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Why doesn't Dijkstra's algorithm work for negative weight edges?
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Recall that in Dijkstra's algorithm, once a vertex is marked as "closed" (and out of the open set) - the algorithm found the shortest path to it, and will never have to develop this node again - it assumes the path developed to this path is the shortest.
But with negative weights - it might not be...
How do I get the user agent with Flask?
...ary seems to fit the bill of collecting a lot of information out of flask, and has example calls to getting this information out of the application context.
https://pythonhosted.org/Flask-Track-Usage/
Usage gets stored in this format:
[
{
'url': str,
'user_agent': {
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How do I share IntelliJ Run/Debug configurations between projects?
...tions.
The share check-mark pulls the setting out of your workspace.xml and instead puts it in the directory .idea\runConfigurations. This is designed so you can share the setting with others.
You could copy this file and put it in the same location in all your idea projects.
However, in the fu...
Unable to create a constant value of type Only primitive types or enumeration types are supported in
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This cannot work because ppCombined is a collection of objects in memory and you cannot join a set of data in the database with another set of data that is in memory. You can try instead to extract the filtered items personProtocol of the ppCombined collection in memory after you have retrieved th...
How can I pass a list as a command-line argument with argparse?
I am trying to pass a list as an argument to a command line program. Is there an argparse option to pass a list as option?
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T-SQL stored procedure that accepts multiple Id values
Is there a graceful way to handle passing a list of ids as a parameter to a stored procedure?
6 Answers
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How many bytes does one Unicode character take?
...ough it sure does try.
Unicode itself is a mapping, it defines codepoints and a codepoint is a number, associated with usually a character. I say usually because there are concepts like combining characters. You may be familiar with things like accents, or umlauts. Those can be used with another ch...
Small Haskell program compiled with GHC into huge binary
...ripped
$ ldd A
linux-vdso.so.1 => (0x00007fff1b9ff000)
libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0x00007fb21f418000)
libX11.so.6 => /usr/lib/libX11.so.6 (0x00007fb21f0d9000)
libGLU.so.1 => /usr/lib/libGLU.so.1 (0x00007fb21ee6d000)
libGL.so.1 => /usr/lib/libGL....
How to bring back “Browser mode” in IE11?
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[UPDATE]
The original question, and the answer below applied specifically to the IE11 preview releases.
The final release version of IE11 does in fact provide the ability to switch browser modes from the Emulation tab in the dev tools:
Having said that,...
Using :before CSS pseudo element to add image to modal
...class Modal which is absolutely positioned, z-indexed above it's parent, and nicely positioned with JQuery. I want to add a caret image (^) to the top of the modal box and was looking at using the :before CSS pseudo selector to do this cleanly.
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