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what is the preferred way to mutate a React state?
...ldn't you be wrapping the function body in parenthesis? As it stands right now in your example, the braces after the fat arrow would start a block, not an object. Something like this: this.setState((state) => ({ list: state.list.push(newObj) }))
– kumarharsh
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Purpose of #!/usr/bin/python3
...e: #!/bin/bash.
Without the shebang line, the operating system does not know it's a python script, even if you set the execution flag on the script and run it like ./script.py. To make the script run by default in python3, either invoke it as python3 script.py or set the shebang line.
You can use...
Selecting with complex criteria from pandas.DataFrame
...)
A B C
1 7 80 700
2 4 90 100
4 7 80 200
5 7 60 800
Now if you want to change the returned values in column A you can save their index:
my_query_index = df.query('B > 50 & C != 900').index
....and use .iloc to change them i.e:
df.iloc[my_query_index, 0] = 5000
prin...
What is the difference between Nexus and Maven?
...e Maven repository format. While it supports many other repository formats now, the
Maven repository format is still the most common and well supported format for build and provisioning
tools running on the JVM and beyond.
This chapter shows example configurations for using the repository manager wi...
What's the point of g++ -Wreorder?
...
Consider:
struct A {
int i;
int j;
A() : j(0), i(j) { }
};
Now i is initialized to some unknown value, not zero.
Alternatively, the initialization of i may have some side effects for which the order is important. E.g.
A(int n) : j(n++), i(n++) { }
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Capistrano error tar: This does not look like a tar archive
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@EricFrancis Actually, I do now) As the voted answer states, hotfix didn't exist on remote (where capistrano deploys from)
– Sergey Dubovik
Nov 17 '15 at 11:42
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Which commit has this blob?
...t is so simple. Just by making the reasonable assumption that the path is known. However, one should know that it returns the commit where the path was changed to the given hash.
– Unapiedra
Jul 21 '17 at 19:16
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Pass parameter to controller from @Html.ActionLink MVC 4
...d = Model.AddNewComment.DisplayCaptcha
},
htmlAttributes: null
)
Now not only that your code is more readable but you will never have confusion between the gazillions of overloads that Microsoft made for those helpers.
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How persistent is localStorage?
...'es and they would be sad if their regex rules are gone at some point.
So now I am wondering just how persistent the localStorage is.
...
Disable hover effects on mobile browsers
...mething harmless like displaying a label, not something the user needs to know happened)
– user56reinstatemonica8
Sep 13 '16 at 17:38
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