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How do you parse and process HTML/XML in PHP?
... and modifying real world (broken) HTML and it can do XPath queries. It is based on libxml.
It takes some time to get productive with DOM, but that time is well worth it IMO. Since DOM is a language-agnostic interface, you'll find implementations in many languages, so if you need to change your pro...
Navigation in django
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I use template inheritance to customize navigation. For example:
base.html
<html>
<head>...</head>
<body>
...
{% block nav %}
<ul id="nav">
<li>{% block nav-home %}<a href="{% url home %}">Home</a>...
How do you do natural logs (e.g. “ln()”) with numpy in Python?
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np.log is ln, whereas np.log10 is your standard base 10 log.
Relevant documentation:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.log.html
http://docs.scipy.org/doc/numpy/reference/generated/numpy.log10.html
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C++11 reverse range-based for-loop
...ction of iterators so I can iterate over a container in reverse with range-based for-loop?
8 Answers
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Hibernate: Automatically creating/updating the db tables based on entity classes
...ated -->
<property name="javax.persistence.schema-generation.database.action" value="drop-and-create" />
</properties>
used Wildfly's in-memory H2 database
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JavaScript: What are .extend and .prototype used for?
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Javascript's inheritance is prototype based, so you extend the prototypes of objects such as Date, Math, and even your own custom ones.
Date.prototype.lol = function() {
alert('hi');
};
( new Date ).lol() // alert message
In the snippet above, I define a met...
In C#, can a class inherit from another class and an interface?
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Yes. Try:
class USBDevice : GenericDevice, IOurDevice
Note: The base class should come before the list of interface names.
Of course, you'll still need to implement all the members that the interfaces define. However, if the base class contains a member that matches an interface member, ...
How to extend an existing JavaScript array with another array, without creating a new array
...ou cannot guarantee that b is short enough, you should use a standard loop-based technique described in the other answer.
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Why seal a class?
... What if an implementation change you have no control over in the base class breaks you? Whose fault is that? Inheritance introduces fragility, basically. Favouring composition over inheritance promotes robustness, IMO.
– Jon Skeet
Nov 6 '08 at 11:05
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How do you reindex an array in PHP?
...r your end goal is, you wouldn't actually need to modify the array to be 1-based as opposed to 0-based, but could instead handle it at iteration time like Gumbo posted.
However, to answer your question, this function should convert any array into a 1-based version
function convertToOneBased( $arr ...