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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
...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...ructor, or A doesn't have a conversion operator, then you get compile time error.
Cast from A* to B* always succeeds if A and B are in inheritance hierarchy (or void) otherwise you get compile error.
Gotcha: If you cast base pointer to derived pointer but if actual object is not really derived type...
Why does Ruby have both private and protected methods?
... # true
gimli.name # 'Gimli'
gimli.age # NoMethodError: private method `age'
called for #<Dwarf:0x007ff552140128>
gimli.beard_strength # NoMethodError: protected method `beard_strength'
called for #<Dwarf:0x007ff552...
JAX-RS — How to return JSON and HTTP status code together?
...uuid == null || uuid.trim().length() == 0) {
return Response.serverError().entity("UUID cannot be blank").build();
}
Entity entity = service.getById(uuid);
if(entity == null) {
return Response.status(Response.Status.NOT_FOUND).entity("Entity not found for UUID: " + uuid)....
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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