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Solve the ‘runtimewarning: overflow encountered in double_scalars’ error?
The cause: This error usually comes up because the data type you're using can't handle the size of number you're trying to manipulate. For example, the largest number you can manipulate with int32 is 2147483647. Solution: Depending on the size of numbers you're dealing with, setting the data type toRead more
The cause: This error usually comes up because the data type you’re using can’t handle the size of number you’re trying to manipulate. For example, the largest number you can manipulate with int32 is 2147483647.
Solution: Depending on the size of numbers you’re dealing with, setting the data type to int64 or float64 might solve the problem.
E.g.:
How to fix the ”manifest merger failed with multiple errors, see logs” error?
The cause: This occurs if you added a service Android Studio automatically adds and there is a conflict if you add a second service line of the type you wanted to create. Solution: The solution for this error is: To check : Android manifest file. duplicate or wrong file to add. Gradle file to checkRead more
The cause: This occurs if you added a service Android Studio automatically adds and there is a conflict if you add a second service line of the type you wanted to create.
Solution: The solution for this error is: To check :
To check Layout file is Recources not available.
See lessHow to deal with ”getbluetoothservice() called with no bluetoothmanagercallback” error?
The cause: This error occurs whenever several Bluetooth sockets are opened simultaneously. Solution: Opening 1 socket at a time is the best solution for this error.
The cause: This error occurs whenever several Bluetooth sockets are opened simultaneously.
Solution: Opening 1 socket at a time is the best solution for this error.
See lessFix the error: ”error: command ‘cl.exe’ failed: no such file or directory”?
The cause: This error happens because you are installing a package with parts written in C/C++, but you didn't installed cl.exe (the Microsoft C Compiler) on your computer and in your PATH. Solution: Make sure Visual Studio's C++ build tools are installed first. Use one of the special command promptRead more
The cause: This error happens because you are installing a package with parts written in C/C++, but you didn’t installed
cl.exe
(the Microsoft C Compiler) on your computer and in yourPATH
.Solution:
PATH
automatically, so thatcl.exe
can be found.The solution for ”warning: mysqli_fetch_array() expects parameter 1 to be mysqli_result, boolean given in” error?
The cause: mysqli_fetch_array()'s 1st parameter must be a result of a query. What you are doing is you are passing the connection (which doesn't make sense) and the query command itself. Solution: This can be fixed by running the query first, saving the results to a variable, and then fetching the vRead more
The cause:
mysqli_fetch_array()
‘s 1st parameter must be a result of a query. What you are doing is you are passing the connection (which doesn’t make sense) and the query command itself.Solution: This can be fixed by running the query first, saving the results to a variable, and then fetching the variable.
How to fix the ‘target of assignment expands to non-language object’ error?
The cause: When you attempt to assign value to a variable that doesn't exist or that R can't recognize as a name, this error will occur. Solution: The solution is either assign("x", 1) or simply "x" <- 1
The cause: When you attempt to assign value to a variable that doesn’t exist or that R can’t recognize as a
name
, this error will occur.Solution: The solution is either
or simply
How to deal with ”list each continent and the name of the country that comes first alphabetically.” error?
The cause: This error happens because if both instances of the same nation have the same name, using x.name=y.name compares the names of the two countries. That would essentially just give you the entire table x. Because you only want to compare the nation names of an instance from x and an instanceRead more
The cause: This error happens because if both instances of the same nation have the same name, using
x.name=y.name
compares the names of the two countries. That would essentially just give you the entire table x.Because you only want to compare the nation names of an instance from x and an instance from y if they share the same continent, you should use the formula
x.continent=y.continent
.Solution: It should be:
Why I get the ”left of must have class/struct/union” error?
The cause: I think the error is here: DatabaseControl myDBControl(); You created the myDBControl function, which accepts no arguments and outputs a DatabaseControl. Solution: Don't use the () when declarating object without any constructor arguments: DatabaseControl myDBControl;
The cause: I think the error is here:
You created the
myDBControl
function, which accepts no arguments and outputs aDatabaseControl
.Solution: Don’t use the
()
when declarating object without any constructor arguments:”javax net ssl sslpeerunverifiedexception peer not authenticated” – The solution for this?
The cause: I think this error happens because your server doesn't have a valid SSL certificate. Solution: Using a different TrustManager to solve it: SSLContext ctx = SSLContext.getInstance("TLS"); X509TrustManager tm = new X509TrustManager() { public void checkClientTrusted(X509Certificate[] xcs, SRead more
The cause: I think this error happens because your server doesn’t have a valid SSL certificate.
Solution: Using a different TrustManager to solve it:
The way to fix the ”invalid length for a base 64 char array or string” error?
The cause: The string's length is the likely cause of the problem. Base-64 string length needs to be a multiple of 4. The padding character (=) should be added at the end if it isn't. Solution: You should use the code block below to check the string length and add padding characters if necessary: inRead more
The cause: The string’s length is the likely cause of the problem. Base-64 string length needs to be a multiple of 4. The padding character (=) should be added at the end if it isn’t.
Solution: You should use the code block below to check the string length and add padding characters if necessary: