大约有 7,700 项符合查询结果（耗时：0.0234秒） [XML]
How to convert .pfx file to keystore with private key?
...wing two commands convert the pfx file to a format that can be opened as a Java PKCS12 key store:
openssl pkcs12 -in mypfxfile.pfx -out mypemfile.pem
openssl pkcs12 -export -in mypemfile.pem -out mykeystore.p12 -name "MyCert"
NOTE that the name provided in the second command is the alias of your...
How many classes should I put in one file? [closed]
I'm used to the Java model where you can have one public class per file. Python doesn't have this restriction, and I'm wondering what's the best practice for organizing classes.
...
How to do a JUnit assert on a message in a logger
I have some code-under-test that calls on a Java logger to report its status.
In the JUnit test code, I would like to verify that the correct log entry was made in this logger. Something along the following lines:
...
Why should casting be avoided? [closed]
...ast "down" the hierarchy isn't necessarily safe so it's done dynamically.
Java and C# are much more similar to each other. In particular, with both of them casting is (virtually?) always a run-time operation. In terms of the C++ cast operators, it's usually closest to a dynamic_cast in terms of wha...
.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
...
As of ArrayList in Java 5, the array will be filled already if it has the right size (or is bigger). Consequently
MyClass[] arr = myList.toArray(new MyClass[myList.size()]);
will create one array object, fill it and return it to "arr". On th...
Why can't overriding methods throw exceptions broader than the overridden method?
...
In my opinion, it is a fail in the Java syntax design. Polymorphism shouldn't limit the usage of exception handling. In fact, other computer languages don't do it (C#).
Moreover, a method is overriden in a more specialiced subclass so that it is more complex ...
Ways to implement data versioning in MongoDB
...s actually used. Is it something that lives withing Mongo somehow? It is a Java library? Is it merely a way of thinking about the problem? No idea and no hints are given.
– ftrotter
Feb 6 '13 at 6:41
...
How can I use different certificates on specific connections?
A module I'm adding to our large Java application has to converse with another company's SSL-secured website. The problem is that the site uses a self-signed certificate. I have a copy of the certificate to verify that I'm not encountering a man-in-the-middle attack, and I need to incorporate this...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...Cocoa programmers' just don't know what they're missing -- experience with Java shows that type variables improve code comprehension and make more refactorings possible.
– tgdavies
Nov 4 '10 at 16:52
...
Why can't I use switch statement on a String?
Is this functionality going to be put into a later Java version?
16 Answers
16
...