大约有 30,000 项符合查询结果（耗时：0.0296秒） [XML]
rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
...r more info, see the "In Production" section of the Asset Pipeline Guide:
http://guides.rubyonrails.org/asset_pipeline.html
share
|
improve this answer
|
follow
...
How to get the index of an item in a list in a single step?
How can I find the index of an item in a list without looping through it?
7 Answers
7
...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
...
I liked the explanation in the below link:
http://www.itprogrammingtutorials.com/2015/java/hibernate/hibernate-validator-diff-notblank-notempty/
@NotNull: Checks whether the value is not null, disregarding the content
@NotEmpty: Checks whether the value is not null ...
Shell Script — Get all files modified after
I'd rather not do this in PHP so I'm hoping a someone decent at shell scripting can help.
9 Answers
...
How to check Oracle database for long running queries
My application, which uses an Oracle database, is going slow or appears to have stopped completely.
8 Answers
...
How to set a timer in android
...tion that I create which does not change the UI)?
Use this the Java way:
http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Timer.html
...
What do Clustered and Non clustered index actually mean?
I have a limited exposure to DB and have only used DB as an application programmer. I want to know about Clustered and Non clustered indexes .
I googled and what I found was :
...
T-SQL: Deleting all duplicate rows but keeping one [duplicate]
I have a table with a very large amount of rows. Duplicates are not allowed but due to a problem with how the rows were created I know there are some duplicates in this table.
I need to eliminate the extra rows from the perspective of the key columns. Some other columns may have slightly different...
Simple way to find if two different lists contain exactly the same elements?
What is the simplest way to find if two Lists contain exactly the same elements, in the standard Java libraries?
16 Answer...
Reasons for using the set.seed function
Many times I have seen the set.seed function in R, before starting the program. I know it's basically used for the random number generation. Is there any specific need to set this?
...