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Unable to import a module that is definitely installed

... my case, it is permission problem. The package was somehow installed with root rw permission only, other user just cannot rw to it! share | improve this answer | follow ...
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Laravel - Eloquent or Fluent random row

...vel 3: User::order_by(DB::raw('RAND()'))->get(); Check this article on MySQL random rows. Laravel 5.2 supports this, for older version, there is no better solution then using RAW Queries. edit 1: As mentioned by Double Gras, orderBy() doesn't allow anything else then ASC or DESC since this chang...
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Best way to structure a tkinter application? [closed]

... <create the rest of your GUI here> if __name__ == "__main__": root = tk.Tk() MainApplication(root).pack(side="top", fill="both", expand=True) root.mainloop() The important things to notice are: I don't use a wildcard import. I import the package as "tk", which requires that ...
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Reset AutoIncrement in SQL Server after Delete

... If you're using MySQL, try this: ALTER TABLE tablename AUTO_INCREMENT = 1 share | improve this answer | follow ...
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Understanding recursion [closed]

...lly called "left" and "right"; again the children can be nodes, or null. A root is a node that is not the child of any other node. Imagine that a node, in addition to its children, has a value, a number, and imagine that we wish to sum all the values in some tree. To sum value in any one node, we ...
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How to overcome root domain CNAME restrictions?

... hosts provide a way to get CNAME-like functionality at the zone apex (the root domain level, for the naked domain name) using a custom record type. Such records include, for example: ALIAS at DNSimple ANAME at DNS Made Easy ANAME at easyDNS CNAME at CloudFlare For each provider, the setup is si...
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What's the difference between require and require-dev? [duplicate]

...he package where you're running composer install (what composer terms the "root package"), but not for other packages installed as dependencies. – Nathan Craike Apr 1 '16 at 4:27 ...
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Creating a simple XML file using python

...nt using the in-stdlib cElementTree: import xml.etree.cElementTree as ET root = ET.Element("root") doc = ET.SubElement(root, "doc") ET.SubElement(doc, "field1", name="blah").text = "some value1" ET.SubElement(doc, "field2", name="asdfasd").text = "some vlaue2" tree = ET.ElementTree(root) tree.wr...
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How do I pre-populate a jQuery Datepicker textbox with today's date?

... This also worked as I wished, since my dateFormat needs to match MySQL's date format (yy-mm-dd). This setDate adds zero padding to the month and day. – jjohn Oct 8 '14 at 17:34 ...
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Is there common street addresses database design for all addresses of the world? [closed]

... lots of fields if you really want to be generic. The UPU Universal Postal Union provides address data for lots of countries in a standard format. Note that the UPU format holds all addresses (down to the available field precision) for a whole country, it is therefore relational. If storing customer...