大约有 23,000 项符合查询结果(耗时:0.0227秒) [XML]
(grep) Regex to match non-ASCII characters?
...
[^\x00-\x7F] and [^[:ascii:]] miss some control bytes so strings can be the better option sometimes. For example cat test.torrent | perl -pe 's/[^[:ascii:]]+/\n/g' will do odd things to your terminal, where as strings test.torrent will behave.
...
Is SQL or even TSQL Turing Complete?
...'t modify a database.
-- Brain Fuck interpreter in SQL
DECLARE @Code VARCHAR(MAX) = ', [>,] < [.<]'
DECLARE @Input VARCHAR(MAX) = '!dlroW olleH';
-- Creates a "BrainFuck" DataBase.
-- CREATE DATABASE BrainFuck;
-- Creates the Source code table
DECLARE @CodeTable TABLE (
[Id] I...
Use space as a delimiter with cut command
...pplications to specify the option and option-argument in the same argument string without intervening characters.
In other words: In this case, because -d's option-argument is mandatory, you can choose whether to specify the delimiter as:
(s) EITHER: a separate argument
(d) OR: as a value dire...
Read error response body in Java
...nges for encoding or other things. Works in current environment.)
private String dispatch(HttpURLConnection http) throws Exception {
try {
return readStream(http.getInputStream());
} catch(Exception ex) {
readAndThrowError(http);
return null; // <- never gets here...
Unable to load config info from /usr/local/ssl/openssl.cnf on Windows
...default_md = md5 # message digest algorithm
string_mask = nombstr # permitted characters
distinguished_name = req_distinguished_name
req_extensions = v3_req
[ req_distinguished_name ]
# Variable name Prompt strin...
What does “dereferencing” a pointer mean?
...his way C encodes text in memory is known as ASCIIZ.
For example, if the string literal happened to be at address 0x1000 and p a 32-bit pointer at 0x2000, the memory content would be:
Memory Address (hex) Variable name Contents
1000 'a' == 97 (ASCII)
1001...
Typedef function pointer?
...he original type, for instance
typedef int myinteger;
typedef char *mystring;
typedef void (*myfunc)();
using them like
myinteger i; // is equivalent to int i;
mystring s; // is the same as char *s;
myfunc f; // compile equally as void (*f)();
As you can see, you...
How to remove unused C/C++ symbols with GCC and ld?
...ting problem, so you'll probably need to err on the side of including some extra symbols at times. Which basically is what Ira says in his comments to the question. (BTW: "not necessary to the correct operation of the program" is a different definition of "unused" than how that term is used in the...
How to specify a port number in SQL Server connection string?
I use the following connection string in SQL Server Management Studio. It failed to connect:
4 Answers
...
Escape a string for a sed replace pattern
In my bash script I have an external (received from user) string, which I should use in sed pattern.
14 Answers
...
