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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?

... show you the name of the index, something like this: CONSTRAINT region_ibfk_1 FOREIGN KEY (country_id) REFERENCES country (id) ON DELETE NO ACTION ON UPDATE NO ACTION Now simply issue an: alter table region drop foreign key region_ibfk_1; And finally an: alter table region d...
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Is there a recommended format for multi-line imports?

...BFeature, skipUnlessDBFeature, ) from django.test.utils import ( ignore_warnings, modify_settings, override_settings, override_system_checks, tag, ) share | improve this answer | ...
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How can I use grep to find a word inside a folder?

... | edited Apr 9 at 8:06 vinzee 7,44399 gold badges3131 silver badges4848 bronze badges answered Nov...
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How can I get device ID for Admob

... answered Aug 7 '13 at 22:06 josephjoseph 1,00511 gold badge77 silver badges1515 bronze badges ...
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Custom circle button

... answered May 29 '14 at 9:06 JeromeJerome 1,6811414 silver badges3737 bronze badges ...
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Can I define a class name on paragraph using Markdown?

...for <blockquote>) I found the following online: Function function _DoBlockQuotes_callback($matches) { ...cut... //add id and class details... $id = $class = ''; if(preg_match_all('/\{(?:([#.][-_:a-zA-Z0-9 ]+)+)\}/',$bq,$matches)) { foreach ($matches[1] as $match) {...
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How can I beautify JavaScript code using Command Line?

... Alan StormAlan Storm 68066 silver badges33 bronze badges 3 ...
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Linking R and Julia?

... answered Aug 12 '15 at 17:06 Martin MächlerMartin Mächler 3,8962222 silver badges2424 bronze badges ...
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How to have stored properties in Swift, the same way I had on Objective-C?

...class ObjectAssociation<T: AnyObject> { private let policy: objc_AssociationPolicy /// - Parameter policy: An association policy that will be used when linking objects. public init(policy: objc_AssociationPolicy = .OBJC_ASSOCIATION_RETAIN_NONATOMIC) { self.policy = polic...
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How do I convert a Ruby class name to a underscore-delimited symbol?

...ow can I programmatically turn a class name, FooBar , into a symbol, :foo_bar ? e.g. something like this, but that handles camel case properly? ...