newProgrammer's questions

我正在尝试做这样的事情：

内容输出通过react-jsx

{key % 4 == 0 ? (
  <div className="grid">grid</div>
) : (
 <div className="list">list</div>
)}

我得到这个布局：

<div class="grid">grid</div>
<div class="list">list</div>
<div class="list">list</div>
<div class="list">list</div>
<div class="grid">grid</div>
<div class="list">list</div>
<div class="list">list</div>
<div class="list">list</div>
<div class="grid">grid</div>
<div class="list">list</div>
<div class="list">list</div>
<div class="list">list</div>
<div class="grid">grid</div>
<div class="list">list</div>
<div class="list">list</div>
<div class="list">list</div>

任务是如何从屏幕截图中的这种布局中弥补css

我通过库向服务器发出请求，axios但出现错误：

可能是什么问题以及如何解决这个问题？

完整代码

为什么这段代码不保存 cookie？

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://ocservice.taobao.com/cookieController/processUserCookie?site=CN_zh-CN_CNY_156&callback=jsonp_1546706091271_92560');
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_setopt($ch, CURLOPT_COOKIEJAR, dirname(__FILE__) . '/cookie.txt');
$http_headers = array(
                'Host: www.google.ca',
                'User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0.2) Gecko/20100101 Firefox/6.0.2',
                'Accept: */*',
                'Accept-Language: en-us,en;q=0.5',
                'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7',
                'Connection: keep-alive'
              );
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $http_headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
$output = curl_exec($ch);
curl_close($ch);

