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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 can I get a JavaScript stack trace when I throw an exception?
...n the comments on the original question is to use the stack property of an Error object like so:
function stackTrace() {
var err = new Error();
return err.stack;
}
This will generate output like this:
DBX.Utils.stackTrace@http://localhost:49573/assets/js/scripts.js:44
DBX.Console.Debug@h...
What is “assert” in JavaScript?
...'re using some library that provides one. The usual meaning is to throw an error if the expression passed into the function is false; this is part of the general concept of assertion checking. Usually assertions (as they're called) are used only in "testing" or "debug" builds and stripped out of pro...
“Unicode Error ”unicodeescape" codec can't decode bytes… Cannot open text files in Python 3 [duplica
...
I found this error in a function docstring while porting a 2.x code to python3.
– Sridhar Ratnakumar
Apr 28 '10 at 20:16
...
Have nginx access_log and error_log log to STDOUT and STDERR of master process
...
Edit: it seems nginx now supports error_log stderr; as mentioned in Anon's answer.
You can send the logs to /dev/stdout. In nginx.conf:
daemon off;
error_log /dev/stdout info;
http {
access_log /dev/stdout;
...
}
edit: May need to run ln -sf /proc/se...
There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
...ameter which in this case is the source SelectList.
What happened with my error was:
Because the table containing the drop down lists was in a partial view and the ViewData had been changed and no longer contained the SelectList I had referenced, the HtmlHelper (instead of throwing an error) trie...
psql invalid command \N while restore sql
I'm trying to restore my dump file, but it caused an error:
12 Answers
12
...
How using try catch for exception handling is best practice
...sign some static methods to handle exceptions in the application top level error handlers.
I also force myself to try to:
Remember ALL exceptions are bubbled up to the top level. It is not necessary to put exception handlers everywhere.
Reusable or deep called functions does not need to display o...
Set timeout for ajax (jQuery)
...cumentation, this is a covered topic.
$.ajax({
url: "test.html",
error: function(){
// will fire when timeout is reached
},
success: function(){
//do something
},
timeout: 3000 // sets timeout to 3 seconds
});
You can get see what type of error was thrown ...
How to stop a PowerShell script on the first error?
...
$ErrorActionPreference = "Stop" will get you part of the way there (i.e. this works great for cmdlets).
However for EXEs you're going to need to check $LastExitCode yourself after every exe invocation and determine whether th...