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How do I find the number of arguments passed to a Bash script?
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The number of arguments is $#
Search for it on this page to learn more:
http://tldp.org/LDP/abs/html/internalvariables.html#ARGLIST
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Change how fast “title” attribute's tooltip appears
...no way. The title attribute is implemented in a browser dependent fashion. For example I remember differences between IE and FF when using \r\n inside it.
Mozilla's docs explain the limits and functionality well.
If you want customization you may take a look at third party plugins such as qTip2 w...
What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
...ou use EnumerateFiles, you can start enumerating the collection of names before the whole collection is returned; when you use GetFiles, you must wait for the whole array of names to be returned before you can access the array. Therefore, when you are working with many files and directories, Enumera...
How to pass parameters to a partial view in ASP.NET MVC?
... Well, tried that, but I'm getting The best overloaded method match for 'System.Web.WebPages.WebPageExecutingBase.Write(System.Web.WebPages.HelperResult)' has some invalid arguments error. How should I implement the controller method? Should it have input parameters?
– S...
Regex: Specify “space or start of string” and “space or end of string”
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You can use any of the following:
\b #A word break and will work for both spaces and end of lines.
(^|\s) #the | means or. () is a capturing group.
/\b(stackoverflow)\b/
Also, if you don't want to include the space in your match, you can use lookbehind/aheads.
(?<=\s|^) #...
How to customize the background/border colors of a grouped table view cell?
...ernImage:] initializer). But I'll leave the 2.0 version of the answer here for anyone that needs it…
It's harder than it really should be. Here's how I did this when I had to do it:
You need to set the UITableViewCell's backgroundView property to a custom UIView that draws the border and backg...
Backwards migration with Django South
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You need to figure out the number of the migration just before the one you want to roll back.
Your app should have a migrations directory, with files in it named like
0000_initial.py
0001_added_some_fields.py
0002_added_some_more_fields.py
0003_deleted_some_stuff.py
Normally, wh...
How do I decode a URL parameter using C#?
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@ogi Thanks for that! I didn't know it didn't fully work with just one call! I ran Uri.UnescapeDataString twice and got what I wanted!! :D
– C0NFUS3D
Dec 31 '13 at 2:28
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How to abandon a hg merge?
...mitted will be gone!
After that you should probably use some kind of code formatter tool to do the entire operation, or at least some find and replace with regular expressions. Something as simple as replacing what matches ^____ (use 4 spaces instead of underscores) with __ (2 spaces), repeated a f...
WAMP/XAMPP is responding very slow over localhost
I don't know what the problem is. WAMP was very slow, so I reformatted my computer and installed WAMP. Still, accessing localhost is very, very slow, and sometimes it doesn't even load at all. I even removed it and replaced it with XAMPP, but I still got the same result. What might possibly be the p...