大约有 45,000 项符合查询结果（耗时：0.0955秒） [XML]
How can I check if a method is static using reflection?
...ods of a class, how can I do this?
Or, how to differentiate between static and non-static methods.
3 Answers
...
Selecting the first “n” items with jQuery
...ave a large result set to start with. Unfortunately, when evaluating ":lt" and other positional selectors, jQuery loops through the entire set, even if it's just getting the first element. I've written more about this on my blog here: spadgos.com/?p=51
– nickf
...
What is the correct way to get a subarray in Scala?
I am trying to get a subarray in scala, and I am a little confused on what the proper way of doing it is. What I would like the most would be something like how you can do it in python:
...
Naming of enums in Java: Singular or Plural?
...
Enums in Java (and probably enums in general) should be singular. The thinking is that you're not selecting multiple Protocols, but rather one Protocol of the possible choices in the list of values.
Note the absence of plurals: http://doc...
Useful example of a shutdown hook in Java?
...ying to make sure my Java application takes reasonable steps to be robust, and part of that involves shutting down gracefully. I am reading about shutdown hooks and I don't actually get how to make use of them in practice.
...
How do I reference a Django settings variable in my models.py?
...ed: with environment variable DJANGO_SETTINGS_MODULE or with manage.py command line parameter --settings=.. Read more in docs: docs.djangoproject.com/en/2.0/topics/settings
– mirek
Feb 8 '18 at 20:51
...
ALTER TABLE, set null in not null column, PostgreSQL 9.1
...
Execute the command in this format
ALTER TABLE tablename ALTER COLUMN columnname SET NOT NULL;
for setting the column to not null.
share
|
...
Capistrano - clean up old releases
Usually when using capistrano, I will go and manually delete old releases from a deployed application. I understand that you can run cap deploy:cleanup but that still leaves 5 releases. Is this it's intended purpose? Is there another way to cleanup old releases to just 1 previous deploy?
...
Named routes _path vs _url
...st of the time.
_url helpers provide an absolute path, including protocol and server name. I've found that I mainly use these in emails when creating links to the app on the server. They should mainly be used when providing links for external use. (Think email links, RSS, and things like the copy a...
How do you rebase the current branch's changes on top of changes being merged in?
Okay. If I'm on a branch (say working ), and I want to merge in the changes from another branch (say master ), then I run the command git-merge master while on the working branch, and the changes get merged in without rebasing the history at all. If I run git-rebase master , then the changes ...