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What's the difference between a single precision and double precision floating point operation?
What is the difference between a single precision floating point operation and double precision floating operation?
11 Answ...
Trying to login to RDP using AS3
I am trying to login to RDP using AS3 (air). I am doing ok, considering the lack of resources out there to understand the actual process.
...
C++ Object Instantiation
...en it goes out of scope, which is your main tool for tracking resource lifetime and avoiding leaks.
So in general, every time you need to allocate a resource, whether it's memory (by calling new), file handles, sockets or anything else, wrap it in a class where the constructor acquires the resource...
Any way to properly pretty-print ordered dictionaries?
I like the pprint module in Python. I use it a lot for testing and debugging. I frequently use the width option to make sure the output fits nicely within my terminal window.
...
C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
...代码copy过去编译和调试，我把代码列在下面：#include <stdio.h>
struct str{
int len;
char s[0];
};
struct foo {
struct str *a;
};
int main(int argc, char** argv) {
struct foo f={0};
if (f.a->s) {
 ...
What are POD types in C++?
I've come across this term POD-type a few times.
What does it mean?
9 Answers
9
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...s to retrieve. Is it faster to get all 600 of them in one query, or 1 at a time in 600 queries. Unless you're on MyISAM and/or you have a poorly normalized/poorly indexed schema (in which case the ORM isn't the problem), a properly tuned db will return the 600 rows in 2 ms, while returning the indiv...
What's the difference between event.stopPropagation and event.preventDefault?
...Parent() {
alert('div Clicked');
}
</script>
This time if you click on Link the function executeParent() will not
be called and you will not get the javascript alert div Clicked
this time. This is due to us having prevented the propagation to the
parent div using event...
Database design for audit logging
Every time I need to design a new database I spend quite some time
thinking on how I should set up the database schema to keep an audit log of
the changes.
...
Joining two lists together
...place, adding the second list to it (as if you called .Add(foo) a bunch of times). The Concat and Union extension methods don't change the original list. They lazily construct a new IEnumerable and won't even access the original list members unless necessary. As noted, Union removes duplicates while...