大约有 40,000 项符合查询结果（耗时：0.0683秒） [XML]
C# Regex for Guid
I need to parse through a string and add single quotes around each Guid value. I was thinking I could use a Regex to do this but I'm not exactly a Regex guru.
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How can I decrease the size of Ratingbar?
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But there is a useless extra padding on the right! How to remove that?!
– Dr.jacky
Jan 15 '18 at 6:37
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Javascript replace with reference to matched group?
I have a string, such as hello _there_ . I'd like to replace the two underscores with <div> and </div> respectively, using JavaScript . The output would (therefore) look like hello <div>there</div> . The string might contain multiple pairs of underscores.
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JSON serialization of Google App Engine models
...rt datetime
import time
SIMPLE_TYPES = (int, long, float, bool, dict, basestring, list)
def to_dict(model):
output = {}
for key, prop in model.properties().iteritems():
value = getattr(model, key)
if value is None or isinstance(value, SIMPLE_TYPES):
output[key...
InputStream from a URL
...dles redirects and one can pass a variable number of HTTP headers asMap<String,String>. It also allows redirects from HTTP to HTTPS.
private InputStream urlToInputStream(URL url, Map<String, String> args) {
HttpURLConnection con = null;
InputStream inputStream = null;
try {...
How to sort an array by a date property
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Simplest Answer
array.sort(function(a,b){
// Turn your strings into dates, and then subtract them
// to get a value that is either negative, positive, or zero.
return new Date(b.date) - new Date(a.date);
});
More Generic Answer
array.sort(function(o1,o2){
if (sort_o1_bef...
What is the result of % in Python?
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Somewhat off topic, the % is also used in string formatting operations like %= to substitute values into a string:
>>> x = 'abc_%(key)s_'
>>> x %= {'key':'value'}
>>> x
'abc_value_'
Again, off topic, but it seems to be a little document...
get dictionary value by key
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It's as simple as this:
String xmlfile = Data_Array["XML_File"];
Note that if the dictionary doesn't have a key that equals "XML_File", that code will throw an exception. If you want to check first, you can use TryGetValue like this:
string xmlfi...
Get the data received in a Flask request
...nt to my Flask app. I've tried accessing request.data but it is an empty string. How do you access request data?
18 Answe...
How to have stored properties in Swift, the same way I had on Objective-C?
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@VyachaslavGerchicov [String]? is a struct, this is the same case as for Int, Bool. You could use NSArray to keep a collection of NSString instances.
– Wojciech Nagrodzki
Feb 14 '19 at 9:17
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