大约有 30,000 项符合查询结果（耗时：0.0499秒） [XML]
Re<em>mem>ove non-nu<em>mem>eric characters (except periods and co<em>mem><em>mem>as) fro<em>mem> a string
...
You could use preg_replace to swap out all non-nu<em>mem>eric characters and the co<em>mem><em>mem>a and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
...
Why doesn't Haskell's Prelude.read return a <em>Mem>aybe?
...
Edit: As of GHC 7.6, read<em>Mem>aybe is available in the Text.Read <em>mem>odule in the base package, along with readEither: http://hackage.haskell.org/packages/archive/base/latest/doc/ht<em>mem>l/Text-Read.ht<em>mem>l#v:read<em>Mem>aybe
Great question! The type of read itself isn...
instantiate a class fro<em>mem> a variable in PHP?
I know this question sounds rather vague so I will <em>mem>ake it <em>mem>ore clear with an exa<em>mem>ple:
5 Answers
...
printf for<em>mem>at specifiers for uint32_t and size_t
...
Sounds like you're expecting size_t to be the sa<em>mem>e as unsigned long (possibly 64 bits) when it's actually an unsigned int (32 bits). Try using %zu in both cases.
I'<em>mem> not entirely certain though.
s...
how to File.listFiles in alphabetical order?
...
The listFiles <em>mem>ethod, with or without a filter does not guarantee any order.
It does, however, return an array, which you can sort with Arrays.sort().
File[] files = X<em>Mem>LDirectory.listFiles(filter_x<em>mem>l_files);
Arrays.sort(files);
for(File ...
When should I use the assets as opposed to raw resources in Android?
I'<em>mem> in the <em>mem>id of <em>mem>y Android studies, and I just covered the Assets and Raw resources. I'<em>mem> trying to understand the reason for using Raw resources vs. Assets.
...
Display string as ht<em>mem>l in asp.net <em>mem>vc view
I have a controller which generate string containing ht<em>mem>l <em>mem>arkups.Now when I a<em>mem> displaying it on views, it is displayed as si<em>mem>ple string containing all tags.
I tried to use Ht<em>mem>l helper to encode/decode to display it properly, but it is not working.
...
Difference between static STATIC_URL and STATIC_ROOT on Django
I a<em>mem> confused by static root and want to clarify things.
3 Answers
3
...
Python dict how to create key or append an ele<em>mem>ent to key?
I have an e<em>mem>pty dictionary. Na<em>mem>e: dict_x
It is to have keys of which values are lists.
5 Answers
...
What is the shortest way to pretty print a org.w3c.do<em>mem>.Docu<em>mem>ent to stdout?
What is the easiest way to pretty print (a.k.a. for<em>mem>atted) a org.w3c.do<em>mem>.Docu<em>mem>ent to stdout?
6 Answers
...