大约有 44,000 项符合查询结果(耗时:0.0542秒) [XML]

https://stackoverflow.com/ques... 

“is” operator behaves unexpectedly with integers

... does anyone know how that range (-5, 256) was chosen? i wouldn't be too surprised if it were (0, 255) or even (-255, 255), but a range of 262 numbers starting at -5 seems surprisingly arbitrary. – Woodrow Barlow ...
https://stackoverflow.com/ques... 

Assert equals between 2 Lists in Junit

...le years after the question, probably this feature wasn't around then. But now, it's easy to just do this: @Test public void test_array_pass() { List<String> actual = Arrays.asList("fee", "fi", "foe"); List<String> expected = Arrays.asList("fee", "fi", "foe"); assertThat(actual, i...
https://stackoverflow.com/ques... 

What is scope/named_scope in rails?

...a collection. Sounds complicated? It isn't. Imagine this: You have Users. Now, some of those Users are subscribed to your newsletter. You marked those who receive a newsletter by adding a field to the Users Database (user.subscribed_to_newsletter = true). Naturally, you sometimes want to get those ...
https://stackoverflow.com/ques... 

When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)

I have a Spring MVC web app which uses Spring Security. I want to know the username of the currently logged in user. I'm using the code snippet given below . Is this the accepted way? ...
https://stackoverflow.com/ques... 

PHP MySQL Google Chart JSON - Complete Example

... Thanks a lot! it works now. can you tell me how to customize the table? where can I get info about this? because i have a long data range, the graph is very small and dense. – Max May 7 '18 at 8:08 ...
https://stackoverflow.com/ques... 

Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?

... -- that combination instantly makes x, a and b harder to hold in my head. now, if each were separate statements on separate lines, as in -- a++; ++b; x = a + b; it would be easier to comprehend on first sight. – artlung Jun 9 '09 at 17:46 ...
https://stackoverflow.com/ques... 

How do I run all Python unit tests in a directory?

...th have failed. I will show the two methods, and I hope someone out there knows how to actually do this correctly. 15 Answe...
https://stackoverflow.com/ques... 

Is putting a div inside an anchor ever correct?

... this in a project until I read the last line about HTML5, that's good to know, thanks. – Elaine Marley May 8 '12 at 14:34 16 ...
https://stackoverflow.com/ques... 

What are best practices that you use when writing Objective-C and Cocoa? [closed]

I know about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch). ...
https://stackoverflow.com/ques... 

How to directly initialize a HashMap (in a literal way)?

...Map("key", "value"). For Java Version 9 or higher: Yes, this is possible now. In Java 9 a couple of factory methods have been added that simplify the creation of maps : // this works for up to 10 elements: Map<String, String> test1 = Map.of( "a", "b", "c", "d" ); // this works for ...