大约有 15,210 项符合查询结果（耗时：0.0293秒） [XML]
How to run `rails generate scaffold` when the model already exists?
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TL;DR: rails g scaffold_controller <name>
Even though you already have a model, you can still generate the necessary controller and migration files by using the rails generate option. If you run rails generate -h you can see all of the options available to you.
Rails:
controller
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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
...ut, really saving lines of text should be secondary in priority to easy to read code. Not sure what the style is in the place where this solution might be used; but, mimic it's style (not a personal one) if a dominant style exists.
– Edwin Buck
Aug 29 at 23:19...
Why there is no ConcurrentHashSet against ConcurrentHashMap
...a "ConcurrentSet" stems from not the API but rather the implementation - thread safety but without a universal lock - multiple concurrent reads for instance.
– Ustaman Sangat
Sep 13 '12 at 16:07
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How to get start and end of day in Javascript?
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Please read @sidonaldson's extremely important comment. Using setHours is dangerous as it sets the local hours, instead of UTC hours.
– Michael
Dec 31 '18 at 13:31
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JSHint and jQuery: '$' is not defined
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This option, jquery, simply defines two read-only global variables: $ and jQuery. It is a shorter version of /*global $:false, jQuery:false */.
– Anton Kovalyov
Jan 13 '12 at 19:24
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Interview questions: WPF Developer [closed]
...they are really any good or not. A potential candicate could actually just read these and create canned answers that sound great. All this shows is that the candidate can talk-the-talk, but what matters in the job itself is if they can walk-the-walk.
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How can I strip first and last double quotes?
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he"l'lo
he"l'lo
'he"l'lo"
(For me, regex expressions are non-obvious to read, so I didn't try to extend @Alex's answer.)
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How to remove .html from URL?
...sumed the OP was saving his pages without the .html extension (which, as I read it, wasn't the case.)
– Kal
Sep 8 at 8:19
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How to import Google Web Font in CSS file?
... I had internet explorer problem with @import. Sometimes it just don't read it.
– Burk
Aug 14 '15 at 12:21
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How do you do relative time in Rails?
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Hum, I read first ruby, and ruby don't have ActiveSupport out of the box. So I think this post is more ruby. However in the actual question there is a mention of rails.
– Jonke
Oct 13 '08 at 20...