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How to serve an image using nodejs
...s over 5 years old but every answer has some problems.
TL;DR
Scroll down for examples to serve an image with:
express.static
express
connect
http
net
All of the examples are also on GitHub: https://github.com/rsp/node-static-http-servers
Test results are available on Travis: https://travis-ci...
How do I raise the same Exception with a custom message in Python?
...
Update: For Python 3, check Ben's answer
To attach a message to the current exception and re-raise it:
(the outer try/except is just to show the effect)
For python 2.x where x>=6:
try:
try:
raise ValueError # somet...
Accessing nested JavaScript objects and arays by string path
.../^\./, ''); // strip a leading dot
var a = s.split('.');
for (var i = 0, n = a.length; i < n; ++i) {
var k = a[i];
if (k in o) {
o = o[k];
} else {
return;
}
}
return o;
}
Usage::
Object.byString(someObj, 'part3[...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
I was going through the release notes for Xcode 4.4 and noticed this:
3 Answers
3
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Proper way to declare custom exceptions in modern Python?
...goal is to follow whatever standard other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception.
...
How do I unit test web api action method when it returns IHttpActionResult?
...
Here Ok() is just a helper for the type OkResult which sets the response status to be HttpStatusCode.Ok...so you can just check if the instance of your action result is an OkResult...some examples(written in XUnit):
// if your action returns: NotFound...
Entity Framework rollback and remove bad migration
I'm using EF 6.0 for my project in C# with manual migrations and updates. I have about 5 migrations on the database, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a new (fixed) migration and run Update-Database,...
C++ compiling on Windows and Linux: ifdef switch [duplicate]
...ux and Windows. There are some pieces of code that I want to include only for one operating system and not the other. Is there a standard #ifdef that once can use?
...
Shards and replicas in Elasticsearch
...ith a single node, the one that you just started up. We have no data, therefore we need to create an index.
When you create an index (an index is automatically created when you index the first document as well) you can define how many shards it will be composed of. If you don't specify a number it ...
Java abstract interface
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Why is it necessary for an interface to be "declared" abstract?
It's not.
public abstract interface Interface {
\___.__/
|
'----> Neither this...
public void interfacing();
public abstract boolean inte...