大约有 42,000 项符合查询结果(耗时:0.0550秒) [XML]

https://stackoverflow.com/ques... 

Why do we need boxing and unboxing in C#?

... Why To have a unified type system and allow value types to have a completely different representation of their underlying data from the way that reference types represent their underlying data (e.g., an int is just a bucket of th...
https://stackoverflow.com/ques... 

How to debug stream().map(…) with lambda expressions?

In our project we are migrating to java 8 and we are testing the new features of it. 6 Answers ...
https://stackoverflow.com/ques... 

How to work around the lack of transactions in MongoDB?

I know there are similar questions here but they are either telling me to switch back to regular RDBMS systems if I need transactions or use atomic operations or two-phase commit . The second solution seems the best choice. The third I don't wish to follow because it seems that many things coul...
https://stackoverflow.com/ques... 

How to use ConcurrentLinkedQueue?

...e a ConcurrentLinkedQueue in Java? Using this LinkedQueue , do I need to be worried about concurrency in the queue? Or do I just have to define two methods (one to retrive elements from the list and another to add elements to the list)? Note: obviously these two methods have to be synchronize...
https://stackoverflow.com/ques... 

How does StartCoroutine / yield return pattern really work in Unity?

I understand the principle of coroutines. I know how to get the standard StartCoroutine / yield return pattern to work in C# in Unity, e.g. invoke a method returning IEnumerator via StartCoroutine and in that method do something, do yield return new WaitForSeconds(1); to wait a second, th...
https://stackoverflow.com/ques... 

FFmpeg on Android

I have got FFmpeg compiled (libffmpeg.so) on Android. Now I have to build either an application like RockPlayer or use existing Android multimedia framework to invoke FFmpeg. ...
https://stackoverflow.com/ques... 

Redirecting from HTTP to HTTPS with PHP

I'm working on a shopping cart website and I would like to redirect the user to a HTTPS page when he's entering his billing details and maintain the HTTPS connection for the next pages until he logs out. ...
https://stackoverflow.com/ques... 

window.close and self.close do not close the window in Chrome

...ow.close() or self.close() it doesn't close the window. Now there seems to be a belief that in Chrome you can't close by script any window that is not script created. That is patently false but regardless it is supposed to still do it, even if it requires to pop up an alert to confirm. These are ...
https://stackoverflow.com/ques... 

Cannot read configuration file due to insufficient permissions

I've recently encountered an error trying to host my asp.net site with IIS. I have found a solution that many swear by. 40...
https://stackoverflow.com/ques... 

General guidelines to avoid memory leaks in C++ [closed]

What are some general tips to make sure I don't leak memory in C++ programs? How do I figure out who should free memory that has been dynamically allocated? ...