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How do I get the path of a process in Unix / Linux
...swers were specific to linux.
If you need also unix, then you need this:
char * getExecPath (char * path,size_t dest_len, char * argv0)
{
char * baseName = NULL;
char * systemPath = NULL;
char * candidateDir = NULL;
/* the easiest case: we are in linux */
size_t buff_len;
...
When is CRC more appropriate to use than MD5/SHA1?
... inappropriate CRC hashes are for hash tables. It also explains the actual characteristics of the algorithm. The study also includes evaluation of other hash algorithms and is a good reference to keep.
The relevant conclusion on CRC for hashes:
CRC32 was never intended for hash table use. There...
Find the nth occurrence of substring in a string
... risk here of course is that the string to search for will contain special characters that will cause the regex to do something you didn't want. Using re.escape should solve this.
– Mark Byers
Dec 10 '09 at 21:43
...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
...e a SQL_Latin1_General_CI_AS. Rather, there is a Latin1_General_CI_AS. See SELECT * FROM fn_helpcollations() where name IN ('SQL_Latin1_General_CP1_CI_AS','Latin1_General_CI_AS','SQL_Latin1_General_CI_AS');. There are subtle differences regarding sorting and comparison as between the two collations....
C＋＋模板的特化 - C/C++ - 清泛网 - 专注C/C++及内核技术
... t1, const T t2)
{
return t1 < t2 ? t2 : t1;
}
template <>
const char* mymax(const char* t1,const char* t2)
{
return (strcmp(t1,t2) < 0) ? t2 : t1;
}
但是你不能这么搞：
template <>
bool mymax(const char* t1,const char* t2)
{
return (strcmp(t1,t2) < 0);
}
其实...
What is the list of valid @SuppressWarnings warning names in Java?
...ust go to the location where you have the warning and type Alt-Enter
(or select it in the Inspections list if you are seeing it there).
When the menu comes up, showing the warning and offering to fix it for
you (e.g. if the warning is "Method may be static" then "make static"
is IntellJ's of...
How to get the type of a variable in MATLAB?
...gt; a = 'Hi'
a =
Hi
>> class(b)
ans =
double
>> class(a)
ans =
char
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How to remove single character from a String
For accessing individual characters of a String in Java, we have String.charAt(2) . Is there any inbuilt function to remove an individual character of a String in java?
...
How to increment a pointer address and pointer's value?
... ----------
let me give an example, this might help;
char **str;
str = (char **)malloc(sizeof(char*)*2); // allocate mem for 2 char*
str[0]=(char *)malloc(sizeof(char)*10); // allocate mem for 10 char
str[1]=(char *)malloc(sizeof(char)*10); // allocate m...
#define macro for debug printing in C?
...
#include <stdarg.h>
#include <stdio.h>
void dbg_printf(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
You can also use this technique in C99, of course, but the __VA_ARGS__ technique is neater because it uses re...