I know this is a basic question but it's been doing my head in all day. Error: java.lang.NullPointerException: Attempt to invoke virtual method 'void androidx.r
I have a app which have it's own downloader Upto android 9 I'm using below code to set path to specific directory File file = new File(Environment.getExternalS
What is the correct way to find the GUID (for instance {1C158861-B533-4B30-B1CF-E853E51C59B8}) for a given COM class named in the Windows SDK documentation (for
In the app below I want to update the second updateSelectInput() I have in order to exclude the values selected in the first updateSelectInput() after uploading
I am trying to run this: UPDATE test SET col2=1 WHERE col1='test1', SET col2=3 WHERE col1='test2'; The error I am getting: [Err] 1064 - You have an error
I produced a small code for building by webpack. The source entry file is like: import archiver from 'archiver' import request from 'request' import mkdirp from
I want to use JavaScript SVG as an icon. However, I keep getting this error. I fixed one error by changing xmls:xlink into xmlsXlink. However, it did not work s
I have been checking on forums(stack overflow, git, Telegram APIs) to check how could I extract contents from a pdf file which is sent by user? I have created T
I would like to create a new variable based on the answers to three other variables (A,B and C) in my data set. Basically my variables have three modalities : "