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How to create an array of object literals in a loop?
...cessive iterations which could lead to infinity. Give this a watch youtube.com/watch?v=mHtdZgou0qU
– Peter Bailey
Aug 17 '09 at 20:32
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Algorithm to find top 10 search terms
... particular chapter is on a different problem. After checking, I instead recommend section 5.1.2 of Muthukrishnan's book, available online.
Heh, nice interview question.
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How to get RGB values from UIColor?
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const CGFloat *colors = CGColorGetComponents( curView.backgroundColor.CGColor );
These links provide further details:
UIColor Reference
CGColorGetComponents reference
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Fast and Lean PDF Viewer for iPhone / iPad / iOS - tips and hints?
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Where to learn about VS debugger 'magic names'
If you've ever used Reflector, you probably noticed that the C# compiler generates types, methods, fields, and local variables, that deserve 'special' display by the debugger. For instance, local variables beginning with 'CS$' are not displayed to the user. There are other special naming conventions...
How do I save a UIImage to a file?
..., YES);
NSString *filePath = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"Image.png"];
// Save image.
[UIImagePNGRepresentation(image) writeToFile:filePath atomically:YES];
Core Data has nothing to do with saving images to disk by the way.
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Make Bootstrap Popover Appear/Disappear on Hover instead of Click
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Checking for an empty field with MySQL
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I have same comment as Quassnoi's. I issue "select orig_id,hotline from normal_1952 where !(hotline > '')" and there's one record with null hotline but it doesn't match.I'm using MySQL 5.6
– Scott Chu
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...Rsyslog：
shell> cd /etc/yum.repos.d/
shell> wget http://rpms.adiscon.com/v8-stable/rsyslog.repo
shell> yum install rsyslog
安装完成后，我们可以查看一下到底都装了些什么东西：
shell> rpm -ql rsyslog
/etc/logrotate.d/syslog
/etc/pki/rsyslog
/etc/rc.d/init.d/rsys...