大约有 47,000 项符合查询结果（耗时：0.0515秒） [XML]
How do I ZIP a file in C#, using no 3rd-party APIs?
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edited Mar 24 '11 at 13:03
adrianbanks
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a...
The maximum recursion 100 has been exhausted before statement completion
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250
Specify the maxrecursion option at the end of the query:
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from EmployeeTree
option (maxrecur...
Test if string is a number in Ruby on Rails
...shua Pinter
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answered Apr 14 '11 at 10:13
Jakob SJakob S
17.6k33 gold b...
Fade Effect on Link Hover?
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edited Feb 24 '15 at 7:05
answered May 15 '11 at 12:37
M...
Linux: is there a read or recv from socket with timeout?
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// LINUX
struct timeval tv;
tv.tv_sec = timeout_in_seconds;
tv.tv_usec = 0;
setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (const char*)&tv, sizeof tv);
// WINDOWS
DWORD timeout = timeout_in_seconds * 1000;
setsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, (const char*)&timeout, sizeof timeout);
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Turn off constraints temporarily (MS SQL)
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You can disable FK and CHECK constraints only in SQL 2005+. See ALTER TABLE
ALTER TABLE foo NOCHECK CONSTRAINT ALL
or
ALTER TABLE foo NOCHECK CONSTRAINT CK_foo_column
Primary keys and unique constraints can not be disabled, but this should be OK if I've understood you corr...
How are cookies passed in the HTTP protocol?
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302
The server sends the following in its response header to set a cookie field.
Set-Cookie:name=v...
How can I add a box-shadow on one side of an element?
...the box-shadow rule:
.myDiv
{
border: 1px solid #333;
width: 100px;
height: 100px;
box-shadow: 10px 0 5px -2px #888;
}
<div class="myDiv"></div>
The fourth property there -2px is the shadow spread, you can use it to change the spread of the shadow, making it a...
Regex exactly n OR m times
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answered Dec 14 '12 at 8:10
Mark ByersMark Byers
683k155155 gold badges14681468 silver badges13881388 bronze badges
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What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]
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207
It means "equal to or greater than in the last digit", so e.g. ~> 2.3 means
"equal to 2.3 or...