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A non-blocking read on a subprocess.PIPE in Python
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Python 3.4 introduces new provisional API for asynchronous IO -- asyncio module.
The approach is similar to twisted-based answer by @Bryan Ward -- define a protocol and its methods are called as soon as data is ready:
#!/usr/bin/env python3
import asyncio
impo...
How can I tell jackson to ignore a property for which I don't have control over the source code?
...ass, MixIn.class);
Edit:
Thanks to the comments, with Jackson 2.5+, the API has changed and should be called with objectMapper.addMixIn(Class<?> target, Class<?> mixinSource)
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How to send a custom http status message in node / express?
...ding a custom JSON error message, since I'm using express to power my REST API. I think this is a fairly common scenario, so will focus on that in my answer.
Short Version:
Express Error Handling
Define error-handling middleware like other middleware, except with
four arguments instead of th...
Remove Fragment Page from ViewPager in Android
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Note this class is currently under early design and development. The API will likely change in later updates of the compatibility library, requiring changes to the source code of apps when they are compiled against the newer version.
So hopefully the workaround given here will not be necessa...
JPA or JDBC, how are they different?
...el (and older) specification than JPA. In it's bare essentials, JDBC is an API for interacting with a database using pure SQL - sending queries and retrieving results. It has no notion of objects or hierarchies. When using JDBC, it's up to you to translate a result set (essentially a row/column matr...
Asynchronous method call in Python?
...ticular, look at twisted.internet.defer (twistedmatrix.com/documents/8.2.0/api/…).
– Nicholas Riley
Oct 31 '09 at 20:56
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Convert a bitmap into a byte array
...e derived from System.Drawing.Image (see: docs.microsoft.com/en-us/dotnet/api/… )
– Chris Baxter
Mar 10 '19 at 13:23
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Determine which JAR file a class is from
I am not in front of an IDE right now, just looking at the API specs.
4 Answers
4
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When is it right for a constructor to throw an exception?
...iple followed, along with the simple concept that the behavior, state, and API of any interface should reflect WHAT the object does, not HOW it does it, client code should not even be aware that the object has any kind of internal state that requires initialization, thus the init after pattern viola...
Continuous Integration for Ruby on Rails? [closed]
..., but we use neither. It does deploys but we already have those set up in Capistrano.
The Choice
We went with Jenkins, but I really wish one of the lighter-weight solutions had worked out.
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