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How to reverse-i-search back and forth? [duplicate]
... am actually looking for. Because CTRL + r searches backward in history, from newest to oldest, I have to:
3 Answers
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Convert char to int in C#
... and I don't understand why this is considered superior to subtracting '0' from the char.
– Roman Starkov
Sep 22 '14 at 1:32
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High performance fuzzy string comparison in Python, use Levenshtein or difflib [closed]
...t in a complicated way on how many elements the sequences have in common. (from here)
Levenshtein is O(m*n), where n and m are the length of the two input strings.
Performance
According to the source code of the Levenshtein module :
Levenshtein has a some overlap with difflib (SequenceMatcher). ...
Merge and interleave two arrays in Ruby
...Good solution - but this does change the order of the results. The results from s will be at the end of the new array.
– Hendrik
Sep 2 '15 at 12:15
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Alias with variable in bash [duplicate]
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If you are using the Fish shell (from http://fishshell.com ) instead of bash, they write functions a little differently.
You'll want to add something like this to your ~/.config/fish/config.fish which is the equivalent of your ~/.bashrc
function tail_ls
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django order_by query set, ascending and descending
...would still work, but you only need to add all() when you want all objects from the root QuerySet.
More on this here:
https://docs.djangoproject.com/en/dev/topics/db/queries/#retrieving-specific-objects-with-filters
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C++ wait for user input [duplicate]
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for linux, use pause() from unistd.h. pause command exist only on microsoft platform and few pdp or dos related ones. Some distros have it as alias declared
– Swift - Friday Pie
Feb 2 '17 at 14:31
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Positioning element at center of screen
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If you have a fixed div just absolute position it at 50% from the top and 50% left and negative margin top and left of half the height and width respectively. Adjust to your needs:
div {
position: absolute;
top: 50%;
left: 50%;
width: 500px;
height: 300px;
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Declaring variables inside a switch statement [duplicate]
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Not surprising. It's nice that the error from C# is actually a bit more clear than the gcc error. And actually, I'm not sure I'd classify it as a "problem"... more of an intentionally prohibited syntax. I would guess that most C-based languages act similarly.
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Markdown open a new window link [duplicate]
... one could run the following sed command once the (X)HTML has been created from Markdown:
sed -i 's|href="http|target="_blank" href="http|g' index.html
This can be further automated in a single workflow when a Makefile with build instructions is employed.
PS: This answer was written at a time when ...