大约有 23,000 项符合查询结果（耗时：0.0195秒） [XML]
In Python, how do I split a string and keep the separators?
...e: Well, it's documented: docs.python.org/library/re.html#re.split: "Split string by the occurrences of pattern. If capturing parentheses are used in pattern, then the text of all groups in the pattern are also returned as part of the resulting list."
– Vinay Sajip
...
Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...SDictionary *r3 = @{@"bool" : @((BOOL)true)};
Then we convert it to JSON string before sending as
NSData *data = [NSJSONSerialization dataWithJSONObject:requestParams options:0 error:nil];
NSString *jsonString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
The result is
...
How do I remove an item from a stl vector with a certain value?
...which can be passed to container_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// .. put in some values ..
int int_to_remove = n;
vec.erase(std::remove(vec.begin(), vec.end(), int_to_remove), vec.end());
...
sed or awk: delete n lines following a pattern
.../,$d' out.txt but it gives error saying : sed: -e expression #1, char 24: extra characters after command Thanks in advance.
– N mol
Aug 24 '13 at 2:37
8
...
Is the sizeof(some pointer) always equal to four?
For example:
sizeof(char*) returns 4. As does int* , long long* , everything that I've tried. Are there any exceptions to this?
...
Repeat Character N Times
...
These days, the repeat string method is implemented almost everywhere. (It is not in Internet Explorer.) So unless you need to support older browsers, you can simply write:
"a".repeat(10)
Before repeat, we used this hack:
Array(11).join("a") //...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
...t mb_detect_encoding source code in your php distro (somewhere here: ext/mbstring/libmbfl/mbfl/mbfl_ident.c). This function does not work properly at all. For some encodings it even has "return true", lol. Others are in Ctrl+c Ctrl+v functions. That's because you can not detect encoding without some...
Create JSON-object the correct way
...work, I find the following approach more natural:
$obj = (object) [
'aString' => 'some string',
'anArray' => [ 1, 2, 3 ]
];
echo json_encode($obj);
share
|
improve this answer
...
Understanding typedefs for function pointers in C
... a numerical algorithm written in C a while ago. So, could you share your tips and thoughts on how to write good typedefs for pointers to functions (Do's and Do not's), as to why are they useful and how to understand others' work? Thanks!
...
Ignore whitespace in HTML [duplicate]
...
@Lee: Sorry, you got it wrong. (See IP's answer to Matts comment to your answer.)
– Guffa
Apr 13 '10 at 10:52
10
...