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Using OR in SQLAlchemy

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AsyncTaskLoader vs AsyncTask

Since Honeycomb and the v4 Compatibility Library it is possible to use AsyncTaskLoader . From what I understand, the AsyncTaskLoader can survive through config changes like screen flips. ...
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Is it safe to remove selected keys from map within a range loop?

How can one remove selected keys from a map? Is it safe to combine delete() with range, as in the code below? 4 Answers ...
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How do I apply a perspective transform to a UIView?

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Set markers for individual points on a line in Matplotlib

...h an example of marking an arbitrary subset of points, as requested in the comments: import numpy as np import matplotlib.pyplot as plt xs = np.linspace(-np.pi, np.pi, 30) ys = np.sin(xs) markers_on = [12, 17, 18, 19] plt.plot(xs, ys, '-gD', markevery=markers_on) plt.show() This last example u...
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Can you get DB username, pw, database name in Rails?

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How do you push a Git tag to a branch using a refspec?

...erhaps you saw the following error message: error: Trying to write non-commit object to branch refs/heads/master Annotated tags have their own distinct type of object that points to the tagged commit object. Branches can not usefully point to tag objects, only commit objects. You need to “p...
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What does a tilde in angle brackets mean when creating a Java generic class?

...se this too. The files on disk do not have this notation, which is only a compaction in the IDE GUI. share | improve this answer | follow | ...
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Why modelVersion of pom.xml is necessary and always set to 4.0.0?

...ys be set to 4.0.0 if there was another version of the model. A POM has to comply with a model. Let's say Maven 4 comes up with model 4.1. If you write your pom to comply with 4.1, it wouldn't be compatible with Maven 3 and model 4.0.0. It's defined as a mandatory, possibly to enforce a specific XM...
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How can I push a local Git branch to a remote with a different name easily?

...at points to the currently checked out branch, or directly to a particular commit if you have a detached head. – Brian Campbell Feb 14 '14 at 3:52 ...