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What are the differences between segment trees, interval trees, binary indexed trees and range trees
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All these data structures are used for solving different problems:
Segment tree stores intervals, and optimized for "which of these intervals contains a given point" queries.
Interval tree stores intervals as well, but optimized for "which of these intervals ...
What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
... append is XML (fix by adding <!doctype html> to your injected HTML, or specifying the content type when fetching via XHR)
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Routing with Multiple Parameters using ASP.NET MVC
Our company is developing an API for our products and we are thinking about using ASP.NET MVC. While designing our API, we decided to use calls like the one below for the user to request information from the API in XML format:
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String Resource new line /n not possible?
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use a blackslash not a forwardslash. \n
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="title">Hello\nWorld!</string>
</resources>
Also, if you plan on using the string as HTML, you can use &l...
Intelligent way of removing items from a List while enumerating in C#
...emoveAll() method:
myList.RemoveAll(x => x.SomeProp == "SomeValue");
Or, if you need certain elements removed:
MyListType[] elems = new[] { elem1, elem2 };
myList.RemoveAll(x => elems.Contains(x));
This assume that your loop is solely intended for removal purposes, of course. If you do n...
Best practices with STDIN in Ruby?
... comes to input; it is a virtual file that gets all input from named files or all from STDIN.
ARGF.each_with_index do |line, idx|
print ARGF.filename, ":", idx, ";", line
end
# print all the lines in every file passed via command line that contains login
ARGF.each do |line|
puts line if li...
Rails DB Migration - How To Drop a Table?
...ty migration and then populate it with the code you need.
You can find information about how to accomplish different tasks in a migration here:
http://api.rubyonrails.org/classes/ActiveRecord/Migration.html
More specifically, you can see how to drop a table using the following approach:
drop_tab...
Software keyboard resizes background image on Android
... The problem is that scrolling is, when using adjustPan, not working... (if you have a ScrollView), and thats annoying...
– Ted
Jan 13 '13 at 13:36
4
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Cloning an Object in Node.js
...t comes with very similar built-in functionality through Object.assign().
Original answer::
For a shallow copy, use Node's built-in util._extend() function.
var extend = require('util')._extend;
var obj1 = {x: 5, y:5};
var obj2 = extend({}, obj1);
obj2.x = 6;
console.log(obj1.x); // still logs 5
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How can I search sub-folders using glob.glob module?
...xt', recursive=True)
When recursive is set, ** followed by a path separator matches 0 or more subdirectories.
In earlier Python versions, glob.glob() cannot list files in subdirectories recursively.
In that case I'd use os.walk() combined with fnmatch.filter() instead:
import os
import fnmatch...