大约有 47,000 项符合查询结果（耗时：0.0406秒） [XML]
Can you give a Django app a verbose name for use throughout the admin?
... the sense that it only effects what's shown to the user. It's the literal string used to name the table in the database, which requires a schema migration if you're changing an existing model.
– Cerin
Apr 11 '12 at 16:14
...
What is the best way to implement nested dictionaries?
...se objects? My autovivification object contains just pandas dataframes and string.
– jason
Feb 11 '19 at 14:39
@jason ...
How to round a number to significant figures in Python
...
%g in string formatting will format a float rounded to some number of significant figures. It will sometimes use 'e' scientific notation, so convert the rounded string back to a float then through %s string formatting.
>>&g...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...s changes the time to 8.5 seconds.
factorCount' is constantly applying two extra arguments that never change (number, sqrt). A worker/wrapper transformation gives us:
$ time ./so
842161320
real 0m7.954s
user 0m7.944s
sys 0m0.004s
That's right, 7.95 seconds. Consistently...
Clearing intent
...
doesn't the removeExtra() method take a String parameter ? like this getIntent().removeExtra("String");
– tony9099
Oct 17 '13 at 9:16
25
...
What's the canonical way to check for type in Python?
...you're using Python 2, you may actually want to use:
if isinstance(o, basestring):
because this will also catch Unicode strings (unicode is not a subclass of str; both str and unicode are subclasses of basestring). Note that basestring no longer exists in Python 3, where there's a strict separati...
Where/How to getIntent().getExtras() in an Android Fragment? [duplicate]
...
you can still use
String Item = getIntent().getExtras().getString("name");
in the fragment, you just need call getActivity() first:
String Item = getActivity().getIntent().getExtras().getString("name");
This saves you having to write som...
How to get Latitude and Longitude of the mobile device in android?
...s.Editor prefsEditor = locationpref.edit();
prefsEditor.putString("Longitude", Longitude + "");
prefsEditor.putString("Latitude", Latitude + "");
prefsEditor.commit();
System.out.println("SHARE PREFERENCE ME PUT KAR DIYA.");
...
Using numpy to build an array of all combinations of two arrays
...
There is bug in this implementation. For arrays of strings for example: arrays[0].dtype = "|S3" and arrays[1].dtype = "|S5". So there is a need in finding the longest string in input and use its type in out = np.zeros([n, len(arrays)], dtype=dtype)
– nor...
Replace multiple strings with multiple other strings
I'm trying to replace multiple words in a string with multiple other words. The string is "I have a cat, a dog, and a goat."
...