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Execute and get the output of a shell command in node.js
...ss').exec;
function execute(command, callback){
exec(command, function(error, stdout, stderr){ callback(stdout); });
};
Example: Retrieving git user
module.exports.getGitUser = function(callback){
execute("git config --global user.name", function(name){
execute("git config --globa...
Are there any standard exit status codes in Linux?
... another answer, but to a non-canonical URL.)
1: Catchall for general errors
2: Misuse of shell builtins (according to Bash documentation)
126: Command invoked cannot execute
127: "command not found"
128: Invalid argument to exit
128+n: Fatal error signal "n"
255: Exit status ou...
Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
When I compile C/C++ program with popen in php ... I got this error:
9 Answers
9
...
Android Calling JavaScript functions in WebView
...reated a nice wrapper to call JavaScript methods; it also shows JavaScript errors in log:
private void callJavaScript(String methodName, Object...params){
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append("javascript:try{");
stringBuilder.append(methodName);
st...
How to create circle with Bézier curves?
...are on the circle, and that the first derivative is continuous.
The radial error in this approximation will be about 0.0273% of the
circle's radius.
Michael Goldapp, "Approximation of circular arcs by cubic
polynomials" Computer Aided Geometric Design (#8 1991 pp.227-238)
Tor Dokken and Morten Da...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...chedResultsController.delegate = self;
[fetchRequest release];
NSError *error = nil;
if (![aFetchedResultsController performFetch:&error])
{
/*
Replace this implementation with code to handle the error appropriately.
abort() causes the application to...
Emacs, switch to previous window
...ndmove-up-cycle()
(interactive)
(condition-case nil (windmove-up)
(error (condition-case nil (windmove-down)
(error (condition-case nil (windmove-right) (error (condition-case nil (windmove-left) (error (windmove-up))))))))))
(defun windmove-down-cycle()
(interactive)
(conditio...
How do you log server errors on django sites
...g with the development I can just set settings.DEBUG to True and if an error occures I can see it nicely formatted, with good stack trace and request information.
...
“Parse Error : There is a problem parsing the package” while installing Android application
I got this error while installing the android application ( Parse Error : There is a problem parsing the package. ). I did the following steps.
...
mysql Foreign key constraint is incorrectly formed error
...tual name) when I put a FK on IDFromTable1 to ID in table1 I get the error Foreign key constraint is incorrectly formed error . I would like to delete table 2 record if table1 record gets deleted. Thanks for any help
...