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How can I calculate the difference between two dates?
...e number of seconds between two NSDate objects will always be time-zone-agnostic.
Furthermore, this documentation specifies that Cocoa's implementation of time does not account for leap seconds, so if you require such accuracy, you will need to roll your own implementation.
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Can't install RMagick 2.13.1. Can't find MagickWand.h.
...tps://superuser.com/questions/361435/i-have-compiled-imagemagick-on-my-centos-and-rmagick-wont-install
I exported the imagemagick path by adding
$ export PKG_CONFIG_PATH="/opt/local/lib/pkgconfig:$PKG_CONFIG_PATH"
to my ~/.bash_profile, sourcing the new profile, then running:
gem install rmagic...
Programmatically get own phone number in iOS
...r using it. Here's the response from Apple:
"For security reasons, iPhone OS restricts an application (including its preferences and data) to a unique location in the file system. This restriction is part of the security feature known as the application's "sandbox." The sandbox is a set of fine-gra...
Remote debugging Tomcat with Eclipse
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This is for those in Windows OS: set JPDA_OPTS=-agentlib:jdwp=transport=dt_socket,address=8000,server=y,suspend=n catalina.bat jpda start
– Lee Chee Kiam
Sep 26 '13 at 9:44
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Determine file creation date in Java
...meUnit.MILLISECONDS));
System.out.println("File " + filePath.toString() + " created " +
creationDate.getDate() + "/" +
(creationDate.getMonth() + 1) + "/" +
(creationDate.getYear() + 1900));
}
}
}
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How do I check if a string contains another string in Objective-C?
..., 0} if the "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah";
if ([string containsString:@"bla"]) {
NSLog(@"string contains bla!");...
How to hide first section header in UITableView (grouped style)
...e design of table views using the grouped style changed considerably with iOS 7, I would like to hide (or remove) the first section header. So far I haven't managed to achieve it.
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Where does Vagrant download its .box files to?
...
As mentioned in the docs, boxes are stored at:
Mac OS X and Linux: ~/.vagrant.d/boxes
Windows: C:/Users/USERNAME/.vagrant.d/boxes
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MySQL Server has gone away when importing large sql file
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As stated here:
Two most common reasons (and fixes) for the MySQL server has gone away
(error 2006) are:
Server timed out and closed the connection. How to fix:
check that wait_timeout variable in your mysqld’s my.cnf configurat...
How to recursively find and list the latest modified files in a directory with subdirectories and ti
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On Mac OS X it's not GNU's stat so command fails. You have to brew install coreutils and use gstat instead of stat
– CharlesB
Mar 28 '13 at 10:56
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