大约有 47,000 项符合查询结果（耗时：0.0560秒） [XML]
Laravel Check If Related Model Exists
...method calls through to an Eloquent query Builder, which is set up to only select the related objects. That Builder in turn passes unknown method calls through to its underlying query Builder.
This means you can use the exists() or count() methods directly from a relation object:
$model->relati...
Open URL under cursor in Vim with browser
...xdg-open <c-r>" &<cr>
So in normal mode it pressing \ it selects current word and open it as address in web browser.
Leader by default is \ (but I've mapped it to , with let mapleader = ","). Similarly, using imap you can map some key sequence in insert mode (but then, if it is 2 ...
CodeIgniter: Create new helper?
... $ci=& get_instance();
$ci->load->database();
$sql = "select * from table";
$query = $ci->db->query($sql);
$row = $query->result();
}
share
|
improve this ans...
Android: Access child views from a ListView
...
I've tried this, for doing selections. It usually works but there are off-by-one errors sometimes and it isn't reliable. I wouldn't recommend it.
– Timmmm
Sep 18 '12 at 12:13
...
form with no action and where enter does not reload page
...ent (e.g. enter key) can bring you in trouble with textareas, and possibly selecting autocompletion or dropdowns, and mobile could be another source of trouble.
– luckydonald
Jun 10 at 15:34
...
Attempted to read or write protected memory. This is often an indication that other memory is corrup
...o to project properties of the console application project (Alternatively, select project file in solution explorer and press Alt + Enter key combination) -> Go to Debug tab -> Scroll to Enable Debuggers section in right pane -> Check the Enable unmanaged code debugging check box as shown i...
Change computer name for a TFS Workspace
...our computer name or anyway you want to update your workspace accordingly, select the workspace you want to edit
Error CS1705: “which has a higher version than referenced assembly”
... modules to a new version of a cms so I had to go to the problem packages, select them and click install. Could have been because the cms had just changed over to use nuget but you saved me a lot of tedious csproj editing!
– rtpHarry
Apr 21 '16 at 16:06
...
Determine if variable is defined in Python [duplicate]
...ot much information in the question, so I believe only person asked it can select the best way to handle his case.
– Denis Otkidach
Oct 20 '09 at 7:58
140
...
Pull new updates from original GitHub repository into forked GitHub repository
... Usually you only want to sync the master branch.
Create new pull request.
Select the arrow to the right of the merging button, and make sure to choose rebase instead of merge. Then click the button. This way, it will not produce unnecessary merge commit.
Done.
...