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Python: How to create a unique file name?
... answered Jun 2 '10 at 21:13
Richard BarrellRichard Barrell
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...
How do I best silence a warning about unused variables?
...tion is more convenient, although less cleaner.
– cbuchart
Jul 17 '14 at 6:57
I think simpler is better, commenting ou...
Define: What is a HashSet?
...ontains and Remove.) HashSet also provides standard set operations such as union, intersection, and symmetric difference. Take a look here
There are different implementations of Sets. Some make insertion and lookup operations super fast by hashing elements. However, that means that the order in whi...
VS2005中SetUnhandledExceptionFilter函数应用 - C/C++ - 清泛网 - 专注C/C++及内核技术
... "SetUnhandledExceptionFilter");
if (addr)
{
unsigned char code[16];
int size = 0;
code[size++] = 0x33;
code[size++] = 0xC0;
code[size++] = 0xC2;
code[size++] = 0x04;
code[size++] = 0x00;
DWORD dwOld...
How to print third column to last column?
...e the same between all columns, but there have to be EXACTLY ONE delimiter character between columns. So if you are dealing with programs that align their output with delimiters, it is better to use awk.
– sknaumov
Aug 21 '12 at 12:40
...
Simple way to repeat a String in java
...e is the shortest version (Java 1.5+ required):
repeated = new String(new char[n]).replace("\0", s);
Where n is the number of times you want to repeat the string and s is the string to repeat.
No imports or libraries needed.
...
How do I assign an alias to a function name in C++?
...
typedef int (*printf_alias)(const char*, ...);
printf_alias holler = std::printf;
Should do you fine.
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What is the use of the %n format specifier in C?
...inted. The argument must be a pointer to a signed int, where the number of characters written so far is stored.
#include <stdio.h>
int main()
{
int val;
printf("blah %n blah\n", &val);
printf("val = %d\n", val);
return 0;
}
The previous code prints:
blah blah
val = 5
...
difference between variables inside and outside of __init__()
...
class meta(type):
def __new__(cls,name,bases,dicto):
# two chars missing in original of next line ...
if dicto['class_var'] == 'A':
print 'There'
class proxyclass(object):
class_var = 'A'
__metaclass__ = meta
...
...
...
What is your favorite C programming trick? [closed]
.... you could make a string "object" like this:
struct X {
int len;
char str[1];
};
int n = strlen("hello world");
struct X *string = malloc(sizeof(struct X) + n);
strcpy(string->str, "hello world");
string->len = n;
here, we've allocated a structure of type X on the heap that is the...