大约有 42,000 项符合查询结果（耗时：0.0525秒） [XML]
In C#, why is String a reference type that behaves like a value type?
...it has most of the characteristics of a value type such as being immutable and having == overloaded to compare the text rather than making sure they reference the same object.
...
Difference between \A \z and ^ $ in Ruby regular expressions
...ending on the regular expression for validation, you always want to use \A and \z. ^ and $ will only match up until a newline character, which means they could use an email like me@example.com\n<script>dangerous_stuff();</script> and still have it validate, since the regex only sees ever...
How do I represent a hextile/hex grid in memory?
...Amit Patel has posted an amazing page on this topic. It's so comprehensive and wonderful that it needs to be the definitive answer to this question: Hexagonal Grids
share
|
improve this answer
...
Why would I ever use push_back instead of emplace_back?
...ush_back(x);
v.emplace_back(x);
After your optimizing compiler gets its hands on this, there is no difference between these two statements in terms of generated code. The traditional wisdom is that push_back will construct a temporary object, which will then get moved into v whereas emplace_back w...
jQuery and TinyMCE: textarea value doesn't submit
I am using jQuery and TinyMCE to submit a form, but there is a problem in serialization in that the Textarea value doesn't post.
...
Why does Python code use len() function instead of a length method?
...tocol in Python is to implement this method on objects which have a length and use the built-in len() function, which calls it for you, similar to the way you would implement __iter__() and use the built-in iter() function (or have the method called behind the scenes for you) on objects which are it...
NHibernate ISession Flush: Where and when to use it, and why?
...nfused is the use of session.Flush ,in conjunction with session.Commit , and session.Close .
4 Answers
...
Difference between pre-increment and post-increment in a loop?
Is there a difference in ++i and i++ in a for loop? Is it simply a syntax thing?
22 Answers
...
Disable browsers vertical and horizontal scrollbars
Is it possible to disable the browsers vertical and horizontal scrollbars using jQuery or javascript?
11 Answers
...
When use getOne and findOne methods Spring Data JPA
...ing a method on it is required.
findOne()/findById() is really more clear and simple to use than getOne().
So in the very most of cases, favor findOne()/findById() over getOne().
API Change
From at least, the 2.0 version, Spring-Data-Jpa modified findOne().
Previously, it was defined in the Cru...