大约有 10,150 项符合查询结果（耗时：0.0404秒） [XML]
Why use the SQL Server 2008 geography data type?
I am redesigning a customer database and one of the new pieces of information I would like to store along with the standard address fields (Street, City, etc.) is the geographic location of the address. The only use case I have in mind is to allow users to map the coordinates on Google maps when th...
Is Fortran easier to optimize than C for heavy calculations?
From time to time I read that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
...
Angular directives - when and how to use compile, controller, pre-link and post-link [closed]
When writing an Angular directive, one can use any of the following functions to manipulate the DOM behaviour, contents and look of the element on which the directive is declared:
...
Difference between objectForKey and valueForKey?
What is the difference between objectForKey and valueForKey ?
I looked both up in the documentation and they seemed the same to me.
...
Websocket API to replace REST API?
I have an application whose primary function works in real time, through websockets or long polling.
10 Answers
...
Iterator Loop vs index loop [duplicate]
I'm reviewing my knowledge on C++ and I've stumbled upon iterators. One thing I want to know is what makes them so special and I want to know why this:
...
Start / Stop a Windows Service from a non-Administrator user account
I have a WindowsService named, say, BST. And I need to give a non-Administrator user, UserA, the permissions to Start/Stop this particular service. My service runs on a variety of Windows OS, starting from Windows Server 2003 to Windows 7.
...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
I need to create a nice installer for a Mac application. I want it to be a disk image (DMG), with a predefined size, layout and background image.
...
Rails update_attributes without save?
Is there an alternative to update_attributes that does not save the record?
4 Answers
...
How can I make a UITextField move up when the keyboard is present - on starting to edit?
With the iOS SDK:
95 Answers
95
...