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AsyncTask and error handling on Android
I'm converting my code from using Handler to AsyncTask . The latter is great at what it does - asynchronous updates and handling of results in the main UI thread. What's unclear to me is how to handle exceptions if something goes haywire in AsyncTask#doInBackground .
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Pretty graphs and charts in Python [closed]
... a Matlab-style interactive API.
Chaco is a more modern plotting library from the folks at Enthought. It uses Enthought's Kiva vector drawing library and currently works only with Wx and Qt with OpenGL on the way (Matplotlib has backends for Tk, Qt, Wx, Cocoa, and many image types such as PDF, EPS...
How does JavaFX compare to WPF? [closed]
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It also provides a couple of functions that allow you to derive colours from other previously defined colours which is useful for creating things like gradients. This means a base palette of colours can be defined and the rest can be generated from these values (this is what the default JavaFX CS...
How should strace be used?
...codes for you, e.g. -EFAULT (oops, read-only buffer) or -ENOENT (oops, ran from the wrong directory where the relative path didn't work).)
– Peter Cordes
Apr 9 '19 at 6:50
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What is the difference between '/' and '//' when used for division?
... in the 2.x line, there is no difference for integers unless you perform a from __future__ import division, which causes Python 2.x to adopt the 3.x behavior.
Regardless of the future import, 5.0 // 2 will return 2.0 since that's the floor division result of the operation.
You can find a detailed ...
In Node.js, how do I “include” functions from my other files?
Let's say I have a file called app.js. Pretty simple:
26 Answers
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What do the python file extensions, .pyc .pyd .pyo stand for?
...ult in malfunctioning programs. Currently only __doc__ strings are removed from the bytecode, resulting in more compact ‘.pyo’ files. Since some programs may rely on having these available, you should only use this option if you know what you're doing.
A program doesn't run any faster when it ...
How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...in either source or
compiled form). Extension modules cannot be imported from zipfiles.
The default search path is installation dependent, but generally
begins with prefix/lib/pythonversion (see PYTHONHOME above). It is
always appended to PYTHONPATH.
An additional directory will be i...
Iterating C++ vector from the end to the beginning
Is it possible to iterate a vector from the end to the begin?
12 Answers
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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]
...multiple context types - for example shared entity types and their passing from one context to another, etc. Generally it is possible, it can make your design much cleaner and separate different functional areas but it has its costs in additional complexity.
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