我在Ruby中有以下正则表达式:
\<name\>(.+)\<\/name\>
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在if语句中,如下所示:
if line =~ /\<name\>(.+)\<\/name\>/
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有没有办法获得该组的价值(.+)?
提前致谢!
所以,我的代码看起来像
for(int n = 0; n < object.length; n++){
/*Other code */
$.get(...,function(data){
//do stuff
});}
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现在,其他代码像它应该的那样执行多次。但是,当运行 get 命令时,它仅运行一次,即 n 达到 object.length 时。这会导致各种错误。n 仅在 for 循环中递增。
不能循环 get/post 命令吗?或者如果可以的话,我做错了什么?谢谢。
首先,我不是要求任何人做我的作业.我只是对这个Java语法感到困惑.
下面是作业描述和我必须实现的两个类.第一个仅供参考.第二个是我遇到麻烦的那个.
能够用(理论上)具有最大值的数字编程是计算机科学的许多应用中的必要条件.您将编写一系列类来开始此任务.您的最后一课将允许您表示并至少添加任意长度的二进制数.
// You are to write (implement) this class exactly as dictated by the following list of class members.
public abstract AbstractBit:
private boolean bit;
public abstract AbstractBit clone();
public abstract AbstractBit addBits(AbstractBit guest);
public abstract AbstractBit addBits(AbstractBit guest1, AbstractBit guest2);
public abstract AbstractBit carryBit(AbstractBit guest);
public abstract AbstractBit carryBit(AbstractBit guest1, AbstractBit guest2);
protected void setBit(boolean value)
public boolean getBit()
public AbstractBit()
public AbstractBit(boolean value)
public AbstractBit(AbstractBit guest)
public boolean equals(AbstractBit guest)
public String toString()
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为什么我要添加类型的静态类变量 …
我有一个像这样的远程CSV:
EUR/USD,1353555876030,1.28,435,1.28,442,1.28261,1.28703,1.28278
USD/JPY,1353555897400,82.,448,82.,449,82.370,82.594,82.524
GBP/USD,1353555880620,1.59,610,1.59,618,1.59496,1.59722,1.59524
EUR/GBP,1353555883845,0.80,464,0.80,480,0.80374,0.80590,0.80416
USD/CHF,1353555869856,0.93,793,0.93,807,0.93549,0.93919,0.93886
EUR/JPY,1353555897821,105.,894,105.,901,105.825,106.267,105.862
EUR/CHF,1353555869848,1.20,470,1.20,491,1.20395,1.20509,1.20434
USD/CAD,1353555889301,0.99,580,0.99,595,0.99555,0.99684,0.99623
AUD/USD,1353555900458,1.03,892,1.03,901,1.03658,1.04019,1.03691
GBP/JPY,1353555897599,131.,593,131.,603,131.516,131.890,131.642
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将所有这些信息发送到mySQL数据库的最佳方法是什么?(我想每秒刷新并更新价格)
我无法对这里发生的事情有一些合理的认识,有人可以帮助我吗?
// heynow.js
$(document).ready(function() {
// on the checkbox disable it right away
$('#agree').attr('disabled', 'disabled');
//on the terms box add a scroll function
$('#terms').scroll(function() {
// textareheight equals scrollheight not accurate
var textareaheight = $(this).[0].scrollHeight;
// scrollheight equals scrollheight – the innerheight which is more accurate and dynamic
var scrollheight = textareaheight - $(this).innerHeight();
// scrolltop equals scrolltop returning where are you
var scrolltop = $(this).scrollTop();
// if where you at equals the total height
if (scrolltop == scrollheight) { …Run Code Online (Sandbox Code Playgroud) 我正在将变量与需要在子元素中找到的文本进行比较:
var selectedTVshow = 'something';
$('.tvshow').on('click', function() {
checkIfDuplicate(selectedTVshow);
})
function checkIfDuplicate(show) {
$('.container__list-of-shows li').each(function() {
var tvShowTitle = $(this).find('.container__list-of-shows__info__title').text;
console.log(tvShowTitle);
if (tvShowTitle === show)
$('body').append('<p>true</p>');
// return false
})
}
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见演示:http://jsfiddle.net/4Kh5S/1/
但是,它不会返回该对象的文本.我究竟做错了什么?