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Advantages of stateless programming?
... win from 'immutability' IMO. In an ideal world, we'd all design terrific APIs and even when things were mutable, effects would be local and well-documented and 'unexpected' interactions would be kept to a minimum. In the real world, there are lots of APIs that interact with global state in myriad...
Bytecode features not available in the Java language
...differently. At the same time, it is still possible to make the reflection API believe that the class represents an actual record.
Call any super method (until Java 1.1)
However, this is only possible for Java versions 1 and 1.1. In JBC, methods are always dispatched on an explicit target type. T...
Examples of GoF Design Patterns in Java's core libraries
...pattern implementations as possible, found in both the Java SE and Java EE APIs.
Creational patterns
Abstract factory (recognizeable by creational methods returning the factory itself which in turn can be used to create another abstract/interface type)
javax.xml.parsers.DocumentBuilderFactory#newI...
Android Json and null values
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"null" != null. The problem is that isNull needs api 9+ and sometimes you want lower apis to work. This answer is well, you can use jsonObject.getString != "null" to.
– sagits
Jul 31 '14 at 19:36
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How is __eq__ handled in Python and in what order?
...__eq__ or a custom one.
Default __eq__
Looking __eq__ up in the relevant C api docs shows us that __eq__ is handled by tp_richcompare - which in the "object" type definition in cpython/Objects/typeobject.c is defined in object_richcompare for case Py_EQ:.
case Py_EQ:
/* Return NotImpleme...
How well is Unicode supported in C++11?
...ʟ ʟᴇᴛᴛᴇʀ ᴊ ᴡɪᴛʜ ᴄᴀʀᴏɴ; there's no precomposed capital; it just uppercases to a capital J and a combining caron.
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Should import statements always be at the top of a module?
...ome different module at runtime.
if [condition]:
import foo as plugin_api
else:
import bar as plugin_api
xx = plugin_api.Plugin()
[...]
There are probably other situations where you might place imports in other parts in the code.
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how do I make a single legend for many subplots with matplotlib?
...
figlegend may be what you're looking for: http://matplotlib.org/api/pyplot_api.html#matplotlib.pyplot.figlegend
Example here: http://matplotlib.org/examples/pylab_examples/figlegend_demo.html
Another example:
plt.figlegend( lines, labels, loc = 'lower center', ncol=5, labelspacing=0. )...
Can You Get A Users Local LAN IP Address Via JavaScript?
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note the createOffer api has switched to be based on Promise instead of successCallback and failCallback as params, so this may not work on newer versions, see: developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/…
–...
How to create circle with Bézier curves?
...ius is usually the size where it will make a difference.
Certain drawing API's don't have true arc rendering so they also use Bezier curves, for example the Flash platform has no arc drawing api, so any frameworks that offer arcs are generally using the same Bezier curve approach.
Note that SVG e...