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How to optimize for-comprehensions and loops in Scala?
...wse_thread/thread/94740a10205dddd2
Here is the issue in the bug tracker:
https://issues.scala-lang.org/browse/SI-4633
Update 5/28:
As a short term solution, the ScalaCL plugin (alpha) will transform simple Scala loops into the equivalent of while loops.
As a potential longer term solution, team...
scrapy xpath抓取节点的文本innerText、innerHTML、outerHTML - 更多技术 -...
scrapy xpath抓取节点的文本innerText、innerHTML、outerHTML假设抓取：<p> xx<b>x< b>< p> 抓取p节点本身，得到的内容：<p>xx<b>x< b>< p>response xpath(& 39; div[@class="question"] div[2] div[2] div[1] p[1]& 39;) extract() 抓 假设抓取：
<p>
xx<b>x</b>
</p>
scra...
How to reload page every 5 seconds?
...location.reload(); use this if you do not remove cache
}
&lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"&gt;&lt;/script&gt;
&lt;p&gt;Auto reload page and clear cache&lt;/p&gt;
and you can also use meta for this
&lt;meta http-equiv="Refresh" content="5"&g...
Way to read first few lines for pandas dataframe
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
SQL Joins Vs SQL Subqueries (Performance)?
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I would EXPECT the first query to be quicker, mainly because you have an equivalence and an explicit JOIN. In my experience IN is a very slow operator, since SQL normally evaluates it as a series of WHERE clauses separated by "OR" (WH...
Get element at specified position - JavaScript
...ompoint
http://msdn.microsoft.com/en-us/library/ms536417%28VS.85%29.aspx
https://developer.mozilla.org/en/DOM/document.elementFromPoint
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Convert MySQL to SQlite [closed]
...sh myDbase | sqlite3 database.sqlite
alternatives
an updated version https://github.com/dumblob/mysql2sqlite
A simpler script was posted at the the MySQL Forums
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Can git ignore a specific line?
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Continuing https://stackoverflow.com/a/20574486/4935114, @Mike proposed to create a pre-commit hook which will grep in the staged files for the lines which one might want to ignore. The hook checks if those lines were staged. If so, it ...
Markup XML解析库下载（Markup.h 和 Markup.cpp） - 源码下载 - 清泛网 - 专注C/C++及内核技术
Markup XML解析库下载（Markup.h 和 Markup.cpp）Markup CMarkup XML解析C++编写的，一个 h，一个 cpp，绿色小巧，直接加入工程源码编译，跨平台。使用方法参见《C++ 读写xml方法整理（持续更新）》Markup h M C++编写的，一个.h，一个.cpp，...
Cross browser JavaScript (not jQuery…) scroll to top animation
....abs(scrollY - scrollTargetY) / speed, .8));
// easing equations from https://github.com/danro/easing-js/blob/master/easing.js
var easingEquations = {
easeOutSine: function (pos) {
return Math.sin(pos * (Math.PI / 2));
},
easeInOutSine: fu...