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Static Classes In Java
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What good are static classes? A good use of a static class is in defining one-off, utility and/or library classes where instantiation would not make sense. A great example is the Math class that contains some mathematical constants such as PI and E and simply provides mathematical calculations. Req...
What is a serialVersionUID and why should I use it?
... believe you answered the "how?" rather than explaining the "why?". I, for one, do not understand why I aught bother with SerializableVersionUID.
– Ziggy
Jan 1 '09 at 7:27
372
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Java inner class and static nested class
...nested class in Java? Does design / implementation play a role in choosing one of these?
27 Answers
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Is there a better way to run a command N times in bash?
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for run in {1..10}
do
command
done
Or as a one-liner for those that want to copy and paste easily:
for run in {1..10}; do command; done
share
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impro...
MVC Razor view nested foreach's model
...l=>model.SomeProperty);
It looks like we have a little lambda, And if one were to guess the signature, one might think that the type for
this argument would simply be a Func<TModel, TProperty>, where TModel is the type of the view model and TProperty
is inferred as the type of the propert...
How to pass in password to pg_dump?
...m all in the script. If the password changes you only have to change it in one place (the script).
And I agree with Joshua, using pg_dump -Fc generates the most flexible export format and is already compressed. For more info see: pg_dump documentation
E.g.
# dump the database in custom-format ar...
How to delete a stash created with git stash create?
...vote correct answer specific to the second half of the title. That's a new one.
– dahlbyk
Sep 18 '13 at 3:19
10
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Run Command Prompt Commands
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Thank you, one more question. Is there a way to hide the the command prompt during this?
– user
Sep 24 '09 at 4:53
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Random number generation in C++11: how to generate, how does it work? [closed]
... determines the entire sequence of "random" numbers, so a) use a different one (e.g. taken from /dev/urandom) each time, and b) store the seed if you wish to recreate a sequence of random choices.
#include <random>
typedef std::mt19937 MyRNG; // the Mersenne Twister with a popular choice of...
I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
...git rebase -i <commit>^
That takes you to the commit just before the one you want to remove. The interactive editor will show you a list of all the commits back to that point. You can pick, squash, etc. In this case remove the line for the commit you want to erase and save the file. Rebase wil...