大约有 45,000 项符合查询结果（耗时：0.0834秒） [XML]
OO Design in Rails: Where to put stuff
I'm really enjoying Rails (even though I'm generally RESTless), and I enjoy Ruby being very OO. Still, the tendency to make huge ActiveRecord subclasses and huge controllers is quite natural (even if you do use a controller per resource). If you were to create deeper object worlds, where would you p...
How to check if one DateTime is greater than the other in C#
I have two DateTime objects: StartDate and EndDate . I want to make sure StartDate is before EndDate . How is this done in C#?
...
What are the effects of exceptions on performance in Java?
Question: Is exception handling in Java actually slow?
18 Answers
18
...
Verify object attribute value with mockito
...ethod call which I want to mock with mockito. To start with I have created and injected an instance of an object on which the method will be called. My aim is to verify one of the object in method call.
...
Best practice: PHP Magic Methods __set and __get [duplicate]
...
I have been exactly in your case in the past. And I went for magic methods.
This was a mistake, the last part of your question says it all :
this is slower (than getters/setters)
there is no auto-completion (and this is a major problem actually), and type management b...
How can I change the default Django date template format?
...
Link to docs isn't really an answer, so downvoted this and upvoted medmunds' answer.
– eric
Aug 21 '17 at 1:57
add a comment
|
...
How to store arrays in MySQL?
...
The proper way to do this is to use multiple tables and JOIN them in your queries.
For example:
CREATE TABLE person (
`id` INT NOT NULL PRIMARY KEY,
`name` VARCHAR(50)
);
CREATE TABLE fruits (
`fruit_name` VARCHAR(20) NOT NULL PRIMARY KEY,
`color` VARCHAR(20),
`price` INT
)...
SQL SELECT WHERE field contains words
...e present, use this:
SELECT * FROM mytable
WHERE column1 LIKE '%word1%'
AND column1 LIKE '%word2%'
AND column1 LIKE '%word3%'
If you want something faster, you need to look into full text search, and this is very specific for each database type.
...
What's the difference between returning void and returning a Task?
...arious C# Async CTP samples I see some async functions that return void , and others that return the non-generic Task . I can see why returning a Task<MyType> is useful to return data to the caller when the async operation completes, but the functions that I've seen that have a return typ...
What does the “Just” syntax mean in Haskell?
...d does. Every Haskell tutorial that I have looked at just starts using it randomly and never explains what it does (and I've looked at many).
...