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How to go back (ctrl+z) in vi/vim
...do the last modification. (And Ctrl+R to redo it).
Read more about it at: http://vim.wikia.com/wiki/Undo_and_Redo
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Intellij IDEA. Hide .iml files
... Types for OS X
Then add *.iml;*.idea; in the text box in the bottom:
http://blogs.jetbrains.com/idea/2011/04/intellij-idea-does-not-show-some-files-know-the-hiding-places/
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how do i remove a comma off the end of a string?
...
if(substr($str, -1, 1) == ',') {
$str = substr($str, 0, -1);
}
http://php.net/manual/en/function.substr.php
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Is there a MySQL command to convert a string to lowercase?
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Did you try looking it up? Google, manual...
http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_lower
mysql> SELECT LOWER('QUADRATICALLY');
-> 'quadratically'
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A simple example for someone who wants to understand Dynamic Programming [closed]
...is a decent next step from the Fibonacci sequence in terms of complexity.
http://en.wikipedia.org/wiki/Levenshtein_distance
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Is there a command to undo git init?
...nd try the same commands.
rd is an alternative form of the rmdir command. http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/rmdir.mspx?mfr=true
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Convert String[] to comma separated string in java
...Android developers are probably looking for TextUtils.join
Android docs: http://developer.android.com/reference/android/text/TextUtils.html
Code:
String[] name = {"amit", "rahul", "surya"};
TextUtils.join(",",name)
shar...
Whether a variable is undefined [duplicate]
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http://constc.blogspot.com/2008/07/undeclared-undefined-null-in-javascript.html
Depends on how specific you want the test to be. You could maybe get away with
if(page_name){ string += "&page_name=" + page_name; }
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How to copy files across computers using SSH and MAC OS X Terminal [closed]
... you may want to use a version control system like Subversion or Git. See http://xoa.petdance.com/How_to:_Keep_your_home_directory_in_Subversion
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C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...l, PublicKeyToken=null ConsoleApplication3.Student
延伸阅读： http://blogs.msdn.com/b/cbrumme/archive/2003/04/15/51326.aspx
原文如下：
We don't expose the managed size of objects because we want to reserve the ability to change the way we lay these things out. For example, on so...