大约有 15,600 项符合查询结果（耗时：0.0250秒） [XML]
Doing something before program exit
...n of the script, but it won't get called in all cases (e.g. fatal internal errors).
share
|
improve this answer
|
follow
|
...
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
...
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.
...
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...