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how to check the dtype of a column in python pandas

...ut anyway this case have to have some post processing. 5. df.api.types.is_XXX_dtype approach. This one is intended to be most robust and native way to achieve dtype recognition (path of the module where functions resides says by itself) as i suppose. And it works almost perfectly, but still have a...
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Removing packages installed with go get

...swered Apr 27 '18 at 20:04 ecwpz91ecwpz91 89999 silver badges77 bronze badges ...
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Difference between two dates in Python

... answered Jun 5 '19 at 20:54 ar91ar91 111 bronze badge add a comment ...
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Python base64 data decode

... Python 3 (and 2) import base64 a = 'eW91ciB0ZXh0' base64.b64decode(a) Python 2 A quick way to decode it without importing anything: 'eW91ciB0ZXh0'.decode('base64') or more descriptive >>> a = 'eW91ciB0ZXh0' >>> a.decode('base64') 'your te...
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Drawing a line/path on Google Maps

...myMapView.getOverlays().add(new DirectionPathOverlay(gp1, gp2)); Log.d("xxx", "pair:" + pairs[i]); } // END POINT myMapView.getOverlays().add(new DirectionPathOverlay(gp2, gp2)); myMapView.getController().animateTo(startGP); myMapView.setBuiltInZoomControls(true); myMapView.displayZ...
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Python - abs vs fabs

... 3: 93.2 ns per loop In [8]: %timeit abs(-5.0) 10000000 loops, best of 3: 91.8 ns per loop In [9]: %timeit fabs(-5.0) 10000000 loops, best of 3: 91 ns per loop So it seems abs() only has slight speed advantage over fabs() for integers. For floats, abs() and fabs() demonstrate similar speed. I...
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How to become an OpenCart guru? [closed]

... will need to load them in your controller via $this->load->model('xxx/yyy'); This will load the file in the subfolder xxx called yyy.php. It is then available to use via the object $this->model_xxx_yyy and as with controllers, you can only call its public methods. For instance, to r...
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How to determine when a Git branch was created?

...5:29:29 2009}: checkout: moving from 4a6908a3a050aacc9c3a2f36b276b46c0629ad91 4a6908a HEAD@{Mon Oct 26 14:52:12 2009}: checkout: moving from master to v2.6.28 It may also be useful at times to use --date=relative: $ git reflog --date=relative 763008c HEAD@{4 weeks ago}: pull : Fast-forward f6cec...
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Placement of the ng-app directive (html vs body)

... Haralan DobrevHaralan Dobrev 7,06911 gold badge4141 silver badges6161 bronze badges ...
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What is @ModelAttribute in Spring MVC?

...rson createPerson(){ return new Person(); } @RequestMapping(...) public xxx handlePersonRequest( (@Autowired @Qualifier("person") | @Bean("person")) Person person, xxx){ ... } As you can see, Spring made the right decision to make @ModelAttribute an all-encompassing annotation; no one wants t...