大约有 10,000 项符合查询结果（耗时：0.0137秒） [XML]
Add unique constraint to combination of two columns
...
GO
-- succeeds:
INSERT dbo.Person(Name, Active, PersonNumber)
VALUES(N'foo', 1, 22);
GO
-- succeeds:
INSERT dbo.Person(Name, Active, PersonNumber)
VALUES(N'foo', 0, 22);
GO
-- fails:
INSERT dbo.Person(Name, Active, PersonNumber)
VALUES(N'foo', 1, 22);
GO
Data in the table after all of th...
Why do you have to link the math library in C?
... so your "stdmath" remark doesn't make sense.
– Fred Foo
Nov 14 '11 at 9:36
@FredFoo The types and interfaces were sta...
RegEx match open tags except XHTML self-contained tags
...ing details than an XML parser can silently ignore. Switching between &foo; encodings and CDATA sections? Using an HTML minifier to remove all whitespace in your document that the browser doesn't render? An XML parser won't care, and neither will a well-written XPath statement. A regex-based "pa...
How can I exclude directories from grep -R?
...busybox or GNU version older than 2.5.
Use find, for excluding directories foo and bar :
find /dir \( -name foo -prune \) -o \( -name bar -prune \) -o -name "*.sh" -print
Then combine find and the non-recursive use of grep, as a portable solution :
find /dir \( -name node_modules -prune \) -o -name...
How to replace a character by a newline in Vim
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In the syntax s/foo/bar, \r and \n have different meanings, depending on context.
Short:
For foo:
\r == "carriage return" (CR / ^M)
\n == matches "line feed" (LF) on Linux/Mac, and CRLF on Windows
For bar:
\r == produces LF on Linux/Mac, CR...
if (key in object) or if(object.hasOwnProperty(key)
...
@Lor: ({foo:"bar"}).hasOwnProperty("toString") vs "toString" in ({foo:"bar"})
– I Hate Lazy
Nov 29 '12 at 19:24
...
Conditional formatting based on another cell's value
...n
There are 2 users in the table, each with a defined color, respectively foo (blue) and bar (yellow).
We have to use the following conditional formatting rules, and apply both of them on the same range (D2:G3):
=AND($A2="foo", D$1>=$B2, D$1<=$C2)
=AND($A2="bar", D$1>=$B2, D$1<=$C2)
...
How do you write tests for the argparse portion of a python module? [closed]
...ss):
main([])
process.assert_call_once_with(a=None)
@mock.patch('foo.process')
def test_main_a(process):
main(['-a', '1'])
process.assert_call_once_with(a='1')
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improve thi...
Does reading an entire file leave the file handle open?
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@jgmjgm it's more reliable because with foo() as f: [...] is basically the same as f = foo(), f.__enter__(), [...] and f.__exit__() with exceptions handled, so that __exit__ is always called. So the file always gets closed.
– neingeist
...
Parsing query strings on Android
...ort org.eclipse.jetty.util.*;
URL url = new URL("www.example.com/index.php?foo=bar&bla=blub");
MultiMap<String> params = new MultiMap<String>();
UrlEncoded.decodeTo(url.getQuery(), params, "UTF-8");
assert params.getString("foo").equals("bar");
assert params.getString("bla").equals(...