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Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds
...ed to create in Android Studio, all usages of R are marked in red with the error message "cannot resolve symbol R", but the compilation succeeds and the application runs. This is really annoying, as it blocks auto-completion and shows huge red waved lines all over my code.
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How should I handle “No internet connection” with Retrofit on Android
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Since retrofit 1.8.0 this has been deprecated
retrofitError.isNetworkError()
you have to use
if (retrofitError.getKind() == RetrofitError.Kind.NETWORK)
{
}
there are multiple types of errors you can handle:
NETWORK An IOException occurred while communicating to the serve...
C++ performance vs. Java/C#
...nce of its objects. And C++ does not have a finally clause. This is not an error.
:-)
And despite C# primitive-like structs, C++ "on the stack" objects will cost nothing at allocation and destruction, and will need no GC to work in an independent thread to do the cleaning.
As for memory fragmenta...
Exit codes in Python
...as ok. Type a command, then echo $?: if you read 0, it returned without an error. The idea is to have standard tests. If the code xyz.py did not encounter any error, it SHOULD return 0!
– Bruno von Paris
Oct 15 '12 at 9:20
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How do I deal with certificates using cURL while trying to access an HTTPS url?
I am getting the following error using curl:
26 Answers
26
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MySQL Error 1093 - Can't specify target table for update in FROM clause
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Update: This answer covers the general error classification. For a more specific answer about how to best handle the OP's exact query, please see other answers to this question
In MySQL, you can't modify the same table which you use in the SELECT part.
This behav...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
... installed the mysql-server, not the mysql-client or something else.
That error means the file /var/run/mysqld/mysqld.sock doesn't exists, if you didn't install mysql-server, then the file would not exist. So in that case, install it with
sudo apt-get install mysql-server
But if the mysql-serve...
The target … overrides the `OTHER_LDFLAGS` build setting defined in `Pods/Pods.xcconfig
...ed) a bit faint as by default. i edited and simply retyped the same thing. error disappeared..
– joe
Feb 9 '16 at 22:23
3
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How to get result of console.trace() as string in javascript with chrome or firefox?
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I'm not sure about firefox, but in v8/chrome you can use a method on the Error constructor called captureStackTrace. (More info here)
So a hacky way to get it would be:
var getStackTrace = function() {
var obj = {};
Error.captureStackTrace(obj, getStackTrace);
return obj.stack;
};
console...
JSONDecodeError: Expecting value: line 1 column 1 (char 0)
I am getting error Expecting value: line 1 column 1 (char 0) when trying to decode JSON.
16 Answers
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