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how to provide a swap function for my class?
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The comment in the first piece of code is misleading. using std::swap; does not enable ADL, it just allows the compiler to locate std::swap if ADL does not find a proper overload.
– David Rodríguez - dribea...
Multi-gradient shapes
...orks in XML, but should be doable for shapes in Java as well. It's kind of complex, and I imagine there's a way to simplify it into a single shape, but this is what I've got for now:
green_horizontal_gradient.xml
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://sche...
How to branch with TortoiseHG
...need to do is just click on the branch: default button near the top of the commit dialog, and change to a new branch name.
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C/C++ NaN constant (literal)?
...red in <limits>.
But for checking whether a value is NaN, you can't compare it with another NaN value. Instead use isnan() from <math.h> in C, or std::isnan() from <cmath> in C++.
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relative path in require_once doesn't work
...w a troubleshooting checklist for this frequent error here : stackoverflow.com/a/36577021/2873507
– Vic Seedoubleyew
Apr 12 '16 at 15:24
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How can I rethrow an exception in Javascript, but preserve the stack?
...ethrowing an exception should preserve the call trace.
http://code.google.com/p/chromium/issues/detail?id=60240
I don't know of any workaround.
I don't see the problem with finally. I do see exceptions silently not showing up on the error console in some cases after a finally, but that one seems...
Flask-SQLalchemy update a row's information
...entity that you want to change, change the entity itself. Then, db.session.commit().
For example:
admin = User.query.filter_by(username='admin').first()
admin.email = 'my_new_email@example.com'
db.session.commit()
user = User.query.get(5)
user.name = 'New Name'
db.session.commit()
Flask-SQLAlch...
Reasons that the passed Intent would be NULL in onStartCommand
Is there any other reason that the Intent that is passed to onStartCommand(Intent, int, int) would be NULL besides the system restarting the service via a flag such as START_STICKY ?
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