大约有 20,000 项符合查询结果（耗时：0.0334秒） [XML]
What is the meaning of id?
...
id is a pointer to any type, but unlike void * it always points to an Objective-C object. For example, you can add anything of type id to an NSArray, but those objects must respond to retain and release.
The compiler is totally happy for you to implicitl...
relative path in BAT script
Here is my own program folder on my USB drive:
5 Answers
5
...
How do I prevent angular-ui modal from closing?
I am using Angular UI $modal in my project
http://angular-ui.github.io/bootstrap/#/modal
6 Answers
...
Is .NET Remoting really deprecated?
Everyone is saying how .NET Remoting is being replaced by WCF, but I'm wondering just how accurate that is. I haven't seen any official word that Remoting is being deprecated, and it seems to me there are certainly scenarios where Remoting makes more sense than WCF. None of the Remoting-related obje...
What is the PostgreSQL equivalent for ISNULL()
...
SELECT CASE WHEN field IS NULL THEN 'Empty' ELSE field END AS field_alias
Or more idiomatic:
SELECT coalesce(field, 'Empty') AS field_alias
share
|
...
Get time difference between two dates in seconds
I'm trying to get a difference between two dates in seconds. The logic would be like this :
6 Answers
...
What is the proper #include for the function 'sleep()'?
I am using the Big Nerd Ranch book Objective-C Programming, and it starts out by having us write in C in the first few chapters. In one of my programs it has me create, I use the sleep function. In the book it told me to put #include <stdlib.h> under the #include <stdio.h> part. This...
@RequestParam in Spring MVC handling optional parameters
Is it possible for a Spring controller to handle both kind of requests?
3 Answers
3
...
Using a constant NSString as the key for NSUserDefaults
I'm using NSUSerDefaults to store user preferences. I remember reading somewhere that setting the keys as constants is a good idea - and I agree. The following code is what I currently have:
...
.gitignore exclude files in directory but not certain directories
...
Git doesn't track folders, only files, so if you ignore everything in a folder, Git won't have anything to track. You can add a .gitignore file to each directory (application/cache, application/cache/folder, application/cache/folder/onemorefolder/) with the following cont...