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Is there a unique Android device ID?
...l only work "some" of the time, and unfortunately, that's not good enough.
Based on my tests of devices (all phones, at least one of which is not activated):
All devices tested returned a value for TelephonyManager.getDeviceId()
All GSM devices (all tested with a SIM) returned a value for Telephony...
How to sort Map values by key in Java?
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I'm trying to use Treemap and sort String keys based on length. I find I'm getting inconsistent retrieval results. Apparently because TreeMap considers a compareTo result of 0 as "equals"? Not sure how to use it in this case.
– Marc
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When can I use a forward declaration?
...omplete type. Therefore, you cannot use the type to declare a member, or a base class, since the compiler would need to know the layout of the type.
Assuming the following forward declaration.
class X;
Here's what you can and cannot do.
What you can do with an incomplete type:
Declare a membe...
Resizing an iframe based on content
I am working on an iGoogle-like application. Content from other applications (on other domains) is shown using iframes.
20...
`static` keyword inside function?
... static $cache = null;
if ($cache === null) {
$cache = '%heavy database stuff or something%';
}
// code using $cache
}
In this example, the if would only be executed once. Even if multiple calls to doStuff would occur.
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What is CMake equivalent of 'configure --prefix=DIR && make all install '?
...espectively.
The type (PATH) is not strictly necessary, but causes the Qt based cmake-gui to present the directory chooser dialog.
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Is there a way to change the spacing between legend items in ggplot2?
...d_flip() +
scale_fill_brewer("Cyl", palette = "Dark2") +
theme_minimal(base_size = 14) +
theme(legend.position = 'top',
legend.spacing.x = unit(1.0, 'cm'))
Note: If you only want to expand the spacing to the right of the legend text, use stringr::str_pad()
Example: Move the legen...
What is the maximum length of a table name in Oracle?
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It's actually based on the version in the compatible parameter. If you have a 12.2 DB with compatible set to 11.2.0, is still limits you to 30 chars.
– rtaft
Nov 15 '18 at 15:13
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.NET NewtonSoft JSON deserialize map to a different property name
...ropertyName, out resolvedName);
return (resolved) ? resolvedName : base.ResolvePropertyName(propertyName);
}
}
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How do I pass a unique_ptr argument to a constructor or a function?
...ointer as an argument, as well as their associated meaning.
(A) By Value
Base(std::unique_ptr<Base> n)
: next(std::move(n)) {}
In order for the user to call this, they must do one of the following:
Base newBase(std::move(nextBase));
Base fromTemp(std::unique_ptr<Base>(new Base(......