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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
I was going through the release notes for Xcode 4.4 and noticed this:
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test a file upload using rspec - rails
I want to test a file upload in rails, but am not sure how to do this.
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Difference between this and self in JavaScript
... of this in javascript, but there are also instances of self encountered in the wild, such as here
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How to replace spaces in file names using a bash script
Can anyone recommend a safe solution to recursively replace spaces with underscores in file and directory names starting from a given root directory? For example:
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John Carmack's Unusual Fast Inverse Square Root (Quake III)
John Carmack has a special function in the Quake III source code which calculates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why t...
What guarantees are there on the run-time complexity (Big-O) of LINQ methods?
I've recently started using LINQ quite a bit, and I haven't really seen any mention of run-time complexity for any of the LINQ methods. Obviously, there are many factors at play here, so let's restrict the discussion to the plain IEnumerable LINQ-to-Objects provider. Further, let's assume that any...
What is the difference between JDK dynamic proxy and CGLib?
In case of the Proxy Design Pattern , What is the difference between JDK's Dynamic Proxy and third party dynamic code generation API s such as CGLib ?
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Difference between Observer, Pub/Sub, and Data Binding
What is the difference between the Observer Pattern , Publish/Subscribe , and Data Binding ?
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Why does the C# compiler not fault code where a static method calls an instance method?
The following code has a static method, Foo() , calling an instance method, Bar() :
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Referencing a string in a string array resource with xml
I have preferences where you can enable/disable what items will show up on the menu. There are 17 items. I made a string array in values/arrays.xml with titles for each of these 17 items.
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