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Vim: faster way to select blocks of text in visual mode
I have been using vim for quite some time and am aware that selecting blocks of text in visual mode is as simple as SHIFT + V and moving the arrow key up or down line-by-line until I reach the end of the block of text that I want selected.
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Adding Core Data to existing iPhone project
...o manually import the header in the files you need them.
So open up Xcode and look for some file like App_Prefix.pch, by default it's in the Other Sources group. After the UIKit import statement, add the following line:
#import <CoreData/CoreData.h>
And you should be ready to go.
Xcode 4
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Finding three elements in an array whose sum is closest to a given number
Given an array of integers, A 1 , A 2 , ..., A n , including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok.
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Is there a code obfuscator for PHP? [closed]
...HP? I've tried some but they don't work for very big projects. They can't handle variables that are included in one file and used in another, for instance.
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Can I store the .git folder outside the files I want tracked?
...e git as a backup system. So let's say I have a directory ./backup/myfiles and I want to back that up using git. To keep things clean I don't want to have a .git directory in the myfiles folder, so I thought I could create ./backup/git_repos/myfiles. From looking at the git docs, I've tried doing th...
favicon.png vs favicon.ico - why should I use PNG instead of ICO?
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Answer replaced (and turned Community Wiki) due to numerous updates and notes from various others in this thread:
ICOs and PNGs both allow full alpha channel based transparency
ICO allows for backwards compatibility to older browsers (e.g. ...
Count work days between two dates
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@greektreat It works fine. It's just that both @StartDate and @EndDate are included in the count. If you want Monday to Tuesday to count as 1 day, just remove the "+ 1" after the first DATEDIFF. Then you'll also get Fri->Sat=0, Fri->Sun=0, Fri->Mon=1.
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Xcode 4 hangs at “Attaching to (app name)”
I just upgraded to Xcode 4 and for some reason my app won't run in the simulator or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press run the program stops at "Attaching to...". There doesn't seem to be any other info to help with this problem either.
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Convert SQLITE SQL dump file to POSTGRESQL
...n POSTGRESQL. I just updated my local database with a huge amount of data and need to transfer a specific table to the production database.
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Understanding MongoDB BSON Document size limit
...r to 20k)
So except for truly bizarre
situations, it'll work great. And in
the exception case or spam, I really
don't think you'd want a 20mb object
anyway. I think capping trackbacks as
15k or so makes a lot of sense no
matter what for performance. Or at
least special casing if i...