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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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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 to avoid reverse engineering of an APK file?
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However, there are steps you can take to protect your source code, or at least what it does if not everything.
Use tools like ProGuard. These will obfuscate your code, and make it harder to read when decompiled, if not impossible.
Move the most critical parts of the service out of the app, and i...
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:...
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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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...
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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Delete with Join in MySQL
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If you're making a better answer - at least you could make the SQL more readable. All the other SQL references in this question have capitalized keywords (except for one with 0 votes). I'm not sure why you reverted my edits.
– Yehosef
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How to order by with union in SQL?
... it was behaving unpredictably as you described, I think the UNION ALL (at least in Oracle) was necessary to order the top SELECT above the bottom. However I've provided an alternate that does guarantee correct ordering and should be database independent.
– BA TabNabber
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