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How do I print to the debug output window in a Win32 app?

...you can use the L prefix: OutputDebugStringW(L"My output string."); Normally you will use the macro version together with the _T macro like this: OutputDebugString(_T("My output string.")); If you project is configured to build for UNICODE it will expand into: OutputDebugStringW(L"My output s...
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How to validate IP address in Python? [duplicate]

...ings like "4" and "192.168" and silently pads the rest with zeros. Technically valid, I'm sure, but not quite what I expected. – krupan Nov 25 '08 at 23:58 6 ...
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Test if a variable is set in bash when using “set -o nounset”

... Nope, -, +, :+, and :- are all supported. The former detect whether the variable is set, and the latter detect whether it is set or empty. From man bash: "Omitting the colon results in a test only for a parameter that is unset." ...
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Removing duplicate values from a PowerShell array

...ay that only had a count of 1. It was not clear if this is what the OP actually wanted however I was unable to find an example of this solution online so here it is. $array=@' Bananna Apple Carrot Pear Apricot Pear Bananna '@ -split '\r\n' ($array | Group-Object -NoElement | ?{$_.count -eq 1}).Nam...
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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?

...0 +0000" GIT_COMMITTER_DATE="Thu, 01 Jan 1970 00:00:00 +0000" git commit --allow-empty -m 'Initial commit' Will give you: (See the tree SHA1?) You can even rebase your existing history on top of that empty commit (see "git: how to insert a commit as the first, shifting all the others?") In bo...
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?

...cle Database 11g Release 2 and above - by default, no, but an alternative called edition-based redefinition exists Older versions of Oracle - no; DDL causes an implicit commit SQL Server - yes Sybase Adaptive Server - yes DB2 - yes Informix - yes Firebird (Interbase) - yes SQLite also appears to h...
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Select first row in each GROUP BY group?

... On Oracle 9.2+ (not 8i+ as originally stated), SQL Server 2005+, PostgreSQL 8.4+, DB2, Firebird 3.0+, Teradata, Sybase, Vertica: WITH summary AS ( SELECT p.id, p.customer, p.total, ROW_NUMBER() OVER(PARTITION BY p.cus...
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How to convert an array into an object using stdClass() [duplicate]

..., 'varsta' => 25) ); If you want to see is this stdClass object just call this print_r($clasa); If you want to convert an array to object code will be $arr = array('a'=>'apple','b'=>'ball'); $arr = (object) $arr; You don't need to use stdClass. It will automatically converted to st...
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List of Java processes

How can I list all Java processes in bash? I need an command line. I know there is command ps but I don't know what parameters I need to use. ...
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How do I pass command-line arguments to a WinForms application?

...= "/lol"; args[3] = "nisp"; What could be easier? – Callum Rogers Jul 24 '09 at 19:22 cant believe i saw that 'string[...