有资源expo.io，很方便，实用的现成框架，但是不明白有没有可能建.apk或者.ipo，如果有，怎么做？

为什么这段代码没有解码为 json 这样做：

$json = 'jsonp1776({"rateDetail":{"rateCount":{"total":14,"shop":0,"picNum":5,"used":1},"rateDanceInfo":{"storeType":4,"currentMilles":1540722083967,"showChooseTopic":false,"intervalMilles":24472088538},"rateList":[{"auctionPicUrl":"","userInfo":"","displayRatePic":"","dsr":0,"displayRateSum":0,"appendComment":null,"fromMemory":0,"picsSmall":[],"tmallSweetPic":"","rateDate":"2018-10-23 09:17:05","rateContent":"浠婂ぉ涔熸槸绌挎潵鍝ュ悓娆剧殑涓€澶 鍢诲樆 寮€蹇 閴村畾杩囨槸姝ｅ搧鍟?,"fromMall":true,"userIdEncryption":"","sellerId":3329658704,"displayUserLink":"","id":1021711195318,"aliMallSeller":false,"reply":"","pics":["//img.alicdn.com/bao/uploaded/i1/O1CN0128PhI3WWMbIKcx0_!!0-rate.jpg","//img.alicdn.com/bao/uploaded/i4/O1CN0128PhI3mQz3Gh9DM_!!0-rate.jpg"],"buyCount":0,"userVipLevel":0,"auctionSku":"棰滆壊:榛勮壊;灏虹爜:S[缇庣増鍋忓ぇ]","anony":false,"displayUserNumId":0,"goldUser":false,"attributesMap":null,"tradeEndTime":{"date":14,"hours":19,"seconds":58,"month":9,"timezoneOffset":-480,"year":118,"minutes":8,"time":1539515338000,"day":0},"headExtraPic":"","aucNumId":0,"displayUserNick":"涓?**n","structuredRateList":[],"carServiceLocation":"","userVipPic":"","serviceRateContent":"","memberIcon":"","attributes":"","position":"","cmsSource":"澶╃尗","tamllSweetLevel":0,"gmtCreateTime":{"date":23,"hours":9,"seconds":5,"month":9,"timezoneOffset":-480,"year":118,"minutes":17,"time":1540257425000,"day":2},"useful":true,"displayUserRateLink":""},{"auctionPicUrl":"","userInfo":"","displayRatePic":"","dsr":0,"displayRateSum":0,"appendComment":null,"fromMemory":0,"picsSmall":[],"tmallSweetPic":"","rateDate":"2018-10-19 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鍠滄馃挄","fromMall":true,"userIdEncryption":"","sellerId":3329658704,"displayUserLink":"","id":1021036217099,"aliMallSeller":false,"reply":"","pics":["//img.alicdn.com/bao/uploaded/i4/O1CN011IQHmHIY5Rh81tk_!!0-rate.jpg"],"buyCount":0,"userVipLevel":0,"auctionSku":"棰滆壊:鐧借壊;灏虹爜:L[缇庣増鍋忓ぇ]","anony":false,"displayUserNumId":0,"goldUser":false,"attributesMap":null,"tradeEndTime":{"date":19,"hours":0,"seconds":17,"month":9,"timezoneOffset":-480,"year":118,"minutes":37,"time":1539880637000,"day":5},"headExtraPic":"","aucNumId":0,"displayUserNick":"鏉?**i","structuredRateList":[],"carServiceLocation":"","userVipPic":"","serviceRateContent":"","memberIcon":"","attributes":"","position":"","cmsSource":"澶╃尗","tamllSweetLevel":0,"gmtCreateTime":{"date":19,"hours":0,"seconds":9,"month":9,"timezoneOffset":-480,"year":118,"minutes":40,"time":1539880809000,"day":5},"useful":true,"displayUserRateLink":""},{"auctionPicUrl":"","userInfo":"","displayRatePic":"","dsr":0,"displayRateSum":0,"appendComment":null,"fromMemory":0,"picsSmall":[],"tmallSweetPic":"","rateDate":"2018-10-14 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杩橀€佹垜涓€杈嗛鐏€傝醇甯呯殑","fromMall":true,"userIdEncryption":"","sellerId":3329658704,"displayUserLink":"","id":1020339153220,"aliMallSeller":false,"reply":"","pics":[],"buyCount":0,"userVipLevel":0,"auctionSku":"棰滆壊:娴呯伆鑹丙灏虹爜:M[缇庣増鍋忓ぇ]","anony":false,"displayUserNumId":0,"goldUser":false,"attributesMap":null,"tradeEndTime":{"date":13,"hours":12,"seconds":40,"month":9,"timezoneOffset":-480,"year":118,"minutes":17,"time":1539404260000,"day":6},"headExtraPic":"","aucNumId":0,"displayUserNick":"d***4","structuredRateList":[],"carServiceLocation":"","userVipPic":"","serviceRateContent":"","memberIcon":"","attributes":"","position":"","cmsSource":"澶╃尗","tamllSweetLevel":0,"gmtCreateTime":{"date":13,"hours":12,"seconds":53,"month":9,"timezoneOffset":-480,"year":118,"minutes":18,"time":1539404333000,"day":6},"useful":true,"displayUserRateLink":""},{"auctionPicUrl":"","userInfo":"","displayRatePic":"","dsr":0,"displayRateSum":0,"appendComment":null,"fromMemory":0,"picsSmall":[],"tmallSweetPic":"","rateDate":"2018-09-14 