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Convert NSData to String?
...lowing code works for me where pkey is a pointer to an EVP_PKEY:
unsigned char *buf, *pp;
int len = i2d_PrivateKey(pkey, NULL);
buf = OPENSSL_malloc(len);
pp = buf;
i2d_PrivateKey(pkey, &pp);
NSData* pkeyData = [NSData dataWithBytes:(const void *)buf length:len];
DLog(@"Private key in hex (%d...
Convert Unicode to ASCII without errors in Python
...ote that "windows-1252" is something I used as an example. I got this from chardet and it had 0.5 confidence that it is right! (well, as given with a 1-character-length string, what do you expect) You should change that to the encoding of the byte string returned from .urlopen().read() to what appli...
HTML Entity Decode [duplicate]
...ecifically to compensate for another IE8 bug.
– Greg Charles
Sep 10 '13 at 21:57
4
Careful with t...
How do I convert an integer to string as part of a PostgreSQL query?
...re with an int, cast the int to text:
SELECT * FROM table
WHERE myint::varchar(255) = mytext
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PHP random string generator
...ically, two problems:
$randstring is not in scope when you echo it.
The characters are not getting concatenated together in the loop.
Here's a code snippet with the corrections:
function generateRandomString($length = 10) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNO...
Delete all but the most recent X files in bash
... handle NUL-separated input, after first translating newlines to NUL (0x0) chars., which also passes (typically) all filenames at once (will also work with GNU xargs):
ls -tp | grep -v '/$' | tail -n +6 | tr '\n' '\0' | xargs -0 rm --
Explanation:
ls -tp prints the names of filesystem items sor...
Access-control-allow-origin with multiple domains
...r paths = new List<string>(AppSettings.whiteListDomainCors.Split(new char[] { ',' }));
foreach (var value in paths)
{
current.Add(value);
}
}
}
I found this guide online and it worked like a charm :
http://jnye.co/Posts/2032/dynamic-cors-origins-from-...
Easiest way to detect Internet connection on iOS?
...std.h>
#include<netdb.h>
Code:
-(BOOL)isNetworkAvailable
{
char *hostname;
struct hostent *hostinfo;
hostname = "google.com";
hostinfo = gethostbyname (hostname);
if (hostinfo == NULL){
NSLog(@"-> no connection!\n");
return NO;
}
else{
...
Postgresql SELECT if string contains
...ended consequences when those variables contain underscores (_) or percent characters (%). It may be necessary to escape these characters, for example with this function: CREATE OR REPLACE FUNCTION quote_for_like(text) RETURNS text LANGUAGE SQL IMMUTABLE AS $$ SELECT regexp_replace($1, '([\%_])', '\...
html (+css): denoting a preferred place for a line break
...
Works great - when it is important, that chars like "-" non break. Example: Perikles <span class="avoidwrap">(um&nbsp;500-429&nbsp;v.Chr.)</span>
– Sarah Trees
May 19 '15 at 17:37
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