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JavaScript hashmap equivalent
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@jsc123: I'll look into that - for now you can get a dump of the repository at pikacode.com/mercurial.intuxication.org/js-hacks.tar.gz
– Christoph
Jul 30 '13 at 20:16
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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?
...AS j USING(userid)
JOIN useraccounts AS us USING(userid)
WHERE j.jobid = 123
This is completely ambiguous. I put a UserID column in both Companies and user tables and there's no complaint. What if the UserID column in companies is the ID of the last person to modify that row?
I'm serious, Can ...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
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I have the choice in between either having a bunch of mutexes or a single one for an object...
Why is “while ( !feof (file) )” always wrong?
...tespace. Using C++ iostreams, it goes like this:
std::string input = " 123 "; // example
std::istringstream iss(input);
int value;
if (iss >> value >> std::ws && iss.get() == EOF) {
consume(value);
} else {
// error, "input" is not parsable as an inte...
Printing 1 to 1000 without loop or conditionals
...108\n109\n110\n111\n112\n113\n114\n115\n116\n117\n118\n119\n120\n121\n122\n123\n124\n125\n126\n127\n128\n129\n130\n131\n132\n133\n134\n135\n136\n137\n138\n139\n140\n141\n142\n143\n144\n145\n146\n147\n148\n149\n150\n151\n152\n153\n154\n155\n156\n157\n158\n159\n160\n161\n162\n163\n164\n165\n166\n167\n...
How are virtual functions and vtable implemented?
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123
How are virtual functions implemented at a deep level?
From "Virtual Functions in C++":
W...
Why are regular expressions so controversial? [closed]
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Making Regexes Maintainable
A major advance toward demystify the patterns previously referred...
Separate REST JSON API server and client? [closed]
...r backend in order to enable a fast path to #2.
– Rhb123
Jun 8 '12 at 18:12
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Where does Java's String constant pool live, the heap or the stack?
...mple, if you init the following objects:
String s1 = "abc";
String s2 = "123";
String obj1 = new String("abc");
String obj2 = new String("def");
String obj3 = new String("456);
String literals s1 and s2 will go to string constant pool, objects obj1, obj2, obj3 to the heap. All of them, will be r...
Is volatile expensive?
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On Intel an un-contended volatile read is quite cheap. If we consider the following simple ca...