大约有 15,000 项符合查询结果(耗时:0.0216秒) [XML]

https://stackoverflow.com/ques... 

How do I avoid the specification of the username and password at every git push?

... I ran step 1 and step 2 on ubuntu but it still asks me for u_id passwd. I also ran: ssh -T git@github.com. Still the same. What to do? – Radhika Jan 7 '15 at 7:24 4 ...
https://www.tsingfun.com/it/da... 

创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

创建增量同步Oracle物化视图问题我们采用Oracle的物化视图增量刷新机制定时将数据库A上的某个表的数据同步到另一个数据库B上。我们常用的最简单的实现步骤是这样。首先在数...我们采用Oracle的物化视图增量刷新机制定时将数...
https://www.tsingfun.com/it/cpp/665.html 

线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

线程访问窗口资源的问题在开个线程时常为所开的线程传入个窗口参数(cwnd),这里里面有个很大的隐患就是当做CWnd::AssertValid()检查,就会遇到断言失败。具...时常为所开的线程传入个窗口参数 (cwnd),这里里面有个很大的...
https://stackoverflow.com/ques... 

Is there a performance impact when calling ToList()?

...mall the size is doubled so the backing array grows like this 4, 8, 16, 32 etc. Every time the backing array grows it has to be reallocated and all elements stored so far have to be copied. This operation is much more costly compared to the first case where an array of the correct size can be create...
https://stackoverflow.com/ques... 

What is the difference between native code, machine code and assembly code?

...f it into the machine code version of the program. The point being C/C++, etc often does not compile straight to machine code it invisible to the user does a two or three step on the way. TCC for example is an exception to this it does go directly to machine code. – old_timer ...
https://stackoverflow.com/ques... 

What is the runtime performance cost of a Docker container?

... the kernel's support for different process namespaces, device namespaces, etc.; one namespace isn't inherently more expensive or inefficient than another, so what actually makes Docker have a performance impact is a matter of what's actually in those namespaces. Docker's choices in terms of how ...
https://www.tsingfun.com/it/te... 

linux 通过bind下搭建DNS Server - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ost不够用和避免加端口各种麻烦,以及子目录超级麻烦等问题。那么很多时候需要在开发环境上门绑定多个域名。假如是一个团队开发。那么每个人都去修改hosts是一件很悲剧的事情,那么你需要的就是一台内部的dns服务器。其...
https://stackoverflow.com/ques... 

How to Deal with Temporary NSManagedObject instances?

...riginalContext persistentStore]]; Then you add new objects, mutate them, etc. When it comes time to save, you need to call [tempContext save:...] on the tempContext, and handle the save notification to merge that into your original context. To discard the objects, just release this temporary cont...
https://stackoverflow.com/ques... 

How to fix: “HAX is not working and emulator runs in emulation mode”

...nstalling non-open-source and desktop apps (i.e. chrome, firefox, eclipse, etc.): brew cask install intel-haxm Android Studio If you are using Android Studio then you can achieve the same result from the menu Tools ➞ SDK Manager, and then on the SDK Tools tab, select the checkbox for Intel x8...
https://stackoverflow.com/ques... 

Why is processing a sorted array slower than an unsorted array?

...e accessed in memory-order. They have been allocated consecutively in RAM. CPUs love accessing memory sequentially because they can speculatively request the next cache line so it will always be present when needed. When you are sorting the list you put it into random order because your sort keys a...