大约有 16,000 项符合查询结果（耗时：0.0241秒） [XML]
StringBuilder vs String concatenation in toString() in Java
... StringBuilder optimization. I was using a decompiler and, some how, it is converting back to concat. +1
– bruno conde
Oct 7 '09 at 16:30
81
...
How do I convert NSMutableArray to NSArray?
How do I convert NSMutableArray to NSArray in objective-c ?
9 Answers
9
...
Convert RGB to RGBA over white
I have a hex color, e.g. #F4F8FB (or rgb(244, 248, 251) ) that I want converted into an as-transparent-as-possible rgba color (when displayed over white). Make sense? I'm looking for an algorithm, or at least idea of an algorithm for how to do so.
...
How to generate a new Guid in stored procedure?
...using C# so I assume that you're using SQL Server. I'm sure other database system have similar functions.
select NEWID()
If you're using Oracle then you can use the SYS_GUID() function. Check out the answer to this question: Generate a GUID in Oracle
...
Converting double to string
I am not sure it is me or what but I am having a problem converting a double to string.
14 Answers
...
Convert DOS line endings to Linux line endings in Vim
...Alternately, if you move files back and forth a lot, you might not want to convert them, but rather to do :set ff=dos, so Vim will know it's a DOS file and use DOS conventions for line endings.
share
|
...
How to convert a string Date to long millseconds
... have a date inside a string, something like "12-December-2012".
How can I convert this into milliseconds (long)?
9 Answers...
Who sets response content-type in Spring MVC (@ResponseBody)
...
Simple declaration of the StringHttpMessageConverter bean is not enough, you need to inject it into AnnotationMethodHandlerAdapter:
<bean class = "org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConv...
Converting any string into camel case
How can I convert a string into camel case using javascript regex?
33 Answers
33
...
Convert Unix timestamp into human readable date using MySQL
Is there a MySQL function which can be used to convert a Unix timestamp into a human readable date? I have one field where I save Unix times and now I want to add another field for human readable dates.
...