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Cost of len() function
...ength of the element - very fast) on every type you've mentioned, plus set and others such as array.array.
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Get city name using geolocation
I managed to get the user's latitude and longitude using HTML-based geolocation.
11 Answers
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How to add Active Directory user group as login in SQL Server
...Studio, go to Object Explorer > (your server) > Security > Logins and right-click New Login:
Then in the dialog box that pops up, pick the types of objects you want to see (Groups is disabled by default - check it!) and pick the location where you want to look for your objects (e.g. use ...
Easy way to pull latest of all git submodules
... Just to add, blindly sticking origin master at the end of this command might have unexpected results if some of your submodules are tracking a different branch or location name of that particular submodule. Obvious to some, but probably not to everyone.
– Nathan Hornby
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How to import a single table in to mysql database using command line
I had successfully imported a database using command line, but now my pain area is how to import a single table with its data to the existing database using command line.
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When to use dynamic vs. static libraries
...ing a class library in C++, you can choose between dynamic ( .dll , .so ) and static ( .lib , .a ) libraries. What is the difference between them and when is it appropriate to use which?
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Why did my Git repo enter a detached HEAD state?
...t 2.23 (August 2019), you don't have to use the confusing git checkout command anymore.
git switch can also checkout a branch, and get a detach HEAD, except:
it has an explicit --detach option
To check out commit HEAD~3 for temporary inspection or experiment without creating a new branch:
g...
Python nonlocal statement
What does the Python nonlocal statement do (in Python 3.0 and later)?
9 Answers
9
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How to format a java.sql Timestamp for displaying?
...er that if SimpleDateFormat object is a local-scoped object (it is created and used only inside a method), then it is thread-safe, since stack on which it will reside is inherently "thread-safe" (as it belongs to a single thread).
– quantum
Sep 13 '11 at 9:52
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Passing multiple error classes to ruby's rescue clause in a DRY fashion
...splat operator *.
EXCEPTIONS = [FooException, BarException]
begin
a = rand
if a > 0.5
raise FooException
else
raise BarException
end
rescue *EXCEPTIONS
puts "rescued!"
end
If you are going to use a constant for the array as above (with EXCEPTIONS), note that you cannot defin...