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How do I resolve “Cannot find module” error using Node.js?
...e depends on. A few days ago, somebody unpublished all of their packages (https://kodfabrik.com/journal/i-ve-just-liberated-my-modules) which broke React, Babel, and just about everything else. Hopefully it's clear now that if you have production code, you can't rely on NPM actually maintaining yo...
xpath find if node exists
... element and look to see if the result is nil.
require 'nokogiri'
url = "http://somthing.com/resource"
resp = Nokogiri::XML(open(url))
first_name = resp.xpath("/movies/actors/actor[1]/first-name")
puts "first-name not found" if first_name.nil?
...
JavaScript math, round to two decimal places [duplicate]
...und up or down for you depending on the values beyond 2 decimals.
Example: http://jsfiddle.net/calder12/tv9HY/
Documentation: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed
Edit - As mentioned by others this converts the result to a string. To avoid t...
How to express infinity in Ruby?
...
http://www.ruby-doc.org/stdlib-1.9.3/libdoc/bigdecimal/rdoc/BigDecimal.html#label-Infinity
1.9.3p429 :025 > BigDecimal('Infinity')
=> #<BigDecimal:7f8a6c548140,'Infinity',9(9)>
1.9.3p429 :026 > BigDecimal('-I...
Redirect from asp.net web api post action
...
Sure:
public HttpResponseMessage Post()
{
// ... do the job
// now redirect
var response = Request.CreateResponse(HttpStatusCode.Moved);
response.Headers.Location = new Uri("http://www.abcmvc.com");
return response;
}...
Precise Financial Calculation in JavaScript. What Are the Gotchas?
...$, $ } = require('moneysafe');
console.log(in$($(10.5) + $(.3)); // 10.8
https://github.com/ericelliott/moneysafe
Works both in Node.js and the browser.
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Maven: best way of linking custom external JAR to my project?
...upId/artifactId/version/artifactId-verion.jar
detail read this blog post
https://web.archive.org/web/20121026021311/charlie.cu.cc/2012/06/how-add-external-libraries-maven
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How do I configure Notepad++ to use spaces instead of tabs?
...the Replace with space check box. Set the size to 4.
See documentation: http://docs.notepad-plus-plus.org/index.php/Built-in_Languages#Tab_settings
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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
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From http://www.sitepoint.com/javascript-truthy-falsy/
The following values are always falsy:
false
0 (zero)
"" (empty string)
null
undefined
NaN (a special Number value meaning Not-a-Number!)
All other values are truthy, inc...
Redirect using AngularJS
... Any idea how to get this to work in of the .success method inside of an $http request? @Tomarto
– Nicholas Kreidberg
Oct 19 '13 at 23:24
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