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Code for decoding/encoding a modified base64 URL
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Won't this add up to three '=' chars? It appears that there will only be 0, 1, or 2 of these.
– Kirk Liemohn
Aug 4 '09 at 17:10
1
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C library function to perform sort
...return 1;
if (f < s) return -1;
return 0;
}
int main(int argc, char* argv[])
{
int x[] = {4,5,2,3,1,0,9,8,6,7};
qsort (x, sizeof(x)/sizeof(*x), sizeof(*x), comp);
for (int i = 0 ; i < 10 ; i++)
printf ("%d ", x[i]);
return 0;
}
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Regular expressions in C: examples?
...based on this):
#include <regex.h>
regex_t regex;
int reti;
char msgbuf[100];
/* Compile regular expression */
reti = regcomp(&regex, "^a[[:alnum:]]", 0);
if (reti) {
fprintf(stderr, "Could not compile regex\n");
exit(1);
}
/* Execute regular expression */
reti = regexec...
Can I escape html special chars in javascript?
...lay a text to HTML by a javascript function. How can I escape html special chars in JS? Is there an API ?
15 Answers
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Converting string to title case
I have a string which contains words in a mixture of upper and lower case characters.
23 Answers
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Getting the encoding of a Postgres database
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A programmatic solution:
SELECT pg_encoding_to_char(encoding) FROM pg_database WHERE datname = 'yourdb';
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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;
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DBMS_OUTPUT.PUT_LINE not printing
...tion i want it to (firstName, lastName) and then the other values from the select query in a table below.
6 Answers
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How to ignore whitespace in a regular expression subject string?
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You can stick optional whitespace characters \s* in between every other character in your regex. Although granted, it will get a bit lengthy.
/cats/ -> /c\s*a\s*t\s*s/
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When do we have to use copy constructors?
...at is not sufficient. For example:
class Class {
public:
Class( const char* str );
~Class();
private:
char* stored;
};
Class::Class( const char* str )
{
stored = new char[srtlen( str ) + 1 ];
strcpy( stored, str );
}
Class::~Class()
{
delete[] stored;
}
in this case memb...