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How to fix SSL certificate error when running Npm on Windows?
When I try to install a package with npm, it doesn't work. After a long wait, I eventually get an error 'tunneling socket could not be established, sutatusCode=403'.
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Postgres: Distinct but only for one column
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To do a distinct on only one (or n) column(s):
select distinct on (name)
name, col1, col2
from names
This will return any of the rows containing the name. If you want to control which of the rows will be returned you need t...
ActiveRecord OR query
How do you do an OR query in Rails 3 ActiveRecord. All the examples I find just have AND queries.
14 Answers
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How to request Google to re-crawl my website? [closed]
Does someone know a way to request Google to re-crawl a website? If possible, this shouldn't last months. My site is showing an old title in Google's search results. How can I show it with the correct title and description?
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INSTALL_FAILED_UPDATE_INCOMPATIBLE when I try to install compiled .apk on device
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what if I just try to do an update of an existing app? this would remove everything my last app saved locally
– miracle-doh
Nov 16 '18 at 9:04
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Lock, mutex, semaphore… what's the difference?
...ock but it can be system wide (shared by multiple processes).
A semaphore does the same as a mutex but allows x number of threads to enter, this can be used for example to limit the number of cpu, io or ram intensive tasks running at the same time.
For a more detailed post about the differences be...
Inserting code in this LaTeX document with indentation
How do I insert code into a LaTeX document? Is there something like:
9 Answers
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How to get request URI without context path?
...e servlet is however mapped on a suffix pattern (your URL examples however does not indicate that this is the case), or when you're actually inside a filter (when the to-be-invoked servlet is not necessarily determined yet, so getPathInfo() could return null), then your best bet is to substring the ...
Comparing two files in linux terminal
...;(...) syntax to sort the files on the fly, if they are already sorted you don't need this.
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Find unmerged Git branches?
...e which branches have not yet been merged? I would like to avoid having to do an "octopus" merge and re-merging branches that have already been merged.
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