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Why is parenthesis in print voluntary in Python 2.7?
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107
In Python 2.x print is actually a special statement and not a function*.
This is also why it c...
What do the python file extensions, .pyc .pyd .pyo stand for?
....pyc’ or ‘.pyo’ file directly on the command line.
Note:
On 2015-09-15 the Python 3.5 release implemented PEP-488 and eliminated .pyo files.
This means that .pyc files represent both unoptimized and optimized bytecode.
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Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
...I forgot to put name= on the last argument of the url (or path in Django 2.0+) function call.
For instance, the following functions throw the error from the question:
url(r'^foo/(?P<bar>[A-Za-z]+)/$', views.FooBar.as_view(), 'foo')
path('foo/{slug:bar}/', views.FooBar, 'foo')
But these act...
What is a “symbol” in Julia?
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answered May 5 '14 at 21:30
StefanKarpinskiStefanKarpinski
25.7k88 gold badges6767 silver badges9292 bronze badges
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Sequence-zip function for c++11?
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Warning: boost::zip_iterator and boost::combine as of Boost 1.63.0 (2016 Dec 26) will cause undefined behavior if the length of the input containers are not the same (it may crash or iterate beyond the end).
Starting from Boost 1.56.0 (2014 Aug 7) you could use boost::combine (the funct...
Notification click: activity already open
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301
You need to set the launchMode attribute of the Activity you are starting to singleTop. This w...
What is a sealed trait?
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Adi Inbar
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answered Jun 26 '12 at 8:55
paradigmaticpara...
CALL command vs. START with /WAIT option
...ll remain open
– FrinkTheBrave
Mar 30 '15 at 7:36
5
You can find the comparison between CALL and ...
How to randomly pick an element from an array
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Chris DennettChris Dennett
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Is pass-by-value a reasonable default in C++11?
...tonLuc Danton
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