大约有 40,000 项符合查询结果（耗时：0.0529秒） [XML]
What is the purpose of the -m switch?
... to point out the exact .py file. 2) It is possible to do relative imports from the module that is run, without any workarounds, because its package will be loaded along the way. 3) Absolute imports will be based on your current directory, not the directory where the .py file is ('' is at the head o...
Find the similarity metric between two strings
...
There is a built in.
from difflib import SequenceMatcher
def similar(a, b):
return SequenceMatcher(None, a, b).ratio()
Using it:
>>> similar("Apple","Appel")
0.8
>>> similar("Apple","Mango")
0.0
...
Android : Check whether the phone is dual SIM
...
Update 23 March'15 :
Official multiple SIM API is available now from Android 5.1 onwards
Other possible option :
You can use Java reflection to get both IMEI numbers.
Using these IMEI numbers you can check whether the phone is a DUAL SIM or not.
Try following activity :
import ...
Parsing JSON from XmlHttpRequest.responseJSON
...irefox addon running with chrome privs, don't try to eval anything you get from an outside source. Instead, use JSON.parse (at least in FF 3.5 and later).
– Ben Combee
Dec 29 '09 at 6:25
...
What do numbers using 0x notation mean?
...a clever way that does not require '-' sign. So, it's basically converting from binary to hex, negative or positive.
– Shuvo Sarker
Mar 6 at 21:05
...
What is the documents directory (NSDocumentDirectory)?
...le.com/library/ios/technotes/tn2406/_index.html
The Apple sanctioned way (from the link above) is as follows:
// Returns the URL to the application's Documents directory.
- (NSURL *)applicationDocumentsDirectory
{
return [[[NSFileManager defaultManager] URLsForDirectory:NSDocumentDirectory inD...
Type hinting a collection of a specified type
... List "type" for the generic containers.
In other words, now you can do:
from typing import List
def my_func(l: List[int]):
pass
share
|
improve this answer
|
follow
...
Value of i for (i == -i && i != 0) to return true in Java
...ava)?
That's off-topic for Stack Exchange. But you could do it starting from the definition of Java integers (JLS 4.2)
"The integral types are byte, short, int, and long, whose values are 8-bit, 16-bit, 32-bit and 64-bit signed two's-complement integers ..."
and
"The values of the integ...
How to read a file in reverse order?
How to read a file in reverse order using python? I want to read a file from last line to first line.
21 Answers
...
What is the difference between substr and substring?
... first argument, which can be negative for substr (in which case it starts from the end), but not for substring. See JefferMC answer, but it has so many less votes that a lot of people might miss this important part.
– youen
Jul 26 '17 at 19:46
...