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How do I perform HTML decoding/encoding using Python/Django?
... as seen here. Also, you will still want to use the name2codepoint dict to convert each html identity to the actual char it represents.
– Marconius
Jul 9 '12 at 18:43
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How can I hash a password in Java?
... good algorithm to use for password hashing.
byte[] salt = new byte[16];
random.nextBytes(salt);
KeySpec spec = new PBEKeySpec("password".toCharArray(), salt, 65536, 128);
SecretKeyFactory f = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
byte[] hash = f.generateSecret(spec).getEncoded();
Bas...
How to assert two list contain the same elements in Python? [duplicate]
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If there are only unique values in list Converting them to set using set(l1)& set(2) & asserting using assertSetEqual(l1, l2) also helps.
– Abhijeet
Jun 25 '18 at 8:34
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Picking a random element from a set
How do I pick a random element from a set?
I'm particularly interested in picking a random element from a
HashSet or a LinkedHashSet, in Java.
Solutions for other languages are also welcome.
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Passing a method as a parameter in Ruby
...ng. It's worth noting that you call method( :<name> ) just once when converting your method name to a callable symbol. You can store that result in a variable or a parameter and keep passing it to child functions like any other variable from then on...
– user1115652
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How do I concatenate two strings in C?
...e that the function returns a block of heap allocated memory to the caller and passes on ownership of that memory. It is the responsibility of the caller to free the memory when it is no longer needed.
Call the function like this:
char* s = concat("derp", "herp");
// do things with s
free(s); // d...
Generating PDF files with JavaScript
I’m trying to convert XML data into PDF files from a web page and I was hoping I could do this entirely within JavaScript. I need to be able to draw text, images and simple shapes. I would love to be able to do this entirely in the browser.
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Kill child process when parent process is killed
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From this forum, credit to 'Josh'.
Application.Quit() and Process.Kill() are possible solutions, but have proven to be unreliable. When your main application dies, you are still left with child processes running. What we really want is for the child processes to die as soon as t...
Fastest way to reset every value of std::vector to 0
...'s the fastest way to reset every value of a std::vector<int> to 0 and keeping the vectors initial size ?
6 Answer...
Why would anyone use set instead of unordered_set?
C++0x is introducing unordered_set which is available in boost and many other places. What I understand is that unordered_set is hash table with O(1) lookup complexity. On the other hand, set is nothing but a tree with log(n) lookup complexity. Why on earth would anyone use set instead ...