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Alternate background colors for list items
...ink 5</a></li>
</ul>
In a <style> section of the HTML page, or in a linked stylesheet, you would define those same classes, specifying your desired background colours:
li.even { background-color: red; }
li.odd { background-color: blue; }
You might want to use a template ...
What is boilerplate code?
...e etymology the term boilerplate: from http://www.takeourword.com/Issue009.html...
Interestingly, the term arose from the newspaper business. Columns
and other pieces that were syndicated were sent out to subscribing
newspapers in the form of a mat (i.e. a matrix). Once received,
boilin...
社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...一套抓取规则肯定不行的，需要多个规则配合抓取。
5、html不完整，不完整就不能按照正常模式去扣取。这个时候用xpath肯定解析不了，我们可以先用htmlcleaner清洗网页后再解析。
6、 如果网站多起来，规则配置这个工作量也会...
How to overload functions in javascript?
...ny one of three different types which gives you four different overloads:
html: function( value ) {
if ( value === undefined ) {
return this[0] && this[0].nodeType === 1 ?
this[0].innerHTML.replace(rinlinejQuery, "") :
null;
// See if we can take a s...
How do I use regex in a SQLite query?
... operator:
WHERE x REGEXP <regex>
http://www.sqlite.org/lang_expr.html#regexp
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How can I force a long string without any blank to be wrapped?
...nts where you want to allow breaks. The zero-width space is ​ in HTML. For example:
ACTGATCG​AGCTGAAG​CGCAGTGC​GATGCTTC​GATGATGC
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Selecting empty text input using jQuery
...lue of the INPUT, instead of the "value" attribute specified in the source HTML.
So it's a clever way to check for empty text fields, but I think it relies on a behavior specific to the Sizzle engine (that of using the current value of the INPUT instead of the attribute defined in the source code)....
Get the size of the screen, current web page and browser window
...ze of browser viewport.
$(window).height();
$(window).width();
// Size of HTML document (same as pageHeight/pageWidth in screenshot).
$(document).height();
$(document).width();
For screen size you can use the screen object:
window.screen.height;
window.screen.width;
...
What is “android.R.layout.simple_list_item_1”?
...that you can use:
http://developer.android.com/reference/android/R.layout.html
(Updated link thanks @Estel: https://github.com/android/platform_frameworks_base/tree/master/core/res/res/layout )
You can actually view the code for the layouts.
...
How to escape double quotes in JSON
...le quotes \\\". This is because you're building your text string within an HTML <script> block, and the first double backslash inserts a single backslash into the string variable then the following backslash double quote inserts the double quote into the string so that the resulting script str...