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Python JSON serialize a Decimal object
...ation is when you are using both marshmallow and graphene. When a query is called on a rest api, marshmallow works expectedly for decimal fields. However when it is called with graphql it raised an is not JSON serializable error.
– Roel
Apr 2 '19 at 9:45
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How to calculate a logistic sigmoid function in Python?
...f sigmoid(x):
return 1 / (1 + math.exp(-x))
And now you can test it by calling:
>>> sigmoid(0.458)
0.61253961344091512
Update: Note that the above was mainly intended as a straight one-to-one translation of the given expression into Python code. It is not tested or known to be a nume...
Pythonic way to combine FOR loop and IF statement
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@ChewyChunks. That would work but the call to enumerate is redundant.
– Johnsyweb
Aug 8 '11 at 20:40
141
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Why does C# allow {} code blocks without a preceding statement?
...is going to work the same way anywhere in program flow.1
Instead, you typically use them to restrict the scope of some local variables. This is further elaborated here and here. Look at João Angelo’s answer and Chris Wallis’s answer for brief examples. I believe the same applies to some other ...
Returning an array using C
... declaring scope, i.e., when the function returns.
You will need to dynamically allocate the memory inside of the function or fill a preallocated buffer provided by the caller.
Option 1:
dynamically allocate the memory inside of the function (caller responsible for deallocating ret)
char *foo(i...
Using sections in Editor/Display templates
...erResult works. Is it not possible to do 2 script blocks in 1 Html.Script call?
– Langdon
Jun 3 '11 at 21:01
2
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What is in your Mathematica tool bag? [closed]
...sons that will become apparent later. Next, we want to create a new style called Shell:
Open a new notebook.
Select the menu item Format/Edit Stylesheet...
In the dialog, beside Enter a style name: type Shell.
Select the cell bracket beside the new style.
Select the menu item Cell/Show Expression...
How to convert / cast long to String?
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@membersound they're the same. Basically String.valueOf(long) calls Long.toString()
– Nero
Mar 9 '18 at 20:36
3
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When should I use “this” in a class?
...nce as an argument to a method of another object. The third is as a way to call alternate constructors from within a constructor.
Case 1: Using this to disambiguate variable references. In Java setter methods, we commonly pass in an argument with the same name as the private member variable we are ...
Alternative timestamping services for Authenticode
...le and signtool.exe. %2 is the full path to the file being signed. You can call this in your visual studio post build event with something like call "$(SolutionDir)thirdparty\signing\sign.bat" "$(SolutionDir)thirdparty\signing" "$(TargetPath)"
I have modified this batch file to use different timesta...