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Nested defaultdict of defaultdict

... For an arbitrary number of levels: def rec_dd(): return defaultdict(rec_dd) >>> x = rec_dd() >>> x['a']['b']['c']['d'] defaultdict(<function rec_dd at 0x7f0dcef81500>, {}) >>> print json.dumps(x) {"a": {"b": {"c": {"d": {}}}}} ...
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Moving matplotlib legend outside of the axis makes it cutoff by the figure box

... Sorry EMS, but I actually just got another response from the matplotlib mailling list (Thanks goes out to Benjamin Root). The code I am looking for is adjusting the savefig call to: fig.savefig('samplefigure', bbox_extra_artists=(lgd,), bbox_in...
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Generating a unique machine id

...yourself and hash it to an arbitrary length. See the PDF specification for all SMBIOS structures available. To query the SMBIOS info from Windows you could use EnumSystemFirmwareEntries, EnumSystemFirmwareTables and GetSystemFirmwareTable. IIRC, the "unique id" from the CPUID instruction is deprec...
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package R does not exist

...kage.R; Of course, replacing your.app.package with your app package. In all the classes which use R resource references, remove any other import with .R, i.e. import android.R; share | improve th...
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What's the best way to validate an XML file against an XSD file?

... JDK 6 uses SAX parser with a StreamSource. A JAXP implementation could legally use a DOM parser in this case, but there is no reason to. If you use a DOM parser explicitly for validation, you will definitely instantiate a DOM tree. – McDowell Jul 21 '12 at 14:...
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Create Directory if it doesn't exist with Ruby

... ["foo/bar"] Edit2: you do not have to use FileUtils, you may do system call (update from @mu is too short comment): > system 'mkdir', '-p', 'foo/bar' # worse version: system 'mkdir -p "foo/bar"' => true But that seems (at least to me) as worse approach as you are using external 'tool' wh...
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How Pony (ORM) does its tricks?

...ecode instructions one-by-one. For each instruction the decompiler object calls its own method. The name of this method is equal to the name of current bytecode instruction. When Python calculates an expression, it uses stack, which stores an intermediate result of calculation. The decompiler objec...
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Comparing date part only without comparing time in JavaScript

... that should give equal dates will not work because the two date are not really at 00:00:00:0. – Oliver Feb 8 '15 at 15:40 9 ...
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Python - 'ascii' codec can't decode byte

I'm really confused. I tried to encode but the error said can't decode... . 7 Answers ...
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How to know when UITableView did scroll to bottom in iPhone

...st way is to test a point at the bottom of the screen and use this method call when ever the user scrolls (scrollViewDidScroll): - (NSIndexPath *)indexPathForRowAtPoint:(CGPoint)point Test a point near the bottom of the screen, and then using the indexPath it returns check if that indexPath is th...