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What's the difference between a file descriptor and file pointer?
...LE Structure returned by fopen
typedef struct
{
unsigned char *_ptr;
int _cnt;
unsigned char *_base;
unsigned char *_bufendp;
short _flag;
short _file;
int __stdioid;
char *__newbase;
#ifdef _THREAD_SAFE
...
How do I provide custom cast support for my class?
...c# but note that from that example, using the explicit method, if you do:
string name = "Test";
Role role = (Role) name;
Then everything is fine; however, if you use:
object name = "Test";
Role role = (Role) name;
You will now get an InvalidCastException because string cannot be cast to Role, ...
Max length for client ip address [duplicate]
...er for details about IPv4-mapped IPv6 addresses. (The correct maximum IPv6 string length is 45 characters.)
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How to convert/parse from String to char in java?
How do I parse a String value to a char type, in Java?
14 Answers
14
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C read file line by line
... printf(line) is wrong! Do not do this. This opens your code to a string format vulnerability where you can freely read/write directly to memory via the stuff being printed. If I were to put %n/%p in the file and point the pointer back to an address in memory (in the string from the file) t...
Properties file in python (similar to Java Properties)
... Java or Py3, and maybe it works for simple key/values. But the syntax for string interpolation is different. This solution provides Python formatting, ie. %(string)s while (for e.g. Ant) I would use ${string}. pymotw.com/2/ConfigParser
– mpe
Dec 21 '16 at 18:...
How do I change bash history completion to complete what's already on the line?
...Readline library.
#
# Arrow keys in keypad mode
#
"\C-[OD" backward-char
"\C-[OC" forward-char
"\C-[OA" previous-history
"\C-[OB" next-history
#
# Arrow keys in ANSI mode
#
"\C-[[D" backward-char
"\C-[[C" forward-char
"\C-[[A" previous-history
"\C-[[B...
Is there a way to get rid of accents and convert a whole string to regular letters?
... getting rid of accents and making those letters regular apart from using String.replaceAll() method and replacing letters one by one?
Example:
...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...could look like this. From RMAppReceipt:
+ (NSData*)dataFromPKCS7Path:(NSString*)path
{
const char *cpath = [[path stringByStandardizingPath] fileSystemRepresentation];
FILE *fp = fopen(cpath, "rb");
if (!fp) return nil;
PKCS7 *p7 = d2i_PKCS7_fp(fp, NULL);
fclose(fp);
if ...
How to concatenate strings in django templates?
I want to concatenate a string in a Django template tag, like:
12 Answers
12
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