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Right HTTP status code to wrong input
...omething wasn't right" response code which you might want to differentiate from a particular case of erroneous input.
– Keego
Feb 11 '17 at 3:01
4
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
...ion name when it is used inside of a function. It was added to C in C99. From C99 §6.4.2.2/1:
The identifier __func__ is implicitly declared by the translator as if, immediately following the opening brace of each function definition, the declaration
static const char __func__[] = "function-name...
WPF global exception handler [duplicate]
...ceptions at different levels:
AppDomain.CurrentDomain.UnhandledException From all threads in the AppDomain.
Dispatcher.UnhandledException From a single specific UI dispatcher thread.
Application.Current.DispatcherUnhandledException From the main UI dispatcher thread in your WPF application.
TaskSc...
Algorithm to calculate the number of divisors of a given number
... of O(N / log(log(N))) at best. Brute-force checking all possible divisors from 1 ... Sqrt(n) has a runtime complexity of O(Sqrt(N)) which is far superior. How come this answer has been accepted?
– le_m
Mar 13 '17 at 15:57
...
What is the python “with” statement designed for?
...lso construct your own context managers using the contextmanager decorator from contextlib. For instance, I often use this when I have to change the current directory temporarily and then return to where I was:
from contextlib import contextmanager
import os
@contextmanager
def working_directory(p...
Cartesian product of x and y array points into single array of 2D points
... I haven't noticed any case where this approach produces different results from those produced by meshgrid + dstack. Could you post an example?
– senderle
Jul 16 '17 at 22:26
...
UIView frame, bounds and center
...d it determines the position of the exact center point of the view.
Taken from UIView + position these are the relationships (they don't work in code since they are informal equations) among the previous properties:
frame.origin = center - (bounds.size / 2.0)
center = frame.origin + (bounds.size ...
Explicitly calling a default method in Java
...oo();
}
public void bah() {
A.super.foo(); //original foo() from A accessed
C.super.foo(); //original foo() from C accessed
}
}
A and C can both have .foo() methods and the specific default implementation can be chosen or you can use one (or both) as part of your new foo(...
Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
......
You should check the logs on the heroku server heroku logs run that from the console and it will tell you the exact error.
When you push to heroku you need to configure the environment.rb file with the heroku subdomain:
config.action_mailer.default_url_options = { :host => 'yourapp.herok...
Send JSON data via POST (ajax) and receive json response from Controller (MVC)
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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