大约有 6,000 项符合查询结果(耗时:0.0280秒) [XML]

https://stackoverflow.com/ques... 

Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?

...o be careful with booleans in Objective-C. To sum up, only exact @YES and casted value as @((BOOL)expression) are of __NSCFBoolean type and converted to true with JSON serialization. Any other expressions like @(expression1 && expression2) (even @(YES && YES)) are of __NSCFNumber (i...
https://stackoverflow.com/ques... 

How to check if a database exists in SQL Server?

...8)) RETURNS bit AS BEGIN declare @result bit = 0 SELECT @result = CAST( CASE WHEN db_id(@dbname) is not null THEN 1 ELSE 0 END AS BIT) return @result END GO Now you can use it like this: select [dbo].[DatabaseExists]('master') --returns 1 select [dbo].[...
https://stackoverflow.com/ques... 

How to define a custom ORDER BY order in mySQL

...ally it will use that internal index instead of the string values ( unless CAST() is used to make it back to a VARCHAR) – Simon at My School Portal Mar 26 '15 at 9:36 ...
https://stackoverflow.com/ques... 

What does Class mean in Java?

...s<Foo>. That way you can create a new instance, for example, without casting: Foo foo = clazz.newInstance(); if you don't use generics at all, you'll get a warning at least (and not using generics is generally discouraged as it may lead to hard-to-detect side effects) ...
https://www.tsingfun.com/it/tech/1728.html 

完美解决phpcms批量移动内容后,新闻心情、评论排行等不更新的问题 - 更多...

完美解决phpcms批量移动内容后,新闻心情、评论排行等不更新的问题问题描述:phpcms批量移动内容 文章,批量更新URL -> "批量更新内容页"后,发现原内容的评论、新闻心情全部丢失,这还不算差,后台评论排...问题描述: phpcms...
https://stackoverflow.com/ques... 

getMinutes() 0-9 - How to display two digit numbers?

... (condition?true:false) in PHP you can omit the true statement (condition?:false) in JS you would then use (condition||false) Ternary operator en.wikipedia.org/wiki/Ternary_operation – llange Mar 16 '19 at 9:53 ...
https://stackoverflow.com/ques... 

What is polymorphism, what is it for, and how is it used?

... I would say this is the clearest example, though if you are a PHP programmer this link might be easier to review FIRST, and then still look at this one after: code.tutsplus.com/tutorials/… – Oliver Williams Jan 6 '17 at 19:50 ...
https://stackoverflow.com/ques... 

Response Content type as CSV

... because you are using compression of data trasnferes. The solution is (in php code)...... header('X-Content-Type-Options: nosniff'); share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Is it possible to implement dynamic getters/setters in JavaScript?

... you've misread the question. The OP specifically asked for catch all like PHP's __get and __set. defineProperty doesn't handle that case. From the question: "I.e., create getters and setters for any property name which isn't already defined." (their emphasis). defineProperty defines properties in a...
https://stackoverflow.com/ques... 

Laravel - Route::resource vs Route::controller

...use they can be messy, don't provide names and can be confusing when using php artisan routes. I typically use RESTful Resource controllers in combination with explicit routes. share | improve this ...