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Difference between await and ContinueWith
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In the second code, you're synchronously waiting for the continuation to complete. In the first version, the method will return to the caller as soon as it hits the first await expression which isn't already completed.
They're very similar in that they both schedule a continuation, but as soon as...
Android Studio: Module won't show up in “Edit Configuration”
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Make sure your build.gradle is
apply plugin: 'com.android.application'
not
apply plugin: 'com.android.library'
After you have changed, please sync your gradle again.
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How to install psycopg2 with “pip” on Python?
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@I159 - The *-dev packages contain the files necessary to compile an application from source that uses the functions provided by the library (as psycopg2 uses the libpq and python libraries, among others).
– joar
Dec 19 '11 at 9:17
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Why main does not return 0 here?
...ore the closing }. It's harmless and makes your program portable to older compilers.
– Keith Thompson
Dec 30 '11 at 8:46
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How do I change the root directory of an apache server? [closed]
...ge the document root of the Apache server? I basically want localhost to come from /users/spencer/projects directory instead of /var/www .
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PostgreSQL return result set as JSON array?
...an array and then convert them:
SELECT to_jsonb(array_agg(t)) FROM t
or combine json_agg with a cast:
SELECT json_agg(t)::jsonb FROM t
My testing suggests that aggregating them into an array first is a little faster. I suspect that this is because the cast has to parse the entire JSON result.
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What's the difference between findAndModify and update in MongoDB?
... down to logic or implementation bugs on the client side, but of course in complex software there can always be a bug.
– Asya Kamsky
Apr 30 '13 at 3:07
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Difference between thread's context class loader and normal classloader
...good pattern, but I don't have any other idea how to fix it: stackoverflow.com/questions/29238493/…
– Marcin Erbel
Mar 25 '15 at 16:42
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React.js: Wrapping one component into another
...s.children}
after
</div>
);
}
});
See Multiple Components: Children and Type of the Children props in the docs for more info.
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...t integer.
So int is a "smaller" datatype than NSUInteger, therefore the compiler warning.
See also NSUInteger in the "Foundation Data Types Reference":
When building 32-bit applications, NSUInteger is a 32-bit unsigned
integer. A 64-bit application treats NSUInteger as a 64-bit unsigned
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