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How to force LINQ Sum() to return 0 while source collection is empty
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I got error when I try without ToList(), since it returns nothing. But the ToList() will make the empty list and it is not giving any error when I do ToList().Sum().
– Mona
Aug 4 '16 at 10:38
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How to solve privileges issues when restore PostgreSQL Database
... aws documentation you cannot be one. I have found I have to ignore these errors.
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std::enable_if to conditionally compile a member function
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This doesn't compile on VS2012. error C4519: default template arguments are only allowed on a class template.
– PythonNut
Jun 7 '14 at 13:09
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Rolling or sliding window iterator?
...f window(seq, n=2):
it = iter(seq)
win = deque((next(it, None) for _ in xrange(n)), maxlen=n)
yield win
append = win.append
for e in it:
append(e)
yield win
In my tests it handily beats everything else posted here most of the time, though pillmuncher's tee versi...
pydot and graphviz error: Couldn't import dot_parser, loading of dot files will not be possible
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In Ubuntu 12.04 I get this error, when installing byparsing: "Requested pyparsing==1.5.7, but installing version 2.0.1". Then the error above occurs still So the solution was to specify the download location of the python egg: sudo pip install ...
What is the most efficient string concatenation method in python?
...iven the test case from mkoistinen's answer, having strings
domain = 'some_really_long_example.com'
lang = 'en'
path = 'some/really/long/path/'
The contenders are
f'http://{domain}/{lang}/{path}' - 0.151 µs
'http://%s/%s/%s' % (domain, lang, path) - 0.321 µs
'http://' + domain + '/' + lang ...
How to force cp to overwrite without confirmation
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codelingcodeling
9,05344 gold badges3333 silver badges6060 bronze badges
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How do I send a POST request with PHP?
...le_get_contents($url, false, $context);
if ($result === FALSE) { /* Handle error */ }
var_dump($result);
See the PHP manual for more information on the method and how to add headers, for example:
stream_context_create: http://php.net/manual/en/function.stream-context-create.php
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How to remove .html from URL?
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answered Sep 16 '15 at 18:05
binaryfuntbinaryfunt
4,18422 gold badges2222 silver badges4242 bronze badges
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How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]
... will show 64-bit dependencies for a 32-bit module (with a red icon and an error: Modules with different CPU types were found).
– Maxence
Dec 18 '15 at 10:31
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