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Skip List vs. Binary Search Tree
I recently came across the data structure known as a skip list . It seems to have very similar behavior to a binary search tree.
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Getting the exception value in Python
...ever see the actual exception but just a UnicodeDecodeError. If you don't know the exception's encoding (and most of the time you don't), you should either work on repr(e) or if you really need to, use another try-except block in your exception handling which catches UnicodeDecodeErrors and falls ba...
Extract a regular expression match
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One way would be this:
test <- regexpr("[0-9]+","aaa12456xxx")
Now, notice regexpr gives you the starting and ending indices of the string:
> test
[1] 4
attr(,"match.length")
[1] 5
So you can use that info with substr function
substr("aaa12456xxx",test,test+attr(test,"match.le...
Performance of Find() vs. FirstOrDefault() [duplicate]
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It's now 100% obvious what is the only difference between them, I was hoping to see something else, like more tricky to identify. It's always interesting to see what's going on under the hood of .net framework. thanks!
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What is a coroutine?
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And: Cooperative multitasking, also known as non-preemptive multitasking, is a style of computer multitasking in which the operating system never initiates a context switch from a running process to another process. Instead, processes voluntarily yield control p...
Is C++ context-free or context-sensitive?
...ble undertaking. Even writing a C++ program is difficult, and as far as I know none have been proven correct. This is why the standard does not attempt to provide a complete formal grammar, and why it chooses to write some of the parsing rules in technical English.
What looks like a formal grammar ...
What are the basic rules and idioms for operator overloading?
...erator
The function call operator, used to create function objects, also known as functors, must be defined as a member function, so it always has the implicit this argument of member functions. Other than this, it can be overloaded to take any number of additional arguments, including zero.
Here'...
How is AngularJS different from jQuery
I only know one js library and that is jQuery .
But my other coders in the group are changing AngularJS as their default library in new project.
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Chrome Development Tool: [VM] file from javascript
... in the stacktrace more than once, and you can't cache them, as you don't know which file is which in future stacktraces. This is fixed in Dev Tools, but not in webapps.
– Carl Smith
Jun 19 '14 at 13:45
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How to add texture to fill colors in ggplot2
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Now I just need to find out how to alter their transparency in R.. haha
– Nova
Jul 11 '19 at 18:07
a...