大约有 33,000 项符合查询结果（耗时：0.0654秒） [XML]
Haskell: Lists, Arrays, Vectors, Sequences
... they are coinductive (other languages call these streams) so things like
ones :: [Integer]
ones = 1:ones
twos = map (+1) ones
tenTwos = take 10 twos
work wonderfully. Infinite data structures rock.
Lists in Haskell provide an interface much like iterators in imperative languages (because of ...
How do you fork your own repository on GitHub?
...
I don't think you can fork your own repo.
Clone it and push it to a new repo is good but you need to:
git clone https://github.com/userName/Repo New_Repo
cd New_Repo
git remote set-url origin https://github.com/userName/New_Repo
git remote add upstream https://github....
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
...
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...
Difference between Node object and Element object?
...generic name for any type of object in the DOM hierarchy. A node could be one of the built-in DOM elements such as document or document.body, it could be an HTML tag specified in the HTML such as <input> or <p> or it could be a text node that is created by the system to hold a block of ...
Large-scale design in Haskell? [closed]
...ional data structures, operate on those structures, then once all work is done, render/flush/serialize out. Keeps most of your code pure
Testing
QuickCheck + Haskell Code Coverage, to ensure you are testing the things you can't check with types.
GHC + RTS is great for seeing if you're spending t...
Is there a better way to run a command N times in bash?
...
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
|
impro...
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...
Performance of Java matrix math libraries? [closed]
... was clear that the Java libraries didn't perform too well. However if someone has to code in Java, then the best option is JBLAS. Jama, Colt and Parallel Colt are not fast.
share
|
improve this a...
Why is the use of alloca() not considered good practice?
...ram behaviour is undefined.
Which isn't to say it should never be used. One of the OSS projects I work on uses it extensively, and as long as you're not abusing it (alloca'ing huge values), it's fine. Once you go past the "few hundred bytes" mark, it's time to use malloc and friends, instead. Y...