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Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
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1. Introduction
Here's a way to approach this problem systematically: if you have an algorithm that plays hangman well, then you can take the difficulty of each word to be the number of wrong guesses that your program would take if guessing that word.
2. Aside on hangman strategy
There'...
CSS Selector “(A or B) and C”?
... syntax?
No. CSS' or operator (,) does not permit groupings. It's essentially the lowest-precedence logical operator in selectors, so you must use .a.c,.b.c.
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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...ll be faster.
ContainsKey uses the same check as TryGetValue, which internally refers to the actual entry location. The Item property actually has nearly identical code functionality as TryGetValue, except that it will throw an exception instead of returning false.
Using ContainsKey followed by t...
Node.js Error: Cannot find module express
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You need to install Express locally into the context of your application (node_modules folder):
$ npm install express
The reason for this is that applications always look in their local context for any dependencies. The global installatio...
Error: free(): invalid next size (fast):
... you have a memory error. You may be trying to free a pointer that wasn't allocated by malloc (or delete an object that wasn't created by new) or you may be trying to free/delete such an object more than once. You may be overflowing a buffer or otherwise writing to memory to which you shouldn't be...
Sending JWT token in the headers with Postman
...ator is giving me what looks like garbage characters. I assume this is actually information encrypted by the Token generator?
– Diode Dan
Jul 13 '14 at 17:55
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How can HTML5 “replace” Flash? [closed]
...endered, and the javascript code which manipulates the HTML and CSS dynamically.
Furthermore, HTML5 not only has the standard text elements, but also <canvas> on which 2d graphics can be drawn, and <video> elements which embeds the video (as the name suggests).
So, in a full-fledged ...
Which, if any, C++ compilers do tail-recursion optimization?
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All current mainstream compilers perform tail call optimisation fairly well (and have done for more than a decade), even for mutually recursive calls such as:
int bar(int, int);
int foo(int n, int acc) {
return (n == 0)...
Pandoc markdown page break
...nd the Lua filter below to get page breaks in many formats.
Pandoc parses all inputs into an internal document format. That format has no dedicated way to represent page breaks, but it is still possible to encode the information in other ways. One way is to use raw LaTeX \newpage. This works perfec...
How to stop a PowerShell script on the first error?
... exit code. Most follow the UNIX standard of 0 indicating success but not all do. Check out the CheckLastExitCode function in this blog post. You might find it useful.
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