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Why is C so fast, and why aren't other languages as fast or faster? [closed]
...real programmers" write in C, and that C is so much faster because it's "close to the machine." Leaving the former assertion for another post, what is special about C that allows it to be faster than other languages? Or put another way: what's to stop other languages from being able to compile down ...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
...cific character in a character set. CP1 is shorthand for CP1252 in the Microsoft sub-culture. Windows is the only platform that uses CP1252 indigenously as it is a hold-over from DOS days. Though it is very similar to ISO 8859-1, they are not the same. There are differences in mapped characters like...
Why aren't variable-length arrays part of the C++ standard?
...ry much in the last few years. When I read this question today I came across some C syntax which I wasn't familiar with.
...
javac is not recognized as an internal or external command, operable program or batch file [closed]
...H. Remove old Java paths.
Add the new Java path to PATH.
Edit JAVA_HOME.
Close and re-open console/IDE.
Welcome!
You have encountered one of the most notorious technical issues facing Java beginners: the 'xyz' is not recognized as an internal or external command... error message.
In a nutshell...
How do you use bcrypt for hashing passwords in PHP?
...RjrwAVXD98HNOgsNpDczlqm3Jq7KnEd1rVAGv3Fykk1a
// Usage 2:
$options = [
'cost' => 11
];
echo password_hash('rasmuslerdorf', PASSWORD_BCRYPT, $options)."\n";
// $2y$11$6DP.V0nO7YI3iSki4qog6OQI5eiO6Jnjsqg7vdnb.JgGIsxniOn4C
To verify a user provided password against an existing hash, you may use ...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
... I haven't touched ServicePointManager.DefaultConnectionLimit, and I'm disposing and re-creating everything (HttpClient and response) on each request. Do you have any idea what may be causing the connections to remain open, and deplete the ports?
– Iravanchi
Ju...
How do function pointers in C work?
...xt of some String class to be "hello".
By using function pointers, it is possible to emulate methods in C.
How is this accomplished?
The String class is actually a struct with a bunch of function pointers which act as a way to simulate methods. The following is a partial declaration of the String...
Android Studio Project Structure (v.s. Eclipse Project Structure)
...ts a
complete software solution.
Your finished product may be decomposed into a series of discrete,
isolated modules, but it's a project definition that brings them
together and ties them into a greater whole.
For Android, it means one project per app, and one module per library and per...
Would it be beneficial to begin using instancetype instead of id?
...
it's useful for convenience constructors mostly
– Catfish_Man
Feb 5 '13 at 19:38
5
...
Java's Virtual Machine and CLR
... / 2) is performed by pushing operands onto the "stack" and then popping those operands off the stack whenever an instruction (add, divide, etc) needs to consume those operands. Each instruction pushes its results back onto the stack.
It's a convenient way to implement a virtual machine, because pr...