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Node JS Error: ENOENT
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"/tmp/test.jpg" is not the correct path – this path starts with / which is the root directory.
In unix, the shortcut to the current directory is .
Try this "./tmp/test.jpg"
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How can I get the client's IP address in ASP.NET MVC?
... here was very helpful, but I cleaned it up for my purposes and added some tests. Here's what I ended up with:
using System;
using System.Linq;
using System.Net;
using System.Web;
public class RequestHelpers
{
public static string GetClientIpAddress(HttpRequestBase request)
{
try
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How can I display an image from a file in Jupyter Notebook?
...u can do the following:
from IPython.display import Image
Image(filename='test.png')
(official docs)
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Depend on a branch or tag using a git URL in a package.json?
...s.com/cli/publish and then check the repo you are installing for the build scripts. Maybe they are tagged or the post-install does not work for you, it's an issue for that specific package anyway hope this helps !
– vortex
Sep 29 '17 at 17:50
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What's the best way to set a single pixel in an HTML5 canvas?
...ba("+r+","+g+","+b+","+(a/255)+")";
ctx.fillRect( x, y, 1, 1 );
You can test the speed of these here: http://jsperf.com/setting-canvas-pixel/9 or here https://www.measurethat.net/Benchmarks/Show/1664/1
I recommend testing against browsers you care about for maximum speed. As of July 2017, fillR...
What would be C++ limitations compared C language? [closed]
... @BlueRaja Imagine if Guido had decided not to add objects to his scripting language, and two groups had created mutually incompatible forks of Python to add objects, one with an object model based on Smalltalk, the other with a class system based on Simula. Then Guido continued to improve ...
Mocking Extension Methods with Moq
...Here is the description of the tool:
Moles is a lightweight framework for test stubs and detours in .NET that is based on delegates.
Moles may be used to detour any .NET method, including non-virtual/static methods in sealed types.
You can use Moles with any testing framework (it's independent abo...
#if DEBUG vs. Conditional(“DEBUG”)
... you should pretty much never use either. If you really need something for testing and debugging, figure out a way to make that testability seperate from the actual production code.
Abstract the scenarios with mocking in unit tests, make one off versions of things for one off scenarios you want to ...
WebSockets vs. Server-Sent events/EventSource
...yfilled into older browsers that do not support it natively using just JavaScript. Some implementations of SSE polyfills can be found on the Modernizr github page.
Gotchas:
SSE suffers from a limitation to the maximum number of open connections, which can be specially painful when opening various...
Best way to strip punctuation from a string
...ans("","")
regex = re.compile('[%s]' % re.escape(string.punctuation))
def test_set(s):
return ''.join(ch for ch in s if ch not in exclude)
def test_re(s): # From Vinko's solution, with fix.
return regex.sub('', s)
def test_trans(s):
return s.translate(table, string.punctuation)
def ...