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What is the purpose of setting a key in data.table?
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Creating a singleton in Python
...ice because of their ease of use for the task.
Here is a quote from http://googletesting.blogspot.com/2008/08/root-cause-of-singletons.html:
Now, there is one kind of Singleton which is OK. That is a singleton where all of the reachable objects are immutable. If all objects are immutable than Singl...
How do CDI and EJB compare? interact?
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What is the C runtime library?
... actually is a C runtime library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many common pr...
ReactJS: Modeling Bi-Directional Infinite Scrolling
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How to use Boost in Visual Studio 2010
...gs > Expert Mode in order to even see the property sheets. Took me some googling to finally find this out...
– Zack The Human
Aug 18 '10 at 0:41
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Why do we copy then move?
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How do you parse and process HTML/XML in PHP?
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// Dump contents (without tags) from HTML
echo file_get_html('http://www.google.com/')->plaintext;
Scraping Slashdot:
// Create DOM from URL
$html = file_get_html('http://slashdot.org/');
// Find all article blocks
foreach($html->find('div.article') as $article) {
$item['title'] ...
What's the difference between Cache-Control: max-age=0 and no-cache?
...vested interest in causing more data to be downloaded from their networks. Google might not be a good choice for emulation, either. They seem to use max-age=0 or no-cache randomly depending on the resource.
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Extract traceback info from an exception object
...<traceback object at 0x00000000022A9208>
The problem is that after Googling __traceback__ for a while I found only few articles but none of them describes whether or why you should (not) use __traceback__.
However, the Python 3 documentation for raise says that:
A traceback object is no...