大约有 45,000 项符合查询结果（耗时：0.0441秒） [XML]
PyCharm shows unresolved references error for valid code
...ion, but PyCharm is highlighting my valid code with "unresolved reference" errors, even for built-in Python functions. Why don't these seem to be detected, even though the code runs? Is there any way to get PyCharm to recognize these correctly?
...
What is a “callback” in C and how are they implemented?
... iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (iResult != NO_ERROR) {
printf("WSAStartup failed with error: %ld\n", iResult);
return 1;
}
//----------------------
// Create a SOCKET for listening for
// incoming connection requests.
SOCKET ListenSock...
How to DROP multiple columns with a single ALTER TABLE statement in SQL Server?
...
@Gweebz - I assume that the error that you had was related to column usage. Column could be used in a constraint, index or another calculated column.
– Alex Aza
Jun 14 '11 at 15:43
...
What is Type-safe?
... means that the compiler will validate types while compiling, and throw an error if you try to assign the wrong type to a variable.
Some simple examples:
// Fails, Trying to put an integer in a string
String one = 1;
// Also fails.
int foo = "bar";
This also applies to method arguments, since yo...
Should a retrieval method return 'null' or throw an exception when it can't produce the return value
...
Only throw an exception if it is truly an error. If it is expected behavior for the object to not exist, return the null.
Otherwise it is a matter of preference.
share
|
...
Unexpected character encountered while parsing value
...ize response which is string and not json. Hence it was throwing the above error.
– Bijay Nandagiri
Sep 14 at 7:29
add a comment
|
...
NHibernate.MappingException: No persister for: XYZ
...
This was my problem also, get the same error as in Q when doing get. When trying to query all of the objects of that type, no error, just an empty result set!
– Christoph
May 18 '15 at 15:34
...
What causes java.lang.IncompatibleClassChangeError?
...library as a JAR, and it's throwing many java.lang.IncompatibleClassChangeError s when I try to invoke methods from it. These errors seem to appear at random. What kinds of problems could be causing this error?
...
Directory does not exist. Parameter name: directoryVirtualPath
i just published my project to my host on Arvixe and get this error (Works fine local):
20 Answers
...
Java Generics: Cannot cast List to List? [duplicate]
...> x = new ArrayList<String>(); #1 compiles fine but #2 gives an error: incompatible types found : java.util.ArrayList<java.lang.String> required: java.util.List<java.lang.Object> List<Object> x = new ArrayList<String>(); It was baffling but thanks to the Java G...