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“Too many values to unpack” Exception

... tuple has too many values with respect to the number of target variables. For example: this work, and prints 1, then 2, then 3 def returnATupleWithThreeValues(): return (1,2,3) a,b,c = returnATupleWithThreeValues() print a print b print c But this raises your error def returnATupleWithThree...
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How to “EXPIRE” the “HSET” child key in redis?

... This is not possible, for the sake of keeping Redis simple. Quoth Antirez, creator of Redis: Hi, it is not possible, either use a different top-level key for that specific field, or store along with the filed another field with an expire ...
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Calculate difference in keys contained in two Python dictionaries

...elf.set_past - self.intersect def changed(self): return set(o for o in self.intersect if self.past_dict[o] != self.current_dict[o]) def unchanged(self): return set(o for o in self.intersect if self.past_dict[o] == self.current_dict[o]) Here is some sample output: >>...
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Styling Google Maps InfoWindow

...xtends the GOverlay class from the Google Maps API and uses this as a base for creating a more flexible info window. It first creates the class: /* An InfoBox is like an info window, but it displays * under the marker, opens quicker, and has flexible styling. * @param {GLatLng} latlng Point to pl...
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How to drop column with constraint?

...offers drop column checkin But the error may appear from other reasons - for example the user defined function or view with SCHEMABINDING option set for them. UPD: Completely automated dropping of constraints script: DECLARE @sql NVARCHAR(MAX) WHILE 1=1 BEGIN SELECT TOP 1 @sql = N'alter tabl...
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Accessing nested JavaScript objects and arays by string path

.../^\./, ''); // strip a leading dot var a = s.split('.'); for (var i = 0, n = a.length; i < n; ++i) { var k = a[i]; if (k in o) { o = o[k]; } else { return; } } return o; } Usage:: Object.byString(someObj, 'part3[...
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How do I raise the same Exception with a custom message in Python?

... Update: For Python 3, check Ben's answer To attach a message to the current exception and re-raise it: (the outer try/except is just to show the effect) For python 2.x where x>=6: try: try: raise ValueError # somet...
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What is the meaning of single and double underscore before an object name?

...n someone please explain the exact meaning of having leading underscores before an object's name in Python, and the difference between both? ...
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git rebase without changing commit timestamps

Would it make sense to perform git rebase while preserving the commit timestamps? 5 Answers ...
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How to serve an image using nodejs

...s over 5 years old but every answer has some problems. TL;DR Scroll down for examples to serve an image with: express.static express connect http net All of the examples are also on GitHub: https://github.com/rsp/node-static-http-servers Test results are available on Travis: https://travis-ci...