大约有 30,000 项符合查询结果（耗时：0.0595秒） [XML]
How to delete all Annotations on a MKMapView
...me with copy and paste and removing [locs release] and changing mapView to _mapView. I was following a great tutorial for MKDirections here devfright.com/mkdirections-tutorial and wanted to remove the pin after getting directions. I added the code below the last line of that method to the 'clear rou...
MAC addresses in JavaScript
...teKiller
66.4k7070 gold badges165165 silver badges203203 bronze badges
...
How do I remove the old history from a git repository?
...ll.
– Craig McQueen
Jun 25 '13 at 6:32
10
"Just create a graft of the parent of your new root com...
See :hover state in Chrome Developer Tools
...
32
I wanted to see the hover state on my Bootstrap tooltips. Forcing the the :hover state in Chrom...
How to ignore xargs commands if stdin input is empty?
...
322
For GNU xargs, you can use the -r or --no-run-if-empty option:
--no-run-if-empty
...
Rails :include vs. :joins
... what I understood (with examples :))
Consider this scenario:
A User has_many comments and a comment belongs_to a User.
The User model has the following attributes: Name(string), Age(integer). The Comment model has the following attributes:Content, user_id. For a comment a user_id can be null.
...
How to trigger a build only if changes happen on particular set of files
...s, I have a repositorie with multiple modules (domain, common, api, desktop_app,...) I want trigger a build for desktop_app for example, I put on the "included regions" production_app/*, I tried several combinations like ./desktop_app even absolute path. AndI always got Ignored commit c6e2b1dca0d188...
VIM Replace word with contents of paste buffer?
...th the change command to go anywhere, you can use the black hole register "_: "_cw. Then once in insert mode, you can hit ctrl-R followed by the register you want (probably ") to put in the contents of that register.
"* - selection register (middle-button paste)
"+ - clipboard register (probably a...
How can I insert values into a table, using a subquery with more than one result?
...
Taryn♦Taryn
216k5050 gold badges327327 silver badges380380 bronze badges
add a comment
...
How to detect internet speed in JavaScript?
...lete?
– Jakub Hampl
Apr 3 '11 at 13:32
2
@Jakub: Any of several ways. If you do a form submission...