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Getting Python error “from: can't read /var/mail/Bio”

... I ran into a similar error "from: can't read /var/mail/django.test.utils" when trying to run a command >>> from django.test.utils import setup_test_environment >>> setup_test_environment() in the tutorial at https://docs.djangoproject.com/en/1.8/intro/tutorial05/ ...
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What is the pythonic way to detect the last element in a 'for' loop?

... yield 0, prev prev = item # Last item yield 1, prev def test(data): result = list(last_iter(data)) if not result: return if len(result) > 1: assert set(x[0] for x in result[:-1]) == set([0]), result assert result[-1][0] == 1 test([]) test([1]) t...
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Stack vs heap allocation of structs in Go, and how they relate to garbage collection

... return s 26 } According to output of cmd: go run -gcflags -m test.go output: # command-line-arguments ./test.go:13:6: can inline F1 ./test.go:18:6: can inline F2 ./test.go:23:6: can inline F3 ./test.go:7:6: can inline main ./test.go:8:4: inlining call to F1 ./test.go:9:4: inlining c...
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Splitting string into multiple rows in Oracle

...y (also with regexp and connect by): with temp as ( select 108 Name, 'test' Project, 'Err1, Err2, Err3' Error from dual union all select 109, 'test2', 'Err1' from dual ) select distinct t.name, t.project, trim(regexp_substr(t.error, '[^,]+', 1, levels.column_value)) as error from ...
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What's the “average” requests per second for a production web application?

... interesting, I was just load testing streaming on webpieces on records per second vs. requests per second. I think requests/second is in that same ballpark(100 to 200) but with streaming it shoots up to 1140 records / second (doing ndjson). Anyways tho...
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How to suppress Update Links warning?

...4 virtual machine powered by VMWare (this is usual routine for my everyday testing tasks, so I have many of them deployed). Then, I changed only the following Excel options (i.e. all the other are left as is after installation): Advanced > General > Ask to update automatic links checked: ...
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How to redirect a url in NGINX

I need to redirect every http://test.com request to http://www.test.com . How can this be done. 4 Answers ...
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AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?

...ssion, it should be avoided (as logically it's less correct & it makes testing harder). – 0xc0de Mar 13 '13 at 5:24 ...
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if A vs if A is not None:

...summary: object.__nonzero__(self) Called to implement truth value testing and the built-in operation bool(); should return False or True, or their integer equivalents 0 or 1. When this method is not defined, __len__() is called, if it is defined, and the object is considered true if its res...
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CSS checkbox input styling

... After hours of searching and testing this is the only thing that worked for me. Thanks! – Mark May 14 at 17:52 1 ...