大约有 20,219 项符合查询结果(耗时:0.0721秒) [XML]
Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
Does anybody know the difference between these two commands to switch and track a remote branch?
4 Answers
...
What is difference between Collection.stream().forEach() and Collection.forEach()?
I understand that with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
...
What's the difference between a catalog and a schema in a relational database?
I used to think schema were the "upper wrapper" object before the database itself.
I mean DB.schema.<what_ever_object_name_under_schema> .
...
Is it possible to rename a maven jar-with-dependencies?
I'm currently using the jar-with-dependencies assembly to create such a jar. However, the name of my jar is a bit long.
...
Rails 3 - can't install pg gem
When I try to run bundle (bundle install), I all the time get
16 Answers
16
...
Make an HTTP request with android
I have searched everywhere but I couldn't find my answer, is there a way to make an simple HTTP request? I want to request an PHP page / script on one of my website but I don't want to show the webpage.
...
What is the usefulness of PUT and DELETE HTTP request methods?
I have read a lot stuff about this but not able to get the conclusion on this topic.
4 Answers
...
How do you track record relations in NoSQL?
I am trying to figure out the equivalent of foreign keys and indexes in NoSQL KVP or Document databases. Since there are no pivotal tables (to add keys marking a relation between two objects) I am really stumped as to how you would be able to retrieve data in a way that would be useful for normal we...
iPhone - Grand Central Dispatch main thread
I have been using with success, grand central dispatch in my apps, but I was wondering what is the real advantage of using something like this:
...
Paste multiple columns together
I have a bunch of columns in a dataframe which I want to paste together (seperated by "-") as follows:
10 Answers
...