大约有 46,000 项符合查询结果(耗时:0.0515秒) [XML]
Solving a “communications link failure” with JDBC and MySQL [duplicate]
...e server.
I spent several days to solve this problem. I have tested many approaches that have been mentioned in different web sites, but non of them worked. Finally I changed my code and found out what was the problem. I'll try to tell you about different approaches and sum them up here.
While I ...
What is the correct way to represent null XML elements?
...belongs to no series, while omitting series could mean that series is an inapplicable element to the current element.)
From: The W3C
XML Schema: Structures introduces a
mechanism for signaling that an
element should be accepted as ·valid·
when it has no content despite a
content type ...
NSOperation vs Grand Central Dispatch
...n operations. Both very simple with NSOperation, very difficult with GCD.) Apple's done the hard work of leveraging GCD to create a very nice object-friendly API with NSOperation. Take advantage of their work unless you have a reason not to.
Caveat:
On the other hand, if you really just need to sen...
Add subdomain to localhost URL
I am writing an web application that behaves differently depending on a url prefix. The format is something like:
5 Answers...
Why is @autoreleasepool still needed with ARC?
...ou have control over where your auto release pools go still. There's one wrapped around your whole app by default, but you might want more.
– mattjgalloway
Jan 31 '12 at 21:27
5
...
Formatting text in a TextBlock
...w do I achieve formatting of a text inside a TextBlock control in my WPF application?
6 Answers
...
HTTP Content-Type Header and JSON
...
The Content-Type header is just used as info for your application. The browser doesn't care what it is. The browser just returns you the data from the AJAX call. If you want to parse it as JSON, you need to do that on your own.
The header is there so your app can detect what...
Web Reference vs. Service Reference
...ick wall with Paypal. I had created a regular C# project to create some wrapper classes using their WSDL.
4 Answers
...
Is Java really slow?
...ages (if they use standard libraries).
There is no excuse for "slow" Java applications now. Developers and legacy code/libraries are to blame, far more than the language. Also, blame anything 'enterprise.'
In fairness to the "Java is slow" crowd, here are areas where it is still slow (updated for ...
What is the best project structure for a Python application? [closed]
Imagine that you want to develop a non-trivial end-user desktop (not web) application in Python. What is the best way to structure the project's folder hierarchy?
...
