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Using HTML5/Canvas/JavaScript to take in-browser screenshots
... the getUserMedia with chromeMediaSource only for Electron.js
FIX 2: Throw error instead return null object
FIX 3: Fix demo to prevent the error: getDisplayMedia must be called from a user gesture handler
// docs: https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getDisplayMedia
// see: ...
Illegal mix of collations MySQL Error
I'm getting this strange error while processing a large number of data...
10 Answers
1...
Easy way to test a URL for 404 in PHP?
...
If you are using PHP's curl bindings, you can check the error code using curl_getinfo as such:
$handle = curl_init($url);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, TRUE);
/* Get the HTML or whatever is linked in $url. */
$response = curl_exec($handle);
/* Check for 404 (fil...
How do exceptions work (behind the scenes) in c++
...the handlers when an exception is thrown. If you use exceptions instead of error codes, and an error is rare, it can be faster, since you do not have the overhead of testing for errors anymore.
In case you want more information, in particular what all the __cxa_ functions do, see the original speci...
What is the use of “assert” in Python?
...'re telling the program to test that condition, and immediately trigger an error if the condition is false.
In Python, it's roughly equivalent to this:
if not condition:
raise AssertionError()
Try it in the Python shell:
>>> assert True # nothing happens
>>> assert False
T...
WPF global exception handler [duplicate]
...em.Windows.Threading.DispatcherUnhandledExceptionEventArgs e) {
string errorMessage = string.Format("An unhandled exception occurred: {0}", e.Exception.Message);
MessageBox.Show(errorMessage, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
// OR whatever you want like logging etc. ...
Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
...at was that, but when I launch the web page in a browser jQuery reports an error:
14 Answers
...
What is the proper way to display the full InnerException?
...ses, but if you're using Entity Framework, this will not include ValidationErrors in DbEntityValidationException. See my response below.
– Sylvain Rodrigue
Aug 2 at 10:18
add ...
What is the difference between “git init” and “git init --bare”?
... are making the working copy inconsistent, and git will warn you:
remote: error: refusing to update checked out branch: refs/heads/master
remote: error: By default, updating the current branch in a non-bare repository
remote: error: is denied, because it will make the index and work tree inconsiste...
catch all unhandled exceptions in ASP.NET Web Api
...override void Log(ExceptionLoggerContext context)
{
Trace.TraceError(context.ExceptionContext.Exception.ToString());
}
}
Then register with your application's HttpConfiguration, inside a config callback like so:
config.Services.Add(typeof(IExceptionLogger), new TraceExceptionLogge...