I have a form select statement, like this: = f.select :country_id, @countries.map{ |c| [c.name, c.id] } Which results in this code: ... <option value="1">Andorra</option> <option value="2">Argentina</option> ... But I want to add a custom HTML attribute to my options, like this: ... <option value="1" currency_code="XXX">Andorra</option> <option value="2" currency_code="YYY">Argentina</option> ...
I've searched over this topic but found very few details which were helpful. With these details I've tried to cook some code as follows. Note: Please compare the details shared in this post with other posts before marking this as DUPLICATE, and not just by the subject. - (NSArray *)getDataCountersForType:(int)type { BOOL success; struct ifaddrs *addrs = nil; const struct ifaddrs *cursor = nil; con
The following code is working on all the versions of android except the latest 4.2 import java.security.InvalidKeyException; import java.security.NoSuchAlgorithmException; import java.security.SecureRandom; import javax.crypto.BadPaddingException; import javax.crypto.Cipher; import javax.crypto.IllegalBlockSizeException; import javax.crypto.KeyGenerator; import javax.crypto.NoSuchPaddingException;
There are some data structures around that are really useful but are unknown to most programmers. Which ones are they? Everybody knows about linked lists, binary trees, and hashes, but what about Skip lists and Bloom filters for example. I would like to know more data structures that are not so common, but are worth knowing because they rely on great ideas and enrich a programmer's tool box. PS: I
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