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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
I get some error that I can't figure out. Any clue what is wrong with my sample code?
4 Answers
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Easiest way to flip a boolean value?
...;first().lights[PATTERN1_LIGHT + i].value ^= 1 is much more readable, less error prone, and fewer characters than the original code.
– Vortico
Oct 31 '17 at 10:40
3
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How to redirect 404 errors to a page in ExpressJS?
...uite helpful:
https://github.com/visionmedia/express/blob/master/examples/error-pages/index.js
So it is actually this part:
// "app.router" positions our routes
// above the middleware defined below,
// this means that Express will attempt
// to match & call routes _before_ continuing
// on, ...
How to read from standard input in the console?
... fmt.Println(scanner.Text())
}
if scanner.Err() != nil {
// handle error.
}
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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
Every time I have to iterate over a collection I end up checking for null, just before the iteration of the for-each loop starts. Like this:
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What's the function like sum() but for multiplication? product()?
Python's sum() function returns the sum of numbers in an iterable.
8 Answers
8
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Have a reloadData for a UITableView animate when changing
...n calculations, but I had only one section and your code had an off-by-one error. I had to change the first line of your code to NSRange range = NSMakeRange(0, myTableView.numberOfSections);
– Danyal Aytekin
Jul 13 '12 at 12:41
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What's the difference between %s and %d in Python string formatting?
...he text string stored in the descrip variable. The round braces prevent an error message in Python 3.
– noobninja
Aug 27 '16 at 20:51
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Using mixins vs components for code reuse in Facebook React
...n your validator functions on some of your state's properties and store “error'd” properties in a state.errors array so you can highlight corresponding fields.
Source (gist)
define(function () {
'use strict';
var _ = require('underscore');
var ValidationMixin = {
getInitialState: ...
Cannot import the keyfile 'blah.pfx' - error 'The keyfile may be password protected'
...e signing certificate. Since the upgrade we continuously get the following error:
24 Answers
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