大约有 23,000 项符合查询结果（耗时：0.0273秒） [XML]
What is the usefulness of `enable_shared_from_this`?
...p == q);
assert(!(p < q || q < p)); // p and q must share ownership
}
The method f() returns a valid shared_ptr, even though it had no member instance. Note that you cannot simply do this:
class Y: public enable_shared_from_this<Y>
{
public:
shared_ptr<Y> f()
{
...
How do I remove the first characters of a specific column in a table?
... - 4) AS MyTrimmedColumn
Edit:
To explain, RIGHT takes 2 arguments - the string (or column) to operate on, and the number of characters to return (starting at the "right" side of the string). LEN returns the length of the column data, and we subtract four so that our RIGHT function leaves the lef...
Default filter in Django admin
... 'selected': self.value() == lookup,
'query_string': cl.get_query_string({
self.parameter_name: lookup,
}, []),
'display': title,
}
def queryset(self, request, queryset):
if self.value() in ('...
Are querystring parameters secure in HTTPS (HTTP + SSL)? [duplicate]
Do querystring parameters get encrypted in HTTPS when sent with a request?
4 Answers
4...
Is char signed or unsigned by default?
In the book "Complete Reference of C" it is mentioned that char is by default unsigned.
7 Answers
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What is the best way to tell if a character is a letter or number in Java without using regexes?
What is the best and/or easiest way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks.
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Maximum on http header values?
...ders size exceeds that limit.
Related question: How big can a user agent string get?
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How to do a recursive find/replace of a string with awk or sed?
...erfectly, but I'm curious why the escaping is only presented for the first string pattern.
– elrobis
Jul 5 at 16:12
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Which $_SERVER variables are safe?
...ocation, not usually a concern for web servers)
'REQUEST_METHOD' §
'QUERY_STRING'
'HTTP_ACCEPT'
'HTTP_ACCEPT_CHARSET'
'HTTP_ACCEPT_ENCODING'
'HTTP_ACCEPT_LANGUAGE'
'HTTP_CONNECTION'
'HTTP_REFERER'
'HTTP_USER_AGENT'
'AUTH_TYPE' ‖
'PHP_AUTH_DIGEST' ‖
'PHP_AUTH_USER' ‖
'PHP_AUTH_PW' ‖
'PATH_IN...
How to wait in a batch script? [duplicate]
I am trying to write a batch script and trying to wait 10 seconds between 2 function calls. The command:
6 Answers
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