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reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
...ces:
"Reads and writes of the following
data types are atomic: bool, char,
byte, sbyte, short, ushort, uint, int,
float, and reference types."
So, you can write to the volatile reference without risk of getting a corrupted value.
You should of course be careful with how you decide which...
How do I determine the size of my array in C?
...eOf(int intArray[]);
void printLength(int intArray[]);
int main(int argc, char* argv[])
{
int array[] = { 0, 1, 2, 3, 4, 5, 6 };
printf("sizeof of array: %d\n", (int) sizeof(array));
printSizeOf(array);
printf("Length of array: %d\n", (int)( sizeof(array) / sizeof(array[0]) ));
...
Reading large text files with streams in C#
...w BufferedStream(fs))
using (StreamReader sr = new StreamReader(bs))
{
string line;
while ((line = sr.ReadLine()) != null)
{
}
}
March 2013 UPDATE
I recently wrote code for reading and processing (searching for text in) 1 GB-ish text files (much larger than the files involved he...
How to check in Javascript if one element is contained within another
...ich is why a double !! is often used to 'convert anything to boolean').
Extra:
The function's body/payload is so small that, depending on case (like when it is not used often and appears just once in the code), one could even omit the function (wrapping) and just use the while-loop:
var a=docum...
What is the difference between CHARACTER VARYING and VARCHAR in PostgreSQL?
... character varying is used without
length specifier, the type accepts
strings of any size. The latter is a
PostgreSQL extension.
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How to initialize array to 0 in C?
...an there are elements or members of an aggregate, or fewer characters in a string literal used to initialize an array of known size than there are elements in the array, the remainder of the aggregate shall be initialized implicitly the same as objects that have static storage duration
...
jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON
...properly escaped like \' ), jQuery fails to parse an otherwise valid JSON string. Here’s an example of what I mean ( done in Chrome’s console ):
...
Why can I access TypeScript private members when I shouldn't be able to?
... even detected outside of the containing class.
class Person {
#name: string
constructor(name: string) {
this.#name = name;
}
greet() {
console.log(`Hello, my name is ${this.#name}!`);
}
}
let jeremy = new Person("Jeremy Bearimy");
jeremy.#name
// ~~~~~
/...
Get list of passed arguments in Windows batch script (.bat)
...to a function %0 and also in %~0 contains the function name (or better the string that was used to call the function).
But with %~f0 you still can recall the filename.
@echo off
echo main %0, %~0, %~f0
call :myLabel+xyz
exit /b
:MYlabel
echo func %0, %~0, %~f0
exit /b
Output
main test.bat, test...
What are the differences between type() and isinstance()?
...omething else (using the argument "as if" it was of some other type).
basestring is, however, quite a special case—a builtin type that exists only to let you use isinstance (both str and unicode subclass basestring). Strings are sequences (you could loop over them, index them, slice them, ...), b...