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What's the difference between dynamic (C# 4) and var?
...ng are 100% identical:
var s = "abc";
Console.WriteLine(s.Length);
and
string s = "abc";
Console.WriteLine(s.Length);
All that happened was that the compiler figured out that s must be a string (from the initializer). In both cases, it knows (in the IL) that s.Length means the (instance) strin...
iterating over and removing from a map [duplicate]
...code sample to use the iterator in a for loop to remove the entry.
Map<String, String> map = new HashMap<String, String>() {
{
put("test", "test123");
put("test2", "test456");
}
};
for(Iterator<Map.Entry<String, String>> it = map.entrySet().iterator(); it.hasNex...
Using C# regular expressions to remove HTML tags
...express nested structures in a general way.
You could use the following.
String result = Regex.Replace(htmlDocument, @"<[^>]*>", String.Empty);
This will work for most cases, but there will be cases (for example CDATA containing angle brackets) where this will not work as expected.
...
数据挖掘——分词入门 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...词：
public class TestPositiveMatch {
public static void main(String[] args) {
String str = "我爱这个中华人民共和国大家庭";
List normalDict = new ArrayList();
normalDict.add("");
normalDict.add("爱");
normalDict.add("中华");...
Why does Javascript's regex.exec() not always return the same value? [duplicate]
...be a very useful feature. You can start the evaluation at any point in the string if desired, or if in a loop, you can stop it after a desired number of matches.
Here's a demonstration of a typical approach to using the regex in a loop. It takes advantage of the fact that exec returns null when t...
java.nio.file.Path for a classpath resource
...API to get a classpath resource (e.g. what I'd get from Class.getResource(String) ) as a java.nio.file.Path ? Ideally, I'd like to use the fancy new Path APIs with classpath resources.
...
Query-string encoding of a Javascript Object
Do you know a fast and simple way to encode a Javascript Object into a string that I can pass via a GET Request?
40 Ans...
Windows path in Python
...s
'C:\\mydir'
if you have problems with some names you can also try raw string literals:
r'C:\mydir'
however best practice is to use the os.path module functions that always select the correct configuration for your OS:
os.path.join(mydir, myfile)
From python 3.4 you can also use the pathli...
How do you access the matched groups in a JavaScript regular expression?
I want to match a portion of a string using a regular expression and then access that parenthesized substring:
22 Answers...
Purpose of Activator.CreateInstance with example?
...w:
class MyFancyObject
{
public int A { get;set;}
}
It lets you turn:
String ClassName = "MyFancyObject";
Into
MyFancyObject obj;
Using
obj = (MyFancyObject)Activator.CreateInstance("MyAssembly", ClassName))
and can then do stuff like:
obj.A = 100;
That's its purpose. It also has ma...