大约有 40,000 项符合查询结果（耗时：0.0496秒） [XML]
Utilizing multi core for tar+gzip/bzip compression/decompression
I normally compress using tar zcvf and decompress using tar zxvf (using gzip due to habit).
6 Answers
...
Can you attach Amazon EBS to multiple instances?
... to get an EBS volume attached to more than one instance, it would be a _REALLY_BAD_IDEA_. To quote Kekoa, "this is like using a hard drive in two computers at once"
Why is this a bad idea? ...
The reason you can't attach a volume to more than one instance is that EBS provides a "block storage" a...
composer: How to find the exact version of a package?
...
I know it's an old question, but...
composer.phar show
Will show all the currently installed packages and their version information. (This was shown in previous versions of Composer only when using the now-deprecated -i option.)
To see more details, specify the name of the package as wel...
ViewPager and fragments — what's the right way to store fragment's state?
...agment will be placed. FragmentPagerAdapter.getItem(int position) is only called when a fragment for that position does not exist. After rotating, Android will notice that it already created/saved a fragment for this particular position and so it simply tries to reconnect with it with FragmentManage...
Git stash twice
...
You can get a list of all stashes with
git stash list
which will show you something like
stash@{0}: WIP on dev: 1f6f8bb Commit message A
stash@{1}: WIP on master: 50cf63b Commit message B
If you made two stashes, then just call git stash pop...
how to draw smooth curve through N points using javascript HTML5 canvas?
...he resulting line is not smooth. How can I produce a single curve between all the gathered points?
11 Answers
...
What's the advantage of a Java enum versus a class with public static final fields?
...ing to work more in Java. I expected to learn that enums in Java were basically equivalent to those in C# but apparently this is not the case. Initially I was excited to learn that Java enums could contain multiple pieces of data which seems very advantageous ( http://docs.oracle.com/javase/tutorial...
__init__ for unittest.TestCase
...
+1 I'd initialise the base class before calling any object method though.
– Joachim Isaksson
Jun 27 '13 at 21:25
...
Is Fortran easier to optimize than C for heavy calculations?
... that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
...
Check if a string is a date value
... is an easy way to check if a value is a valid date, any known date format allowed.
20 Answers
...