大约有 47,000 项符合查询结果(耗时:0.0649秒) [XML]

https://stackoverflow.com/ques... 

How to display unique records from a has_many through relationship?

...r the SQL DISTINCT stmt (e.g. has_many :products, :through => :orders, :select => "DISTINCT products.*). In the first case, ALL records are fetched and rails removes the duplicates for you. In the later case, only non-duplicate records are fetched from the db so it might offer better performan...
https://stackoverflow.com/ques... 

Override Java System.currentTimeMillis for testing time sensitive code

...Utils.setCurrentMillisFixed(millis); //or set the clock to be a difference from system time DateTimeUtils.setCurrentMillisOffset(millis); //Reset to system time DateTimeUtils.setCurrentMillisSystem(); If you want import a library that has an interface (see Jon's comment below), you could just use ...
https://stackoverflow.com/ques... 

Reverting part of a commit with git

... for reverting whole commits. You can use git checkout -p to interactively select bits to revert. – mipadi Mar 31 '17 at 18:52 1 ...
https://stackoverflow.com/ques... 

Is a view faster than a simple query?

...e the indexed view directly, or, more importantly, the query optimizer can select the view if it determines that the view can be substituted for some or all of the query in the lowest-cost query plan. In the second case, the indexed view is used instead of the underlying tables and their ordinary in...
https://stackoverflow.com/ques... 

jQuery selector for the label of a checkbox

If I have a check box with a label describing it, how can I select the label using jQuery? Would it be easier to give the label tag an ID and select that using $(#labelId) ? ...
https://stackoverflow.com/ques... 

How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without

... You can also select the branch to publish in your repository settings, in the first tab (Options) near the bottom. It default to gh_pahes if the branch exists, else None (disabled). You can select master or any other branch. ...
https://stackoverflow.com/ques... 

Having a private branch of a public repo on GitHub?

...repo? On GitHub, your repository is either public or private; you cannot selectively "privatize" just a branch. Can I fork my own public repo into my own private branch/fork? You can clone your public repo to your local machine, branch as needed, and simply not push your "private" branches u...
https://stackoverflow.com/ques... 

How do you run a Python script as a service in Windows?

...d since I could pass options to an installed service, I could just as well select my Python executable and pass my script as an option. I have not yet tried this solution, but I will do so right now and update this post along the process. I am also interested in using virtualenvs on Windows, so I m...
https://stackoverflow.com/ques... 

Chrome DevTools Devices does not detect device when plugged in

... Found it under Developer options > Select USB configuration. Changed it to "PTP (Picture Transfer Protocol)", but didn't solve the problem – zok Jul 5 '16 at 10:56 ...
https://stackoverflow.com/ques... 

How to move files from one git repo to another (not a clone), preserving history

...eve it will appear to have been created at the point it was moved into the selected subdirectory. If you want to select just one file, have a look at --index-filter in the filter-branch manpage. – Cascabel Apr 3 '12 at 16:48 ...