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regex to match a single character that is anything but a space
...nything but white-space (line breaks, tabs, spaces, hard spaces):
[^\s]
or
\S
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How to destroy an object?
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You're looking for unset().
But take into account that you can't explicitly destroy an object.
It will stay there, however if you unset the object and your script pushes PHP to the memory limits the objects not needed will be garbage colle...
Getting the last element of a split string array
I need to get the last element of a split array with multiple separators. The separators are commas and space. If there are no separators it should return the original string.
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How to manually install an artifact in Maven 2?
I've encountered some errors when I tried to install an artifact manually with Maven 2. I wanted to install a jar from a local directory with the command
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How to build a framework or library for other developers, the secure way? [closed]
We have an idea for an framework or library that will be very helpful for any iOS developer. So we're seriously thinking about switching from app development to framework/library development.
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How do I raise a Response Forbidden in django
...urn it from the view as you would any other response.
from django.http import HttpResponseForbidden
return HttpResponseForbidden()
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Algorithm to compare two images
Given two different image files (in whatever format I choose), I need to write a program to predict the chance if one being the illegal copy of another. The author of the copy may do stuff like rotating, making negative, or adding trivial details (as well as changing the dimension of the image).
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gitignore without binary files
How can binary files be ignored in git using the .gitignore file?
18 Answers
18
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What is a segmentation fault?
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Segmentation fault is a specific kind of error caused by accessing memory that “does not belong to you.” It’s a helper mechanism that keeps you from corrupting the memory and introducing hard-to-debug memory bugs. Whenever you get a segfault you know you are doin...
Convert a List into an ObservableCollection
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ObservableCollection < T > has a constructor overload
which takes IEnumerable < T >
Example for a List of int:
ObservableCollection<int> myCollection = new ObservableCollection<int>(myList);
One more example for a List of ObjectA:
ObservableC...