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Render HTML to an image
... = dataUrl;
document.appendChild(img);
})
.catch(function (error) {
console.error('oops, something went wrong!', error);
});
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Set custom HTML5 required field validation message
...ment (DOM node) and it must return a string which is then displayed as the error message.
Compatibility
Tested in:
Chrome Canary 47.0.2
IE 11
Microsoft Edge (using the up-to-date version as of 28/08/2015)
Firefox 40.0.3
Opera 31.0
Old answer
You can see the old revision here: https://stacko...
Doing something before program exit
...n of the script, but it won't get called in all cases (e.g. fatal internal errors).
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How to stop tracking and ignore changes to a file in Git?
...
Very good answer. But git throws error when I try to switch to a different branch:error: "Your local changes to the following files would be overwritten by checkout ....." and the solution is to stash the changes before switching and un-stash when you come b...
Java: Multiple class declarations in one file
... but not Bar and we try to compile Foo.java? The compilation fails with an error like this:
Foo.java:2: cannot find symbol
symbol : class Baz
location: class Foo
private Baz baz;
^
1 error
This makes sense if you think about it. If Foo.java refers to Baz, but there is no Baz.java (or...
java.nio.file.Path for a classpath resource
...s hanging around open for ever. Although @raisercostin addendum avoids the error when trying to create an already created file system, if you try to use the returned Path you will get a ClosedFileSystemException. @Holger response works well for me.
– José Andias
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What's the difference between faking, mocking, and stubbing?
...urns a canned response, or that responds to an API request with a specific error. This way you could write tests that make assertions about how the system reacts to these states; for example, testing the response your users get if the API returns a 404 error.
A stub is usually implemented to only r...
How to read environment variables in Scala
...get("VARIABLE") which will give you an Option[String] rather than throw an error if that variable is missing.
– Cristian Vrabie
Sep 24 '13 at 14:35
4
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nginx showing blank PHP pages
...ver with php5-fpm. When I try to load the site I get a blank page with no errors. Html pages are served fine but not php. I tried turning on display_errors in php.ini but no luck. php5-fpm.log is not producing any errors and neither is nginx.
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How do I import the javax.servlet API in my Eclipse project?
...tcontainer-specific libraries in a careless attempt to fix the compilation errors:
java.lang.NullPointerException at org.apache.jsp.index_jsp._jspInit
java.lang.NoClassDefFoundError: javax/el/ELResolver
java.lang.NoSuchFieldError: IS_DIR
java.lang.NoSuchMethodError: javax.servlet.jsp.PageContext.ge...