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19:47:50","rateContent":"璐ㄩ噺闈炲父濂斤紝涓庡崠瀹舵弿杩扮殑瀹屽叏涓€鑷达紝闈炲父婊℃剰,鐪熺殑寰堝枩娆紝瀹屽叏瓒呭嚭鏈熸湜鍊硷紝鍙戣揣閫熷害闈炲父蹇紝鍖呰闈炲父浠旂粏銆佷弗瀹烇紝鐗╂祦鍏徃鏈嶅姟鎬佸害寰堝ソ锛岃繍閫侀€熷害寰堝揩锛屽緢婊℃剰鐨勪竴娆¤喘鐗╄川閲忓緢濂斤紝甯屾湜鏇村鐨勬湅鍙嬩俊璧栵紟搴椾富鎬佸害鐗瑰ソ锛屾垜浼氬啀娆″厜椤剧殑锛庡彲涓嶅彲浠ュ啀渚垮疁鐐癸紟鎴戝甫鏈嬪弸鏉ヤ綘瀹朵拱銆備笉濂芥剰鎬濊瘎浠锋櫄浜嗭紝闈炲父濂界殑搴楀锛屼笢瑗垮緢娆紒涔版潵杩欎釜鏄€佷汉鐨勫ス寰堝枩娆㈠崠瀹剁殑璐村績璁╂垜鎰熷埌寰堟俯鏆栥€傚緢鐑儏鐨勫崠瀹讹紝涓嬫杩樻潵甯屾湜涓嬫杩樻湁鏈轰細鍚堜綔绁濅綘鐢熸剰鍏撮殕璐ㄩ噺闈炲父濂界湡鍑轰箮鎴戠殑鎰忔枡鍖呰闈炲父浠旂粏闈炲父鎰熻阿銆傜鐢熸剰鍏撮殕锛侊紒","fromMall":true,"userIdEncryption":"","sellerId":3329658704,"displayUserLink":"","id":1021728982469,"aliMallSeller":false,"reply":"","pics":[],"buyCount":0,"userVipLevel":0,"auctionSku":"棰滆壊:钘忛潚鑹丙灏虹爜:S[缇庣増鍋忓ぇ]","anony":false,"displayUserNumId":0,"goldUser":false,"attributesMap":null,"tradeEndTime":{"date":23,"hours":19,"seconds":7,"month":9,"timezoneOffset":-480,"year":118,"minutes":47,"time":1540295227000,"day":2},"headExtraPic":"","aucNumId":0,"displayUserNick":"瀵?**涓?,"structuredRateList":[],"carServiceLocation":"","userVipPic":"","serviceRateContent":"","memberIcon":"","attributes":"","position":"","cmsSource":"澶╃尗","tamllSweetLevel":0,"gmtCreateTime":{"date":23,"hours":19,"seconds":50,"month":9,"timezoneOffset":-480,"year":118,"minutes":47,"time":1540295270000,"day":2},"useful":true,"displayUserRateLink":""},{"auctionPicUrl":"","userInfo":"","displayRatePic":"","dsr":0,"displayRateSum":0,"appendComment":{"commentId":0,"days":1,"reply":"","commentTime":"2018-10-18 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13:28:55","rateContent":"灏辨槸鍐茬潃璐ㄩ噺鏉ョ殑","fromMall":true,"userIdEncryption":"","sellerId":3329658704,"displayUserLink":"","id":1015882409765,"aliMallSeller":false,"reply":"","pics":[],"buyCount":0,"userVipLevel":0,"auctionSku":"棰滆壊:鐧借壊;灏虹爜:S[缇庣増鍋忓ぇ]","anony":false,"displayUserNumId":0,"goldUser":false,"attributesMap":null,"tradeEndTime":{"date":5,"hours":13,"seconds":28,"month":8,"timezoneOffset":-480,"year":118,"minutes":28,"time":1536125308000,"day":3},"headExtraPic":"","aucNumId":0,"displayUserNick":"娴?**1","structuredRateList":[],"carServiceLocation":"","userVipPic":"","serviceRateContent":"","memberIcon":"","attributes":"","position":"","cmsSource":"澶╃尗","tamllSweetLevel":0,"gmtCreateTime":{"date":5,"hours":13,"seconds":55,"month":8,"timezoneOffset":-480,"year":118,"minutes":28,"time":1536125335000,"day":3},"useful":true,"displayUserRateLink":""},{"auctionPicUrl":"","userInfo":"","displayRatePic":"","dsr":0,"displayRateSum":0,"appendComment":null,"fromMemory":0,"picsSmall":[],"tmallSweetPic":"","rateDate":"2018-10-23 11:05:55","rateContent":"榛勮壊瀹炵墿杩樻槸寰堝ソ鐪嬬殑 搴椾富浜轰篃涓嶉敊","fromMall":true,"userIdEncryption":"","sellerId":3329658704,"displayUserLink":"","id":1021657538950,"aliMallSeller":false,"reply":"","pics":["//img.alicdn.com/bao/uploaded/i2/O1CN0120tS5wWgHwLpCUR_!!0-rate.jpg"],"buyCount":0,"userVipLevel":0,"auctionSku":"棰滆壊:榛勮壊;灏虹爜:S[缇庣増鍋忓ぇ]","anony":false,"displayUserNumId":0,"goldUser":true,"attributesMap":null,"tradeEndTime":{"date":23,"hours":11,"seconds":24,"month":9,"timezoneOffset":-480,"year":118,"minutes":5,"time":1540263924000,"day":2},"headExtraPic":"","aucNumId":0,"displayUserNick":"y***1","structuredRateList":[],"carServiceLocation":"","userVipPic":"","serviceRateContent":"","memberIcon":"","attributes":"","position":"","cmsSource":"澶╃尗","tamllSweetLevel":0,"gmtCreateTime":{"date":23,"hours":11,"seconds":55,"month":9,"timezoneOffset":-480,"year":118,"minutes":5,"time":1540263955000,"day":2},"useful":true,"displayUserRateLink":""}],"searchinfo":"","from":"search","paginator":{"lastPage":1,"page":1,"items":14},"tags":[]}})';
$json = json_decode(substr($json,14,-1));
print_r($json);

