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What does “Could not find or load main class” mean?
...stUser
When the class is declared in a package such as com.acme.example, then you must use the full classname including the package name in the java command; e.g.
java com.acme.example.ListUser
Example #2 - a filename or pathname rather than a class name:
java ListUser.class
java com/acme/exam...
Multi-line commands in GHCi
...fore addTwo)? And this has to be exact, if there are less or more blanks, then there is an error.
– R71
Dec 9 '11 at 12:26
9
...
How to get a Color from hexadecimal Color String
..., you need to use the full AARRGGBB form. If you only have the RRGGBB form then just prefix it with FF to make the alpha (transparency) fully opaque. Here is how you would set it in code. Using 0x at the beginning means it is hexadecimal and not base 10.
int myColor = 0xFF3F51B5;
myView.setBackgrou...
Aborting a shell script if any command returns a non-zero value?
...something1 || exit 1
If you take Ville Laurikari's advice and use set -e then for some commands you may need to use this:
dosomething || true
The || true will make the command pipeline have a true return value even if the command fails so the the -e option will not kill the script.
...
Openssl is not recognized as an internal or external command
... from openssl-for-windows project on Google Code.
Step 2 Unzip the folder, then copy the path to the bin folder to the clipboard.
For example, if the file is unzipped to the location C:\Users\gaurav\openssl-0.9.8k_WIN32, then copy the path C:\Users\gaurav\openssl-0.9.8k_WIN32\bin.
Step 3 Add the pa...
Git Pull While Ignoring Local Changes?
...l modifications somehow, you'd use stash to hide them away before pulling, then reapply them afterwards:
git stash
git pull
git stash pop
I don't think it makes any sense to literally ignore the changes, though - half of pull is merge, and it needs to merge the committed versions of content with ...
General suggestions for debugging in R
...tance, the first thing is to reproduce the problem...if you can't do that, then you need to get more information (e.g. with logging). Once you can reproduce it, you need to reduce it down to the source.
Rather than a "trick", I would say that I have a favorite debugging routine:
When an error ...
Call Activity method from adapter
...ty etc.
If you need to use this same adapter for more than one activity then :
Create an Interface
public interface IMethodCaller {
void yourDesiredMethod();
}
Implement this interface in activities you require to have this method calling functionality.
Then in Adapter getView(), call l...
SVN: Is there a way to mark a file as “do not commit”?
...es or they won't be included. Second, if you have to run this again you'll then need to re-add all of your "ignore-on-commit" files again. Not ideal - you could start maintaining your own 'ignore' list in a file as others have done.
Then, for the files you want to exclude:
svn cl ignore-on-commit ...
Tracking CPU and Memory usage per process
...an choose the "Process", "Memory" and "Processor" performance objects. You then can see these counters in real time
You can also specify the utility to save the performance data for your inspection later. To do this, select "Performance Logs and Alerts" in the left-hand panel. (It's right under the...