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What's the difference between `on` and `live` or `bind`?
... it. At each level, all event handlers have to be checked, this can add up fast, if you do deep imbrication (<body><div><div><div><div><table><table><tbody><tr><td><div><div><div><ul><li><button> etc etc ...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...able to your language of choice (just don't look at me when they're not as fast :)
Options
Low Memory (32-bit int, 32-bit machine)(from here):
unsigned int
reverse(register unsigned int x)
{
x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
x = (((x & 0xcccc...
What is the difference between re.search and re.match?
...he beginning of the string, or to match the entire string use match. It is faster. Otherwise use search.
The documentation has a specific section for match vs. search that also covers multiline strings:
Python offers two different primitive
operations based on regular
expressions: match che...
What is the fastest or most elegant way to compute a set difference using Javascript arrays?
Let A and B be two sets. I'm looking for really fast or elegant ways to compute the set difference ( A - B or A \B , depending on your preference) between them. The two sets are stored and manipulated as Javascript arrays, as the title says.
...
How to quickly clear a JavaScript Object?
...eting it or assigning it null, and create a new one later on.
There's no fast, easy to use way to clear a JScript object for reuse as if it were a new object — without creating a new one. Which means the short answer to your question is ‘No’, like jthompson says.
...
What does it mean that Javascript is a prototype based language?
...he objects which inherit from it.
Advantages
There may not be a hard and fast rule as to why prototypal inheritance is an advantageous form of code-reuse. Code reuse itself is advantageous, and prototypal inheritance is a sensible way of going about it. You might argue that prototypal inheritanc...
Real world use of JMS/message queues? [closed]
...ficant cost and logging (for debugging that usually logs a lot) must be as fast as possible.
– Marco Altieri
Jun 24 '18 at 16:38
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Difference between Property and Field in C# 3.0+
...ly long time to execute. Fields have no side effects and will always be as fast as can be expected for the given type.
Properties support different accessibility for getters/setters - fields do not (but fields can be made readonly)
When using reflection the properties and fields are treated as diff...
Best way to check if object exists in Entity Framework?
... could check for duplicates against the cached records which was extremely fast when compared to a LINQ query against the SQL database, and then write any genuinely new records to the database (as well as add them to the data cache, which I also sorted and trimmed to keep its length manageable).
No...
JavaScript: filter() for Objects
...o make for slower performance. Ed 3 compliant code runs more than twice as fast in most browsers.
– RobG
Feb 24 '17 at 23:17
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