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Rails: What's a good way to validate links (URLs)?
...to do.
A regular expression can validate the format of the URL. But even a complex regular expression cannot ensure you are dealing with a valid URL.
For instance, if you take a simple regular expression, it will probably reject the following host
http://invalid##host.com
but it will allow
http://i...
How to install grunt and how to build script with it
... trying to install Grunt on Windows 7 64 bit. I have installed Grunt using commands
4 Answers
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Will Dispose() be called in a using statement with a null object?
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Yes, Dispose() is only called on non-null objects:
http://msdn.microsoft.com/en-us/library/yh598w02.aspx
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what is difference between success and .done() method of $.ajax
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Please find more detailed information from here: https://stackoverflow.com/a/14754681/1049184
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Git: Find the most recent common ancestor of two branches
How to find the most recent common ancestor of two Git branches?
4 Answers
4
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How can I sort generic list DESC and ASC?
... = li.OrderByDescending(i => i);
Without Linq
li.Sort((a, b) => a.CompareTo(b)); // ascending sort
li.Sort((a, b) => b.CompareTo(a)); // descending sort
Note that without Linq, the list itself is being sorted. With Linq, you're getting an ordered enumerable of the list but the list its...
What is the fastest method for selecting descendant elements in jQuery?
... parsed like method 4/5
Though, keep in mind that in some of these we are comparing apples to oranges as Method 5 looks at all children instead of first-level ones.
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Append to a file in Go
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@SridharRatnakumar: see another comment and man umask. With typical umask of 022, you'll get typical permissions: 0666 & ~022 = 0644 = rw-r--r--
– akavel
Oct 22 '13 at 19:52
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Git Gui: Perpetually getting “This repository currently has approximately 320 loose objects.”
...t gui' suggests in the accepted answer is overlooking the fact that Git is communicating a possible performance issue to you. This should be fixable by running this command from the command line:
cd path/to/your/git/repo
git gc --aggressive
From the output of git help gc:
Runs a number of housekee...