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How to check internet access on Android? InetAddress never times out
... run the ping command through the command line utility, I get a permission error. The command is also not working on emulators. Be careful using this solution.
– Eren Yilmaz
Jun 30 '15 at 14:40
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What is the PostgreSQL equivalent for ISNULL()
... search-and-replace isnull with coalesce, you can potentially get a lot of errors...
– Stefan Steiger
Feb 20 '19 at 16:02
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show 2 more comm...
How does functools partial do what it does?
..."<pyshell#80>", line 1, in <module>
pfnx(4, 5)
TypeError: fnx() got multiple values for keyword argument 'a'
another use case: writing distributed code using python's multiprocessing library. A pool of processes is created using the Pool method:
>>> import multipr...
Regex: Specify “space or start of string” and “space or end of string”
...n, replace (?<=\s|^) with (?:(?<=\s)|(?<=^)). Otherwise, you get error: look-behind requires fixed-width pattern
– user2426679
Aug 31 '16 at 20:06
5
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...rite case string.Empty: because it's not a constant. You get a Compilation error : A constant value is expected
Look at this link for more info:
string-empty-versus-empty-quotes
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Strange \n in base64 encoded string in Ruby
...k me literally 1 hour to figure out what's wrong and then searched for the error. This comment is helping understand legacy issues even after 6 years.
– burglarhobbit
Oct 14 '16 at 14:42
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What is the difference between Scrum and Agile Development? [closed]
...e project and starting from the beginning. There’s no room for change or error, so a project outcome and an extensive plan must be set in the beginning and then followed careful
ACP Agile Certification came about as a “solution” to the disadvantages of the waterfall methodology. Instead of a ...
Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
...nature: List<Person> findByIdIn(List<Integer> ids); I get the error: Caused by: java.lang.NumberFormatException: For input string: "(1, 2)"
– user64141
Feb 14 '16 at 17:04
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Download file from web in Python 3
...eout)
if response.status_code != 200:
raise requests.ConnectionError(f'{response.status_code}')
instance_io = StringIO if isinstance(next(response.iter_content(chunk_size=1)), str) else BytesIO
io_obj = instance_io()
cur_size = 0
for chunk in response.iter_content(chunk_...
Calling class staticmethod within the class body?
...on requires arguments, you'll have to pass them when calling __func__. The error message you quite sounds like you have not given it any arguments. If the stat_func in this post's example took two arguments, you would use _ANS = stat_func.__func__(arg1, arg2)
– Ben
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