大约有 31,500 项符合查询结果（耗时：0.0612秒） [XML]
Java Swing revalidate() vs repaint()
...n where I often want to replace the contents of a JPanel. To do this, I'm calling removeAll() , then adding my new content, then calling revalidate() .
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Oracle SQL escape character (for a '&')
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the & is the default value for DEFINE, which allows you to use substitution variables. I like to turn it off using
SET DEFINE OFF
then you won't have to worry about escaping or CHR(38).
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What is an MDF file? [closed]
... See wikipedia. A database may also use secondary database file, which normally uses a .ndf extension.
As John S. indicates, these file extensions are purely convention - you can use whatever you want, although I can't think of a good reason to do that.
More info on MSDN here and in Beginning SQL ...
Strip double quotes from a string in .NET
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I think your first line would actually work but I think you need four quotation marks for a string containing a single one (in VB at least):
s = s.Replace("""", "")
for C# you'd have to escape the quotation mark using a backslash:
s = s.Replace("\"", "");...
Tools for creating Class Diagrams [closed]
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Experimenting it and it's really nice and clean! The login is pretty straight forward with g+ account. +1 for sure! :)
– Ian Medeiros
Apr 4 '13 at 18:25
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C#: Difference between List and Collection (CA1002, Do not expose generic lists) [duplicate]
... Just FYI, Collection<T> uses a List<T> instance internally.
– Zoltán Tamási
Sep 10 '15 at 18:17
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How to create new folder? [duplicate]
...xists(newpath):
os.makedirs(newpath)
If you're trying to make an installer: Windows Installer does a lot of work for you.
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How to iterate over a TreeMap? [duplicate]
I want to iterate over a TreeMap , and for all keys which have a particular value, I want them to be added to a new TreeMap . How can I do this?
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Referring to a table in LaTeX [closed]
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@Anton Yes! I did that just that, it resolved all my problems
– 3kstc
May 18 '18 at 12:27
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regular expression: match any word until first space
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while generally correct, I think the need for ^ depends on particular language implementations or regexp. for example in Python you'd use re.match for this task.
– SilentGhost
Sep 9 '09 at 15:51
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