大约有 42,000 项符合查询结果（耗时：0.0445秒） [XML]
Database Design for Revisions?
We have a requirement in project to store all the revisions(Change History) for the entities in the database. Currently we have 2 designed proposals for this:
...
Difference in months between two dates
How to calculate the difference in months between two dates in C#?
40 Answers
40
...
How to print pandas DataFrame without index
I want to print the whole dataframe, but I don't want to print the index
8 Answers
8
...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...
I think JAVA_HOME is the best you can do. The command-line tools like java and javac will respect that environment variable, you can use /usr/libexec/java_home -v '1.7*' to give you a suitable value to put into JAVA_HOME in order to make command line tools use Java 7.
export JAVA_HO...
Why use Gradle instead of Ant or Maven? [closed]
What does another build tool targeted at Java really get me?
9 Answers
9
...
How to allow http content within an iframe on a https site
I load some HTML into an iframe but when a file referenced is using http, not https, I get the following error:
9 Answers
...
How to rollback a specific migration?
...
rake db:rollback STEP=1
Is a way to do this, if the migration you want to rollback is the last one applied. You can substitute 1 for however many migrations you want to go back.
For example:
rake db:rollback STEP=5
Will also rollback all the migration th...
Running a Haskell program on the Android OS
...king on JHC I just wished more people could help him.
The other option is to build an "unregistered" port of GHC targeting the ndk gcc, this is a lot more involved process because GHC is not a true cross-compiler at the moment and you need to understand the build system what parts you need to chang...
Is there a Java reflection utility to do a deep comparison of two objects?
I'm trying to write unit tests for a variety of clone() operations inside a large project and I'm wondering if there is an existing class somewhere that is capable of taking two objects of the same type, doing a deep comparison, and saying if they're identical or not?
...
How to pause a YouTube player when hiding the iframe?
...r clicks on a link, this div becomes visible, the user should then be able to play the video.
14 Answers
...