大约有 43,000 项符合查询结果（耗时：0.0394秒） [XML]
Find document with array that contains a specific value
... What happens when I want to find an Array that contains at least two strings?
– Aero Wang
Apr 7 '19 at 9:08
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What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...XML/XHTML. I know a lot of devs don't care about those, but they should at least be aware of the pitfall. Personally I strive for XHTML compliance - unless given a compelling reason, which I haven't received yet - so I use the long/duplicated form.
– underscore_d
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How can I find out what FOREIGN KEY constraint references a table in SQL Server?
... InteliSense Cache = Ctrl+Shift+R; Ctrl+R = show/hide results pane (or at least these are my defaults for SSMS2008 and SSMS2014)
– Vladislav
Jan 13 '16 at 9:15
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Managing CSS Explosion
...p: 10px; right: 10px;
If they are just not that readable on one line, at least put them in close proximity:
padding: 10px; margin: 20px;
border: 1px solid black;
Use shorthand when possible:
/* the following... */
padding-left: 10px;
padding-right: 10px;
/* can simply be written as */
padding:...
Selecting empty text input using jQuery
...omething like [value=""] but I don't think that actually works . . . or at least, the usage is not consistent. I'm trying to do something similar, selecting all inputs with ids beginning with a certain string that also have no entered value. I tried this:
$("input[id^='something'][value='']")
but...
IBOutlet and IBAction
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IBAction does nothing at edit-time, either, for at least the past decade. You can connect a (void) method in Interface Builder, too.
– J. Cocoe
Sep 1 '16 at 2:53
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Find all records which have a count of an association greater than zero
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1) To get Projects with at least 1 vacancy:
Project.joins(:vacancies).group('projects.id')
2) To get Projects with more than 1 vacancy:
Project.joins(:vacancies).group('projects.id').having('count(project_id) > 1')
3) Or, if Vacancy model sets...
Typical AngularJS workflow and project structure (with Python Flask)
...files will be cached, so you might want to use make_response() instead, at least for development:
return make_response(open('templates/index.html').read())
Afterwards, build out the AngularJS part of your app, modifying the app structure so that it looks like this:
app
|-- app.py
|-- static
...
Finding duplicate values in a SQL table
...ll_group_by:
GROUP BY lname ORDER BY showing wrong results;
Which is the least expensive aggregate function in the absence of ANY() (see comments in accepted answer).
Oracle isn't mainstream enough (warning: humour, I don't know about Oracle).
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How to “git clone” including submodules?
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@NHDaly Sadly, no. (Not that I know of, at least.)
– Mathias Bynens
Feb 20 '13 at 7:25
6
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