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Unit testing code with a file system dependency

...reated -- and that you don't accidentally overwrite an existing file that happened to have the same filename as a temporary file you were using. Always use relative paths and not absolute paths. It would also be a good idea to chdir() into a temporary directory before running your test, and chdir(...
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AngularJS ng-if with multiple conditions

... HTML code <div ng-app> <div ng-controller='ctrl'> <div ng-class='whatClassIsIt(call.state[0])'>{{call.state[0]}}</div> <div ng-class='whatClassIsIt(call.state[1])'>{{call.state[1]}}</div> <div ng...
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How do I break a string over multiple lines?

...ut which will be rendered as a string with only a single carriage return appended to the end. http://symfony.com/doc/current/components/yaml/yaml_format.html You can use the "block chomping indicator" to eliminate the trailing line break, as follows: Key: >- This is a very long sentence ...
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How to pass object with NSNotificationCenter

I am trying to pass an object from my app delegate to a notification receiver in another class. 5 Answers ...
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Choose File Dialog [closed]

...vigate the filesystem, I don't know how you're going to graft it into your app in the first place. When he's already bent the "rules" and written the code for you, I sure hope you're not really going to hold the bounty ransom for that. – Blumer Sep 8 '10 at 17:...
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Why is the JVM stack-based and the Dalvik VM register-based?

...n't find a reference, but I think Sun decided for the stack-based bytecode approach because it makes it easy to run the JVM on an architecture with few registers (e.g. IA32). In Dalvik VM Internals from Google I/O 2008, the Dalvik creator Dan Bornstein gives the following arguments for choosing a r...
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Connect Java to a MySQL database

... The better way is to get a DataSource, either by looking one up that your app server container already configured for you: Context context = new InitialContext(); DataSource dataSource = (DataSource) context.lookup("java:comp/env/jdbc/myDB"); or instantiating and configuring one from your databa...
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MySQL Great Circle Distance (Haversine formula)

...0.0 miles of the lat/long point 42.81/-70.81 . When you build this into an app, that's where you put your own point and search radius. If you want to work in kilometers rather than miles, change 69 to 111.045 and change 3963.17 to 6378.10 in the query. Here's a detailed writeup. I hope it helps s...
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What is a PDB file?

... @Jon Does it help provide extra information to the user if the application crashes in use? (ie, does it help with the JIT window, rather than "This program needs to end, send a Windows Error Report") – Jared Harley Oct 10 '10 at 8:32 ...
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MySQL indexes - what are the best practices?

...agine you've got that CSV file loaded up in a very rudimentary spreadsheet application. All this spreadsheet does is display the data, and numbers the rows in sequential order. Now imagine that you need to find all the rows that have some value "M" in the third column. Given what you have availab...