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Access nested dictionary items via a list of keys?
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@user1353510: different usecases call for different behaviour. The code here doesn't create intermediaries, no.
– Martijn Pieters♦
Feb 11 '15 at 12:04
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How does python numpy.where() work?
..., True, True]], dtype=bool)
This is the same reason why something like if x > 5: raises a ValueError if x is a numpy array. It's an array of True/False values, not a single value.
Furthermore, numpy arrays can be indexed by boolean arrays. E.g. x[x>5] yields [6 7 8], in this case.
Hones...
How to use the TextWatcher class in Android?
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Actually if this is the requirement then better not to use the text watcher.it's going to infinite loop
– Dinesh Prajapati
Dec 17 '11 at 9:50
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MySql Table Insert if not exist otherwise update
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now I defined the datenum as unique, and it's work fine, thanks
– OHLÁLÁ
May 18 '11 at 8:21
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What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...nship will not be bidirectional (the inverse aka "many" side will have no knowledge of its "owner"). This can be desirable for encapsulation/loose coupling:
// "One" Customer owns the associated orders by storing them in a customer_orders join table
public class Customer {
@OneToMany(cascade = ...
Any gotchas using unicode_literals in Python 2.6?
...g (assuming it's ascii) and convert it to unicode and fails. It would work if you did print name + two.name.decode('utf-8').
The same thing can happen if you encode a string and try to mix them later.
For example, this works:
# encoding: utf-8
html = '<html><body>helló wörld</body...
Hidden Features of PHP? [closed]
... This is a great feature of PHP, but I wouldn't really call it hidden... If you've ever googled for method parameters, etc, you would end up at php.net.
– John Bubriski♦
Mar 23 '09 at 17:04
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What is the best practice for “Copy Local” and with project references?
...t;Import Project="[relative path to Common.targets]" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<T...
Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error
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You can get this type of error if your class' .m file is not listed under the "Compile Sources" step of the "Build Phases" tab of your target. Normally Xcode does this for you, but sometimes it loses the plot and you need to add the .m file manually.
To d...
CMake: Print out all accessible variables in a script
I'm wondering if there is a way to print out all accessible variables in CMake. I'm not interested in the CMake variables - as in the --help-variables option. I'm talking about my variables that I defined, or the variables defined by included scripts.
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