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Validating IPv4 addresses with regexp
I've been trying to get an efficient regex for IPv4 validation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
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Looping through a hash, or using an array in PowerShell
I'm using this (simplified) chunk of code to extract a set of tables from SQL Server with BCP .
7 Answers
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Segue to another storyboard?
Is it possible to segue from one storyboard to another, or to embed a storyboard in a view controller in another storyboard? I need to place a UITabBarController in a UINavigationController , and I'd like to keep them nice and separate.
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Click outside menu to close in jquery
So I have a drop-down menu that shows on a click, as per business requirements. The menu becomes hidden again after you mouse away from it.
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Creating a copy of an object in C# [duplicate]
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Navigation Drawer (Google+ vs. YouTube)
Does anyone know how to implement a sliding menu like some of the top apps of today?
5 Answers
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What is the difference between #import and #include in Objective-C?
What are the differences between #import and #include in Objective-C and are there times where you should use one over the other? Is one deprecated?
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Volatile vs Static in Java
Is it correct to say that static means one copy of the value for all objects and volatile means one copy of the value for all threads?
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How do I drop table variables in SQL-Server? Should I even do this?
I have a table variable in a script (not a stored procedure). Two questions:
6 Answers
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Convert INT to VARCHAR SQL
I am using Sybase and I am doing a select which returns me a column called "iftype", but its type is int and I need to convert into varchar. When I try to do the select without the convert function I get this error:
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