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Delete all but the most recent X files in bash
...filesystem items sorted by how recently they were modified , in descending order (most recently modified items first) (-t), with directories printed with a trailing / to mark them as such (-p).
grep -v '/$' then weeds out directories from the resulting listing, by omitting (-v) lines that have a tra...
Permanently Set Postgresql Schema Path
... a schema name is not simple, it needs to be wrapped in double quotes.
The order in which you set default schemas a, b, c matters, as it is also the order in which the schemas will be looked up for tables. So if you have the same table name in more than one schema among the defaults, there will be n...
Finding median of list in Python
... be of any size and the numbers are not guaranteed to be in any particular order.
24 Answers
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Git: How to rebase to a specific commit?
...you don't need this. Note that you must have specified <Upstream> in order to specify <Branch> or git will think you are specifying <Upstream>.
<Target> is the commit we will attach our string of commits to. When providing a branch name, you are simply specifying the head co...
How to use executables from a package installed locally in node_modules?
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oh gosh! do I really have to do something like that in order to have my local modules working? it's quite impracticable to explain it to a team! there's nothing a little bit more straightforward?
– Alexian
Apr 24 '15 at 17:12
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How to check if all of the following items are in a list?
...'s not really that confusing if you recall the inclusion defines a partial order on any set of sets. It's actually slightly confusing that <= has the meaning it does for sequences: one might expect it to mean 'is a subsequence` of rather than lexicographical ordering.
– aaro...
Upgrade python packages from requirements.txt using pip command
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I suggest freezing all of your dependencies in order to have predictable builds.
When doing that, you can update all dependencies at once like this:
sed -i '' 's/==/>=/g' requirements.txt
pip install -U -r requirements.txt
pip freeze > requirements.txt
Having do...
What's the purpose of the LEA instruction?
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@FrankH.: out-of-order CPUs typically run LEA on ALUs, while some in-order CPUs (like Atom) sometimes run it on an AGUs (because they can't be busy handling a memory access).
– Peter Cordes
Dec 3 '15 at ...
Can you create nested WITH clauses for Common Table Expressions?
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These answers are pretty good, but as far as getting the items to order properly, you'd be better off looking at this article
http://dataeducation.com/dr-output-or-how-i-learned-to-stop-worrying-and-love-the-merge
Here's an example of his query.
WITH paths AS (
SELECT
Employ...
Removing duplicate objects with Underscore for Javascript
... array of strings. Also, if you add b values to the uniques and invert the order of a/b they are no longer considered unique by your function. (e.g. `"{\"a\":\"1\",\"b\":2}" != "{\"b\":2,\"a\":\"1\"}") Maybe im missing something, but shouldn't the result at least be useful? Here is a jsbin to illust...