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Error handling principles for Node.js + Express.js applications?
... throw new Error('some error');
})
This example was shamelessly stolen from here.
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Why is #!/usr/bin/env bash superior to #!/bin/bash?
.../env bash
is definitely better because it finds the bash executable path from your system environment variable.
Go to your Linux shell and type
env
It will print all your environment variables.
Go to your shell script and type
echo $BASH
It will print your bash path (according to the env...
What does “./bin/www” do in Express 4.x?
...have been removed so that they can be maintained and updated independently from the core Express (except the static middleware), thus they need to be called separately (what you see in app.js).
The bin/ directory serves as a location where you can define your various startup scripts. The www is an ...
How to get ELMAH to work with ASP.NET MVC [HandleError] attribute?
....HttpContext.ApplicationInstance.Context;
var signal = ErrorSignal.FromContext(httpContext);
signal.Raise(context.Exception, httpContext);
}
}
The base implementation is invoked first, giving it a chance to mark the exception as being handled. Only then is the exception signale...
How do you specify the date format used when JAXB marshals xsd:dateTime?
...annotation at the getter and not at the member level. (Thanks to @megathor from stackoverflow.com/questions/6768544/…)
– gordon613
Jun 30 '15 at 15:47
...
Adding a regression line on a ggplot
...iction curve for any model that supports predict, such as non-linear npreg from package np.
Note: If you use scale_x_continuous or scale_y_continuous some values may be cutoff and thus geom_smooth may not work correctly. Use coord_cartesian to zoom instead.
...
What is the difference between children and childNodes in JavaScript?
... nodeType:
yourElement.nodeType
This will give you an integer: (taken from here)
| Value | Constant | Description | |
|-------|----------------------------------|---------------------------------------------------------...
Serializing a list to JSON
...
building on an answer from another posting.. I've come up with a more generic way to build out a list, utilizing dynamic retrieval with Json.NET version 12.x
using Newtonsoft.Json;
static class JsonObj
{
/// <summary>
/// Deseriali...
difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
...tion context or even activity context (both) because a toast can be raised from anywhere with in your application and is not attached to a window.
Activity context is attached to the Activity's life-cycle and can be destroyed if the activity's onDestroy() is raised. If you want to launch a new acti...
nil detection in Go
...
if reflect.ValueOf(v).IsZero() {
// v is zero, do something
}
Apart from basic types, it also works for Array, Chan, Func, Interface, Map, Ptr, Slice, UnsafePointer, and Struct. See this for reference.
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