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How to use JUnit to test asynchronous processes
...cutor {
@Override public void execute(Runnable r) {
r.run();
}
}
Now my JUnit test of the asynchronous method is pretty clean --
@Test public void testDoAsync() {
Executor executor = new SynchronousExecutor();
Foo objectToTest = new Foo(executor);
Callback callback = mock(Callback....
Regex Match all characters between two strings
...
Just one note - regexr says now that lookbehind is not supported in javascript
– Kovo
Apr 14 '14 at 10:53
2
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What is the good python3 equivalent for auto tuple unpacking in lambda?
...s, key=lambda p: (lambda x,y: (x*x + y*y))(*p))
update Python 3.8
As of now, Python 3.8 alpha1 is available, and PEP 572- assignment expressions are implemented.
So, if one uses a trick to execute multiple expressions inside a lambda - I usually do that by creating a tuple and just returning the...
How to save a PNG image server-side, from a base64 data string
...ge" JavaScript tool to convert canvas drawings to PNG images.
What I need now is to turn those base64 strings that this tool generates, into actual PNG files on the server, using PHP.
...
Right HTTP status code to wrong input
... their password). then the status code could be either 400 or 422 ?
Until now, I would have returned a "400 Bad Request", which, according to the w3.org, means:
The request could not be understood by the server due to malformed
syntax. The client SHOULD NOT repeat the request without
modifi...
Fastest way to download a GitHub project
...us placement... When you click that button, you're saying to github, "You know that whole source code management infrastructure that you're wrapped around? The whole multi-user file sharing and versioning universe that you are? Well screw all that, just give me the goodies." I mean, use that button,...
Passing A List Of Objects Into An MVC Controller Method Using jQuery Ajax
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It worked for me. Absolutely the best answer. I don't know why the Halcyon implementation didn't work. The PassThings function was invoked but the 'things' input variable was empty even if it was filled in the javascript just before the call.
– Leonardo Daga...
How do I show the changes which have been staged?
...oring the changes made. If the index is blank like you imply, it wouldn't know how to save the changes in the index, and would have to save the entire file as "newly added" - which is wrong.
– ADTC
Feb 4 '15 at 3:32
...
Unique fields that allow nulls in Django
...ULL just after it comes out of the database, and the rest of Django won't know/care. A quick and dirty example:
from django.db import models
class CharNullField(models.CharField): # subclass the CharField
description = "CharField that stores NULL but returns ''"
__metaclass__ = models.S...
How to simulate a mouse click using JavaScript?
I know about the document.form.button.click() method. However, I'd like to know how to simulate the onclick event.
7 An...