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How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
...truct the compiler to create code compatible with earlier Java versions.
For example, in order to generate class files compatible with Java 1.4, use the following command line:
javac -target 1.4 HelloWorld.java
With newer versions of the Java compiler you are likely to get a warning about the b...
Swift alert view with OK and Cancel: which button tapped?
...lert, animated: true, completion: nil)
As you can see the block handlers for the UIAlertAction handle the button presses. A great tutorial is here (although this tutorial is not written using swift):
http://hayageek.com/uialertcontroller-example-ios/
Swift 3 update:
let refreshAlert = UIAlertCo...
Recommended date format for REST GET API
What's the recommended timestamp format for a REST GET API like this:
5 Answers
5
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Trim trailing spaces in Xcode
Is there a way to force Xcode to trim trailing whitespaces when I save file?
7 Answers
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What is the difference between C, C99, ANSI C and GNU C?
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Everything before standardization is generally called "K&R C", after the famous book, with Dennis Ritchie, the inventor of the C language, as one of the authors. This was "the C language" from 1972-1989.
The first C standard was rele...
What are the downsides to using Dependency Injection? [closed]
...ou decide to implement the DI pattern)
DI containers or approaches that perform type resolving generally incur a slight runtime penalty (very negligible, but it's there)
Generally, the benefit of decoupling makes each task simpler to read and understand, but increases the complexity of orchestrati...
How to create a temporary directory?
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This is a OS X vs Linux thing. See this question for a version that works on both: unix.stackexchange.com/questions/30091/…
– jwhitlock
Jun 9 '14 at 19:25
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Why am I getting error for apple-touch-icon-precomposed.png
...rver. After that, the error should be gone.
I noticed lots of requests for apple-touch-icon-precomposed.png and apple-touch-icon.png in the logs that tried to load the images from the root directory of the site. I first thought it was a misconfiguration of the mobile theme and plugin, but found ...
MySQL Error 1215: Cannot add foreign key constraint
I am trying to forward engineer my new schema onto my db server, but I can't figure out why I am getting this error. I've tried to search for the answer here, but everything I've found has said to either set the db engine to Innodb or to make sure the keys I'm trying to use as a foreign key are pri...
Parsing HTML into NSAttributedText - how to set font?
I am trying to get a snippet of text that is formatted in html to display nicely on an iPhone in a UITableViewCell.
17 Answ...