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Georgianna Johnston

Answers by Georgianna Johnston

How to add done button on keyboard on top of keyboard in IOS??

Hope this help :) UIToolbar* keyboardToolbar = [[UIToolbar alloc] init]; [keyboardToolbar sizeToFit]; UIBarButtonItem *flexBarButton = [[...

difference between alert(“Hi!”) and function(){alert(“Hi!”)} [duplicate]?

document.getElementById("myButton").onclick = alert('Hi!') is wrong since onclick should be assigned to a function reference, not the fu...

Recognize open and closed shapes opencv?

Just use findContours() in your image, then decide whether the contour is closed or not by examining the hierarchy passed to the findCont...

Hashmap does not work with int, char [duplicate]?

Generic parameters can only bind to reference types, not primitive types, so you need to use the corresponding wrapper types. Try HashMap...

what is `vsc-initialized`??

After some in-chat detective work it's being added by the Video Speed Controller browser extension. Seems a lot of people have that exten...

How to list all the available keyspaces in Cassandra??

If you want to do this outside of the cqlsh tool you can query the schema_keyspaces table in the system keyspace. There's also a table cal...

mkdocs command not found on OSX?

I have encountered the same problem. -bash: mkdocs: command not found After setting the environment variable, it can be used. sudo vi...

SQL Server 2012 Multi part identifier could not be bound?

Your query has given the table [Production].[ProductCategory] the alias PC. You need to use this in the rest of the query: SELECT COUNT...

Creating a simple configuration file and parser in C++?

In general, it's easiest to parse such typical config files in two stages: first read the lines, and then parse those one by one. In C++, ...

JavaScript how to get tomorrows date in format dd-mm-yy?

This should fix it up real nice for you. If you pass the Date constructor a time it will do the rest of the work. 24 hours 60 minutes 60...

float division by zero Python?

Try increasing your precision: from decimal import Decimal, getcontext getcontext().prec = 2*n a = Decimal(a) b = Decimal(b) c = a/b ...

Android - Take picture without preview?

You can't take a picture without a preview, but you don't have to show the preview on screen. You can direct the output to a SurfaceTextu...

How to fix 'RuntimeWarning: divide by zero encountered in double_scalars'?

Those are not actual errors, but warnings. They are there because you are trying to divide something by zero. Namely, you are setting M[...

AttributeError: 'tuple' object has no attribute 'append'?

In the line: Jobs = () you create a tuple. A tuple is immutable and has no methods to add, remove or alter elements. You probably wante...

Automated Python to Java translation [closed]?

It may not be an easy problem. Determining how to map classes defined in Python into types in Java will be a big challange because of diff...