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How to get a variable name as a string in PHP?
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Actually now that I've tested my code, my code always returned 'var' because it's being used in the function. When I use $GLOBALS instead, it returns the correct variable name for some reason. So I'll change the above code to use $GLO...
Why aren't python nested functions called closures?
...e will be no content inside the closure. Thats exactly what we see above.
Now I will explain another different snippet to clear out everything Free Variable with Closure:
>>> def outer(x):
... def intermediate(y):
... free = 'free'
... def inner(z):
... ret...
Web-scraping JavaScript page with Python
... discontinued and is no longer under active development in light of Chrome now supporting headless. Use of headless chrome/firefox is suggested.
– sytech
Mar 23 '18 at 20:42
3
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Why do some C# lambda expressions compile to static methods?
...ple, in the Microsoft compiler, this implementation is not required (as acknowledged by sec. M.5.3 in the C# 5.0 specification). Therefore, it is undefined whether the anonymous function is static or not. Moreover, section K.6 leaves much open as to the details of expression trees.
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What is your naming convention for stored procedures? [closed]
...ample, usp_AddProduct or usp_GetProductList, usp_GetProductDetail. However now the database is at 700 procedures plus, it becomes a lot harder to find all procedures on a specific object. For example i now have to search 50 odd Add procedures for the Product add, and 50 odd for the Get etc.
Because...
Format a datetime into a string with milliseconds
...hind seconds), use this:
from datetime import datetime
print datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
>>>> OUTPUT >>>>
2020-05-04 10:18:32.926
Note: For Python3, print requires parentheses:
print(datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3])
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class method generates “TypeError: … got multiple values for keyword argument …”
... staticmethod stops the method receiving self as a first argument. So now, if you call myfoo.foodo(thing="something"), thing="something" will be assigned to the first argument, rather than the implicit self argument.
– danio
Nov 11 '16 at 16:10
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Using generic std::function objects with member functions in one class
...ethingArgs(a, b);
}
(I don't have a C++11 capable compiler at hand right now, so I can't check this one.)
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Android: upgrading DB version and adding new table
I've already created sqlite tables for my app, but now I want to add a new table to the database.
5 Answers
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Entity Framework rollback and remove bad migration
...se, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a new (fixed) migration and run Update-Database, even the bad migration is applied.
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