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Open an IO stream from a local file or url
I know there are libs in other languages that can take a string that contains either a path to a local file or a url and open it as a readable IO stream.
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Use cases for NoSQL [closed]
...mically add/remove filters using php data structures and avoiding tedious
string concatenation to build up our queries. With this approach adding/removing filters dinamycally is as easy as adding / removing
elements from an array
Another great benefit comes from the fact that a solution like this ...
Split string with multiple delimiters in Python [duplicate]
... this uses some RegEx like things as mentioned above. So trying to split a string with . will split every single character. You need to escape it. \.
– marsh
Nov 14 '16 at 15:38
28...
HashSet vs. List performance
...ery very small to get an advantage from List<T>. For a list of short strings, the advantage went away after size 5, for objects after size 20.
1 item LIST strs time: 617ms
1 item HASHSET strs time: 1332ms
2 item LIST strs time: 781ms
2 item HASHSET strs time: 1354ms
3 item LIST strs time: 9...
Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
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raw_input returns a string (a sequence of characters). In Python, multiplying a string and a float makes no defined meaning (while multiplying a string and an integer has a meaning: "AB" * 3 is "ABABAB"; how much is "L" * 3.14 ? Please do not re...
How to use stringstream to separate comma separated strings [duplicate]
...
#include <iostream>
#include <sstream>
std::string input = "abc,def,ghi";
std::istringstream ss(input);
std::string token;
while(std::getline(ss, token, ',')) {
std::cout << token << '\n';
}
abc
def
ghi
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All possible array initialization syntaxes
...re the current declaration and initialization methods for a simple array.
string[] array = new string[2]; // creates array of length 2, default values
string[] array = new string[] { "A", "B" }; // creates populated array of length 2
string[] array = { "A" , "B" }; // creates populated array of len...
How to use HTML Agility pack
... containing the html
htmlDoc.Load(filePath);
// Use: htmlDoc.LoadHtml(xmlString); to load from a string (was htmlDoc.LoadXML(xmlString)
// ParseErrors is an ArrayList containing any errors from the Load statement
if (htmlDoc.ParseErrors != null && htmlDoc.ParseErrors.Count() > 0)
{
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Use URI builder in Android or create URL with variables
... .appendQueryParameter("sort", "relevance")
.fragment("section-name");
String myUrl = builder.build().toString();
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builder for HashMap
...tor and let it copy content of map created via Map.of(..)
Map<Integer, String> map = new HashMap<>( Map.of(1,"a", 2,"b", 3,"c") );
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