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Why is quicksort better than mergesort?

...use many factors influence an algorithm’s runtime, and, when taking them all together, quicksort wins out. In particular, the often-quoted runtime of sorting algorithms refers to the number of comparisons or the number of swaps necessary to perform to sort the data. This is indeed a good measure ...
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Default string initialization: NULL or Empty? [closed]

... Distinguishing between NULL and empty is great when there is actually a difference between the two. There are many cases, though, where there is not a difference, and thus having two ways of representing the same thing is a liability. – Greg Smalter ...
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Remove carriage return in Unix

What is the simplest way to remove all the carriage returns \r from a file in Unix? 20 Answers ...
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Check if event is triggered by a human

...way to do this would be to pass in an additional parameter on the trigger call as per the documentation. $('.checkbox').change(function(e, isTriggered){ if (!isTriggered) { alert ('human'); } }); $('.checkbox').trigger('change', [true]); //doesn't alert Example: http://jsfiddle.net/wG2...
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GitHub - List commits by author

Is there any way on GitHub to list all commits made by a single author, in the browser (neither locally, e.g. via git log , nor via the API)? ...
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Metadata file … could not be found error when building projects

... Occasionally even this won't help, as noted by Nick above. In that case closing and restarting VS has always worked for me. YMMV. – philofinfinitejest Mar 14 '13 at 1:39 ...
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Unable to execute dex: method ID not in [0, 0xffff]: 65536

... Update 3 (11/3/2014) Google finally released official description. Update 2 (10/31/2014) Gradle plugin v0.14.0 for Android adds support for multi-dex. To enable, you just have to declare it in build.gradle: android { defaultConfig { ... ...
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Git merge two local branches

...ed to merge branchA with branchB and proceed my work in the branchA . All files are comitted in the branchA and branchB . ...
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Why do stacks typically grow downwards?

I know that in the architectures I'm personally familiar with (x86, 6502, etc), the stack typically grows downwards (i.e. every item pushed onto the stack results in a decremented SP, not an incremented one). ...
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Difference between partition key, composite key and clustering key in Cassandra?

... In a situation of COMPOSITE primary key, the "first part" of the key is called PARTITION KEY (in this example key_part_one is the partition key) and the second part of the key is the CLUSTERING KEY (in this example key_part_two) Please note that the both partition and clustering key can be made b...