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优化InnerHTML操作 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...如下：
<html>
<head>
<title>test</title>
</head>
<body>
<div>
<p>data<p>
</div>
<script>
document.onmousedown = function() {
for (var i = 0; i < 10; i++) {
var p = document.createElement("p");
p.appendChild(document.createTextNode(Math.random()));
d...
Javascript heredoc
I need something like heredoc in JavaScript. Do you have any ideas for this? I need cross-browser functionality.
14 Answers...
Error: free(): invalid next size (fast):
What is this strange error I'm getting? I'm compiling C++ using g++ on Ubuntu 10.10. It pops up randomly when I run the executable (maybe 2 times in 8 hours, with 10 compiles an hour). However, if I make clean and recompile it goes away most of the time.
...
Does C have a “foreach” loop construct?
Almost all languages have a foreach loop or something similar. Does C have one? Can you post some example code?
12 Answer...
AngularJS - placeholder for empty result from filter
I want to have a place holder, e.g. &lt;No result&gt; when filter result returns empty. Could anyone please help? I don't even know where to start...
...
Use Mockito to mock some methods but not others
...n, yes, you can mock some methods without mocking others. This is called a partial mock. See the Mockito documentation on partial mocks for more information.
For your example, you can do something like the following, in your test:
Stock stock = mock(Stock.class);
when(stock.getPrice()).thenReturn(...
How to shrink/purge ibdata1 file in MySQL
I am using MySQL in localhost as a "query tool" for performing statistics in R, that is, everytime I run a R script, I create a new database (A), create a new table (B), import the data into B, submit a query to get what I need, and then I drop B and drop A.
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How do you run multiple programs in parallel from a bash script?
I am trying to write a .sh file that runs many programs simultaneously
15 Answers
1...
Getting DOM elements by classname
I'm using PHP DOM and I'm trying to get an element within a DOM node that have a given class name. What's the best way to get that sub-element?
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Get value of a string after last slash in JavaScript
...or over an hour and cant figure out the right way to do it, although it is probably pretty easy:
10 Answers
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