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How do I change the string representation of a Python class? [duplicate]
...class. Then Java's print function prints the string representation of the object defined by its toString() . Is there a Python equivalent to Java's toString() ?
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Event handler not working on dynamic content [duplicate]
I have a tag A in which when clicked on, it appends another tag B to perform an action B on click. So when I click on tag B, action B is performed. However, the .on method does not seems to be working on the dynamically created tag B.
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php each与list的用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...写
reset($arr);
for(;$tmp=each($arr);){
echo $tmp[0],'~',$tmp[1],'<br />';
}
/*
返回
0~你
1~若
2~安
3~好
4~便
5~是
6~晴
7~天
*/
?>
2.list的用法
先看api是怎么说的：像 array() 一样，这不是真正的函数，而是语言结构。list()用一步操作...
window+nginx+php-cgi的php-cgi线程/子进程问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
window+nginx+php-cgi的php-cgi线程/子进程问题见bbshttp: bbs csdn net topics 390803643 close正常的配置情况下,window的php-cgi是不会出现多线程 子进程的,例如以下配置fastcgi_pass 见bbs
http://bbs.csdn.net/topics/390803643/close
正常的配置情况下,window...
About Java cloneable
I was looking for some tutorials explaining about Java Cloneable , but did not get any good links, and Stack Overflow is becoming more obvious choice anyways.
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Repeat each row of data.frame the number of times specified in a column
...e simplest way to expand each row the first two columns of the data.frame above, so that each row is repeated the number of times specified in the column 'freq'?
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What is the difference between & and && in Java?
...s thought that && operator in Java is used for verifying whether both its boolean operands are true , and the & operator is used to do Bit-wise operations on two integer types.
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How to overload functions in javascript?
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There are multiple aspects to argument overloading in Javascript:
Variable arguments - You can pass different sets of arguments (in both type and quantity) and the function will behave in a way that matches the arguments passed to it.
Default arguments - You can define a default value for an arg...
How to clone a case class instance and change just one field in Scala?
...ople on different social networks. Instances of that class are fully immutable, and are held in immutable collections, to be eventually modified by an Akka actor.
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