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Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
... understand, this question relates to how to expose a loosely coupled API with some appropriate defaults. In this case, you may have a good Local Default, in which case the dependency can be regarded as optional. One way to deal with optional dependencies is to use Property Injection instead of Cons...
Exposing a port on a live Docker container
...ruction inside a Dockerfile to expose a port, and I can use the -p flag with docker run to assign ports, but once a container is actually running, is there a command to open/map additional ports live?
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Jade: Links inside a paragraph
I'm trying to author a few paragraphs with Jade, but finding it difficult when there are links inside a paragraph.
13 Answ...
How do I know if a generator is empty from the start?
Is there a simple way of testing if the generator has no items, like peek , hasNext , isEmpty , something along those lines?
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How to get the difference between two arrays in JavaScript?
...c"));
A better solution, if you don't care about backward compatibility, is using filter. But still, this solution works.
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setImmediate vs. nextTick
...introduced setImmediate . The API changes documentation suggests using it when doing recursive nextTick calls.
7 Answ...
How to search and replace text in a file?
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fileinput already supports inplace editing. It redirects stdout to the file in this case:
#!/usr/bin/env python3
import fileinput
with fileinput.FileInput(filename, inplace=True, backup='.bak') as file:
for line in file:
print(line.replace(text_to_...
Twitter bootstrap modal-backdrop doesn't disappear
I am using the Twitter bootstrap Modal dialog. When I click on the submit button of the bootstrap modal dialog, it sends an AJAX request. My problem is that the modal-backdrop doesn't disappear. The Modal dialog does disappear correctly, but instead "modal-backdrop in" that creates the opacity on th...
JavaScript null check
...iable:
var a;
alert(b); // ReferenceError: b is not defined
A variable with the value undefined:
var a;
alert(a); // Alerts “undefined”
When a function takes an argument, that argument is always declared even if its value is undefined, and so there won’t be any error. You are right about...
Pass Array Parameter in SqlCommand
I am trying to pass array parameter to SQL commnd in C# like below, but it does not work. Does anyone meet it before?
12 A...