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What is an AngularJS directive?

...see the clear definition of jQuery as an example)? A directive is essentially a function† that executes when the Angular compiler finds it in the DOM. The function(s) can do almost anything, which is why I think it is rather difficult to define what a directive is. Each directive has a name (l...
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How to do constructor chaining in C#

... base() For "why?": code reduction (always a good thing) necessary to call a non-default base-constructor, for example: SomeBaseType(int id) : base(id) {...} Note that you can also use object initializers in a similar way, though (without needing to write anything): SomeType x = new SomeTyp...
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Why does Maven warn me about encoding?

... ... </project> This approach is better than defining encoding manually for every plugin, cause all plugins having default values for encoding for example the maven-resources-plugin: encoding: The character encoding scheme to be applied when filtering resources. Type: java.lang.String Requ...
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Validate decimal numbers in JavaScript - IsNumeric()

...(I had to consider also exponential notation, etc.), a Number object, virtually anything could be passed to that function, I couldn't make any type assumptions, taking care of type coercion (eg. +true == 1; but true shouldn't be considered as "numeric"). I think is worth sharing this set of +30 un...
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Bash script to receive and repass quoted parameters

...at given the output you want, you don't need the extra level of quoting at all. I.E. just call the above script like: ./test.sh 1 2 "3 4" share | improve this answer | foll...
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Comparing arrays in JUnit assertions, concise built-in way?

...dResult, result ); If this method is not available, you may have accidentally imported the Assert class from junit.framework. share | improve this answer | follow ...
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When is CRC more appropriate to use than MD5/SHA1?

...from network interference, line noise, distortion, etc. CRC is computationally much less complex than MD5 or SHA1. Using a hash function like MD5 is probably overkill for random error detection. However, using CRC for any kind of security check would be much less secure than a more complex hashing ...
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What is the difference between float and double?

...i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the differences between them? ...
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How can I rename a database column in a Ruby on Rails migration?

...te of self.up, so "if you need or do something else or do nothing" isn't really recommended. Just do: rename_column :table_name, :new_column, :old_column – Luke Griffiths Aug 29 '11 at 15:21 ...
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How do I lock the orientation to portrait mode in a iPhone Web Application?

...elopment-for-the-iphone/ However... Apple's approach to this issue is to allow the developer to change the CSS based on the orientation change but not to prevent re-orientation completely. I found a similar question elsewhere: http://ask.metafilter.com/99784/How-can-I-lock-iPhone-orientation-in-M...