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How to get numbers after decimal point?
...e round(0.5299999999999998 , 2) to get 0.53 Another way is to use Decimal from decimal package. docs.python.org/2/library/decimal.html
– SirJ
May 7 '19 at 11:49
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...
Edited
ES6 solution:
[...new Set(a)];
Alternative:
Array.from(new Set(a));
Old response. O(n^2) (do not use it with large arrays!)
var arrayUnique = function(a) {
return a.reduce(function(p, c) {
if (p.indexOf(c) < 0) p.push(c);
return p;
}, []);
};
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Asp.net MVC ModelState.Clear
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Update:
This is not a bug.
Please stop returning View() from a POST action. Use PRG instead and redirect to a GET if the action is a success.
If you are returning a View() from a POST action, do it for form validation, and do it the way MVC is designed using the built in helpers. ...
How can I inject a property value into a Spring Bean which was configured using annotations?
I have a bunch of Spring beans which are picked up from the classpath via annotations, e.g.
18 Answers
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One DbContext per web request… why?
...hat case the business logic takes ownership of an object it gets passed on from the outside. The second option is to Dispose all created instances on the boundary of the Http Request, but in that case you still need some sort of scoping to let the container know when those instances need to be Dispo...
How do I specify the exit code of a console application in .NET?
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3 options:
You can return it from Main if you declare your Main method to return int.
You can call Environment.Exit(code).
You can set the exit code using properties: Environment.ExitCode = -1;. This will be used if nothing else sets the return code or ...
How to migrate GIT repository from one server to a new one
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Would this only copy a single branch from the old repository to the new one?
– Andrew Grimm
Feb 28 '12 at 23:42
34
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Label encoding across multiple columns in scikit-learn
...For inverse_transform and transform, you have to do a little bit of hack.
from collections import defaultdict
d = defaultdict(LabelEncoder)
With this, you now retain all columns LabelEncoder as dictionary.
# Encoding the variable
fit = df.apply(lambda x: d[x.name].fit_transform(x))
# Inverse th...
Code signing certificate for open-source projects?
...o longer free - the reference to open source code signing has been removed from the test certificates page, and there is now a separate product page en.sklep.unizeto.pl/data-safety/code-signing-certificates/…. At €14 they're much cheaper than other certificates though. The signup process seems t...
What exactly do the Vagrant commands do?
...tion at vagrantup is on the shorter side.
Some information can be gleaned from command help system.
For example: gem command.
Just type the command without arguments: vagrant gem -h and it produces the information that you may need.
vagrant gem is used to install Vagrant plugins via the Ruby...