如何将逗号转换为点，例如，有一个帐户：1,973.85我想这样转换：1973.85并乘以2，我执行以下操作：

{{ 1,973.85|number_format(2, ',', '.') * 2 }}

但我收到一个错误。在输出中，您需要得到以下格式：3 947.7

如何在Twig中实现这一点？

无论内容的高度如何，如何推footer到页面底部。

例子：

就像这个：

173.39999999999998

将数字四舍五入：

173.40

在 jquery 上为什么这段代码不起作用：

$(document).ready(function(){
  $('#test').toFixed(2)
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="test">159.5661651</div>

如何基于父循环遍历循环。

$( ".root > div > div" ).click(function() {
  var thissku = $(this);
  //alert(thissku.attr('name'));
  $(thissku.parent()).each(function(index) {
    console.log($(this).attr('name'));
  });
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="root">
  <div class="div-root">
    <div name="1">test</div>
    <div name="2">test</div>
    <div name="2">test</div>
  </div>
</div>

为什么除了 chrome android 之外的移动浏览器样式min-width不起作用：

这opera：

请帮我解决我做错了什么：

// (1)
var XHR = ("onload" in new XMLHttpRequest()) ? XMLHttpRequest : XDomainRequest;

var xhr = new XHR();

// (2) запрос на другой домен :)
xhr.open('GET', 'https://clients1.google.com/complete/search?q=asd&client=translate-web&ds=translate&hl=zh&requiredfields=tl%3Aru&callback=_callbacks____2jb907enn', true);

xhr.onload = function() {
  alert( this.responseText );
}

xhr.onerror = function() {
  alert( 'Ошибка ' + this.status );
}

xhr.send();

为什么跨域请求会返回错误，如何正确？

网站是连接ssl的，但问题是浏览器还是发誓不安全：

图片中是一个子域m，但主域工作正常，例如：

c希望http不会影响 seo。302https

帮助：

$re = '/catalog\/category.+cid=[0-9]+&/';
$str = '/catalog/category/vechernie-platya/?cid=50103022&';
preg_match($re, $str, $matches, PREG_OFFSET_CAPTURE, 0);
print_r($matches);

获得价值，[0-9]即50103022

帮助，它正确显示循环中的行，例如，循环中有一个 div 从第一次开始并跳过 2 次迭代，我想在 div 中显示测试类，结果是这样的：

<div class="test"></div>
<div></div>
<div></div>
<div class="test"></div>
<div></div>
<div></div>
<div class="test"></div>

如何正确实现这样的方案，php具体是怎样的我记不太清了，大概是在你需要添加的循环中，比如像这样：

$test = 2%;

如果他们会检查，请帮助我记住。

我试图解析aliexpress 产品卡，起初我以为我会通过 Simple HTML DOM 进行解析，但是当我切换到移动版本时，我看到所有响应都是通过 ajax 接收的：

但curl我无法通过。

function file_get_contents_curl($url) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_URL, $url);
    $data = curl_exec($ch);
    curl_close($ch);
    return $data;
}
print_r(file_get_contents_curl('https://m.ru.aliexpress.com/ajaxapi/product/ajaxDetail.do?productId=32832914406'));  

在这里，我认为是 cookie 或标头。即使是这样，从哪里获取它们以及如何正确发送它们？

帮助破译我在 api 中遇到这样一个数组的日期：

activityEndTime:"20171025000000"
activityStartTime: "20171024000000"

如何在php中将其解密为人类可读的日期

帮助添加一行，例如有一个属性：

data-original="https://img.alicdn.com/imgextra/i3/1857444359/TB2j9N5aEafF1Jjy1XbXXaYiXXa_!!1857444359.jpg"

如何在链接末尾添加这一行：_100x100.jpg它看起来像这样：

data-original="https://img.alicdn.com/imgextra/i3/1857444359/TB2j9N5aEafF1Jjy1XbXXaYiXXa_!!1857444359.jpg_100x100.jpg"

这就是我如何得到它：

$re = '/data-original=.+.jpg/';
$str = 'data-original="https://img.alicdn.com/imgextra/i3/1857444359/TB2j9N5aEafF1Jjy1XbXXaYiXXa_!!1857444359.jpg"';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
var_dump($matches);

但我必须在之后添加.jpg

有时一个li比另一个短：

.ul {
    border:1px solid;
    padding: 10px;
}
.ul > li {
    border:1px solid;
    list-style:none;
    display: inline-block;
    width: 100px;
    vertical-align:top;
}

<ul class="ul">
  <li>Тут какой-то текст</li>
  <li>Тут много текста и еще много много всего</li>
</ul>

它们如何在同一级别上独立于其他人进行对齐。

我发现有这样一个插件在滚动时粘着，问题是粘着在移动设备上不起作用这里有一个演示如何在滚动时使粘着起作用，position: sticky;它也不起作用

textarea 当我明确指向第一个标签时，为什么第二个标签会粘在第一个标签 上。

$html = new simple_html_dom();
$html->load_file('http://домен.com?num_iid=538522618444');
print_r($html->find('textarea[ondblclick]',0)->plaintext);

但同时，当我将索引更改为1我得到第二个标签的内容时，textarea[ondblclick]没有额外的标签，一个干净的数组