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Django Passing Custom Form Parameters to Formset
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Official Document Way
Django 2.0:
ArticleFormSet = formset_factory(MyArticleForm)
formset = ArticleFormSet(form_kwargs={'user': request.user})
https://docs.djangoproject.com/en/2.0/topics/forms/formsets/#passing-custom-parameters-to-formset-forms
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Javascript fuzzy search that makes sense
... hit_count++
if hit_count > 0
return ((2.0 * hit_count) / union)
return 0.0
Pass two strings to string_similarity which will return a number between 0 and 1.0 depending on how similar they are. This example uses Lo-Dash
Usage Example....
query = 'jenny Jac...
How often should you use git-gc?
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You can do it without any interruption, with the new (Git 2.0 Q2 2014) setting gc.autodetach.
See commit 4c4ac4d and commit 9f673f9 (Nguyễn Thái Ngọc Duy, aka pclouds):
gc --auto takes time and can block the user temporarily (but not any less annoyingly).
Make it run in ...
How to stop /#/ in browser with react-router?
...ory()} >
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</Router>
), document.body);
Source: Version 2.0 Upgrade Guide
Version 4
For the upcoming version 4 of react-router, the syntax has changed a great deal and it is required is to use BrowserRouter as the router root tag.
import BrowserRouter from 'react-router/Browser...
Is there something like RStudio for Python? [closed]
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Yhat released Rodeo 2.0 (native app not a browser tool) for Windows, Mac & Linux in 2016. It's a lot more stable than it was and has lots of new features like syntax highlighting and integrated tutorials. Definitely worth checking out if you...
Zip lists in Python
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When you zip() together three lists containing 20 elements each, the result has twenty elements. Each element is a three-tuple.
See for yourself:
In [1]: a = b = c = range(20)
In [2]: zip(a, b, c)
Out[2]:
[(0, 0, 0),
(1, 1, 1),
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(17, 17, 17),
(18, 18, 18...
Should I use `this` or `$scope`?
...ssic" technique while "controller as" is much more recent (as of version 1.2.0 officially though it did appear in unstable pre-releases prior to this).
Both work perfectly well and the only wrong answer is to mix them in the same app without an explicit reason. Frankly, mixing them will work, but ...
What can , and be used for?
...owever new since JSF 2.2 (the <f:viewParam> already exists since JSF 2.0). If you can't upgrade, then your best bet is using <f:event> instead.
<f:event type="preRenderView" listener="#{bean.onload}" />
This is however invoked on every request. You need to explicitly check if the ...
XPath query to get nth instance of an element
...to work:
/descendant::input[@id="search_query"][2]
I go this from "XSLT 2.0 and XPath 2.0 Programmer's Reference, 4th Edition" by Michael Kay.
There is also a note in the "Abbreviated Syntax" section of the XML Path Language specification http://www.w3.org/TR/xpath/#path-abbrev that provided a ...
Statistics: combinations in Python
...ersions of scipy). When exact is False, it uses the gammaln function to obtain good precision without taking much time. In the exact case it returns an arbitrary-precision integer, which might take a long time to compute.
sh...