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python generator “send” function purpose?

...is an artificial (non-useful) explanatory example: >>> def double_inputs(): ... while True: ... x = yield ... yield x * 2 ... >>> gen = double_inputs() >>> next(gen) # run up to the first yield >>> gen.send(10) # goes into 'x' variabl...
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Is there a way to include commas in CSV columns without breaking the formatting?

... Enclose the field in quotes, e.g. field1_value,field2_value,"field 3,value",field4, etc... See wikipedia. Updated: To encode a quote, use ", one double quote symbol in a field will be encoded as "", and the whole field will become """". So if you see the follow...
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How to create a directory if it doesn't exist using Node.js?

...istsSync() isn't deprecated, exists() is though - nodejs.org/api/fs.html#fs_fs_existssync_path – Ian Chadwick Oct 18 '16 at 11:04 1 ...
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What's the difference between ES6 Map and WeakMap?

...e: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap): Keys of WeakMaps are of the type Object only. Primitive data types as keys are not allowed (e.g. a Symbol can't be a WeakMap key). Nor can a string, number, or boolean be used as a WeakMap key. A M...
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Converting a string to a date in JavaScript

... function stringToDate(_date,_format,_delimiter) { var formatLowerCase=_format.toLowerCase(); var formatItems=formatLowerCase.split(_delimiter); var dateItems=_date.split(_delimiter); var monthIndex=f...
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How do I run a single test with Nose in Pylons

... nosetests appname.tests.functional.test_controller should work, where the file is named test_controller.py. To run a specific test class and method use a path of the form module.path:ClassNameInFile.method_name, that is, with a colon separating the module/file pa...
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What tools are there for functional programming in C?

... FFCALL lets you build closures in C -- callback = alloc_callback(&function, data) returns a function pointer such that callback(arg1, ...) is equivalent to calling function(data, arg1, ...). You will have to handle garbage collection manually, though. Relatedly, blocks have...
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not None test in Python [duplicate]

...r of the latter two, since val could potentially be of a type that defines __eq__() to return true when passed None. share | improve this answer | follow | ...
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What is the list of possible values for navigator.platform as of today? [closed]

...mv5tejl Linux armv6l Linux armv7l Linux armv8l Linux i686 Linux i686 on x86_64 Linux i686 X11: based on X11 Window System Linux MSM8960_v3.2.1.1_N_R069_Rev:18: Sony Xperia V Linux ppc64 Linux x86_64 Linux x86_64 X11: based on X11 Window System Microsoft Even on a 64-bit Windows 8 they all stick to ...
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How to set ViewBag properties for all Views without using a base class for Controllers?

... } } } register your custom class in the global. asax (Application_Start) protected void Application_Start() { AreaRegistration.RegisterAllAreas(); GlobalFilters.Filters.Add(new UserProfilePictureActionFilter(), 0); } Then you can use it in all views @ViewBag.IsAd...