大约有 44,000 项符合查询结果（耗时：0.0622秒） [XML]
What is the best regular expression to check if a string is a valid URL?
How can I check if a given string is a valid URL address?
55 Answers
55
...
Django REST framework: non-model serializer
...ired calculations and returns its results in a tuple to the REST api view. If JSON and/or XML fits your needs, django-rest-framework will take care of the serialization for you.
You can skip steps 2 and 3 in this case, and just use one class for calculations and one for presentation to the API cons...
Is it possible to have SSL certificate for IP address, not domain name?
...ime per minute (Firefox DNS cache) and 1 time per 30 minutes for IE. This differs from TTL of DNS records. Also it takes about 20ms for me, depending on domain and how fast are NS servers (which are also to be resolved first :) ) I also want to avoid my lengthy cookies (my auth + Google Analytics co...
Convert a python dict to a string and back
...
If your dictionary isn't too big maybe str + eval can do the work:
dict1 = {'one':1, 'two':2, 'three': {'three.1': 3.1, 'three.2': 3.2 }}
str1 = str(dict1)
dict2 = eval(str1)
print dict1==dict2
You can use ast.literal_ev...
Convert Set to List without creating new List
...t);
EDIT: as respond to the edit of the question.
It is easy to see that if you want to have a Map with Lists as values, in order to have k different values, you need to create k different lists.
Thus: You cannot avoid creating these lists at all, the lists will have to be created.
Possible work ...
How to generate a number of most distinctive colors in R?
...ing a categorical dataset and want to use distinctive colors to represent different categories. Given a number n , how can I get n number of MOST distinctive colors in R? Thanks.
...
Objective-C pass block as parameter
...
Typedefs not only make the code easier to write, but significantly easier to read since block/function pointer syntax isn't the cleanest.
– pyj
Oct 18 '14 at 15:12
...
Best XML parser for Java [closed]
...les, rummage around looking at various elements and attributes, perhaps modify a few and write the XML back out again to disk (preferably with nice, indented formatting).
...
How can I access getSupportFragmentManager() in a fragment?
...:
FragmentManager fragManager = myContext.getSupportFragmentManager(); //If using fragments from support v4
or
FragmentManager fragManager = myContext.getFragmentManager();
You are done.
share
|
...
or (HTML5)
...<menu>'s type attribute is omitted or set to "toolbar". See the specification for the <li> element and the <menu> element.
– tomekwi
May 27 '15 at 7:31
...