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How to remove old Docker containers
...r prune:
docker container prune
This will remove all stopped containers and should work on all platforms the same way.
There is also a Docker system prune:
docker system prune
which will clean up all unused containers, networks, images (both dangling and unreferenced), and optionally, volumes...
Best way to store password in database [closed]
I am working on a project that has to have authentication (username and password)
8 Answers
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Does a `+` in a URL scheme/host/path represent a space?
... edited Dec 19 '16 at 16:08
Andrew Tobilko
42.5k1111 gold badges6666 silver badges119119 bronze badges
answered Jun 17 '09 at 9:43
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Why the switch statement cannot be applied on strings?
Compiling the following code and got the error of type illegal .
20 Answers
20
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Returning multiple values from a C++ function
...a C++ function? For example, imagine a function that divides two integers and returns both the quotient and the remainder. One way I commonly see is to use reference parameters:
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How to create a density plot in matplotlib?
...hat you generated with R. This is because gaussian_kde tries to infer the bandwidth automatically. You can play with the bandwidth in a way by changing the function covariance_factor of the gaussian_kde class. First, here is what you get without changing that function:
However, if I use the follo...
How does having a dynamic variable affect performance?
...hat just has the metadata analyzer, the semantic analyzer for expressions, and an emitter that emits Expression Trees instead of IL.
The metadata analyzer uses Reflection to determine the type of the object in d1, and then passes that to the semantic analyzer to ask what happens when such an objec...
recursion versus iteration
...rrect to say that everywhere recursion is used a for loop could be used? And if recursion is usually slower what is the technical reason for ever using it over for loop iteration?
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How to tell Eclipse Workspace?
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For me it work to choose File->Switch Workspace->Other... and it shows the name of current workspace.
I tried to confirm
"Actually, this shows the last workspace that was closed, not the current workspace. If you are opening and closing several, this is not dependable."
a...
Find and replace string values in list
... Performing a comparison between this list comprehension method and the map method (posted by @Anthony Kong), this list method was roughly 2x faster. Also it allowed for inserting multiple replacements into the same call, e.g. resname = [name.replace('DA', 'ADE').replace('DC', 'CYT').repl...