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How to get nice formatting in the Rails console

...he y method is a handy way to get some pretty YAML output. y ProductColor.all Assuming you are in script/console As jordanpg commented, this answer is outdated. For Rails 3.2+ you need to execute the following code before you can get the y method to work: YAML::ENGINE.yamler = 'syck' From rub...
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A html space is showing as %2520 instead of %20

...e using) double encoding characters? Edit: Expanding a bit on this, especially for LOCAL links. Assuming you want to link to the resource C:\my path\my file.html: if you provide a local file path only, the browser is expected to encode and protect all characters given (in the above, you should gi...
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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ble来管理全局变量的,Lua把这些全局变量放在了一个叫“_G”的Table里。 我们可以用如下的方式来访问一个全局变量(假设我们这个全局变量名叫globalVar): 1 2 _G.globalVar _G["globalVar"] 我们可...
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How to refer to relative paths of resources when working with a code repository

...Try to use a filename relative to the current files path. Example for './my_file': fn = os.path.join(os.path.dirname(__file__), 'my_file') In Python 3.4+ you can also use pathlib: fn = pathlib.Path(__file__).parent / 'my_file' ...
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What is the difference between an interface and abstract class?

...'t do anything. It's just a pattern. For example (pseudo code): // I say all motor vehicles should look like this: interface MotorVehicle { void run(); int getFuel(); } // My team mate complies and writes vehicle looking that way class Car implements MotorVehicle { int fuel; vo...
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Join strings with a delimiter only if strings are not null or empty

... .filter(Boolean) (which is the same as .filter(x => x)) removes all "falsy" values (nulls, undefineds, empty strings etc). If your definition of "empty" is different, then you'll have to provide it, for example: [...].filter(x => typeof x === 'string' && x.length > 0) wi...
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Circular gradient in android

...olling, you're right that the android:gradientRadius="250" doesn't work at all, I guess it behaved differently on older Android versions. – Justin Apr 22 '15 at 14:58 add a co...
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How to update a record using sequelize for node?

...gt; handleError(err) ) Update 2016-03-09 The latest version actually doesn't use success and error anymore but instead uses then-able promises. So the upper code will look as follows: Project.update( { title: 'a very different title now' }, { where: { _id: 1 } } ) .then(result =&g...
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SVN Commit specific files

... Sure. Just list the files: $ svn ci -m "Fixed all those horrible crashes" foo bar baz graphics/logo.png I'm not aware of a way to tell it to ignore a certain set of files. Of course, if the files you do want to commit are easily listed by the shell, you can use that: ...
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Partial Commits with Subversion

...sing the full GIT feature set (including partial commits) and then push it all back to the SVN repository. git-svn (1) share | improve this answer | follow | ...