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Find the IP address of the client in an SSH session

... Check if there is an environment variable called: $SSH_CLIENT OR $SSH_CONNECTION (or any other environment variables) which gets set when the user logs in. Then process it using the user login script. Extract the IP: $ echo $SSH_CLIENT | awk '{ print $1}' 1.2...
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How do I do top 1 in Oracle?

...t. And Patrick, good point I think the syntax is incorrect on that. It really should be a keep over (dense_rank() last... ) – mcpeterson Aug 11 '10 at 16:10 2 ...
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How do you import a large MS SQL .sql file?

...e the syntax is: sqlcmd -S <server>\instance. Here is the list of all arguments you can pass sqlcmd: Sqlcmd [-U login id] [-P password] [-S server] [-H hostname] [-E trusted connection] [-d use database name] [-l login timeout] [-t query time...
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Watermark / hint text / placeholder TextBox

How can I put some text into a TextBox which is removed automatically when user types something in it? 33 Answers ...
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Newline in string attribute

...="Stuff on line1
Stuff on line 2"/> You can use any hexadecimally encoded value to represent a literal. In this case, I used the line feed (char 10). If you want to do "classic" vbCrLf, then you can use 
 By the way, note the syntax: It's the ampersand, a pound, the...
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is vs typeof

... @nawfal, I initially thought your point about the boxing penalty made sense for struct types, but given that we're testing an object obj; variable, isn't it already boxed when this tends to be tested? Is there a case where you need to test ...
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Saving and Reading Bitmaps/Images from Internal memory in Android

... } catch (Exception e) { e.printStackTrace(); } finally { try { fos.close(); } catch (IOException e) { e.printStackTrace(); } } return directory.getAbsolutePath(); } Explanation : 1.The D...
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SQLite error 'attempt to write a readonly database' during insert?

... Also, SELinux (if installed) must not be enforcing. Took me a day and a half to figure that one out. – Steve V. Dec 19 '10 at 8:31 ...
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Naming conventions for java methods that return boolean(No question mark)

...ee if one is required. In this case you should rethink what you are actually asking. Something like isSnapshotExpired is a much better name, and conveys what the method will tell you when it is called. Following a pattern like this can also help keep more of your functions pure and without side ...
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When do I use a dot, arrow, or double colon to refer to members of a class in C++?

...d for three different scenarios that are always well-defined. Knowing this allows you to immediately know quite a lot about a and b just by looking at a::b, a.b, or a->b, respectively, in any code you look at. a::b is only used if b is a member of the class (or namespace) a. That is, in this c...