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How can I include raw JSON in an object using Jackson?
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@Piotr the javadoc now says "Method that will produce (as of Jackson 2.10) valid JSON using default settings of databind, as String"
– bernie
Apr 28 at 20:11
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I forgot the password I entered during postgres installation
...local all all trust
to
host all all 127.0.0.1/32 trust
you can now connect as any user. Connect as the superuser postgres (note, the superuser name may be different in your installation. In some systems it is called pgsql, for example.)
psql -U postgres
or
psql -h 127.0.0.1 -U postgre...
Easy way of running the same junit test over and over?
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This now seems like the better answer so I accepted this one instead
– Stefan Thyberg
Sep 9 at 8:16
add a...
Xml configuration versus Annotation based configuration [closed]
...fect sense, since this is information a programmer would probably wish to know. But that an interface is going to be injected as a SubtypeY instead of a SubtypeX should not be included in the class, because if now you wish to inject SubtypeX, you have to change your code, whereas you had an interfa...
How to map and remove nil values in Ruby
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Ruby 2.7+
There is now!
Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.ev...
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...ect to it, but it couldn't connect you to the database because it doesn't know that that database is up. There are two reasons for this:
the database has not been started up,
the database has not registered with the listener, e.g. because the database was started before the listener. (When the d...
How to round a number to significant figures in Python
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I have created a package that does this now and is probably easier and more robust than this one. Post Link, Repo Link. Hope this helps!
– William Rusnack
May 23 '17 at 12:09
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Logging best practices [closed]
...n short, don't use them -- they aren't needed.
Features you may not have known:
Using the TraceEvent overloads that take a format string and args can help performance as parameters are kept as separate references until after Filter.ShouldTrace() has succeeded. This means no expensive calls to ToS...
Send data from activity to fragment in Android
... mParam2 = getArguments().getString(ARG_PARAM2);
}
}
so now mParam1 have data1 and mParam2 have data2
now you can use this mParam1 and mParam2 in your fragment.
share
|
imp...
Android Reading from an Input stream efficiently
....readLine()) != null; ) {
total.append(line).append('\n');
}
You can now use total without converting it to String, but if you need the result as a String, simply add:
String result = total.toString();
I'll try to explain it better...
a += b (or a = a + b), where a and b are Strings, copie...