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R script line numbers at error?
...e options(error) functionality. Here's a simple example:
options(error = quote({dump.frames(to.file=TRUE); q()}))
You can create as elaborate a script as you want on an error condition, so you should just decide what information you need for debugging.
Otherwise, if there are specific areas you...
Quickest way to convert a base 10 number to any base in .NET?
...
Convert.ToString can be used to convert a number to its equivalent string representation in a specified base.
Example:
string binary = Convert.ToString(5, 2); // convert 5 to its binary representation
Console.WriteLine(binary); // prints 101
However, as pointed out...
Evil Mode best practice? [closed]
...ly don't).
One thing I would recommend to any ex vimmer is this
;;; esc quits
(defun minibuffer-keyboard-quit ()
"Abort recursive edit.
In Delete Selection mode, if the mark is active, just deactivate it;
then it takes a second \\[keyboard-quit] to abort the minibuffer."
(interactive)
(if (...
Simple argparse example wanted: 1 argument, 3 results
...s "If arg is A, do this, if B do that, if none of the above show help and quit" .
12 Answers
...
Using mixins vs components for code reuse in Facebook React
...fields.
Source (gist)
define(function () {
'use strict';
var _ = require('underscore');
var ValidationMixin = {
getInitialState: function () {
return {
errors: []
};
},
componentWillMount: function () {
this.assertValidatorsDefined();
},
ass...
Does Java 8 provide a good way to repeat a value or function?
...
Here's another technique I ran across the other day:
Collections.nCopies(8, 1)
.stream()
.forEach(i -> System.out.println(i));
The Collections.nCopies call creates a List containing n copies of whatever value you provi...
What is the difference between Polymer elements and AngularJS directives?
...
You're not the first to ask this question :) Let me clarify a couple of things before getting to your questions.
Polymer's webcomponents.js is a library that contains several polyfills for various W3C APIs that fall under the Web Components umbrella. These...
How does deriving work in Haskell?
...l can automatically become instances of some typeclasse s (like Show , Eq ) by deriving from them.
3 Answers
...
How to get the raw value an field?
...validation rules and rules about what input mechanism to display, but it's quite possible to want to show a numeric keyboard to mobile users without also wanting number validation applied to desktop users. HTML 5.1 will at least solve this problem eventually with the inputmode attribute.
...
REST API Best practice: How to accept list of parameter values as input [closed]
...
A Step Back
First and foremost, REST describes a URI as a universally unique ID. Far too many people get caught up on the structure of URIs and which URIs are more "restful" than others. This argument is as ludicrous as saying naming someone "Bob" is better than naming him "Joe" – both names g...