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Web-scraping JavaScript page with Python
...;
<head>
<meta charset="utf-8">
<title>Javascript scraping test</title>
</head>
<body>
<p id='intro-text'>No javascript support</p>
<script>
document.getElementById('intro-text').innerHTML = 'Yay! Supports javascript';
</script&...
Encapsulation vs Abstraction?
...emory, making jumps go to the right address, etc.
Your operating system's API is an abstraction of the underlying machine. Your compiler provides a layer of abstraction which shields you from the details of assembly language. The TCP/IP stack built into your operating system abstracts away the deta...
Which annotation should I use: @IdClass or @EmbeddedId
The JPA (Java Persistence API) specification has 2 different ways to specify entity composite keys: @IdClass and @EmbeddedId .
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Directory does not exist. Parameter name: directoryVirtualPath
...
I converted a asp.net mvc project to web api and really had no use of jquery, css files. Glad I found your post. Fixed it and everything is working fine.
– Sam
Mar 21 '15 at 13:21
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Why do we need fibers
...ous library (eventmachine in this case) into what looks like a synchronous API without losing the advantages of IO-scheduling of the asynchronous execution. Here is the link.
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Strip HTML from Text JavaScript
...of Javascript. Therefore we didn't add bulk, we took advantage of existing API code...
– Mark
Mar 14 '12 at 16:31
35
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Validating with an XML schema in Python
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lxml provides etree.DTD
from the tests on http://lxml.de/api/lxml.tests.test_dtd-pysrc.html
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root = etree.XML(_bytes("<b/>"))
dtd = etree.DTD(BytesIO("<!ELEMENT b EMPTY>"))
self.assert_(dtd.validate(root))
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Explain ExtJS 4 event handling
...nd then fire them again as if they originate from the first component. The API docs give the example of a grid relaying the store load event. It is quite handy when writing custom components that encapsulate several sub-components.
The other way around, i.e. passing on events received by an encapsu...
No ConcurrentList in .Net 4.0?
..., not a linked list) is not easy to write with nonblocking operations. Its API doesn't translate well to a "concurrent" version.
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How do you make a deep copy of an object?
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You can use a library that has a simple API, and performs relatively fast cloning with reflection (should be faster than serialization methods).
Cloner cloner = new Cloner();
MyClass clone = cloner.deepClone(o);
// clone is a deep-clone of o
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