colons can be used to delim...
How do I decode HTML entities in Swift?
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23 Answers
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When to use extern in C++
... //set global_x here:
global_x = 5;
print_global_x();
}
source 2:
#include <iostream>
#include "header.h"
void print_global_x()
{
//print global_x here:
std::cout << global_x << std::endl;
}
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How to generate the JPA entity Metamodel?
In the spirit of type safety associated with the CriteriaQuery JPA 2.0 also has an API to support Metamodel representation of entities.
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Adding the “Clear” Button to an iPhone UITextField
...ttribute for adding this sub-control in Interface Builder in the iPhone OS 2.2 SDK.
10 Answers
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Difference between parameter and argument [duplicate]
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202
Argument is often used in the sense of actual argument vs. formal parameter.
The formal param...
get an element's id
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297
Yes you can just use the .id property of the dom element, for example:
myDOMElement.id
Or, ...
Is there a math nCr function in python? [duplicate]
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2 Answers
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How to convert list to string [duplicate]
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By using ''.join
list1 = ['1', '2', '3']
str1 = ''.join(list1)
Or if the list is of integers, convert the elements before joining them.
list1 = [1, 2, 3]
str1 = ''.join(str(e) for e in list1)
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ORACLE 常用日期函数 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...数，返回值日期之前几个月日期。
select add_months(to_date('20150201','yyyymmdd'), -1) from dual
结果：2015/1/1
相应的，加减天数add_days函数是不存在的，直接用+、-即可，例如：
select to_date('20150201','yyyymmdd')+1 from dual
结果：2015/2/2
当...