大约有 40,000 项符合查询结果（耗时：0.0760秒） [XML]
Calculate distance between two latitude-longitude points? (Haversine formula)
...a that the Wikipedia article uses? Is it more efficient and/or more numerically stable?
– musiphil
Dec 20 '12 at 3:47
...
How to change the output color of echo in Linux
... comment, if you are using the echo command, be sure to use the -e flag to allow backslash escapes.
# Continued from above example
echo -e "I ${RED}love${NC} Stack Overflow"
(don't add "\n" when using echo unless you want to add additional empty line)
...
How do I pass command-line arguments to a WinForms application?
...= "/lol"; args[3] = "nisp"; What could be easier?
– Callum Rogers
Jul 24 '09 at 19:22
cant believe i saw that 'string[...
Alias with variable in bash [duplicate]
...or that, rather than alias, and then exported it, like this:
function tail_ls { ls -l "$1" | tail; }
export -f tail_ls
Note -f switch to export: it tells it that you are exporting a function. Put this in your .bashrc and you are good to go.
...
Create Directory if it doesn't exist with Ruby
... ["foo/bar"]
Edit2: you do not have to use FileUtils, you may do system call (update from @mu is too short comment):
> system 'mkdir', '-p', 'foo/bar' # worse version: system 'mkdir -p "foo/bar"'
=> true
But that seems (at least to me) as worse approach as you are using external 'tool' wh...
What is pseudopolynomial time? How does it differ from polynomial time?
...ng TSP takes time O(n · n!), which isn't polynomial time.
These runtimes all refer to some variable n that tracks the size of the input. For example, in selection sort, n refers to the number of elements in the array, while in TSP n refers to the number of nodes in the graph. In order to standardi...
Shortcut to switch between design and text in Android Studio
... On windows it is ATL+SHIFT+RIGHT/LEFT
– vijay_t
Dec 18 '15 at 12:11
This answer shows the key command to searc...
OpenJDK availability for Windows OS [closed]
...After some research, I've noticed that you're working for Red Hat, but I really wish something a tad more official would show up first on Google, rather than an individual's effort. Perhaps, that ojdkbuild github page and group could also look a bit more official. I'll definitely create an issue tom...
Is there any haskell function to concatenate list with separator?
...gonkai Not sure what exactly you're referring to, but yes, these functions all allow arbitrary strings as both the separator and the elements. For example, intercalate "," ["some", "", "string"] = "some,,string" and intercalate "" ["foo", "bar"] = "foobar"
– Niklas B.
...
Explicitly set Id with Doctrine when using “AUTO” strategy
...
New solution works fine only when ALL entities have id before insert. When one entity has ID and another one does not - new solution is failing.
I use this function for import all my data:
function createEntity(\Doctrine\ORM\EntityManager $em, $entity, $id ...